id int32 0 252k | repo stringlengths 7 55 | path stringlengths 4 127 | func_name stringlengths 1 88 | original_string stringlengths 75 19.8k | language stringclasses 1 value | code stringlengths 51 19.8k | code_tokens list | docstring stringlengths 3 17.3k | docstring_tokens list | sha stringlengths 40 40 | url stringlengths 87 242 |
|---|---|---|---|---|---|---|---|---|---|---|---|
246,000 | readbeyond/aeneas | aeneas/syncmap/fragmentlist.py | SyncMapFragmentList.has_zero_length_fragments | def has_zero_length_fragments(self, min_index=None, max_index=None):
"""
Return ``True`` if the list has at least one interval
with zero length withing ``min_index`` and ``max_index``.
If the latter are not specified, check all intervals.
:param int min_index: examine fragments with index greater than or equal to this index (i.e., included)
:param int max_index: examine fragments with index smaller than this index (i.e., excluded)
:raises ValueError: if ``min_index`` is negative or ``max_index``
is bigger than the current number of fragments
:rtype: bool
"""
min_index, max_index = self._check_min_max_indices(min_index, max_index)
zero = [i for i in range(min_index, max_index) if self[i].has_zero_length]
self.log([u"Fragments with zero length: %s", zero])
return (len(zero) > 0) | python | def has_zero_length_fragments(self, min_index=None, max_index=None):
min_index, max_index = self._check_min_max_indices(min_index, max_index)
zero = [i for i in range(min_index, max_index) if self[i].has_zero_length]
self.log([u"Fragments with zero length: %s", zero])
return (len(zero) > 0) | [
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If the latter are not specified, check all intervals.
:param int min_index: examine fragments with index greater than or equal to this index (i.e., included)
:param int max_index: examine fragments with index smaller than this index (i.e., excluded)
:raises ValueError: if ``min_index`` is negative or ``max_index``
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246,001 | readbeyond/aeneas | aeneas/syncmap/fragmentlist.py | SyncMapFragmentList.has_adjacent_fragments_only | def has_adjacent_fragments_only(self, min_index=None, max_index=None):
"""
Return ``True`` if the list contains only adjacent fragments,
that is, if it does not have gaps.
:param int min_index: examine fragments with index greater than or equal to this index (i.e., included)
:param int max_index: examine fragments with index smaller than this index (i.e., excluded)
:raises ValueError: if ``min_index`` is negative or ``max_index``
is bigger than the current number of fragments
:rtype: bool
"""
min_index, max_index = self._check_min_max_indices(min_index, max_index)
for i in range(min_index, max_index - 1):
current_interval = self[i].interval
next_interval = self[i + 1].interval
if not current_interval.is_adjacent_before(next_interval):
self.log(u"Found non adjacent fragments")
self.log([u" Index %d => %s", i, current_interval])
self.log([u" Index %d => %s", i + 1, next_interval])
return False
return True | python | def has_adjacent_fragments_only(self, min_index=None, max_index=None):
min_index, max_index = self._check_min_max_indices(min_index, max_index)
for i in range(min_index, max_index - 1):
current_interval = self[i].interval
next_interval = self[i + 1].interval
if not current_interval.is_adjacent_before(next_interval):
self.log(u"Found non adjacent fragments")
self.log([u" Index %d => %s", i, current_interval])
self.log([u" Index %d => %s", i + 1, next_interval])
return False
return True | [
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:param int min_index: examine fragments with index greater than or equal to this index (i.e., included)
:param int max_index: examine fragments with index smaller than this index (i.e., excluded)
:raises ValueError: if ``min_index`` is negative or ``max_index``
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246,002 | readbeyond/aeneas | aeneas/syncmap/fragmentlist.py | SyncMapFragmentList.offset | def offset(self, offset):
"""
Move all the intervals in the list by the given ``offset``.
:param offset: the shift to be applied
:type offset: :class:`~aeneas.exacttiming.TimeValue`
:raises TypeError: if ``offset`` is not an instance of ``TimeValue``
"""
self.log(u"Applying offset to all fragments...")
self.log([u" Offset %.3f", offset])
for fragment in self.fragments:
fragment.interval.offset(
offset=offset,
allow_negative=False,
min_begin_value=self.begin,
max_end_value=self.end
)
self.log(u"Applying offset to all fragments... done") | python | def offset(self, offset):
self.log(u"Applying offset to all fragments...")
self.log([u" Offset %.3f", offset])
for fragment in self.fragments:
fragment.interval.offset(
offset=offset,
allow_negative=False,
min_begin_value=self.begin,
max_end_value=self.end
)
self.log(u"Applying offset to all fragments... done") | [
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246,003 | readbeyond/aeneas | aeneas/syncmap/fragmentlist.py | SyncMapFragmentList.move_transition_point | def move_transition_point(self, fragment_index, value):
"""
Change the transition point between fragment ``fragment_index``
and the next fragment to the time value ``value``.
This method fails silently
(without changing the fragment list)
if at least one of the following conditions holds:
* ``fragment_index`` is negative
* ``fragment_index`` is the last or the second-to-last
* ``value`` is after the current end of the next fragment
* the current fragment and the next one are not adjacent and both proper intervals (not zero length)
The above conditions ensure that the move makes sense
and that it keeps the list satisfying the constraints.
:param int fragment_index: the fragment index whose end should be moved
:param value: the new transition point
:type value: :class:`~aeneas.exacttiming.TimeValue`
"""
self.log(u"Called move_transition_point with")
self.log([u" fragment_index %d", fragment_index])
self.log([u" value %.3f", value])
if (fragment_index < 0) or (fragment_index > (len(self) - 3)):
self.log(u"Bad fragment_index, returning")
return
current_interval = self[fragment_index].interval
next_interval = self[fragment_index + 1].interval
if value > next_interval.end:
self.log(u"Bad value, returning")
return
if not current_interval.is_non_zero_before_non_zero(next_interval):
self.log(u"Bad interval configuration, returning")
return
current_interval.end = value
next_interval.begin = value
self.log(u"Moved transition point") | python | def move_transition_point(self, fragment_index, value):
self.log(u"Called move_transition_point with")
self.log([u" fragment_index %d", fragment_index])
self.log([u" value %.3f", value])
if (fragment_index < 0) or (fragment_index > (len(self) - 3)):
self.log(u"Bad fragment_index, returning")
return
current_interval = self[fragment_index].interval
next_interval = self[fragment_index + 1].interval
if value > next_interval.end:
self.log(u"Bad value, returning")
return
if not current_interval.is_non_zero_before_non_zero(next_interval):
self.log(u"Bad interval configuration, returning")
return
current_interval.end = value
next_interval.begin = value
self.log(u"Moved transition point") | [
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:param int fragment_index: the fragment index whose end should be moved
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:type value: :class:`~aeneas.exacttiming.TimeValue` | [
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246,004 | readbeyond/aeneas | aeneas/syncmap/fragmentlist.py | SyncMapFragmentList.inject_long_nonspeech_fragments | def inject_long_nonspeech_fragments(self, pairs, replacement_string):
"""
Inject nonspeech fragments corresponding to the given intervals
in this fragment list.
It is assumed that ``pairs`` are consistent, e.g. they are produced
by ``fragments_ending_inside_nonspeech_intervals``.
:param list pairs: list of ``(TimeInterval, int)`` pairs,
each identifying a nonspeech interval and
the corresponding fragment index ending inside it
:param string replacement_string: the string to be applied to the nonspeech intervals
"""
self.log(u"Called inject_long_nonspeech_fragments")
# set the appropriate fragment text
if replacement_string in [None, gc.PPV_TASK_ADJUST_BOUNDARY_NONSPEECH_REMOVE]:
self.log(u" Remove long nonspeech")
lines = []
else:
self.log([u" Replace long nonspeech with '%s'", replacement_string])
lines = [replacement_string]
# first, make room for the nonspeech intervals
self.log(u" First pass: making room...")
for nsi, index in pairs:
self[index].interval.end = nsi.begin
self[index + 1].interval.begin = nsi.end
self.log(u" First pass: making room... done")
self.log(u" Second pass: append nonspeech intervals...")
for i, (nsi, index) in enumerate(pairs, 1):
identifier = u"n%06d" % i
self.add(SyncMapFragment(
text_fragment=TextFragment(
identifier=identifier,
language=None,
lines=lines,
filtered_lines=lines
),
interval=nsi,
fragment_type=SyncMapFragment.NONSPEECH
), sort=False)
self.log(u" Second pass: append nonspeech intervals... done")
self.log(u" Third pass: sorting...")
self.sort()
self.log(u" Third pass: sorting... done") | python | def inject_long_nonspeech_fragments(self, pairs, replacement_string):
self.log(u"Called inject_long_nonspeech_fragments")
# set the appropriate fragment text
if replacement_string in [None, gc.PPV_TASK_ADJUST_BOUNDARY_NONSPEECH_REMOVE]:
self.log(u" Remove long nonspeech")
lines = []
else:
self.log([u" Replace long nonspeech with '%s'", replacement_string])
lines = [replacement_string]
# first, make room for the nonspeech intervals
self.log(u" First pass: making room...")
for nsi, index in pairs:
self[index].interval.end = nsi.begin
self[index + 1].interval.begin = nsi.end
self.log(u" First pass: making room... done")
self.log(u" Second pass: append nonspeech intervals...")
for i, (nsi, index) in enumerate(pairs, 1):
identifier = u"n%06d" % i
self.add(SyncMapFragment(
text_fragment=TextFragment(
identifier=identifier,
language=None,
lines=lines,
filtered_lines=lines
),
interval=nsi,
fragment_type=SyncMapFragment.NONSPEECH
), sort=False)
self.log(u" Second pass: append nonspeech intervals... done")
self.log(u" Third pass: sorting...")
self.sort()
self.log(u" Third pass: sorting... done") | [
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246,005 | readbeyond/aeneas | aeneas/dtw.py | DTWAligner.compute_accumulated_cost_matrix | def compute_accumulated_cost_matrix(self):
"""
Compute the accumulated cost matrix, and return it.
Return ``None`` if the accumulated cost matrix cannot be computed
because one of the two waves is empty after masking (if requested).
:rtype: :class:`numpy.ndarray` (2D)
:raises: RuntimeError: if both the C extension and
the pure Python code did not succeed.
.. versionadded:: 1.2.0
"""
self._setup_dtw()
if self.dtw is None:
self.log(u"Inner self.dtw is None => returning None")
return None
self.log(u"Returning accumulated cost matrix")
return self.dtw.compute_accumulated_cost_matrix() | python | def compute_accumulated_cost_matrix(self):
self._setup_dtw()
if self.dtw is None:
self.log(u"Inner self.dtw is None => returning None")
return None
self.log(u"Returning accumulated cost matrix")
return self.dtw.compute_accumulated_cost_matrix() | [
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246,006 | readbeyond/aeneas | aeneas/dtw.py | DTWAligner.compute_path | def compute_path(self):
"""
Compute the min cost path between the two waves, and return it.
Return the computed path as a tuple with two elements,
each being a :class:`numpy.ndarray` (1D) of ``int`` indices: ::
([r_1, r_2, ..., r_k], [s_1, s_2, ..., s_k])
where ``r_i`` are the indices in the real wave
and ``s_i`` are the indices in the synthesized wave,
and ``k`` is the length of the min cost path.
Return ``None`` if the accumulated cost matrix cannot be computed
because one of the two waves is empty after masking (if requested).
:rtype: tuple (see above)
:raises: RuntimeError: if both the C extension and
the pure Python code did not succeed.
"""
self._setup_dtw()
if self.dtw is None:
self.log(u"Inner self.dtw is None => returning None")
return None
self.log(u"Computing path...")
wave_path = self.dtw.compute_path()
self.log(u"Computing path... done")
self.log(u"Translating path to full wave indices...")
real_indices = numpy.array([t[0] for t in wave_path])
synt_indices = numpy.array([t[1] for t in wave_path])
if self.rconf.mmn:
self.log(u"Translating real indices with masked_middle_map...")
real_indices = self.real_wave_mfcc.masked_middle_map[real_indices]
real_indices[0] = self.real_wave_mfcc.head_length
self.log(u"Translating real indices with masked_middle_map... done")
self.log(u"Translating synt indices with masked_middle_map...")
synt_indices = self.synt_wave_mfcc.masked_middle_map[synt_indices]
self.log(u"Translating synt indices with masked_middle_map... done")
else:
self.log(u"Translating real indices by adding head_length...")
real_indices += self.real_wave_mfcc.head_length
self.log(u"Translating real indices by adding head_length... done")
self.log(u"Nothing to do with synt indices")
self.log(u"Translating path to full wave indices... done")
return (real_indices, synt_indices) | python | def compute_path(self):
self._setup_dtw()
if self.dtw is None:
self.log(u"Inner self.dtw is None => returning None")
return None
self.log(u"Computing path...")
wave_path = self.dtw.compute_path()
self.log(u"Computing path... done")
self.log(u"Translating path to full wave indices...")
real_indices = numpy.array([t[0] for t in wave_path])
synt_indices = numpy.array([t[1] for t in wave_path])
if self.rconf.mmn:
self.log(u"Translating real indices with masked_middle_map...")
real_indices = self.real_wave_mfcc.masked_middle_map[real_indices]
real_indices[0] = self.real_wave_mfcc.head_length
self.log(u"Translating real indices with masked_middle_map... done")
self.log(u"Translating synt indices with masked_middle_map...")
synt_indices = self.synt_wave_mfcc.masked_middle_map[synt_indices]
self.log(u"Translating synt indices with masked_middle_map... done")
else:
self.log(u"Translating real indices by adding head_length...")
real_indices += self.real_wave_mfcc.head_length
self.log(u"Translating real indices by adding head_length... done")
self.log(u"Nothing to do with synt indices")
self.log(u"Translating path to full wave indices... done")
return (real_indices, synt_indices) | [
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246,007 | readbeyond/aeneas | aeneas/dtw.py | DTWAligner.compute_boundaries | def compute_boundaries(self, synt_anchors):
"""
Compute the min cost path between the two waves,
and return a list of boundary points,
representing the argmin values with respect to
the provided ``synt_anchors`` timings.
If ``synt_anchors`` has ``k`` elements,
the returned array will have ``k+1`` elements,
accounting for the tail fragment.
:param synt_anchors: the anchor time values (in seconds) of the synthesized fragments,
each representing the begin time in the synthesized wave
of the corresponding fragment
:type synt_anchors: list of :class:`~aeneas.exacttiming.TimeValue`
Return the list of boundary indices.
:rtype: :class:`numpy.ndarray` (1D)
"""
self._setup_dtw()
if self.dtw is None:
self.log(u"Inner self.dtw is None => returning artificial boundary indices")
begin = self.real_wave_mfcc.middle_begin
end = self.real_wave_mfcc.tail_begin
n = len(synt_anchors)
step = float(end - begin) / n
boundary_indices = [begin + int(i * step) for i in range(n)] + [end]
return numpy.array(boundary_indices)
self.log(u"Computing path...")
real_indices, synt_indices = self.compute_path()
self.log(u"Computing path... done")
self.log(u"Computing boundary indices...")
# both real_indices and synt_indices are w.r.t. the full wave
self.log([u"Fragments: %d", len(synt_anchors)])
self.log([u"Path length: %d", len(real_indices)])
# synt_anchors as in seconds, convert them in MFCC indices
# see also issue #102
mws = self.rconf.mws
sample_rate = self.rconf.sample_rate
samples_per_mws = mws * sample_rate
if samples_per_mws.is_integer:
anchor_indices = numpy.array([int(a[0] / mws) for a in synt_anchors])
else:
#
# NOTE this is not elegant, but it saves the day for the user
#
self.log_warn(u"The number of samples in each window shift is not an integer, time drift might occur.")
anchor_indices = numpy.array([(int(a[0] * sample_rate / mws) / sample_rate) for a in synt_anchors])
#
# right side sets the split point at the very beginning of "next" fragment
#
# NOTE clip() is needed since searchsorted() with side="right" might return
# an index == len(synt_indices) == len(real_indices)
# when the insertion point is past the last element of synt_indices
# causing the fancy indexing real_indices[...] below might fail
begin_indices = numpy.clip(numpy.searchsorted(synt_indices, anchor_indices, side="right"), 0, len(synt_indices) - 1)
# first split must occur at zero
begin_indices[0] = 0
#
# map onto real indices, obtaining "default" boundary indices
#
# NOTE since len(synt_indices) == len(real_indices)
# and because the numpy.clip() above, the fancy indexing is always valid
#
boundary_indices = numpy.append(real_indices[begin_indices], self.real_wave_mfcc.tail_begin)
self.log([u"Boundary indices: %d", len(boundary_indices)])
self.log(u"Computing boundary indices... done")
return boundary_indices | python | def compute_boundaries(self, synt_anchors):
self._setup_dtw()
if self.dtw is None:
self.log(u"Inner self.dtw is None => returning artificial boundary indices")
begin = self.real_wave_mfcc.middle_begin
end = self.real_wave_mfcc.tail_begin
n = len(synt_anchors)
step = float(end - begin) / n
boundary_indices = [begin + int(i * step) for i in range(n)] + [end]
return numpy.array(boundary_indices)
self.log(u"Computing path...")
real_indices, synt_indices = self.compute_path()
self.log(u"Computing path... done")
self.log(u"Computing boundary indices...")
# both real_indices and synt_indices are w.r.t. the full wave
self.log([u"Fragments: %d", len(synt_anchors)])
self.log([u"Path length: %d", len(real_indices)])
# synt_anchors as in seconds, convert them in MFCC indices
# see also issue #102
mws = self.rconf.mws
sample_rate = self.rconf.sample_rate
samples_per_mws = mws * sample_rate
if samples_per_mws.is_integer:
anchor_indices = numpy.array([int(a[0] / mws) for a in synt_anchors])
else:
#
# NOTE this is not elegant, but it saves the day for the user
#
self.log_warn(u"The number of samples in each window shift is not an integer, time drift might occur.")
anchor_indices = numpy.array([(int(a[0] * sample_rate / mws) / sample_rate) for a in synt_anchors])
#
# right side sets the split point at the very beginning of "next" fragment
#
# NOTE clip() is needed since searchsorted() with side="right" might return
# an index == len(synt_indices) == len(real_indices)
# when the insertion point is past the last element of synt_indices
# causing the fancy indexing real_indices[...] below might fail
begin_indices = numpy.clip(numpy.searchsorted(synt_indices, anchor_indices, side="right"), 0, len(synt_indices) - 1)
# first split must occur at zero
begin_indices[0] = 0
#
# map onto real indices, obtaining "default" boundary indices
#
# NOTE since len(synt_indices) == len(real_indices)
# and because the numpy.clip() above, the fancy indexing is always valid
#
boundary_indices = numpy.append(real_indices[begin_indices], self.real_wave_mfcc.tail_begin)
self.log([u"Boundary indices: %d", len(boundary_indices)])
self.log(u"Computing boundary indices... done")
return boundary_indices | [
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If ``synt_anchors`` has ``k`` elements,
the returned array will have ``k+1`` elements,
accounting for the tail fragment.
:param synt_anchors: the anchor time values (in seconds) of the synthesized fragments,
each representing the begin time in the synthesized wave
of the corresponding fragment
:type synt_anchors: list of :class:`~aeneas.exacttiming.TimeValue`
Return the list of boundary indices.
:rtype: :class:`numpy.ndarray` (1D) | [
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246,008 | readbeyond/aeneas | aeneas/dtw.py | DTWAligner._setup_dtw | def _setup_dtw(self):
"""
Set the DTW object up.
"""
# check if the DTW object has already been set up
if self.dtw is not None:
return
# check we have the AudioFileMFCC objects
if (self.real_wave_mfcc is None) or (self.real_wave_mfcc.middle_mfcc is None):
self.log_exc(u"The real wave MFCCs are not initialized", None, True, DTWAlignerNotInitialized)
if (self.synt_wave_mfcc is None) or (self.synt_wave_mfcc.middle_mfcc is None):
self.log_exc(u"The synt wave MFCCs are not initialized", None, True, DTWAlignerNotInitialized)
# setup
algorithm = self.rconf[RuntimeConfiguration.DTW_ALGORITHM]
delta = int(2 * self.rconf.dtw_margin / self.rconf[RuntimeConfiguration.MFCC_WINDOW_SHIFT])
mfcc2_length = self.synt_wave_mfcc.middle_length
self.log([u"Requested algorithm: '%s'", algorithm])
self.log([u"delta = %d", delta])
self.log([u"m = %d", mfcc2_length])
# check if delta is >= length of synt wave
if mfcc2_length <= delta:
self.log(u"We have mfcc2_length <= delta")
if (self.rconf[RuntimeConfiguration.C_EXTENSIONS]) and (gf.can_run_c_extension()):
# the C code can be run: since it is still faster, do not run EXACT
self.log(u"C extensions enabled and loaded: not selecting EXACT algorithm")
else:
self.log(u"Selecting EXACT algorithm")
algorithm = DTWAlgorithm.EXACT
# select mask here
if self.rconf.mmn:
self.log(u"Using masked MFCC")
real_mfcc = self.real_wave_mfcc.masked_middle_mfcc
synt_mfcc = self.synt_wave_mfcc.masked_middle_mfcc
else:
self.log(u"Using unmasked MFCC")
real_mfcc = self.real_wave_mfcc.middle_mfcc
synt_mfcc = self.synt_wave_mfcc.middle_mfcc
n = real_mfcc.shape[1]
m = synt_mfcc.shape[1]
self.log([u" Number of MFCC frames in real wave: %d", n])
self.log([u" Number of MFCC frames in synt wave: %d", m])
if (n == 0) or (m == 0):
self.log(u"Setting self.dtw to None")
self.dtw = None
else:
# set the selected algorithm
if algorithm == DTWAlgorithm.EXACT:
self.log(u"Computing with EXACT algo")
self.dtw = DTWExact(
m1=real_mfcc,
m2=synt_mfcc,
rconf=self.rconf,
logger=self.logger
)
else:
self.log(u"Computing with STRIPE algo")
self.dtw = DTWStripe(
m1=real_mfcc,
m2=synt_mfcc,
delta=delta,
rconf=self.rconf,
logger=self.logger
) | python | def _setup_dtw(self):
# check if the DTW object has already been set up
if self.dtw is not None:
return
# check we have the AudioFileMFCC objects
if (self.real_wave_mfcc is None) or (self.real_wave_mfcc.middle_mfcc is None):
self.log_exc(u"The real wave MFCCs are not initialized", None, True, DTWAlignerNotInitialized)
if (self.synt_wave_mfcc is None) or (self.synt_wave_mfcc.middle_mfcc is None):
self.log_exc(u"The synt wave MFCCs are not initialized", None, True, DTWAlignerNotInitialized)
# setup
algorithm = self.rconf[RuntimeConfiguration.DTW_ALGORITHM]
delta = int(2 * self.rconf.dtw_margin / self.rconf[RuntimeConfiguration.MFCC_WINDOW_SHIFT])
mfcc2_length = self.synt_wave_mfcc.middle_length
self.log([u"Requested algorithm: '%s'", algorithm])
self.log([u"delta = %d", delta])
self.log([u"m = %d", mfcc2_length])
# check if delta is >= length of synt wave
if mfcc2_length <= delta:
self.log(u"We have mfcc2_length <= delta")
if (self.rconf[RuntimeConfiguration.C_EXTENSIONS]) and (gf.can_run_c_extension()):
# the C code can be run: since it is still faster, do not run EXACT
self.log(u"C extensions enabled and loaded: not selecting EXACT algorithm")
else:
self.log(u"Selecting EXACT algorithm")
algorithm = DTWAlgorithm.EXACT
# select mask here
if self.rconf.mmn:
self.log(u"Using masked MFCC")
real_mfcc = self.real_wave_mfcc.masked_middle_mfcc
synt_mfcc = self.synt_wave_mfcc.masked_middle_mfcc
else:
self.log(u"Using unmasked MFCC")
real_mfcc = self.real_wave_mfcc.middle_mfcc
synt_mfcc = self.synt_wave_mfcc.middle_mfcc
n = real_mfcc.shape[1]
m = synt_mfcc.shape[1]
self.log([u" Number of MFCC frames in real wave: %d", n])
self.log([u" Number of MFCC frames in synt wave: %d", m])
if (n == 0) or (m == 0):
self.log(u"Setting self.dtw to None")
self.dtw = None
else:
# set the selected algorithm
if algorithm == DTWAlgorithm.EXACT:
self.log(u"Computing with EXACT algo")
self.dtw = DTWExact(
m1=real_mfcc,
m2=synt_mfcc,
rconf=self.rconf,
logger=self.logger
)
else:
self.log(u"Computing with STRIPE algo")
self.dtw = DTWStripe(
m1=real_mfcc,
m2=synt_mfcc,
delta=delta,
rconf=self.rconf,
logger=self.logger
) | [
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246,009 | readbeyond/aeneas | check_dependencies.py | check_import | def check_import():
"""
Try to import the aeneas package and return ``True`` if that fails.
"""
try:
import aeneas
print_success(u"aeneas OK")
return False
except ImportError:
print_error(u"aeneas ERROR")
print_info(u" Unable to load the aeneas Python package")
print_info(u" This error is probably caused by:")
print_info(u" A. you did not download/git-clone the aeneas package properly; or")
print_info(u" B. you did not install the required Python packages:")
print_info(u" 1. BeautifulSoup4")
print_info(u" 2. lxml")
print_info(u" 3. numpy")
except Exception as e:
print_error(e)
return True | python | def check_import():
try:
import aeneas
print_success(u"aeneas OK")
return False
except ImportError:
print_error(u"aeneas ERROR")
print_info(u" Unable to load the aeneas Python package")
print_info(u" This error is probably caused by:")
print_info(u" A. you did not download/git-clone the aeneas package properly; or")
print_info(u" B. you did not install the required Python packages:")
print_info(u" 1. BeautifulSoup4")
print_info(u" 2. lxml")
print_info(u" 3. numpy")
except Exception as e:
print_error(e)
return True | [
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246,010 | readbeyond/aeneas | check_dependencies.py | main | def main():
""" The entry point for this module """
# first, check we can import aeneas package, exiting on failure
if check_import():
sys.exit(1)
# import and run the built-in diagnostics
from aeneas.diagnostics import Diagnostics
errors, warnings, c_ext_warnings = Diagnostics.check_all()
if errors:
sys.exit(1)
if c_ext_warnings:
print_warning(u"All required dependencies are met but at least one Python C extension is not available")
print_warning(u"You can still run aeneas but it will be slower")
print_warning(u"Enjoy running aeneas!")
sys.exit(2)
else:
print_success(u"All required dependencies are met and all available Python C extensions are working")
print_success(u"Enjoy running aeneas!")
sys.exit(0) | python | def main():
# first, check we can import aeneas package, exiting on failure
if check_import():
sys.exit(1)
# import and run the built-in diagnostics
from aeneas.diagnostics import Diagnostics
errors, warnings, c_ext_warnings = Diagnostics.check_all()
if errors:
sys.exit(1)
if c_ext_warnings:
print_warning(u"All required dependencies are met but at least one Python C extension is not available")
print_warning(u"You can still run aeneas but it will be slower")
print_warning(u"Enjoy running aeneas!")
sys.exit(2)
else:
print_success(u"All required dependencies are met and all available Python C extensions are working")
print_success(u"Enjoy running aeneas!")
sys.exit(0) | [
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246,011 | readbeyond/aeneas | aeneas/tree.py | Tree.is_pleasant | def is_pleasant(self):
"""
Return ``True`` if all the leaves
in the subtree rooted at this node
are at the same level.
:rtype: bool
"""
levels = sorted([n.level for n in self.leaves])
return levels[0] == levels[-1] | python | def is_pleasant(self):
levels = sorted([n.level for n in self.leaves])
return levels[0] == levels[-1] | [
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246,012 | readbeyond/aeneas | aeneas/tree.py | Tree.add_child | def add_child(self, node, as_last=True):
"""
Add the given child to the current list of children.
The new child is appended as the last child if ``as_last``
is ``True``, or as the first child if ``as_last`` is ``False``.
This call updates the ``__parent`` and ``__level`` fields of ``node``.
:param node: the child node to be added
:type node: :class:`~aeneas.tree.Tree`
:param bool as_last: if ``True``, append the node as the last child;
if ``False``, append the node as the first child
:raises: TypeError if ``node`` is not an instance of :class:`~aeneas.tree.Tree`
"""
if not isinstance(node, Tree):
self.log_exc(u"node is not an instance of Tree", None, True, TypeError)
if as_last:
self.__children.append(node)
else:
self.__children = [node] + self.__children
node.__parent = self
new_height = 1 + self.level
for n in node.subtree:
n.__level += new_height | python | def add_child(self, node, as_last=True):
if not isinstance(node, Tree):
self.log_exc(u"node is not an instance of Tree", None, True, TypeError)
if as_last:
self.__children.append(node)
else:
self.__children = [node] + self.__children
node.__parent = self
new_height = 1 + self.level
for n in node.subtree:
n.__level += new_height | [
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246,013 | readbeyond/aeneas | aeneas/tree.py | Tree.remove_child | def remove_child(self, index):
"""
Remove the child at the given index
from the current list of children.
:param int index: the index of the child to be removed
"""
if index < 0:
index = index + len(self)
self.__children = self.__children[0:index] + self.__children[(index + 1):] | python | def remove_child(self, index):
if index < 0:
index = index + len(self)
self.__children = self.__children[0:index] + self.__children[(index + 1):] | [
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246,014 | readbeyond/aeneas | aeneas/tree.py | Tree.remove | def remove(self):
"""
Remove this node from the list of children of its current parent,
if the current parent is not ``None``, otherwise do nothing.
.. versionadded:: 1.7.0
"""
if self.parent is not None:
for i, child in enumerate(self.parent.children):
if id(child) == id(self):
self.parent.remove_child(i)
self.parent = None
break | python | def remove(self):
if self.parent is not None:
for i, child in enumerate(self.parent.children):
if id(child) == id(self):
self.parent.remove_child(i)
self.parent = None
break | [
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246,015 | readbeyond/aeneas | aeneas/tree.py | Tree.remove_children | def remove_children(self, reset_parent=True):
"""
Remove all the children of this node.
:param bool reset_parent: if ``True``, set to ``None`` the parent attribute
of the children
"""
if reset_parent:
for child in self.children:
child.parent = None
self.__children = [] | python | def remove_children(self, reset_parent=True):
if reset_parent:
for child in self.children:
child.parent = None
self.__children = [] | [
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246,016 | readbeyond/aeneas | aeneas/tree.py | Tree.leaves_not_empty | def leaves_not_empty(self):
"""
Return the list of leaves not empty
in the tree rooted at this node,
in DFS order.
:rtype: list of :class:`~aeneas.tree.Tree`
"""
return [n for n in self.dfs if ((n.is_leaf) and (not n.is_empty))] | python | def leaves_not_empty(self):
return [n for n in self.dfs if ((n.is_leaf) and (not n.is_empty))] | [
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246,017 | readbeyond/aeneas | aeneas/tree.py | Tree.height | def height(self):
"""
Return the height of the tree
rooted at this node,
that is, the difference between the level
of a deepest leaf and the level of this node.
Return ``1`` for a single-node tree,
``2`` for a two-levels tree, etc.
:rtype: int
"""
return max([n.level for n in self.subtree]) - self.level + 1 | python | def height(self):
return max([n.level for n in self.subtree]) - self.level + 1 | [
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Return ``1`` for a single-node tree,
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246,018 | readbeyond/aeneas | aeneas/tree.py | Tree.levels | def levels(self):
"""
Return a list of lists of nodes.
The outer list is indexed by the level.
Each inner list contains the nodes at that level,
in DFS order.
:rtype: list of lists of :class:`~aeneas.tree.Tree`
"""
ret = [[] for i in range(self.height)]
for node in self.subtree:
ret[node.level - self.level].append(node)
return ret | python | def levels(self):
ret = [[] for i in range(self.height)]
for node in self.subtree:
ret[node.level - self.level].append(node)
return ret | [
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246,019 | readbeyond/aeneas | aeneas/tree.py | Tree.level_at_index | def level_at_index(self, index):
"""
Return the list of nodes at level ``index``,
in DFS order.
:param int index: the index
:rtype: list of :class:`~aeneas.tree.Tree`
:raises: ValueError if the given ``index`` is not valid
"""
if not isinstance(index, int):
self.log_exc(u"Index is not an integer", None, True, TypeError)
levels = self.levels
if (index < 0) or (index >= len(levels)):
self.log_exc(u"The given level index '%d' is not valid" % (index), None, True, ValueError)
return self.levels[index] | python | def level_at_index(self, index):
if not isinstance(index, int):
self.log_exc(u"Index is not an integer", None, True, TypeError)
levels = self.levels
if (index < 0) or (index >= len(levels)):
self.log_exc(u"The given level index '%d' is not valid" % (index), None, True, ValueError)
return self.levels[index] | [
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246,020 | readbeyond/aeneas | aeneas/tree.py | Tree.ancestor | def ancestor(self, index):
"""
Return the ``index``-th ancestor.
The 0-th ancestor is the node itself,
the 1-th ancestor is its parent node,
etc.
:param int index: the number of levels to go up
:rtype: :class:`~aeneas.tree.Tree`
:raises: TypeError if ``index`` is not an int
:raises: ValueError if ``index`` is negative
"""
if not isinstance(index, int):
self.log_exc(u"index is not an integer", None, True, TypeError)
if index < 0:
self.log_exc(u"index cannot be negative", None, True, ValueError)
parent_node = self
for i in range(index):
if parent_node is None:
break
parent_node = parent_node.parent
return parent_node | python | def ancestor(self, index):
if not isinstance(index, int):
self.log_exc(u"index is not an integer", None, True, TypeError)
if index < 0:
self.log_exc(u"index cannot be negative", None, True, ValueError)
parent_node = self
for i in range(index):
if parent_node is None:
break
parent_node = parent_node.parent
return parent_node | [
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246,021 | readbeyond/aeneas | aeneas/tree.py | Tree.keep_levels | def keep_levels(self, level_indices):
"""
Rearrange the tree rooted at this node
to keep only the given levels.
The returned Tree will still be rooted
at the current node, i.e. this function
implicitly adds ``0`` to ``level_indices``.
If ``level_indices`` is an empty list,
only this node will be returned, with no children.
Elements of ``level_indices`` that do not
represent valid level indices (e.g., negative, or too large)
will be ignored and no error will be raised.
Important: this function modifies
the original tree in place!
:param list level_indices: the list of int, representing the levels to keep
:raises: TypeError if ``level_indices`` is not a list or if
it contains an element which is not an int
"""
if not isinstance(level_indices, list):
self.log_exc(u"level_indices is not an instance of list", None, True, TypeError)
for l in level_indices:
if not isinstance(l, int):
self.log_exc(u"level_indices contains an element not int", None, True, TypeError)
prev_levels = self.levels
level_indices = set(level_indices)
if 0 not in level_indices:
level_indices.add(0)
level_indices = level_indices & set(range(self.height))
level_indices = sorted(level_indices)[::-1]
# first, remove children
for l in level_indices:
for node in prev_levels[l]:
node.remove_children(reset_parent=False)
# then, connect to the right new parent
for i in range(len(level_indices) - 1):
l = level_indices[i]
for node in prev_levels[l]:
parent_node = node.ancestor(l - level_indices[i + 1])
parent_node.add_child(node) | python | def keep_levels(self, level_indices):
if not isinstance(level_indices, list):
self.log_exc(u"level_indices is not an instance of list", None, True, TypeError)
for l in level_indices:
if not isinstance(l, int):
self.log_exc(u"level_indices contains an element not int", None, True, TypeError)
prev_levels = self.levels
level_indices = set(level_indices)
if 0 not in level_indices:
level_indices.add(0)
level_indices = level_indices & set(range(self.height))
level_indices = sorted(level_indices)[::-1]
# first, remove children
for l in level_indices:
for node in prev_levels[l]:
node.remove_children(reset_parent=False)
# then, connect to the right new parent
for i in range(len(level_indices) - 1):
l = level_indices[i]
for node in prev_levels[l]:
parent_node = node.ancestor(l - level_indices[i + 1])
parent_node.add_child(node) | [
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246,022 | readbeyond/aeneas | thirdparty/mfcc.py | s2dctmat | def s2dctmat(nfilt,ncep,freqstep):
"""Return the 'legacy' not-quite-DCT matrix used by Sphinx"""
melcos = numpy.empty((ncep, nfilt), 'double')
for i in range(0,ncep):
freq = numpy.pi * float(i) / nfilt
melcos[i] = numpy.cos(freq * numpy.arange(0.5, float(nfilt)+0.5, 1.0, 'double'))
melcos[:,0] = melcos[:,0] * 0.5
return melcos | python | def s2dctmat(nfilt,ncep,freqstep):
melcos = numpy.empty((ncep, nfilt), 'double')
for i in range(0,ncep):
freq = numpy.pi * float(i) / nfilt
melcos[i] = numpy.cos(freq * numpy.arange(0.5, float(nfilt)+0.5, 1.0, 'double'))
melcos[:,0] = melcos[:,0] * 0.5
return melcos | [
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246,023 | readbeyond/aeneas | thirdparty/mfcc.py | logspec2s2mfc | def logspec2s2mfc(logspec, ncep=13):
"""Convert log-power-spectrum bins to MFCC using the 'legacy'
Sphinx transform"""
nframes, nfilt = logspec.shape
melcos = s2dctmat(nfilt, ncep, 1./nfilt)
return numpy.dot(logspec, melcos.T) / nfilt | python | def logspec2s2mfc(logspec, ncep=13):
nframes, nfilt = logspec.shape
melcos = s2dctmat(nfilt, ncep, 1./nfilt)
return numpy.dot(logspec, melcos.T) / nfilt | [
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246,024 | readbeyond/aeneas | thirdparty/mfcc.py | dct | def dct(input, K=13):
"""Convert log-power-spectrum to MFCC using the orthogonal DCT-II"""
nframes, N = input.shape
freqstep = numpy.pi / N
cosmat = dctmat(N,K,freqstep)
return numpy.dot(input, cosmat) * numpy.sqrt(2.0 / N) | python | def dct(input, K=13):
nframes, N = input.shape
freqstep = numpy.pi / N
cosmat = dctmat(N,K,freqstep)
return numpy.dot(input, cosmat) * numpy.sqrt(2.0 / N) | [
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246,025 | readbeyond/aeneas | thirdparty/mfcc.py | dct2 | def dct2(input, K=13):
"""Convert log-power-spectrum to MFCC using the normalized DCT-II"""
nframes, N = input.shape
freqstep = numpy.pi / N
cosmat = dctmat(N,K,freqstep,False)
return numpy.dot(input, cosmat) * (2.0 / N) | python | def dct2(input, K=13):
nframes, N = input.shape
freqstep = numpy.pi / N
cosmat = dctmat(N,K,freqstep,False)
return numpy.dot(input, cosmat) * (2.0 / N) | [
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246,026 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.read_properties | def read_properties(self):
"""
Populate this object by reading
the audio properties of the file at the given path.
Currently this function uses
:class:`~aeneas.ffprobewrapper.FFPROBEWrapper`
to get the audio file properties.
:raises: :class:`~aeneas.audiofile.AudioFileProbeError`: if the path to the ``ffprobe`` executable cannot be called
:raises: :class:`~aeneas.audiofile.AudioFileUnsupportedFormatError`: if the audio file has a format not supported
:raises: OSError: if the audio file cannot be read
"""
self.log(u"Reading properties...")
# check the file can be read
if not gf.file_can_be_read(self.file_path):
self.log_exc(u"File '%s' cannot be read" % (self.file_path), None, True, OSError)
# get the file size
self.log([u"Getting file size for '%s'", self.file_path])
self.file_size = gf.file_size(self.file_path)
self.log([u"File size for '%s' is '%d'", self.file_path, self.file_size])
# get the audio properties using FFPROBEWrapper
try:
self.log(u"Reading properties with FFPROBEWrapper...")
properties = FFPROBEWrapper(
rconf=self.rconf,
logger=self.logger
).read_properties(self.file_path)
self.log(u"Reading properties with FFPROBEWrapper... done")
except FFPROBEPathError:
self.log_exc(u"Unable to call ffprobe executable", None, True, AudioFileProbeError)
except (FFPROBEUnsupportedFormatError, FFPROBEParsingError):
self.log_exc(u"Audio file format not supported by ffprobe", None, True, AudioFileUnsupportedFormatError)
# save relevant properties in results inside the audiofile object
self.audio_length = TimeValue(properties[FFPROBEWrapper.STDOUT_DURATION])
self.audio_format = properties[FFPROBEWrapper.STDOUT_CODEC_NAME]
self.audio_sample_rate = gf.safe_int(properties[FFPROBEWrapper.STDOUT_SAMPLE_RATE])
self.audio_channels = gf.safe_int(properties[FFPROBEWrapper.STDOUT_CHANNELS])
self.log([u"Stored audio_length: '%s'", self.audio_length])
self.log([u"Stored audio_format: '%s'", self.audio_format])
self.log([u"Stored audio_sample_rate: '%s'", self.audio_sample_rate])
self.log([u"Stored audio_channels: '%s'", self.audio_channels])
self.log(u"Reading properties... done") | python | def read_properties(self):
self.log(u"Reading properties...")
# check the file can be read
if not gf.file_can_be_read(self.file_path):
self.log_exc(u"File '%s' cannot be read" % (self.file_path), None, True, OSError)
# get the file size
self.log([u"Getting file size for '%s'", self.file_path])
self.file_size = gf.file_size(self.file_path)
self.log([u"File size for '%s' is '%d'", self.file_path, self.file_size])
# get the audio properties using FFPROBEWrapper
try:
self.log(u"Reading properties with FFPROBEWrapper...")
properties = FFPROBEWrapper(
rconf=self.rconf,
logger=self.logger
).read_properties(self.file_path)
self.log(u"Reading properties with FFPROBEWrapper... done")
except FFPROBEPathError:
self.log_exc(u"Unable to call ffprobe executable", None, True, AudioFileProbeError)
except (FFPROBEUnsupportedFormatError, FFPROBEParsingError):
self.log_exc(u"Audio file format not supported by ffprobe", None, True, AudioFileUnsupportedFormatError)
# save relevant properties in results inside the audiofile object
self.audio_length = TimeValue(properties[FFPROBEWrapper.STDOUT_DURATION])
self.audio_format = properties[FFPROBEWrapper.STDOUT_CODEC_NAME]
self.audio_sample_rate = gf.safe_int(properties[FFPROBEWrapper.STDOUT_SAMPLE_RATE])
self.audio_channels = gf.safe_int(properties[FFPROBEWrapper.STDOUT_CHANNELS])
self.log([u"Stored audio_length: '%s'", self.audio_length])
self.log([u"Stored audio_format: '%s'", self.audio_format])
self.log([u"Stored audio_sample_rate: '%s'", self.audio_sample_rate])
self.log([u"Stored audio_channels: '%s'", self.audio_channels])
self.log(u"Reading properties... done") | [
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:raises: :class:`~aeneas.audiofile.AudioFileUnsupportedFormatError`: if the audio file has a format not supported
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246,027 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.read_samples_from_file | def read_samples_from_file(self):
"""
Load the audio samples from file into memory.
If ``self.file_format`` is ``None`` or it is not
``("pcm_s16le", 1, self.rconf.sample_rate)``,
the file will be first converted
to a temporary PCM16 mono WAVE file.
Audio data will be read from this temporary file,
which will be then deleted from disk immediately.
Otherwise,
the audio data will be read directly
from the given file,
which will not be deleted from disk.
:raises: :class:`~aeneas.audiofile.AudioFileConverterError`: if the path to the ``ffmpeg`` executable cannot be called
:raises: :class:`~aeneas.audiofile.AudioFileUnsupportedFormatError`: if the audio file has a format not supported
:raises: OSError: if the audio file cannot be read
"""
self.log(u"Loading audio data...")
# check the file can be read
if not gf.file_can_be_read(self.file_path):
self.log_exc(u"File '%s' cannot be read" % (self.file_path), None, True, OSError)
# determine if we need to convert the audio file
convert_audio_file = (
(self.file_format is None) or
(
(self.rconf.safety_checks) and
(self.file_format != ("pcm_s16le", 1, self.rconf.sample_rate))
)
)
# convert the audio file if needed
if convert_audio_file:
# convert file to PCM16 mono WAVE with correct sample rate
self.log(u"self.file_format is None or not good => converting self.file_path")
tmp_handler, tmp_file_path = gf.tmp_file(suffix=u".wav", root=self.rconf[RuntimeConfiguration.TMP_PATH])
self.log([u"Temporary PCM16 mono WAVE file: '%s'", tmp_file_path])
try:
self.log(u"Converting audio file to mono...")
converter = FFMPEGWrapper(rconf=self.rconf, logger=self.logger)
converter.convert(self.file_path, tmp_file_path)
self.file_format = ("pcm_s16le", 1, self.rconf.sample_rate)
self.log(u"Converting audio file to mono... done")
except FFMPEGPathError:
gf.delete_file(tmp_handler, tmp_file_path)
self.log_exc(u"Unable to call ffmpeg executable", None, True, AudioFileConverterError)
except OSError:
gf.delete_file(tmp_handler, tmp_file_path)
self.log_exc(u"Audio file format not supported by ffmpeg", None, True, AudioFileUnsupportedFormatError)
else:
# read the file directly
if self.rconf.safety_checks:
self.log(u"self.file_format is good => reading self.file_path directly")
else:
self.log_warn(u"Safety checks disabled => reading self.file_path directly")
tmp_handler = None
tmp_file_path = self.file_path
# TODO allow calling C extension cwave to read samples faster
try:
self.audio_format = "pcm16"
self.audio_channels = 1
self.audio_sample_rate, self.__samples = scipywavread(tmp_file_path)
# scipy reads a sample as an int16_t, that is, a number in [-32768, 32767]
# so we convert it to a float64 in [-1, 1]
self.__samples = self.__samples.astype("float64") / 32768
self.__samples_capacity = len(self.__samples)
self.__samples_length = self.__samples_capacity
self._update_length()
except ValueError:
self.log_exc(u"Audio format not supported by scipywavread", None, True, AudioFileUnsupportedFormatError)
# if we converted the audio file, delete the temporary converted audio file
if convert_audio_file:
gf.delete_file(tmp_handler, tmp_file_path)
self.log([u"Deleted temporary audio file: '%s'", tmp_file_path])
self._update_length()
self.log([u"Sample length: %.3f", self.audio_length])
self.log([u"Sample rate: %d", self.audio_sample_rate])
self.log([u"Audio format: %s", self.audio_format])
self.log([u"Audio channels: %d", self.audio_channels])
self.log(u"Loading audio data... done") | python | def read_samples_from_file(self):
self.log(u"Loading audio data...")
# check the file can be read
if not gf.file_can_be_read(self.file_path):
self.log_exc(u"File '%s' cannot be read" % (self.file_path), None, True, OSError)
# determine if we need to convert the audio file
convert_audio_file = (
(self.file_format is None) or
(
(self.rconf.safety_checks) and
(self.file_format != ("pcm_s16le", 1, self.rconf.sample_rate))
)
)
# convert the audio file if needed
if convert_audio_file:
# convert file to PCM16 mono WAVE with correct sample rate
self.log(u"self.file_format is None or not good => converting self.file_path")
tmp_handler, tmp_file_path = gf.tmp_file(suffix=u".wav", root=self.rconf[RuntimeConfiguration.TMP_PATH])
self.log([u"Temporary PCM16 mono WAVE file: '%s'", tmp_file_path])
try:
self.log(u"Converting audio file to mono...")
converter = FFMPEGWrapper(rconf=self.rconf, logger=self.logger)
converter.convert(self.file_path, tmp_file_path)
self.file_format = ("pcm_s16le", 1, self.rconf.sample_rate)
self.log(u"Converting audio file to mono... done")
except FFMPEGPathError:
gf.delete_file(tmp_handler, tmp_file_path)
self.log_exc(u"Unable to call ffmpeg executable", None, True, AudioFileConverterError)
except OSError:
gf.delete_file(tmp_handler, tmp_file_path)
self.log_exc(u"Audio file format not supported by ffmpeg", None, True, AudioFileUnsupportedFormatError)
else:
# read the file directly
if self.rconf.safety_checks:
self.log(u"self.file_format is good => reading self.file_path directly")
else:
self.log_warn(u"Safety checks disabled => reading self.file_path directly")
tmp_handler = None
tmp_file_path = self.file_path
# TODO allow calling C extension cwave to read samples faster
try:
self.audio_format = "pcm16"
self.audio_channels = 1
self.audio_sample_rate, self.__samples = scipywavread(tmp_file_path)
# scipy reads a sample as an int16_t, that is, a number in [-32768, 32767]
# so we convert it to a float64 in [-1, 1]
self.__samples = self.__samples.astype("float64") / 32768
self.__samples_capacity = len(self.__samples)
self.__samples_length = self.__samples_capacity
self._update_length()
except ValueError:
self.log_exc(u"Audio format not supported by scipywavread", None, True, AudioFileUnsupportedFormatError)
# if we converted the audio file, delete the temporary converted audio file
if convert_audio_file:
gf.delete_file(tmp_handler, tmp_file_path)
self.log([u"Deleted temporary audio file: '%s'", tmp_file_path])
self._update_length()
self.log([u"Sample length: %.3f", self.audio_length])
self.log([u"Sample rate: %d", self.audio_sample_rate])
self.log([u"Audio format: %s", self.audio_format])
self.log([u"Audio channels: %d", self.audio_channels])
self.log(u"Loading audio data... done") | [
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the file will be first converted
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Audio data will be read from this temporary file,
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:raises: :class:`~aeneas.audiofile.AudioFileConverterError`: if the path to the ``ffmpeg`` executable cannot be called
:raises: :class:`~aeneas.audiofile.AudioFileUnsupportedFormatError`: if the audio file has a format not supported
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246,028 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.preallocate_memory | def preallocate_memory(self, capacity):
"""
Preallocate memory to store audio samples,
to avoid repeated new allocations and copies
while performing several consecutive append operations.
If ``self.__samples`` is not initialized,
it will become an array of ``capacity`` zeros.
If ``capacity`` is larger than the current capacity,
the current ``self.__samples`` will be extended with zeros.
If ``capacity`` is smaller than the current capacity,
the first ``capacity`` values of ``self.__samples``
will be retained.
:param int capacity: the new capacity, in number of samples
:raises: ValueError: if ``capacity`` is negative
.. versionadded:: 1.5.0
"""
if capacity < 0:
raise ValueError(u"The capacity value cannot be negative")
if self.__samples is None:
self.log(u"Not initialized")
self.__samples = numpy.zeros(capacity)
self.__samples_length = 0
else:
self.log([u"Previous sample length was (samples): %d", self.__samples_length])
self.log([u"Previous sample capacity was (samples): %d", self.__samples_capacity])
self.__samples = numpy.resize(self.__samples, capacity)
self.__samples_length = min(self.__samples_length, capacity)
self.__samples_capacity = capacity
self.log([u"Current sample capacity is (samples): %d", self.__samples_capacity]) | python | def preallocate_memory(self, capacity):
if capacity < 0:
raise ValueError(u"The capacity value cannot be negative")
if self.__samples is None:
self.log(u"Not initialized")
self.__samples = numpy.zeros(capacity)
self.__samples_length = 0
else:
self.log([u"Previous sample length was (samples): %d", self.__samples_length])
self.log([u"Previous sample capacity was (samples): %d", self.__samples_capacity])
self.__samples = numpy.resize(self.__samples, capacity)
self.__samples_length = min(self.__samples_length, capacity)
self.__samples_capacity = capacity
self.log([u"Current sample capacity is (samples): %d", self.__samples_capacity]) | [
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If ``capacity`` is larger than the current capacity,
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If ``capacity`` is smaller than the current capacity,
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:param int capacity: the new capacity, in number of samples
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246,029 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.minimize_memory | def minimize_memory(self):
"""
Reduce the allocated memory to the minimum
required to store the current audio samples.
This function is meant to be called
when building a wave incrementally,
after the last append operation.
.. versionadded:: 1.5.0
"""
if self.__samples is None:
self.log(u"Not initialized, returning")
else:
self.log(u"Initialized, minimizing memory...")
self.preallocate_memory(self.__samples_length)
self.log(u"Initialized, minimizing memory... done") | python | def minimize_memory(self):
if self.__samples is None:
self.log(u"Not initialized, returning")
else:
self.log(u"Initialized, minimizing memory...")
self.preallocate_memory(self.__samples_length)
self.log(u"Initialized, minimizing memory... done") | [
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246,030 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.add_samples | def add_samples(self, samples, reverse=False):
"""
Concatenate the given new samples to the current audio data.
This function initializes the memory if no audio data
is present already.
If ``reverse`` is ``True``, the new samples
will be reversed and then concatenated.
:param samples: the new samples to be concatenated
:type samples: :class:`numpy.ndarray` (1D)
:param bool reverse: if ``True``, concatenate new samples after reversing them
.. versionadded:: 1.2.1
"""
self.log(u"Adding samples...")
samples_length = len(samples)
current_length = self.__samples_length
future_length = current_length + samples_length
if (self.__samples is None) or (self.__samples_capacity < future_length):
self.preallocate_memory(2 * future_length)
if reverse:
self.__samples[current_length:future_length] = samples[::-1]
else:
self.__samples[current_length:future_length] = samples[:]
self.__samples_length = future_length
self._update_length()
self.log(u"Adding samples... done") | python | def add_samples(self, samples, reverse=False):
self.log(u"Adding samples...")
samples_length = len(samples)
current_length = self.__samples_length
future_length = current_length + samples_length
if (self.__samples is None) or (self.__samples_capacity < future_length):
self.preallocate_memory(2 * future_length)
if reverse:
self.__samples[current_length:future_length] = samples[::-1]
else:
self.__samples[current_length:future_length] = samples[:]
self.__samples_length = future_length
self._update_length()
self.log(u"Adding samples... done") | [
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246,031 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.reverse | def reverse(self):
"""
Reverse the audio data.
:raises: :class:`~aeneas.audiofile.AudioFileNotInitializedError`: if the audio file is not initialized yet
.. versionadded:: 1.2.0
"""
if self.__samples is None:
if self.file_path is None:
self.log_exc(u"AudioFile object not initialized", None, True, AudioFileNotInitializedError)
else:
self.read_samples_from_file()
self.log(u"Reversing...")
self.__samples[0:self.__samples_length] = numpy.flipud(self.__samples[0:self.__samples_length])
self.log(u"Reversing... done") | python | def reverse(self):
if self.__samples is None:
if self.file_path is None:
self.log_exc(u"AudioFile object not initialized", None, True, AudioFileNotInitializedError)
else:
self.read_samples_from_file()
self.log(u"Reversing...")
self.__samples[0:self.__samples_length] = numpy.flipud(self.__samples[0:self.__samples_length])
self.log(u"Reversing... done") | [
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246,032 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.trim | def trim(self, begin=None, length=None):
"""
Get a slice of the audio data of ``length`` seconds,
starting from ``begin`` seconds.
If audio data is not loaded, load it and then slice it.
:param begin: the start position, in seconds
:type begin: :class:`~aeneas.exacttiming.TimeValue`
:param length: the position, in seconds
:type length: :class:`~aeneas.exacttiming.TimeValue`
:raises: TypeError: if one of the arguments is not ``None``
or :class:`~aeneas.exacttiming.TimeValue`
.. versionadded:: 1.2.0
"""
for variable, name in [(begin, "begin"), (length, "length")]:
if (variable is not None) and (not isinstance(variable, TimeValue)):
raise TypeError(u"%s is not None or TimeValue" % name)
self.log(u"Trimming...")
if (begin is None) and (length is None):
self.log(u"begin and length are both None: nothing to do")
else:
if begin is None:
begin = TimeValue("0.000")
self.log([u"begin was None, now set to %.3f", begin])
begin = min(max(TimeValue("0.000"), begin), self.audio_length)
self.log([u"begin is %.3f", begin])
if length is None:
length = self.audio_length - begin
self.log([u"length was None, now set to %.3f", length])
length = min(max(TimeValue("0.000"), length), self.audio_length - begin)
self.log([u"length is %.3f", length])
begin_index = int(begin * self.audio_sample_rate)
end_index = int((begin + length) * self.audio_sample_rate)
new_idx = end_index - begin_index
self.__samples[0:new_idx] = self.__samples[begin_index:end_index]
self.__samples_length = new_idx
self._update_length()
self.log(u"Trimming... done") | python | def trim(self, begin=None, length=None):
for variable, name in [(begin, "begin"), (length, "length")]:
if (variable is not None) and (not isinstance(variable, TimeValue)):
raise TypeError(u"%s is not None or TimeValue" % name)
self.log(u"Trimming...")
if (begin is None) and (length is None):
self.log(u"begin and length are both None: nothing to do")
else:
if begin is None:
begin = TimeValue("0.000")
self.log([u"begin was None, now set to %.3f", begin])
begin = min(max(TimeValue("0.000"), begin), self.audio_length)
self.log([u"begin is %.3f", begin])
if length is None:
length = self.audio_length - begin
self.log([u"length was None, now set to %.3f", length])
length = min(max(TimeValue("0.000"), length), self.audio_length - begin)
self.log([u"length is %.3f", length])
begin_index = int(begin * self.audio_sample_rate)
end_index = int((begin + length) * self.audio_sample_rate)
new_idx = end_index - begin_index
self.__samples[0:new_idx] = self.__samples[begin_index:end_index]
self.__samples_length = new_idx
self._update_length()
self.log(u"Trimming... done") | [
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] | 9d95535ad63eef4a98530cfdff033b8c35315ee1 | https://github.com/readbeyond/aeneas/blob/9d95535ad63eef4a98530cfdff033b8c35315ee1/aeneas/audiofile.py#L566-L605 |
246,033 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.write | def write(self, file_path):
"""
Write the audio data to file.
Return ``True`` on success, or ``False`` otherwise.
:param string file_path: the path of the output file to be written
:raises: :class:`~aeneas.audiofile.AudioFileNotInitializedError`: if the audio file is not initialized yet
.. versionadded:: 1.2.0
"""
if self.__samples is None:
if self.file_path is None:
self.log_exc(u"AudioFile object not initialized", None, True, AudioFileNotInitializedError)
else:
self.read_samples_from_file()
self.log([u"Writing audio file '%s'...", file_path])
try:
# our value is a float64 in [-1, 1]
# scipy writes the sample as an int16_t, that is, a number in [-32768, 32767]
data = (self.audio_samples * 32768).astype("int16")
scipywavwrite(file_path, self.audio_sample_rate, data)
except Exception as exc:
self.log_exc(u"Error writing audio file to '%s'" % (file_path), exc, True, OSError)
self.log([u"Writing audio file '%s'... done", file_path]) | python | def write(self, file_path):
if self.__samples is None:
if self.file_path is None:
self.log_exc(u"AudioFile object not initialized", None, True, AudioFileNotInitializedError)
else:
self.read_samples_from_file()
self.log([u"Writing audio file '%s'...", file_path])
try:
# our value is a float64 in [-1, 1]
# scipy writes the sample as an int16_t, that is, a number in [-32768, 32767]
data = (self.audio_samples * 32768).astype("int16")
scipywavwrite(file_path, self.audio_sample_rate, data)
except Exception as exc:
self.log_exc(u"Error writing audio file to '%s'" % (file_path), exc, True, OSError)
self.log([u"Writing audio file '%s'... done", file_path]) | [
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246,034 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile.clear_data | def clear_data(self):
"""
Clear the audio data, freeing memory.
"""
self.log(u"Clear audio_data")
self.__samples_capacity = 0
self.__samples_length = 0
self.__samples = None | python | def clear_data(self):
self.log(u"Clear audio_data")
self.__samples_capacity = 0
self.__samples_length = 0
self.__samples = None | [
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246,035 | readbeyond/aeneas | aeneas/audiofile.py | AudioFile._update_length | def _update_length(self):
"""
Update the audio length property,
according to the length of the current audio data
and audio sample rate.
This function fails silently if one of the two is ``None``.
"""
if (self.audio_sample_rate is not None) and (self.__samples is not None):
# NOTE computing TimeValue (... / ...) yields wrong results,
# see issue #168
# self.audio_length = TimeValue(self.__samples_length / self.audio_sample_rate)
self.audio_length = TimeValue(self.__samples_length) / TimeValue(self.audio_sample_rate) | python | def _update_length(self):
if (self.audio_sample_rate is not None) and (self.__samples is not None):
# NOTE computing TimeValue (... / ...) yields wrong results,
# see issue #168
# self.audio_length = TimeValue(self.__samples_length / self.audio_sample_rate)
self.audio_length = TimeValue(self.__samples_length) / TimeValue(self.audio_sample_rate) | [
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246,036 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC.masked_middle_mfcc | def masked_middle_mfcc(self):
"""
Return the MFCC speech frames
in the MIDDLE portion of the wave.
:rtype: :class:`numpy.ndarray` (2D)
"""
begin, end = self._masked_middle_begin_end()
return (self.masked_mfcc)[:, begin:end] | python | def masked_middle_mfcc(self):
begin, end = self._masked_middle_begin_end()
return (self.masked_mfcc)[:, begin:end] | [
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246,037 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC.masked_middle_map | def masked_middle_map(self):
"""
Return the map
from the MFCC speech frame indices
in the MIDDLE portion of the wave
to the MFCC FULL frame indices.
:rtype: :class:`numpy.ndarray` (1D)
"""
begin, end = self._masked_middle_begin_end()
return self.__mfcc_mask_map[begin:end] | python | def masked_middle_map(self):
begin, end = self._masked_middle_begin_end()
return self.__mfcc_mask_map[begin:end] | [
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246,038 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC._binary_search_intervals | def _binary_search_intervals(cls, intervals, index):
"""
Binary search for the interval containing index,
assuming there is such an interval.
This function should never return ``None``.
"""
start = 0
end = len(intervals) - 1
while start <= end:
middle_index = start + ((end - start) // 2)
middle = intervals[middle_index]
if (middle[0] <= index) and (index < middle[1]):
return middle
elif middle[0] > index:
end = middle_index - 1
else:
start = middle_index + 1
return None | python | def _binary_search_intervals(cls, intervals, index):
start = 0
end = len(intervals) - 1
while start <= end:
middle_index = start + ((end - start) // 2)
middle = intervals[middle_index]
if (middle[0] <= index) and (index < middle[1]):
return middle
elif middle[0] > index:
end = middle_index - 1
else:
start = middle_index + 1
return None | [
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246,039 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC.middle_begin | def middle_begin(self, index):
"""
Set the index where MIDDLE starts.
:param int index: the new index for MIDDLE begin
"""
if (index < 0) or (index > self.all_length):
raise ValueError(u"The given index is not valid")
self.__middle_begin = index | python | def middle_begin(self, index):
if (index < 0) or (index > self.all_length):
raise ValueError(u"The given index is not valid")
self.__middle_begin = index | [
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246,040 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC._compute_mfcc_c_extension | def _compute_mfcc_c_extension(self):
"""
Compute MFCCs using the Python C extension cmfcc.
"""
self.log(u"Computing MFCCs using C extension...")
try:
self.log(u"Importing cmfcc...")
import aeneas.cmfcc.cmfcc
self.log(u"Importing cmfcc... done")
self.__mfcc = (aeneas.cmfcc.cmfcc.compute_from_data(
self.audio_file.audio_samples,
self.audio_file.audio_sample_rate,
self.rconf[RuntimeConfiguration.MFCC_FILTERS],
self.rconf[RuntimeConfiguration.MFCC_SIZE],
self.rconf[RuntimeConfiguration.MFCC_FFT_ORDER],
self.rconf[RuntimeConfiguration.MFCC_LOWER_FREQUENCY],
self.rconf[RuntimeConfiguration.MFCC_UPPER_FREQUENCY],
self.rconf[RuntimeConfiguration.MFCC_EMPHASIS_FACTOR],
self.rconf[RuntimeConfiguration.MFCC_WINDOW_LENGTH],
self.rconf[RuntimeConfiguration.MFCC_WINDOW_SHIFT]
)[0]).transpose()
self.log(u"Computing MFCCs using C extension... done")
return (True, None)
except Exception as exc:
self.log_exc(u"An unexpected error occurred while running cmfcc", exc, False, None)
return (False, None) | python | def _compute_mfcc_c_extension(self):
self.log(u"Computing MFCCs using C extension...")
try:
self.log(u"Importing cmfcc...")
import aeneas.cmfcc.cmfcc
self.log(u"Importing cmfcc... done")
self.__mfcc = (aeneas.cmfcc.cmfcc.compute_from_data(
self.audio_file.audio_samples,
self.audio_file.audio_sample_rate,
self.rconf[RuntimeConfiguration.MFCC_FILTERS],
self.rconf[RuntimeConfiguration.MFCC_SIZE],
self.rconf[RuntimeConfiguration.MFCC_FFT_ORDER],
self.rconf[RuntimeConfiguration.MFCC_LOWER_FREQUENCY],
self.rconf[RuntimeConfiguration.MFCC_UPPER_FREQUENCY],
self.rconf[RuntimeConfiguration.MFCC_EMPHASIS_FACTOR],
self.rconf[RuntimeConfiguration.MFCC_WINDOW_LENGTH],
self.rconf[RuntimeConfiguration.MFCC_WINDOW_SHIFT]
)[0]).transpose()
self.log(u"Computing MFCCs using C extension... done")
return (True, None)
except Exception as exc:
self.log_exc(u"An unexpected error occurred while running cmfcc", exc, False, None)
return (False, None) | [
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246,041 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC._compute_mfcc_pure_python | def _compute_mfcc_pure_python(self):
"""
Compute MFCCs using the pure Python code.
"""
self.log(u"Computing MFCCs using pure Python code...")
try:
self.__mfcc = MFCC(
rconf=self.rconf,
logger=self.logger
).compute_from_data(
self.audio_file.audio_samples,
self.audio_file.audio_sample_rate
).transpose()
self.log(u"Computing MFCCs using pure Python code... done")
return (True, None)
except Exception as exc:
self.log_exc(u"An unexpected error occurred while running pure Python code", exc, False, None)
return (False, None) | python | def _compute_mfcc_pure_python(self):
self.log(u"Computing MFCCs using pure Python code...")
try:
self.__mfcc = MFCC(
rconf=self.rconf,
logger=self.logger
).compute_from_data(
self.audio_file.audio_samples,
self.audio_file.audio_sample_rate
).transpose()
self.log(u"Computing MFCCs using pure Python code... done")
return (True, None)
except Exception as exc:
self.log_exc(u"An unexpected error occurred while running pure Python code", exc, False, None)
return (False, None) | [
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246,042 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC.reverse | def reverse(self):
"""
Reverse the audio file.
The reversing is done efficiently using NumPy views inplace
instead of swapping values.
Only speech and nonspeech intervals are actually recomputed
as Python lists.
"""
self.log(u"Reversing...")
all_length = self.all_length
self.__mfcc = self.__mfcc[:, ::-1]
tmp = self.__middle_end
self.__middle_end = all_length - self.__middle_begin
self.__middle_begin = all_length - tmp
if self.__mfcc_mask is not None:
self.__mfcc_mask = self.__mfcc_mask[::-1]
# equivalent to
# self.__mfcc_mask_map = ((all_length - 1) - self.__mfcc_mask_map)[::-1]
# but done in place using NumPy view
self.__mfcc_mask_map *= -1
self.__mfcc_mask_map += all_length - 1
self.__mfcc_mask_map = self.__mfcc_mask_map[::-1]
self.__speech_intervals = [(all_length - i[1], all_length - i[0]) for i in self.__speech_intervals[::-1]]
self.__nonspeech_intervals = [(all_length - i[1], all_length - i[0]) for i in self.__nonspeech_intervals[::-1]]
self.is_reversed = not self.is_reversed
self.log(u"Reversing...done") | python | def reverse(self):
self.log(u"Reversing...")
all_length = self.all_length
self.__mfcc = self.__mfcc[:, ::-1]
tmp = self.__middle_end
self.__middle_end = all_length - self.__middle_begin
self.__middle_begin = all_length - tmp
if self.__mfcc_mask is not None:
self.__mfcc_mask = self.__mfcc_mask[::-1]
# equivalent to
# self.__mfcc_mask_map = ((all_length - 1) - self.__mfcc_mask_map)[::-1]
# but done in place using NumPy view
self.__mfcc_mask_map *= -1
self.__mfcc_mask_map += all_length - 1
self.__mfcc_mask_map = self.__mfcc_mask_map[::-1]
self.__speech_intervals = [(all_length - i[1], all_length - i[0]) for i in self.__speech_intervals[::-1]]
self.__nonspeech_intervals = [(all_length - i[1], all_length - i[0]) for i in self.__nonspeech_intervals[::-1]]
self.is_reversed = not self.is_reversed
self.log(u"Reversing...done") | [
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246,043 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC.run_vad | def run_vad(
self,
log_energy_threshold=None,
min_nonspeech_length=None,
extend_before=None,
extend_after=None
):
"""
Determine which frames contain speech and nonspeech,
and store the resulting boolean mask internally.
The four parameters might be ``None``:
in this case, the corresponding RuntimeConfiguration values
are applied.
:param float log_energy_threshold: the minimum log energy threshold to consider a frame as speech
:param int min_nonspeech_length: the minimum length, in frames, of a nonspeech interval
:param int extend_before: extend each speech interval by this number of frames to the left (before)
:param int extend_after: extend each speech interval by this number of frames to the right (after)
"""
def _compute_runs(array):
"""
Compute runs as a list of arrays,
each containing the indices of a contiguous run.
:param array: the data array
:type array: :class:`numpy.ndarray` (1D)
:rtype: list of :class:`numpy.ndarray` (1D)
"""
if len(array) < 1:
return []
return numpy.split(array, numpy.where(numpy.diff(array) != 1)[0] + 1)
self.log(u"Creating VAD object")
vad = VAD(rconf=self.rconf, logger=self.logger)
self.log(u"Running VAD...")
self.__mfcc_mask = vad.run_vad(
wave_energy=self.__mfcc[0],
log_energy_threshold=log_energy_threshold,
min_nonspeech_length=min_nonspeech_length,
extend_before=extend_before,
extend_after=extend_after
)
self.__mfcc_mask_map = (numpy.where(self.__mfcc_mask))[0]
self.log(u"Running VAD... done")
self.log(u"Storing speech and nonspeech intervals...")
# where( == True) already computed, reusing
# COMMENTED runs = _compute_runs((numpy.where(self.__mfcc_mask))[0])
runs = _compute_runs(self.__mfcc_mask_map)
self.__speech_intervals = [(r[0], r[-1]) for r in runs]
# where( == False) not already computed, computing now
runs = _compute_runs((numpy.where(~self.__mfcc_mask))[0])
self.__nonspeech_intervals = [(r[0], r[-1]) for r in runs]
self.log(u"Storing speech and nonspeech intervals... done") | python | def run_vad(
self,
log_energy_threshold=None,
min_nonspeech_length=None,
extend_before=None,
extend_after=None
):
def _compute_runs(array):
"""
Compute runs as a list of arrays,
each containing the indices of a contiguous run.
:param array: the data array
:type array: :class:`numpy.ndarray` (1D)
:rtype: list of :class:`numpy.ndarray` (1D)
"""
if len(array) < 1:
return []
return numpy.split(array, numpy.where(numpy.diff(array) != 1)[0] + 1)
self.log(u"Creating VAD object")
vad = VAD(rconf=self.rconf, logger=self.logger)
self.log(u"Running VAD...")
self.__mfcc_mask = vad.run_vad(
wave_energy=self.__mfcc[0],
log_energy_threshold=log_energy_threshold,
min_nonspeech_length=min_nonspeech_length,
extend_before=extend_before,
extend_after=extend_after
)
self.__mfcc_mask_map = (numpy.where(self.__mfcc_mask))[0]
self.log(u"Running VAD... done")
self.log(u"Storing speech and nonspeech intervals...")
# where( == True) already computed, reusing
# COMMENTED runs = _compute_runs((numpy.where(self.__mfcc_mask))[0])
runs = _compute_runs(self.__mfcc_mask_map)
self.__speech_intervals = [(r[0], r[-1]) for r in runs]
# where( == False) not already computed, computing now
runs = _compute_runs((numpy.where(~self.__mfcc_mask))[0])
self.__nonspeech_intervals = [(r[0], r[-1]) for r in runs]
self.log(u"Storing speech and nonspeech intervals... done") | [
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246,044 | readbeyond/aeneas | aeneas/audiofilemfcc.py | AudioFileMFCC.set_head_middle_tail | def set_head_middle_tail(self, head_length=None, middle_length=None, tail_length=None):
"""
Set the HEAD, MIDDLE, TAIL explicitly.
If a parameter is ``None``, it will be ignored.
If both ``middle_length`` and ``tail_length`` are specified,
only ``middle_length`` will be applied.
:param head_length: the length of HEAD, in seconds
:type head_length: :class:`~aeneas.exacttiming.TimeValue`
:param middle_length: the length of MIDDLE, in seconds
:type middle_length: :class:`~aeneas.exacttiming.TimeValue`
:param tail_length: the length of TAIL, in seconds
:type tail_length: :class:`~aeneas.exacttiming.TimeValue`
:raises: TypeError: if one of the arguments is not ``None``
or :class:`~aeneas.exacttiming.TimeValue`
:raises: ValueError: if one of the arguments is greater
than the length of the audio file
"""
for variable, name in [
(head_length, "head_length"),
(middle_length, "middle_length"),
(tail_length, "tail_length")
]:
if (variable is not None) and (not isinstance(variable, TimeValue)):
raise TypeError(u"%s is not None or TimeValue" % name)
if (variable is not None) and (variable > self.audio_length):
raise ValueError(u"%s is greater than the length of the audio file" % name)
self.log(u"Setting head middle tail...")
mws = self.rconf.mws
self.log([u"Before: 0 %d %d %d", self.middle_begin, self.middle_end, self.all_length])
if head_length is not None:
self.middle_begin = int(head_length / mws)
if middle_length is not None:
self.middle_end = self.middle_begin + int(middle_length / mws)
elif tail_length is not None:
self.middle_end = self.all_length - int(tail_length / mws)
self.log([u"After: 0 %d %d %d", self.middle_begin, self.middle_end, self.all_length])
self.log(u"Setting head middle tail... done") | python | def set_head_middle_tail(self, head_length=None, middle_length=None, tail_length=None):
for variable, name in [
(head_length, "head_length"),
(middle_length, "middle_length"),
(tail_length, "tail_length")
]:
if (variable is not None) and (not isinstance(variable, TimeValue)):
raise TypeError(u"%s is not None or TimeValue" % name)
if (variable is not None) and (variable > self.audio_length):
raise ValueError(u"%s is greater than the length of the audio file" % name)
self.log(u"Setting head middle tail...")
mws = self.rconf.mws
self.log([u"Before: 0 %d %d %d", self.middle_begin, self.middle_end, self.all_length])
if head_length is not None:
self.middle_begin = int(head_length / mws)
if middle_length is not None:
self.middle_end = self.middle_begin + int(middle_length / mws)
elif tail_length is not None:
self.middle_end = self.all_length - int(tail_length / mws)
self.log([u"After: 0 %d %d %d", self.middle_begin, self.middle_end, self.all_length])
self.log(u"Setting head middle tail... done") | [
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:type head_length: :class:`~aeneas.exacttiming.TimeValue`
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246,045 | readbeyond/aeneas | aeneas/textfile.py | TextFragment.chars | def chars(self):
"""
Return the number of characters of the text fragment,
not including the line separators.
:rtype: int
"""
if self.lines is None:
return 0
return sum([len(line) for line in self.lines]) | python | def chars(self):
if self.lines is None:
return 0
return sum([len(line) for line in self.lines]) | [
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246,046 | readbeyond/aeneas | aeneas/textfile.py | TextFile.children_not_empty | def children_not_empty(self):
"""
Return the direct not empty children of the root of the fragments tree,
as ``TextFile`` objects.
:rtype: list of :class:`~aeneas.textfile.TextFile`
"""
children = []
for child_node in self.fragments_tree.children_not_empty:
child_text_file = self.get_subtree(child_node)
child_text_file.set_language(child_node.value.language)
children.append(child_text_file)
return children | python | def children_not_empty(self):
children = []
for child_node in self.fragments_tree.children_not_empty:
child_text_file = self.get_subtree(child_node)
child_text_file.set_language(child_node.value.language)
children.append(child_text_file)
return children | [
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246,047 | readbeyond/aeneas | aeneas/textfile.py | TextFile.characters | def characters(self):
"""
The number of characters in this text file.
:rtype: int
"""
chars = 0
for fragment in self.fragments:
chars += fragment.characters
return chars | python | def characters(self):
chars = 0
for fragment in self.fragments:
chars += fragment.characters
return chars | [
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246,048 | readbeyond/aeneas | aeneas/textfile.py | TextFile.add_fragment | def add_fragment(self, fragment, as_last=True):
"""
Add the given text fragment as the first or last child of the root node
of the text file tree.
:param fragment: the text fragment to be added
:type fragment: :class:`~aeneas.textfile.TextFragment`
:param bool as_last: if ``True`` append fragment, otherwise prepend it
"""
if not isinstance(fragment, TextFragment):
self.log_exc(u"fragment is not an instance of TextFragment", None, True, TypeError)
self.fragments_tree.add_child(Tree(value=fragment), as_last=as_last) | python | def add_fragment(self, fragment, as_last=True):
if not isinstance(fragment, TextFragment):
self.log_exc(u"fragment is not an instance of TextFragment", None, True, TypeError)
self.fragments_tree.add_child(Tree(value=fragment), as_last=as_last) | [
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246,049 | readbeyond/aeneas | aeneas/textfile.py | TextFile.set_language | def set_language(self, language):
"""
Set the given language for all the text fragments.
:param language: the language of the text fragments
:type language: :class:`~aeneas.language.Language`
"""
self.log([u"Setting language: '%s'", language])
for fragment in self.fragments:
fragment.language = language | python | def set_language(self, language):
self.log([u"Setting language: '%s'", language])
for fragment in self.fragments:
fragment.language = language | [
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:param language: the language of the text fragments
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246,050 | readbeyond/aeneas | aeneas/textfile.py | TextFile._read_from_file | def _read_from_file(self):
"""
Read text fragments from file.
"""
# test if we can read the given file
if not gf.file_can_be_read(self.file_path):
self.log_exc(u"File '%s' cannot be read" % (self.file_path), None, True, OSError)
if self.file_format not in TextFileFormat.ALLOWED_VALUES:
self.log_exc(u"Text file format '%s' is not supported." % (self.file_format), None, True, ValueError)
# read the contents of the file
self.log([u"Reading contents of file '%s'", self.file_path])
with io.open(self.file_path, "r", encoding="utf-8") as text_file:
lines = text_file.readlines()
# clear text fragments
self.clear()
# parse the contents
map_read_function = {
TextFileFormat.MPLAIN: self._read_mplain,
TextFileFormat.MUNPARSED: self._read_munparsed,
TextFileFormat.PARSED: self._read_parsed,
TextFileFormat.PLAIN: self._read_plain,
TextFileFormat.SUBTITLES: self._read_subtitles,
TextFileFormat.UNPARSED: self._read_unparsed
}
map_read_function[self.file_format](lines)
# log the number of fragments
self.log([u"Parsed %d fragments", len(self.fragments)]) | python | def _read_from_file(self):
# test if we can read the given file
if not gf.file_can_be_read(self.file_path):
self.log_exc(u"File '%s' cannot be read" % (self.file_path), None, True, OSError)
if self.file_format not in TextFileFormat.ALLOWED_VALUES:
self.log_exc(u"Text file format '%s' is not supported." % (self.file_format), None, True, ValueError)
# read the contents of the file
self.log([u"Reading contents of file '%s'", self.file_path])
with io.open(self.file_path, "r", encoding="utf-8") as text_file:
lines = text_file.readlines()
# clear text fragments
self.clear()
# parse the contents
map_read_function = {
TextFileFormat.MPLAIN: self._read_mplain,
TextFileFormat.MUNPARSED: self._read_munparsed,
TextFileFormat.PARSED: self._read_parsed,
TextFileFormat.PLAIN: self._read_plain,
TextFileFormat.SUBTITLES: self._read_subtitles,
TextFileFormat.UNPARSED: self._read_unparsed
}
map_read_function[self.file_format](lines)
# log the number of fragments
self.log([u"Parsed %d fragments", len(self.fragments)]) | [
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246,051 | readbeyond/aeneas | aeneas/textfile.py | TextFile._mplain_word_separator | def _mplain_word_separator(self):
"""
Get the word separator to split words in mplain format.
:rtype: string
"""
word_separator = gf.safe_get(self.parameters, gc.PPN_TASK_IS_TEXT_MPLAIN_WORD_SEPARATOR, u" ")
if (word_separator is None) or (word_separator == "space"):
return u" "
elif word_separator == "equal":
return u"="
elif word_separator == "pipe":
return u"|"
elif word_separator == "tab":
return u"\u0009"
return word_separator | python | def _mplain_word_separator(self):
word_separator = gf.safe_get(self.parameters, gc.PPN_TASK_IS_TEXT_MPLAIN_WORD_SEPARATOR, u" ")
if (word_separator is None) or (word_separator == "space"):
return u" "
elif word_separator == "equal":
return u"="
elif word_separator == "pipe":
return u"|"
elif word_separator == "tab":
return u"\u0009"
return word_separator | [
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246,052 | readbeyond/aeneas | aeneas/textfile.py | TextFile._read_mplain | def _read_mplain(self, lines):
"""
Read text fragments from a multilevel format text file.
:param list lines: the lines of the subtitles text file
"""
self.log(u"Parsing fragments from subtitles text format")
word_separator = self._mplain_word_separator()
self.log([u"Word separator is: '%s'", word_separator])
lines = [line.strip() for line in lines]
pairs = []
i = 1
current = 0
tree = Tree()
while current < len(lines):
line_text = lines[current]
if len(line_text) > 0:
sentences = [line_text]
following = current + 1
while (following < len(lines)) and (len(lines[following]) > 0):
sentences.append(lines[following])
following += 1
# here sentences holds the sentences for this paragraph
# create paragraph node
paragraph_identifier = u"p%06d" % i
paragraph_lines = [u" ".join(sentences)]
paragraph_fragment = TextFragment(
identifier=paragraph_identifier,
lines=paragraph_lines,
filtered_lines=paragraph_lines
)
paragraph_node = Tree(value=paragraph_fragment)
tree.add_child(paragraph_node)
self.log([u"Paragraph %s", paragraph_identifier])
# create sentences nodes
j = 1
for s in sentences:
sentence_identifier = paragraph_identifier + u"s%06d" % j
sentence_lines = [s]
sentence_fragment = TextFragment(
identifier=sentence_identifier,
lines=sentence_lines,
filtered_lines=sentence_lines
)
sentence_node = Tree(value=sentence_fragment)
paragraph_node.add_child(sentence_node)
j += 1
self.log([u" Sentence %s", sentence_identifier])
# create words nodes
k = 1
for w in [w for w in s.split(word_separator) if len(w) > 0]:
word_identifier = sentence_identifier + u"w%06d" % k
word_lines = [w]
word_fragment = TextFragment(
identifier=word_identifier,
lines=word_lines,
filtered_lines=word_lines
)
word_node = Tree(value=word_fragment)
sentence_node.add_child(word_node)
k += 1
self.log([u" Word %s", word_identifier])
# keep iterating
current = following
i += 1
current += 1
self.log(u"Storing tree")
self.fragments_tree = tree | python | def _read_mplain(self, lines):
self.log(u"Parsing fragments from subtitles text format")
word_separator = self._mplain_word_separator()
self.log([u"Word separator is: '%s'", word_separator])
lines = [line.strip() for line in lines]
pairs = []
i = 1
current = 0
tree = Tree()
while current < len(lines):
line_text = lines[current]
if len(line_text) > 0:
sentences = [line_text]
following = current + 1
while (following < len(lines)) and (len(lines[following]) > 0):
sentences.append(lines[following])
following += 1
# here sentences holds the sentences for this paragraph
# create paragraph node
paragraph_identifier = u"p%06d" % i
paragraph_lines = [u" ".join(sentences)]
paragraph_fragment = TextFragment(
identifier=paragraph_identifier,
lines=paragraph_lines,
filtered_lines=paragraph_lines
)
paragraph_node = Tree(value=paragraph_fragment)
tree.add_child(paragraph_node)
self.log([u"Paragraph %s", paragraph_identifier])
# create sentences nodes
j = 1
for s in sentences:
sentence_identifier = paragraph_identifier + u"s%06d" % j
sentence_lines = [s]
sentence_fragment = TextFragment(
identifier=sentence_identifier,
lines=sentence_lines,
filtered_lines=sentence_lines
)
sentence_node = Tree(value=sentence_fragment)
paragraph_node.add_child(sentence_node)
j += 1
self.log([u" Sentence %s", sentence_identifier])
# create words nodes
k = 1
for w in [w for w in s.split(word_separator) if len(w) > 0]:
word_identifier = sentence_identifier + u"w%06d" % k
word_lines = [w]
word_fragment = TextFragment(
identifier=word_identifier,
lines=word_lines,
filtered_lines=word_lines
)
word_node = Tree(value=word_fragment)
sentence_node.add_child(word_node)
k += 1
self.log([u" Word %s", word_identifier])
# keep iterating
current = following
i += 1
current += 1
self.log(u"Storing tree")
self.fragments_tree = tree | [
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246,053 | readbeyond/aeneas | aeneas/textfile.py | TextFile._read_subtitles | def _read_subtitles(self, lines):
"""
Read text fragments from a subtitles format text file.
:param list lines: the lines of the subtitles text file
:raises: ValueError: if the id regex is not valid
"""
self.log(u"Parsing fragments from subtitles text format")
id_format = self._get_id_format()
lines = [line.strip() for line in lines]
pairs = []
i = 1
current = 0
while current < len(lines):
line_text = lines[current]
if len(line_text) > 0:
fragment_lines = [line_text]
following = current + 1
while (following < len(lines)) and (len(lines[following]) > 0):
fragment_lines.append(lines[following])
following += 1
identifier = id_format % i
pairs.append((identifier, fragment_lines))
current = following
i += 1
current += 1
self._create_text_fragments(pairs) | python | def _read_subtitles(self, lines):
self.log(u"Parsing fragments from subtitles text format")
id_format = self._get_id_format()
lines = [line.strip() for line in lines]
pairs = []
i = 1
current = 0
while current < len(lines):
line_text = lines[current]
if len(line_text) > 0:
fragment_lines = [line_text]
following = current + 1
while (following < len(lines)) and (len(lines[following]) > 0):
fragment_lines.append(lines[following])
following += 1
identifier = id_format % i
pairs.append((identifier, fragment_lines))
current = following
i += 1
current += 1
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246,054 | readbeyond/aeneas | aeneas/textfile.py | TextFile._read_parsed | def _read_parsed(self, lines):
"""
Read text fragments from a parsed format text file.
:param list lines: the lines of the parsed text file
:param dict parameters: additional parameters for parsing
(e.g., class/id regex strings)
"""
self.log(u"Parsing fragments from parsed text format")
pairs = []
for line in lines:
pieces = line.split(gc.PARSED_TEXT_SEPARATOR)
if len(pieces) == 2:
identifier = pieces[0].strip()
text = pieces[1].strip()
if len(identifier) > 0:
pairs.append((identifier, [text]))
self._create_text_fragments(pairs) | python | def _read_parsed(self, lines):
self.log(u"Parsing fragments from parsed text format")
pairs = []
for line in lines:
pieces = line.split(gc.PARSED_TEXT_SEPARATOR)
if len(pieces) == 2:
identifier = pieces[0].strip()
text = pieces[1].strip()
if len(identifier) > 0:
pairs.append((identifier, [text]))
self._create_text_fragments(pairs) | [
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246,055 | readbeyond/aeneas | aeneas/textfile.py | TextFile._read_plain | def _read_plain(self, lines):
"""
Read text fragments from a plain format text file.
:param list lines: the lines of the plain text file
:param dict parameters: additional parameters for parsing
(e.g., class/id regex strings)
:raises: ValueError: if the id regex is not valid
"""
self.log(u"Parsing fragments from plain text format")
id_format = self._get_id_format()
lines = [line.strip() for line in lines]
pairs = []
i = 1
for line in lines:
identifier = id_format % i
text = line.strip()
pairs.append((identifier, [text]))
i += 1
self._create_text_fragments(pairs) | python | def _read_plain(self, lines):
self.log(u"Parsing fragments from plain text format")
id_format = self._get_id_format()
lines = [line.strip() for line in lines]
pairs = []
i = 1
for line in lines:
identifier = id_format % i
text = line.strip()
pairs.append((identifier, [text]))
i += 1
self._create_text_fragments(pairs) | [
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246,056 | readbeyond/aeneas | aeneas/textfile.py | TextFile._read_unparsed | def _read_unparsed(self, lines):
"""
Read text fragments from an unparsed format text file.
:param list lines: the lines of the unparsed text file
"""
from bs4 import BeautifulSoup
def filter_attributes():
""" Return a dict with the bs4 filter parameters """
attributes = {}
for attribute_name, filter_name in [
("class", gc.PPN_TASK_IS_TEXT_UNPARSED_CLASS_REGEX),
("id", gc.PPN_TASK_IS_TEXT_UNPARSED_ID_REGEX)
]:
if filter_name in self.parameters:
regex_string = self.parameters[filter_name]
if regex_string is not None:
self.log([u"Regex for %s: '%s'", attribute_name, regex_string])
regex = re.compile(r".*\b" + regex_string + r"\b.*")
attributes[attribute_name] = regex
return attributes
#
# TODO better and/or parametric parsing,
# for example, removing tags but keeping text, etc.
#
self.log(u"Parsing fragments from unparsed text format")
# transform text in a soup object
self.log(u"Creating soup")
soup = BeautifulSoup("\n".join(lines), "lxml")
# extract according to class_regex and id_regex
text_from_id = {}
ids = []
filter_attributes = filter_attributes()
self.log([u"Finding elements matching attributes '%s'", filter_attributes])
nodes = soup.findAll(attrs=filter_attributes)
for node in nodes:
try:
f_id = gf.safe_unicode(node["id"])
f_text = gf.safe_unicode(node.text)
text_from_id[f_id] = f_text
ids.append(f_id)
except KeyError:
self.log_warn(u"KeyError while parsing a node")
# sort by ID as requested
id_sort = gf.safe_get(
dictionary=self.parameters,
key=gc.PPN_TASK_IS_TEXT_UNPARSED_ID_SORT,
default_value=IDSortingAlgorithm.UNSORTED,
can_return_none=False
)
self.log([u"Sorting text fragments using '%s'", id_sort])
sorted_ids = IDSortingAlgorithm(id_sort).sort(ids)
# append to fragments
self.log(u"Appending fragments")
self._create_text_fragments([(key, [text_from_id[key]]) for key in sorted_ids]) | python | def _read_unparsed(self, lines):
from bs4 import BeautifulSoup
def filter_attributes():
""" Return a dict with the bs4 filter parameters """
attributes = {}
for attribute_name, filter_name in [
("class", gc.PPN_TASK_IS_TEXT_UNPARSED_CLASS_REGEX),
("id", gc.PPN_TASK_IS_TEXT_UNPARSED_ID_REGEX)
]:
if filter_name in self.parameters:
regex_string = self.parameters[filter_name]
if regex_string is not None:
self.log([u"Regex for %s: '%s'", attribute_name, regex_string])
regex = re.compile(r".*\b" + regex_string + r"\b.*")
attributes[attribute_name] = regex
return attributes
#
# TODO better and/or parametric parsing,
# for example, removing tags but keeping text, etc.
#
self.log(u"Parsing fragments from unparsed text format")
# transform text in a soup object
self.log(u"Creating soup")
soup = BeautifulSoup("\n".join(lines), "lxml")
# extract according to class_regex and id_regex
text_from_id = {}
ids = []
filter_attributes = filter_attributes()
self.log([u"Finding elements matching attributes '%s'", filter_attributes])
nodes = soup.findAll(attrs=filter_attributes)
for node in nodes:
try:
f_id = gf.safe_unicode(node["id"])
f_text = gf.safe_unicode(node.text)
text_from_id[f_id] = f_text
ids.append(f_id)
except KeyError:
self.log_warn(u"KeyError while parsing a node")
# sort by ID as requested
id_sort = gf.safe_get(
dictionary=self.parameters,
key=gc.PPN_TASK_IS_TEXT_UNPARSED_ID_SORT,
default_value=IDSortingAlgorithm.UNSORTED,
can_return_none=False
)
self.log([u"Sorting text fragments using '%s'", id_sort])
sorted_ids = IDSortingAlgorithm(id_sort).sort(ids)
# append to fragments
self.log(u"Appending fragments")
self._create_text_fragments([(key, [text_from_id[key]]) for key in sorted_ids]) | [
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246,057 | readbeyond/aeneas | aeneas/textfile.py | TextFile._get_id_format | def _get_id_format(self):
""" Return the id regex from the parameters"""
id_format = gf.safe_get(
self.parameters,
gc.PPN_TASK_OS_FILE_ID_REGEX,
self.DEFAULT_ID_FORMAT,
can_return_none=False
)
try:
identifier = id_format % 1
except (TypeError, ValueError) as exc:
self.log_exc(u"String '%s' is not a valid id format" % (id_format), exc, True, ValueError)
return id_format | python | def _get_id_format(self):
id_format = gf.safe_get(
self.parameters,
gc.PPN_TASK_OS_FILE_ID_REGEX,
self.DEFAULT_ID_FORMAT,
can_return_none=False
)
try:
identifier = id_format % 1
except (TypeError, ValueError) as exc:
self.log_exc(u"String '%s' is not a valid id format" % (id_format), exc, True, ValueError)
return id_format | [
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246,058 | readbeyond/aeneas | aeneas/textfile.py | TextFile._create_text_fragments | def _create_text_fragments(self, pairs):
"""
Create text fragment objects and append them to this list.
:param list pairs: a list of pairs, each pair being (id, [line_1, ..., line_n])
"""
self.log(u"Creating TextFragment objects")
text_filter = self._build_text_filter()
for pair in pairs:
self.add_fragment(
TextFragment(
identifier=pair[0],
lines=pair[1],
filtered_lines=text_filter.apply_filter(pair[1])
)
) | python | def _create_text_fragments(self, pairs):
self.log(u"Creating TextFragment objects")
text_filter = self._build_text_filter()
for pair in pairs:
self.add_fragment(
TextFragment(
identifier=pair[0],
lines=pair[1],
filtered_lines=text_filter.apply_filter(pair[1])
)
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246,059 | readbeyond/aeneas | aeneas/textfile.py | TextFile._build_text_filter | def _build_text_filter(self):
"""
Build a suitable TextFilter object.
"""
text_filter = TextFilter(logger=self.logger)
self.log(u"Created TextFilter object")
for key, cls, param_name in [
(
gc.PPN_TASK_IS_TEXT_FILE_IGNORE_REGEX,
TextFilterIgnoreRegex,
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),
(
gc.PPN_TASK_IS_TEXT_FILE_TRANSLITERATE_MAP,
TextFilterTransliterate,
"map_file_path"
)
]:
cls_name = cls.__name__
param_value = gf.safe_get(self.parameters, key, None)
if param_value is not None:
self.log([u"Creating %s object...", cls_name])
params = {
param_name: param_value,
"logger": self.logger
}
try:
inner_filter = cls(**params)
text_filter.add_filter(inner_filter)
self.log([u"Creating %s object... done", cls_name])
except ValueError as exc:
self.log_exc(u"Creating %s object failed" % (cls_name), exc, False, None)
return text_filter | python | def _build_text_filter(self):
text_filter = TextFilter(logger=self.logger)
self.log(u"Created TextFilter object")
for key, cls, param_name in [
(
gc.PPN_TASK_IS_TEXT_FILE_IGNORE_REGEX,
TextFilterIgnoreRegex,
"regex"
),
(
gc.PPN_TASK_IS_TEXT_FILE_TRANSLITERATE_MAP,
TextFilterTransliterate,
"map_file_path"
)
]:
cls_name = cls.__name__
param_value = gf.safe_get(self.parameters, key, None)
if param_value is not None:
self.log([u"Creating %s object...", cls_name])
params = {
param_name: param_value,
"logger": self.logger
}
try:
inner_filter = cls(**params)
text_filter.add_filter(inner_filter)
self.log([u"Creating %s object... done", cls_name])
except ValueError as exc:
self.log_exc(u"Creating %s object failed" % (cls_name), exc, False, None)
return text_filter | [
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246,060 | readbeyond/aeneas | aeneas/textfile.py | TextFilter.add_filter | def add_filter(self, new_filter, as_last=True):
"""
Compose this filter with the given ``new_filter`` filter.
:param new_filter: the filter to be composed
:type new_filter: :class:`~aeneas.textfile.TextFilter`
:param bool as_last: if ``True``, compose to the right, otherwise to the left
"""
if as_last:
self.filters.append(new_filter)
else:
self.filters = [new_filter] + self.filters | python | def add_filter(self, new_filter, as_last=True):
if as_last:
self.filters.append(new_filter)
else:
self.filters = [new_filter] + self.filters | [
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246,061 | readbeyond/aeneas | aeneas/textfile.py | TextFilter.apply_filter | def apply_filter(self, strings):
"""
Apply the text filter filter to the given list of strings.
:param list strings: the list of input strings
"""
result = strings
for filt in self.filters:
result = filt.apply_filter(result)
self.log([u"Applying regex: '%s' => '%s'", strings, result])
return result | python | def apply_filter(self, strings):
result = strings
for filt in self.filters:
result = filt.apply_filter(result)
self.log([u"Applying regex: '%s' => '%s'", strings, result])
return result | [
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246,062 | readbeyond/aeneas | aeneas/textfile.py | TransliterationMap._build_map | def _build_map(self):
"""
Read the map file at path.
"""
if gf.is_py2_narrow_build():
self.log_warn(u"Running on a Python 2 narrow build: be aware that Unicode chars above 0x10000 cannot be replaced correctly.")
self.trans_map = {}
with io.open(self.file_path, "r", encoding="utf-8") as file_obj:
contents = file_obj.read().replace(u"\t", u" ")
for line in contents.splitlines():
# ignore lines starting with "#" or blank (after stripping)
if not line.startswith(u"#"):
line = line.strip()
if len(line) > 0:
self._process_map_rule(line) | python | def _build_map(self):
if gf.is_py2_narrow_build():
self.log_warn(u"Running on a Python 2 narrow build: be aware that Unicode chars above 0x10000 cannot be replaced correctly.")
self.trans_map = {}
with io.open(self.file_path, "r", encoding="utf-8") as file_obj:
contents = file_obj.read().replace(u"\t", u" ")
for line in contents.splitlines():
# ignore lines starting with "#" or blank (after stripping)
if not line.startswith(u"#"):
line = line.strip()
if len(line) > 0:
self._process_map_rule(line) | [
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] | 9d95535ad63eef4a98530cfdff033b8c35315ee1 | https://github.com/readbeyond/aeneas/blob/9d95535ad63eef4a98530cfdff033b8c35315ee1/aeneas/textfile.py#L1241-L1255 |
246,063 | readbeyond/aeneas | aeneas/textfile.py | TransliterationMap._process_map_rule | def _process_map_rule(self, line):
"""
Process the line string containing a map rule.
"""
result = self.REPLACE_REGEX.match(line)
if result is not None:
what = self._process_first_group(result.group(1))
replacement = self._process_second_group(result.group(2))
for char in what:
self.trans_map[char] = replacement
self.log([u"Adding rule: replace '%s' with '%s'", char, replacement])
else:
result = self.DELETE_REGEX.match(line)
if result is not None:
what = self._process_first_group(result.group(1))
for char in what:
self.trans_map[char] = ""
self.log([u"Adding rule: delete '%s'", char]) | python | def _process_map_rule(self, line):
result = self.REPLACE_REGEX.match(line)
if result is not None:
what = self._process_first_group(result.group(1))
replacement = self._process_second_group(result.group(2))
for char in what:
self.trans_map[char] = replacement
self.log([u"Adding rule: replace '%s' with '%s'", char, replacement])
else:
result = self.DELETE_REGEX.match(line)
if result is not None:
what = self._process_first_group(result.group(1))
for char in what:
self.trans_map[char] = ""
self.log([u"Adding rule: delete '%s'", char]) | [
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246,064 | readbeyond/aeneas | aeneas/textfile.py | TransliterationMap._process_first_group | def _process_first_group(self, group):
"""
Process the first group of a rule.
"""
if "-" in group:
# range
if len(group.split("-")) == 2:
arr = group.split("-")
start = self._parse_codepoint(arr[0])
end = self._parse_codepoint(arr[1])
else:
# single char/U+xxxx
start = self._parse_codepoint(group)
end = start
result = []
if (start > -1) and (end >= start):
for index in range(start, end + 1):
result.append(gf.safe_unichr(index))
return result | python | def _process_first_group(self, group):
if "-" in group:
# range
if len(group.split("-")) == 2:
arr = group.split("-")
start = self._parse_codepoint(arr[0])
end = self._parse_codepoint(arr[1])
else:
# single char/U+xxxx
start = self._parse_codepoint(group)
end = start
result = []
if (start > -1) and (end >= start):
for index in range(start, end + 1):
result.append(gf.safe_unichr(index))
return result | [
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246,065 | readbeyond/aeneas | aeneas/executejob.py | ExecuteJob.load_job | def load_job(self, job):
"""
Load the job from the given ``Job`` object.
:param job: the job to load
:type job: :class:`~aeneas.job.Job`
:raises: :class:`~aeneas.executejob.ExecuteJobInputError`: if ``job`` is not an instance of :class:`~aeneas.job.Job`
"""
if not isinstance(job, Job):
self.log_exc(u"job is not an instance of Job", None, True, ExecuteJobInputError)
self.job = job | python | def load_job(self, job):
if not isinstance(job, Job):
self.log_exc(u"job is not an instance of Job", None, True, ExecuteJobInputError)
self.job = job | [
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:param job: the job to load
:type job: :class:`~aeneas.job.Job`
:raises: :class:`~aeneas.executejob.ExecuteJobInputError`: if ``job`` is not an instance of :class:`~aeneas.job.Job` | [
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246,066 | readbeyond/aeneas | aeneas/executejob.py | ExecuteJob.execute | def execute(self):
"""
Execute the job, that is, execute all of its tasks.
Each produced sync map will be stored
inside the corresponding task object.
:raises: :class:`~aeneas.executejob.ExecuteJobExecutionError`: if there is a problem during the job execution
"""
self.log(u"Executing job")
if self.job is None:
self.log_exc(u"The job object is None", None, True, ExecuteJobExecutionError)
if len(self.job) == 0:
self.log_exc(u"The job has no tasks", None, True, ExecuteJobExecutionError)
job_max_tasks = self.rconf[RuntimeConfiguration.JOB_MAX_TASKS]
if (job_max_tasks > 0) and (len(self.job) > job_max_tasks):
self.log_exc(u"The Job has %d Tasks, more than the maximum allowed (%d)." % (len(self.job), job_max_tasks), None, True, ExecuteJobExecutionError)
self.log([u"Number of tasks: '%d'", len(self.job)])
for task in self.job.tasks:
try:
custom_id = task.configuration["custom_id"]
self.log([u"Executing task '%s'...", custom_id])
executor = ExecuteTask(task, rconf=self.rconf, logger=self.logger)
executor.execute()
self.log([u"Executing task '%s'... done", custom_id])
except Exception as exc:
self.log_exc(u"Error while executing task '%s'" % (custom_id), exc, True, ExecuteJobExecutionError)
self.log(u"Executing task: succeeded")
self.log(u"Executing job: succeeded") | python | def execute(self):
self.log(u"Executing job")
if self.job is None:
self.log_exc(u"The job object is None", None, True, ExecuteJobExecutionError)
if len(self.job) == 0:
self.log_exc(u"The job has no tasks", None, True, ExecuteJobExecutionError)
job_max_tasks = self.rconf[RuntimeConfiguration.JOB_MAX_TASKS]
if (job_max_tasks > 0) and (len(self.job) > job_max_tasks):
self.log_exc(u"The Job has %d Tasks, more than the maximum allowed (%d)." % (len(self.job), job_max_tasks), None, True, ExecuteJobExecutionError)
self.log([u"Number of tasks: '%d'", len(self.job)])
for task in self.job.tasks:
try:
custom_id = task.configuration["custom_id"]
self.log([u"Executing task '%s'...", custom_id])
executor = ExecuteTask(task, rconf=self.rconf, logger=self.logger)
executor.execute()
self.log([u"Executing task '%s'... done", custom_id])
except Exception as exc:
self.log_exc(u"Error while executing task '%s'" % (custom_id), exc, True, ExecuteJobExecutionError)
self.log(u"Executing task: succeeded")
self.log(u"Executing job: succeeded") | [
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Each produced sync map will be stored
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246,067 | readbeyond/aeneas | aeneas/executejob.py | ExecuteJob.write_output_container | def write_output_container(self, output_directory_path):
"""
Write the output container for this job.
Return the path to output container,
which is the concatenation of ``output_directory_path``
and of the output container file or directory name.
:param string output_directory_path: the path to a directory where
the output container must be created
:rtype: string
:raises: :class:`~aeneas.executejob.ExecuteJobOutputError`: if there is a problem while writing the output container
"""
self.log(u"Writing output container for this job")
if self.job is None:
self.log_exc(u"The job object is None", None, True, ExecuteJobOutputError)
if len(self.job) == 0:
self.log_exc(u"The job has no tasks", None, True, ExecuteJobOutputError)
self.log([u"Number of tasks: '%d'", len(self.job)])
# create temporary directory where the sync map files
# will be created
# this temporary directory will be compressed into
# the output container
self.tmp_directory = gf.tmp_directory(root=self.rconf[RuntimeConfiguration.TMP_PATH])
self.log([u"Created temporary directory '%s'", self.tmp_directory])
for task in self.job.tasks:
custom_id = task.configuration["custom_id"]
# check if the task has sync map and sync map file path
if task.sync_map_file_path is None:
self.log_exc(u"Task '%s' has sync_map_file_path not set" % (custom_id), None, True, ExecuteJobOutputError)
if task.sync_map is None:
self.log_exc(u"Task '%s' has sync_map not set" % (custom_id), None, True, ExecuteJobOutputError)
try:
# output sync map
self.log([u"Outputting sync map for task '%s'...", custom_id])
task.output_sync_map_file(self.tmp_directory)
self.log([u"Outputting sync map for task '%s'... done", custom_id])
except Exception as exc:
self.log_exc(u"Error while outputting sync map for task '%s'" % (custom_id), None, True, ExecuteJobOutputError)
# get output container info
output_container_format = self.job.configuration["o_container_format"]
self.log([u"Output container format: '%s'", output_container_format])
output_file_name = self.job.configuration["o_name"]
if ((output_container_format != ContainerFormat.UNPACKED) and
(not output_file_name.endswith(output_container_format))):
self.log(u"Adding extension to output_file_name")
output_file_name += "." + output_container_format
self.log([u"Output file name: '%s'", output_file_name])
output_file_path = gf.norm_join(
output_directory_path,
output_file_name
)
self.log([u"Output file path: '%s'", output_file_path])
try:
self.log(u"Compressing...")
container = Container(
output_file_path,
output_container_format,
logger=self.logger
)
container.compress(self.tmp_directory)
self.log(u"Compressing... done")
self.log([u"Created output file: '%s'", output_file_path])
self.log(u"Writing output container for this job: succeeded")
self.clean(False)
return output_file_path
except Exception as exc:
self.clean(False)
self.log_exc(u"Error while compressing", exc, True, ExecuteJobOutputError)
return None | python | def write_output_container(self, output_directory_path):
self.log(u"Writing output container for this job")
if self.job is None:
self.log_exc(u"The job object is None", None, True, ExecuteJobOutputError)
if len(self.job) == 0:
self.log_exc(u"The job has no tasks", None, True, ExecuteJobOutputError)
self.log([u"Number of tasks: '%d'", len(self.job)])
# create temporary directory where the sync map files
# will be created
# this temporary directory will be compressed into
# the output container
self.tmp_directory = gf.tmp_directory(root=self.rconf[RuntimeConfiguration.TMP_PATH])
self.log([u"Created temporary directory '%s'", self.tmp_directory])
for task in self.job.tasks:
custom_id = task.configuration["custom_id"]
# check if the task has sync map and sync map file path
if task.sync_map_file_path is None:
self.log_exc(u"Task '%s' has sync_map_file_path not set" % (custom_id), None, True, ExecuteJobOutputError)
if task.sync_map is None:
self.log_exc(u"Task '%s' has sync_map not set" % (custom_id), None, True, ExecuteJobOutputError)
try:
# output sync map
self.log([u"Outputting sync map for task '%s'...", custom_id])
task.output_sync_map_file(self.tmp_directory)
self.log([u"Outputting sync map for task '%s'... done", custom_id])
except Exception as exc:
self.log_exc(u"Error while outputting sync map for task '%s'" % (custom_id), None, True, ExecuteJobOutputError)
# get output container info
output_container_format = self.job.configuration["o_container_format"]
self.log([u"Output container format: '%s'", output_container_format])
output_file_name = self.job.configuration["o_name"]
if ((output_container_format != ContainerFormat.UNPACKED) and
(not output_file_name.endswith(output_container_format))):
self.log(u"Adding extension to output_file_name")
output_file_name += "." + output_container_format
self.log([u"Output file name: '%s'", output_file_name])
output_file_path = gf.norm_join(
output_directory_path,
output_file_name
)
self.log([u"Output file path: '%s'", output_file_path])
try:
self.log(u"Compressing...")
container = Container(
output_file_path,
output_container_format,
logger=self.logger
)
container.compress(self.tmp_directory)
self.log(u"Compressing... done")
self.log([u"Created output file: '%s'", output_file_path])
self.log(u"Writing output container for this job: succeeded")
self.clean(False)
return output_file_path
except Exception as exc:
self.clean(False)
self.log_exc(u"Error while compressing", exc, True, ExecuteJobOutputError)
return None | [
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:param string output_directory_path: the path to a directory where
the output container must be created
:rtype: string
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246,068 | readbeyond/aeneas | aeneas/executejob.py | ExecuteJob.clean | def clean(self, remove_working_directory=True):
"""
Remove the temporary directory.
If ``remove_working_directory`` is ``True``
remove the working directory as well,
otherwise just remove the temporary directory.
:param bool remove_working_directory: if ``True``, remove
the working directory as well
"""
if remove_working_directory is not None:
self.log(u"Removing working directory... ")
gf.delete_directory(self.working_directory)
self.working_directory = None
self.log(u"Removing working directory... done")
self.log(u"Removing temporary directory... ")
gf.delete_directory(self.tmp_directory)
self.tmp_directory = None
self.log(u"Removing temporary directory... done") | python | def clean(self, remove_working_directory=True):
if remove_working_directory is not None:
self.log(u"Removing working directory... ")
gf.delete_directory(self.working_directory)
self.working_directory = None
self.log(u"Removing working directory... done")
self.log(u"Removing temporary directory... ")
gf.delete_directory(self.tmp_directory)
self.tmp_directory = None
self.log(u"Removing temporary directory... done") | [
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246,069 | readbeyond/aeneas | aeneas/tools/plot_waveform.py | PlotWaveformCLI._read_syncmap_file | def _read_syncmap_file(self, path, extension, text=False):
""" Read labels from a SyncMap file """
syncmap = SyncMap(logger=self.logger)
syncmap.read(extension, path, parameters=None)
if text:
return [(f.begin, f.end, u" ".join(f.text_fragment.lines)) for f in syncmap.fragments]
return [(f.begin, f.end, f.text_fragment.identifier) for f in syncmap.fragments] | python | def _read_syncmap_file(self, path, extension, text=False):
syncmap = SyncMap(logger=self.logger)
syncmap.read(extension, path, parameters=None)
if text:
return [(f.begin, f.end, u" ".join(f.text_fragment.lines)) for f in syncmap.fragments]
return [(f.begin, f.end, f.text_fragment.identifier) for f in syncmap.fragments] | [
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246,070 | readbeyond/aeneas | aeneas/syncmap/__init__.py | SyncMap.has_adjacent_leaves_only | def has_adjacent_leaves_only(self):
"""
Return ``True`` if the sync map fragments
which are the leaves of the sync map tree
are all adjacent.
:rtype: bool
.. versionadded:: 1.7.0
"""
leaves = self.leaves()
for i in range(len(leaves) - 1):
current_interval = leaves[i].interval
next_interval = leaves[i + 1].interval
if not current_interval.is_adjacent_before(next_interval):
return False
return True | python | def has_adjacent_leaves_only(self):
leaves = self.leaves()
for i in range(len(leaves) - 1):
current_interval = leaves[i].interval
next_interval = leaves[i + 1].interval
if not current_interval.is_adjacent_before(next_interval):
return False
return True | [
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246,071 | readbeyond/aeneas | aeneas/syncmap/__init__.py | SyncMap.json_string | def json_string(self):
"""
Return a JSON representation of the sync map.
:rtype: string
.. versionadded:: 1.3.1
"""
def visit_children(node):
""" Recursively visit the fragments_tree """
output_fragments = []
for child in node.children_not_empty:
fragment = child.value
text = fragment.text_fragment
output_fragments.append({
"id": text.identifier,
"language": text.language,
"lines": text.lines,
"begin": gf.time_to_ssmmm(fragment.begin),
"end": gf.time_to_ssmmm(fragment.end),
"children": visit_children(child)
})
return output_fragments
output_fragments = visit_children(self.fragments_tree)
return gf.safe_unicode(
json.dumps({"fragments": output_fragments}, indent=1, sort_keys=True)
) | python | def json_string(self):
def visit_children(node):
""" Recursively visit the fragments_tree """
output_fragments = []
for child in node.children_not_empty:
fragment = child.value
text = fragment.text_fragment
output_fragments.append({
"id": text.identifier,
"language": text.language,
"lines": text.lines,
"begin": gf.time_to_ssmmm(fragment.begin),
"end": gf.time_to_ssmmm(fragment.end),
"children": visit_children(child)
})
return output_fragments
output_fragments = visit_children(self.fragments_tree)
return gf.safe_unicode(
json.dumps({"fragments": output_fragments}, indent=1, sort_keys=True)
) | [
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246,072 | readbeyond/aeneas | aeneas/syncmap/__init__.py | SyncMap.add_fragment | def add_fragment(self, fragment, as_last=True):
"""
Add the given sync map fragment,
as the first or last child of the root node
of the sync map tree.
:param fragment: the sync map fragment to be added
:type fragment: :class:`~aeneas.syncmap.fragment.SyncMapFragment`
:param bool as_last: if ``True``, append fragment; otherwise prepend it
:raises: TypeError: if ``fragment`` is ``None`` or
it is not an instance of :class:`~aeneas.syncmap.fragment.SyncMapFragment`
"""
if not isinstance(fragment, SyncMapFragment):
self.log_exc(u"fragment is not an instance of SyncMapFragment", None, True, TypeError)
self.fragments_tree.add_child(Tree(value=fragment), as_last=as_last) | python | def add_fragment(self, fragment, as_last=True):
if not isinstance(fragment, SyncMapFragment):
self.log_exc(u"fragment is not an instance of SyncMapFragment", None, True, TypeError)
self.fragments_tree.add_child(Tree(value=fragment), as_last=as_last) | [
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246,073 | readbeyond/aeneas | aeneas/syncmap/__init__.py | SyncMap.output_html_for_tuning | def output_html_for_tuning(
self,
audio_file_path,
output_file_path,
parameters=None
):
"""
Output an HTML file for fine tuning the sync map manually.
:param string audio_file_path: the path to the associated audio file
:param string output_file_path: the path to the output file to write
:param dict parameters: additional parameters
.. versionadded:: 1.3.1
"""
if not gf.file_can_be_written(output_file_path):
self.log_exc(u"Cannot output HTML file '%s'. Wrong permissions?" % (output_file_path), None, True, OSError)
if parameters is None:
parameters = {}
audio_file_path_absolute = gf.fix_slash(os.path.abspath(audio_file_path))
template_path_absolute = gf.absolute_path(self.FINETUNEAS_PATH, __file__)
with io.open(template_path_absolute, "r", encoding="utf-8") as file_obj:
template = file_obj.read()
for repl in self.FINETUNEAS_REPLACEMENTS:
template = template.replace(repl[0], repl[1])
template = template.replace(
self.FINETUNEAS_REPLACE_AUDIOFILEPATH,
u"audioFilePath = \"file://%s\";" % audio_file_path_absolute
)
template = template.replace(
self.FINETUNEAS_REPLACE_FRAGMENTS,
u"fragments = (%s).fragments;" % self.json_string
)
if gc.PPN_TASK_OS_FILE_FORMAT in parameters:
output_format = parameters[gc.PPN_TASK_OS_FILE_FORMAT]
if output_format in self.FINETUNEAS_ALLOWED_FORMATS:
template = template.replace(
self.FINETUNEAS_REPLACE_OUTPUT_FORMAT,
u"outputFormat = \"%s\";" % output_format
)
if output_format == "smil":
for key, placeholder, replacement in [
(
gc.PPN_TASK_OS_FILE_SMIL_AUDIO_REF,
self.FINETUNEAS_REPLACE_SMIL_AUDIOREF,
"audioref = \"%s\";"
),
(
gc.PPN_TASK_OS_FILE_SMIL_PAGE_REF,
self.FINETUNEAS_REPLACE_SMIL_PAGEREF,
"pageref = \"%s\";"
),
]:
if key in parameters:
template = template.replace(
placeholder,
replacement % parameters[key]
)
with io.open(output_file_path, "w", encoding="utf-8") as file_obj:
file_obj.write(template) | python | def output_html_for_tuning(
self,
audio_file_path,
output_file_path,
parameters=None
):
if not gf.file_can_be_written(output_file_path):
self.log_exc(u"Cannot output HTML file '%s'. Wrong permissions?" % (output_file_path), None, True, OSError)
if parameters is None:
parameters = {}
audio_file_path_absolute = gf.fix_slash(os.path.abspath(audio_file_path))
template_path_absolute = gf.absolute_path(self.FINETUNEAS_PATH, __file__)
with io.open(template_path_absolute, "r", encoding="utf-8") as file_obj:
template = file_obj.read()
for repl in self.FINETUNEAS_REPLACEMENTS:
template = template.replace(repl[0], repl[1])
template = template.replace(
self.FINETUNEAS_REPLACE_AUDIOFILEPATH,
u"audioFilePath = \"file://%s\";" % audio_file_path_absolute
)
template = template.replace(
self.FINETUNEAS_REPLACE_FRAGMENTS,
u"fragments = (%s).fragments;" % self.json_string
)
if gc.PPN_TASK_OS_FILE_FORMAT in parameters:
output_format = parameters[gc.PPN_TASK_OS_FILE_FORMAT]
if output_format in self.FINETUNEAS_ALLOWED_FORMATS:
template = template.replace(
self.FINETUNEAS_REPLACE_OUTPUT_FORMAT,
u"outputFormat = \"%s\";" % output_format
)
if output_format == "smil":
for key, placeholder, replacement in [
(
gc.PPN_TASK_OS_FILE_SMIL_AUDIO_REF,
self.FINETUNEAS_REPLACE_SMIL_AUDIOREF,
"audioref = \"%s\";"
),
(
gc.PPN_TASK_OS_FILE_SMIL_PAGE_REF,
self.FINETUNEAS_REPLACE_SMIL_PAGEREF,
"pageref = \"%s\";"
),
]:
if key in parameters:
template = template.replace(
placeholder,
replacement % parameters[key]
)
with io.open(output_file_path, "w", encoding="utf-8") as file_obj:
file_obj.write(template) | [
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:param string audio_file_path: the path to the associated audio file
:param string output_file_path: the path to the output file to write
:param dict parameters: additional parameters
.. versionadded:: 1.3.1 | [
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246,074 | readbeyond/aeneas | aeneas/mfcc.py | MFCC._create_dct_matrix | def _create_dct_matrix(self):
"""
Create the not-quite-DCT matrix as used by Sphinx,
and store it in ```self.s2dct```.
"""
self.s2dct = numpy.zeros((self.mfcc_size, self.filter_bank_size))
for i in range(0, self.mfcc_size):
freq = numpy.pi * float(i) / self.filter_bank_size
self.s2dct[i] = numpy.cos(freq * numpy.arange(0.5, 0.5 + self.filter_bank_size, 1.0, 'float64'))
self.s2dct[:, 0] *= 0.5
self.s2dct = self.s2dct.transpose() | python | def _create_dct_matrix(self):
self.s2dct = numpy.zeros((self.mfcc_size, self.filter_bank_size))
for i in range(0, self.mfcc_size):
freq = numpy.pi * float(i) / self.filter_bank_size
self.s2dct[i] = numpy.cos(freq * numpy.arange(0.5, 0.5 + self.filter_bank_size, 1.0, 'float64'))
self.s2dct[:, 0] *= 0.5
self.s2dct = self.s2dct.transpose() | [
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246,075 | readbeyond/aeneas | aeneas/mfcc.py | MFCC._create_mel_filter_bank | def _create_mel_filter_bank(self):
"""
Create the Mel filter bank,
and store it in ``self.filters``.
Note that it is a function of the audio sample rate,
so it cannot be created in the class initializer,
but only later in :func:`aeneas.mfcc.MFCC.compute_from_data`.
"""
self.filters = numpy.zeros((1 + (self.fft_order // 2), self.filter_bank_size), 'd')
dfreq = float(self.sample_rate) / self.fft_order
nyquist_frequency = self.sample_rate / 2
if self.upper_frequency > nyquist_frequency:
self.log_exc(u"Upper frequency %f exceeds Nyquist frequency %f" % (self.upper_frequency, nyquist_frequency), None, True, ValueError)
melmax = MFCC._hz2mel(self.upper_frequency)
melmin = MFCC._hz2mel(self.lower_frequency)
dmelbw = (melmax - melmin) / (self.filter_bank_size + 1)
filt_edge = MFCC._mel2hz(melmin + dmelbw * numpy.arange(self.filter_bank_size + 2, dtype='d'))
# TODO can this code be written more numpy-style?
# (the performance loss is negligible, it is just ugly to see)
for whichfilt in range(0, self.filter_bank_size):
# int() casts to native int instead of working with numpy.float64
leftfr = int(round(filt_edge[whichfilt] / dfreq))
centerfr = int(round(filt_edge[whichfilt + 1] / dfreq))
rightfr = int(round(filt_edge[whichfilt + 2] / dfreq))
fwidth = (rightfr - leftfr) * dfreq
height = 2.0 / fwidth
if centerfr != leftfr:
leftslope = height / (centerfr - leftfr)
else:
leftslope = 0
freq = leftfr + 1
while freq < centerfr:
self.filters[freq, whichfilt] = (freq - leftfr) * leftslope
freq = freq + 1
# the next if should always be true!
if freq == centerfr:
self.filters[freq, whichfilt] = height
freq = freq + 1
if centerfr != rightfr:
rightslope = height / (centerfr - rightfr)
while freq < rightfr:
self.filters[freq, whichfilt] = (freq - rightfr) * rightslope
freq = freq + 1 | python | def _create_mel_filter_bank(self):
self.filters = numpy.zeros((1 + (self.fft_order // 2), self.filter_bank_size), 'd')
dfreq = float(self.sample_rate) / self.fft_order
nyquist_frequency = self.sample_rate / 2
if self.upper_frequency > nyquist_frequency:
self.log_exc(u"Upper frequency %f exceeds Nyquist frequency %f" % (self.upper_frequency, nyquist_frequency), None, True, ValueError)
melmax = MFCC._hz2mel(self.upper_frequency)
melmin = MFCC._hz2mel(self.lower_frequency)
dmelbw = (melmax - melmin) / (self.filter_bank_size + 1)
filt_edge = MFCC._mel2hz(melmin + dmelbw * numpy.arange(self.filter_bank_size + 2, dtype='d'))
# TODO can this code be written more numpy-style?
# (the performance loss is negligible, it is just ugly to see)
for whichfilt in range(0, self.filter_bank_size):
# int() casts to native int instead of working with numpy.float64
leftfr = int(round(filt_edge[whichfilt] / dfreq))
centerfr = int(round(filt_edge[whichfilt + 1] / dfreq))
rightfr = int(round(filt_edge[whichfilt + 2] / dfreq))
fwidth = (rightfr - leftfr) * dfreq
height = 2.0 / fwidth
if centerfr != leftfr:
leftslope = height / (centerfr - leftfr)
else:
leftslope = 0
freq = leftfr + 1
while freq < centerfr:
self.filters[freq, whichfilt] = (freq - leftfr) * leftslope
freq = freq + 1
# the next if should always be true!
if freq == centerfr:
self.filters[freq, whichfilt] = height
freq = freq + 1
if centerfr != rightfr:
rightslope = height / (centerfr - rightfr)
while freq < rightfr:
self.filters[freq, whichfilt] = (freq - rightfr) * rightslope
freq = freq + 1 | [
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246,076 | readbeyond/aeneas | aeneas/mfcc.py | MFCC._pre_emphasis | def _pre_emphasis(self):
"""
Pre-emphasize the entire signal at once by self.emphasis_factor,
overwriting ``self.data``.
"""
self.data = numpy.append(self.data[0], self.data[1:] - self.emphasis_factor * self.data[:-1]) | python | def _pre_emphasis(self):
self.data = numpy.append(self.data[0], self.data[1:] - self.emphasis_factor * self.data[:-1]) | [
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246,077 | readbeyond/aeneas | aeneas/mfcc.py | MFCC.compute_from_data | def compute_from_data(self, data, sample_rate):
"""
Compute MFCCs for the given audio data.
The audio data must be a 1D :class:`numpy.ndarray`,
that is, it must represent a monoaural (single channel)
array of ``float64`` values in ``[-1.0, 1.0]``.
:param data: the audio data
:type data: :class:`numpy.ndarray` (1D)
:param int sample_rate: the sample rate of the audio data, in samples/s (Hz)
:raises: ValueError: if the data is not a 1D :class:`numpy.ndarray` (i.e., not mono),
or if the data is empty
:raises: ValueError: if the upper frequency defined in the ``rconf`` is
larger than the Nyquist frequenct (i.e., half of ``sample_rate``)
"""
def _process_frame(self, frame):
"""
Process each frame, returning the log(power()) of it.
"""
# apply Hamming window
frame *= self.hamming_window
# compute RFFT
fft = numpy.fft.rfft(frame, self.fft_order)
# equivalent to power = fft.real * fft.real + fft.imag * fft.imag
power = numpy.square(numpy.absolute(fft))
#
# return the log(power()) of the transformed vector
# v1
# COMMENTED logspec = numpy.log(numpy.dot(power, self.filters).clip(self.CUTOFF, numpy.inf))
# COMMENTED return numpy.dot(logspec, self.s2dct) / self.filter_bank_size
# v2
return numpy.log(numpy.dot(power, self.filters).clip(self.CUTOFF, numpy.inf))
if len(data.shape) != 1:
self.log_exc(u"The audio data must be a 1D numpy array (mono).", None, True, ValueError)
if len(data) < 1:
self.log_exc(u"The audio data must not be empty.", None, True, ValueError)
self.data = data
self.sample_rate = sample_rate
# number of samples in the audio
data_length = len(self.data)
# frame length in number of samples
frame_length = int(self.window_length * self.sample_rate)
# frame length must be at least equal to the FFT order
frame_length_padded = max(frame_length, self.fft_order)
# frame shift in number of samples
frame_shift = int(self.window_shift * self.sample_rate)
# number of MFCC vectors (one for each frame)
# this number includes the last shift,
# where the data will be padded with zeros
# if the remaining samples are less than frame_length_padded
number_of_frames = int((1.0 * data_length) / frame_shift)
# create Hamming window
self.hamming_window = numpy.hamming(frame_length_padded)
# build Mel filter bank
self._create_mel_filter_bank()
# pre-emphasize the entire audio data
self._pre_emphasis()
# allocate the MFCCs matrix
# v1
# COMMENTED mfcc = numpy.zeros((number_of_frames, self.mfcc_size), 'float64')
# v2
mfcc = numpy.zeros((number_of_frames, self.filter_bank_size), 'float64')
# compute MFCCs one frame at a time
for frame_index in range(number_of_frames):
# COMMENTED print("Computing frame %d / %d" % (frame_index, number_of_frames))
# get the start and end indices for this frame,
# do not overrun the data length
frame_start = frame_index * frame_shift
frame_end = min(frame_start + frame_length_padded, data_length)
# frame is zero-padded if the remaining samples
# are less than its length
frame = numpy.zeros(frame_length_padded)
frame[0:(frame_end - frame_start)] = self.data[frame_start:frame_end]
# process the frame
mfcc[frame_index] = _process_frame(self, frame)
# v1
# COMMENTED return mfcc
# v2
# return the dot product with the DCT matrix
return numpy.dot(mfcc, self.s2dct) / self.filter_bank_size | python | def compute_from_data(self, data, sample_rate):
def _process_frame(self, frame):
"""
Process each frame, returning the log(power()) of it.
"""
# apply Hamming window
frame *= self.hamming_window
# compute RFFT
fft = numpy.fft.rfft(frame, self.fft_order)
# equivalent to power = fft.real * fft.real + fft.imag * fft.imag
power = numpy.square(numpy.absolute(fft))
#
# return the log(power()) of the transformed vector
# v1
# COMMENTED logspec = numpy.log(numpy.dot(power, self.filters).clip(self.CUTOFF, numpy.inf))
# COMMENTED return numpy.dot(logspec, self.s2dct) / self.filter_bank_size
# v2
return numpy.log(numpy.dot(power, self.filters).clip(self.CUTOFF, numpy.inf))
if len(data.shape) != 1:
self.log_exc(u"The audio data must be a 1D numpy array (mono).", None, True, ValueError)
if len(data) < 1:
self.log_exc(u"The audio data must not be empty.", None, True, ValueError)
self.data = data
self.sample_rate = sample_rate
# number of samples in the audio
data_length = len(self.data)
# frame length in number of samples
frame_length = int(self.window_length * self.sample_rate)
# frame length must be at least equal to the FFT order
frame_length_padded = max(frame_length, self.fft_order)
# frame shift in number of samples
frame_shift = int(self.window_shift * self.sample_rate)
# number of MFCC vectors (one for each frame)
# this number includes the last shift,
# where the data will be padded with zeros
# if the remaining samples are less than frame_length_padded
number_of_frames = int((1.0 * data_length) / frame_shift)
# create Hamming window
self.hamming_window = numpy.hamming(frame_length_padded)
# build Mel filter bank
self._create_mel_filter_bank()
# pre-emphasize the entire audio data
self._pre_emphasis()
# allocate the MFCCs matrix
# v1
# COMMENTED mfcc = numpy.zeros((number_of_frames, self.mfcc_size), 'float64')
# v2
mfcc = numpy.zeros((number_of_frames, self.filter_bank_size), 'float64')
# compute MFCCs one frame at a time
for frame_index in range(number_of_frames):
# COMMENTED print("Computing frame %d / %d" % (frame_index, number_of_frames))
# get the start and end indices for this frame,
# do not overrun the data length
frame_start = frame_index * frame_shift
frame_end = min(frame_start + frame_length_padded, data_length)
# frame is zero-padded if the remaining samples
# are less than its length
frame = numpy.zeros(frame_length_padded)
frame[0:(frame_end - frame_start)] = self.data[frame_start:frame_end]
# process the frame
mfcc[frame_index] = _process_frame(self, frame)
# v1
# COMMENTED return mfcc
# v2
# return the dot product with the DCT matrix
return numpy.dot(mfcc, self.s2dct) / self.filter_bank_size | [
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246,078 | readbeyond/aeneas | aeneas/wavfile.py | write | def write(filename, rate, data):
"""
Write a numpy array as a WAV file
Parameters
----------
filename : string or open file handle
Output wav file
rate : int
The sample rate (in samples/sec).
data : ndarray
A 1-D or 2-D numpy array of either integer or float data-type.
Notes
-----
* The file can be an open file or a filename.
* Writes a simple uncompressed WAV file.
* The bits-per-sample will be determined by the data-type.
* To write multiple-channels, use a 2-D array of shape
(Nsamples, Nchannels).
"""
if hasattr(filename, 'write'):
fid = filename
else:
fid = open(filename, 'wb')
try:
dkind = data.dtype.kind
if not (dkind == 'i' or dkind == 'f' or (dkind == 'u' and
data.dtype.itemsize == 1)):
raise ValueError("Unsupported data type '%s'" % data.dtype)
fid.write(b'RIFF')
fid.write(b'\x00\x00\x00\x00')
fid.write(b'WAVE')
# fmt chunk
fid.write(b'fmt ')
if dkind == 'f':
comp = 3
else:
comp = 1
if data.ndim == 1:
noc = 1
else:
noc = data.shape[1]
bits = data.dtype.itemsize * 8
sbytes = rate * (bits // 8) * noc
ba = noc * (bits // 8)
fid.write(struct.pack('<ihHIIHH', 16, comp, noc, rate, sbytes,
ba, bits))
# data chunk
fid.write(b'data')
fid.write(struct.pack('<i', data.nbytes))
if data.dtype.byteorder == '>' or (data.dtype.byteorder == '=' and
sys.byteorder == 'big'):
data = data.byteswap()
_array_tofile(fid, data)
# Determine file size and place it in correct
# position at start of the file.
size = fid.tell()
fid.seek(4)
fid.write(struct.pack('<i', size - 8))
finally:
if not hasattr(filename, 'write'):
fid.close()
else:
fid.seek(0) | python | def write(filename, rate, data):
if hasattr(filename, 'write'):
fid = filename
else:
fid = open(filename, 'wb')
try:
dkind = data.dtype.kind
if not (dkind == 'i' or dkind == 'f' or (dkind == 'u' and
data.dtype.itemsize == 1)):
raise ValueError("Unsupported data type '%s'" % data.dtype)
fid.write(b'RIFF')
fid.write(b'\x00\x00\x00\x00')
fid.write(b'WAVE')
# fmt chunk
fid.write(b'fmt ')
if dkind == 'f':
comp = 3
else:
comp = 1
if data.ndim == 1:
noc = 1
else:
noc = data.shape[1]
bits = data.dtype.itemsize * 8
sbytes = rate * (bits // 8) * noc
ba = noc * (bits // 8)
fid.write(struct.pack('<ihHIIHH', 16, comp, noc, rate, sbytes,
ba, bits))
# data chunk
fid.write(b'data')
fid.write(struct.pack('<i', data.nbytes))
if data.dtype.byteorder == '>' or (data.dtype.byteorder == '=' and
sys.byteorder == 'big'):
data = data.byteswap()
_array_tofile(fid, data)
# Determine file size and place it in correct
# position at start of the file.
size = fid.tell()
fid.seek(4)
fid.write(struct.pack('<i', size - 8))
finally:
if not hasattr(filename, 'write'):
fid.close()
else:
fid.seek(0) | [
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246,079 | readbeyond/aeneas | aeneas/globalfunctions.py | safe_print | def safe_print(msg):
"""
Safely print a given Unicode string to stdout,
possibly replacing characters non-printable
in the current stdout encoding.
:param string msg: the message
"""
try:
print(msg)
except UnicodeEncodeError:
try:
# NOTE encoding and decoding so that in Python 3 no b"..." is printed
encoded = msg.encode(sys.stdout.encoding, "replace")
decoded = encoded.decode(sys.stdout.encoding, "replace")
print(decoded)
except (UnicodeDecodeError, UnicodeEncodeError):
print(u"[ERRO] An unexpected error happened while printing to stdout.")
print(u"[ERRO] Please check that your file/string encoding matches the shell encoding.")
print(u"[ERRO] If possible, set your shell encoding to UTF-8 and convert any files with legacy encodings.") | python | def safe_print(msg):
try:
print(msg)
except UnicodeEncodeError:
try:
# NOTE encoding and decoding so that in Python 3 no b"..." is printed
encoded = msg.encode(sys.stdout.encoding, "replace")
decoded = encoded.decode(sys.stdout.encoding, "replace")
print(decoded)
except (UnicodeDecodeError, UnicodeEncodeError):
print(u"[ERRO] An unexpected error happened while printing to stdout.")
print(u"[ERRO] Please check that your file/string encoding matches the shell encoding.")
print(u"[ERRO] If possible, set your shell encoding to UTF-8 and convert any files with legacy encodings.") | [
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246,080 | readbeyond/aeneas | aeneas/globalfunctions.py | print_error | def print_error(msg, color=True):
"""
Print an error message.
:param string msg: the message
:param bool color: if ``True``, print with POSIX color
"""
if color and is_posix():
safe_print(u"%s[ERRO] %s%s" % (ANSI_ERROR, msg, ANSI_END))
else:
safe_print(u"[ERRO] %s" % (msg)) | python | def print_error(msg, color=True):
if color and is_posix():
safe_print(u"%s[ERRO] %s%s" % (ANSI_ERROR, msg, ANSI_END))
else:
safe_print(u"[ERRO] %s" % (msg)) | [
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246,081 | readbeyond/aeneas | aeneas/globalfunctions.py | print_success | def print_success(msg, color=True):
"""
Print a success message.
:param string msg: the message
:param bool color: if ``True``, print with POSIX color
"""
if color and is_posix():
safe_print(u"%s[INFO] %s%s" % (ANSI_OK, msg, ANSI_END))
else:
safe_print(u"[INFO] %s" % (msg)) | python | def print_success(msg, color=True):
if color and is_posix():
safe_print(u"%s[INFO] %s%s" % (ANSI_OK, msg, ANSI_END))
else:
safe_print(u"[INFO] %s" % (msg)) | [
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246,082 | readbeyond/aeneas | aeneas/globalfunctions.py | print_warning | def print_warning(msg, color=True):
"""
Print a warning message.
:param string msg: the message
:param bool color: if ``True``, print with POSIX color
"""
if color and is_posix():
safe_print(u"%s[WARN] %s%s" % (ANSI_WARNING, msg, ANSI_END))
else:
safe_print(u"[WARN] %s" % (msg)) | python | def print_warning(msg, color=True):
if color and is_posix():
safe_print(u"%s[WARN] %s%s" % (ANSI_WARNING, msg, ANSI_END))
else:
safe_print(u"[WARN] %s" % (msg)) | [
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246,083 | readbeyond/aeneas | aeneas/globalfunctions.py | file_extension | def file_extension(path):
"""
Return the file extension.
Examples: ::
/foo/bar.baz => baz
None => None
:param string path: the file path
:rtype: string
"""
if path is None:
return None
ext = os.path.splitext(os.path.basename(path))[1]
if ext.startswith("."):
ext = ext[1:]
return ext | python | def file_extension(path):
if path is None:
return None
ext = os.path.splitext(os.path.basename(path))[1]
if ext.startswith("."):
ext = ext[1:]
return ext | [
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Examples: ::
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:param string path: the file path
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246,084 | readbeyond/aeneas | aeneas/globalfunctions.py | mimetype_from_path | def mimetype_from_path(path):
"""
Return a mimetype from the file extension.
:param string path: the file path
:rtype: string
"""
extension = file_extension(path)
if extension is not None:
extension = extension.lower()
if extension in gc.MIMETYPE_MAP:
return gc.MIMETYPE_MAP[extension]
return None | python | def mimetype_from_path(path):
extension = file_extension(path)
if extension is not None:
extension = extension.lower()
if extension in gc.MIMETYPE_MAP:
return gc.MIMETYPE_MAP[extension]
return None | [
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246,085 | readbeyond/aeneas | aeneas/globalfunctions.py | file_name_without_extension | def file_name_without_extension(path):
"""
Return the file name without extension.
Examples: ::
/foo/bar.baz => bar
/foo/bar => bar
None => None
:param string path: the file path
:rtype: string
"""
if path is None:
return None
return os.path.splitext(os.path.basename(path))[0] | python | def file_name_without_extension(path):
if path is None:
return None
return os.path.splitext(os.path.basename(path))[0] | [
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246,086 | readbeyond/aeneas | aeneas/globalfunctions.py | safe_float | def safe_float(string, default=None):
"""
Safely parse a string into a float.
On error return the ``default`` value.
:param string string: string value to be converted
:param float default: default value to be used in case of failure
:rtype: float
"""
value = default
try:
value = float(string)
except TypeError:
pass
except ValueError:
pass
return value | python | def safe_float(string, default=None):
value = default
try:
value = float(string)
except TypeError:
pass
except ValueError:
pass
return value | [
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246,087 | readbeyond/aeneas | aeneas/globalfunctions.py | safe_int | def safe_int(string, default=None):
"""
Safely parse a string into an int.
On error return the ``default`` value.
:param string string: string value to be converted
:param int default: default value to be used in case of failure
:rtype: int
"""
value = safe_float(string, default)
if value is not None:
value = int(value)
return value | python | def safe_int(string, default=None):
value = safe_float(string, default)
if value is not None:
value = int(value)
return value | [
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246,088 | readbeyond/aeneas | aeneas/globalfunctions.py | safe_get | def safe_get(dictionary, key, default_value, can_return_none=True):
"""
Safely perform a dictionary get,
returning the default value if the key is not found.
:param dict dictionary: the dictionary
:param string key: the key
:param variant default_value: the default value to be returned
:param bool can_return_none: if ``True``, the function can return ``None``;
otherwise, return ``default_value`` even if the
dictionary lookup succeeded
:rtype: variant
"""
return_value = default_value
try:
return_value = dictionary[key]
if (return_value is None) and (not can_return_none):
return_value = default_value
except (KeyError, TypeError):
# KeyError if key is not present in dictionary
# TypeError if dictionary is None
pass
return return_value | python | def safe_get(dictionary, key, default_value, can_return_none=True):
return_value = default_value
try:
return_value = dictionary[key]
if (return_value is None) and (not can_return_none):
return_value = default_value
except (KeyError, TypeError):
# KeyError if key is not present in dictionary
# TypeError if dictionary is None
pass
return return_value | [
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246,089 | readbeyond/aeneas | aeneas/globalfunctions.py | norm_join | def norm_join(prefix, suffix):
"""
Join ``prefix`` and ``suffix`` paths
and return the resulting path, normalized.
:param string prefix: the prefix path
:param string suffix: the suffix path
:rtype: string
"""
if (prefix is None) and (suffix is None):
return "."
if prefix is None:
return os.path.normpath(suffix)
if suffix is None:
return os.path.normpath(prefix)
return os.path.normpath(os.path.join(prefix, suffix)) | python | def norm_join(prefix, suffix):
if (prefix is None) and (suffix is None):
return "."
if prefix is None:
return os.path.normpath(suffix)
if suffix is None:
return os.path.normpath(prefix)
return os.path.normpath(os.path.join(prefix, suffix)) | [
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246,090 | readbeyond/aeneas | aeneas/globalfunctions.py | copytree | def copytree(source_directory, destination_directory, ignore=None):
"""
Recursively copy the contents of a source directory
into a destination directory.
Both directories must exist.
This function does not copy the root directory ``source_directory``
into ``destination_directory``.
Since ``shutil.copytree(src, dst)`` requires ``dst`` not to exist,
we cannot use for our purposes.
Code adapted from http://stackoverflow.com/a/12686557
:param string source_directory: the source directory, already existing
:param string destination_directory: the destination directory, already existing
"""
if os.path.isdir(source_directory):
if not os.path.isdir(destination_directory):
os.makedirs(destination_directory)
files = os.listdir(source_directory)
if ignore is not None:
ignored = ignore(source_directory, files)
else:
ignored = set()
for f in files:
if f not in ignored:
copytree(
os.path.join(source_directory, f),
os.path.join(destination_directory, f),
ignore
)
else:
shutil.copyfile(source_directory, destination_directory) | python | def copytree(source_directory, destination_directory, ignore=None):
if os.path.isdir(source_directory):
if not os.path.isdir(destination_directory):
os.makedirs(destination_directory)
files = os.listdir(source_directory)
if ignore is not None:
ignored = ignore(source_directory, files)
else:
ignored = set()
for f in files:
if f not in ignored:
copytree(
os.path.join(source_directory, f),
os.path.join(destination_directory, f),
ignore
)
else:
shutil.copyfile(source_directory, destination_directory) | [
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Since ``shutil.copytree(src, dst)`` requires ``dst`` not to exist,
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Code adapted from http://stackoverflow.com/a/12686557
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246,091 | readbeyond/aeneas | aeneas/globalfunctions.py | ensure_parent_directory | def ensure_parent_directory(path, ensure_parent=True):
"""
Ensures the parent directory exists.
:param string path: the path of the file
:param bool ensure_parent: if ``True``, ensure the parent directory of ``path`` exists;
if ``False``, ensure ``path`` exists
:raises: OSError: if the path cannot be created
"""
parent_directory = os.path.abspath(path)
if ensure_parent:
parent_directory = os.path.dirname(parent_directory)
if not os.path.exists(parent_directory):
try:
os.makedirs(parent_directory)
except (IOError, OSError):
raise OSError(u"Directory '%s' cannot be created" % parent_directory) | python | def ensure_parent_directory(path, ensure_parent=True):
parent_directory = os.path.abspath(path)
if ensure_parent:
parent_directory = os.path.dirname(parent_directory)
if not os.path.exists(parent_directory):
try:
os.makedirs(parent_directory)
except (IOError, OSError):
raise OSError(u"Directory '%s' cannot be created" % parent_directory) | [
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246,092 | readbeyond/aeneas | aeneas/globalfunctions.py | can_run_c_extension | def can_run_c_extension(name=None):
"""
Determine whether the given Python C extension loads correctly.
If ``name`` is ``None``, tests all Python C extensions,
and return ``True`` if and only if all load correctly.
:param string name: the name of the Python C extension to test
:rtype: bool
"""
def can_run_cdtw():
""" Python C extension for computing DTW """
try:
import aeneas.cdtw.cdtw
return True
except ImportError:
return False
def can_run_cmfcc():
""" Python C extension for computing MFCC """
try:
import aeneas.cmfcc.cmfcc
return True
except ImportError:
return False
def can_run_cew():
""" Python C extension for synthesizing with eSpeak """
try:
import aeneas.cew.cew
return True
except ImportError:
return False
def can_run_cfw():
""" Python C extension for synthesizing with Festival """
try:
import aeneas.cfw.cfw
return True
except ImportError:
return False
if name == "cdtw":
return can_run_cdtw()
elif name == "cmfcc":
return can_run_cmfcc()
elif name == "cew":
return can_run_cew()
elif name == "cfw":
return can_run_cfw()
else:
# NOTE cfw is still experimental!
return can_run_cdtw() and can_run_cmfcc() and can_run_cew() | python | def can_run_c_extension(name=None):
def can_run_cdtw():
""" Python C extension for computing DTW """
try:
import aeneas.cdtw.cdtw
return True
except ImportError:
return False
def can_run_cmfcc():
""" Python C extension for computing MFCC """
try:
import aeneas.cmfcc.cmfcc
return True
except ImportError:
return False
def can_run_cew():
""" Python C extension for synthesizing with eSpeak """
try:
import aeneas.cew.cew
return True
except ImportError:
return False
def can_run_cfw():
""" Python C extension for synthesizing with Festival """
try:
import aeneas.cfw.cfw
return True
except ImportError:
return False
if name == "cdtw":
return can_run_cdtw()
elif name == "cmfcc":
return can_run_cmfcc()
elif name == "cew":
return can_run_cew()
elif name == "cfw":
return can_run_cfw()
else:
# NOTE cfw is still experimental!
return can_run_cdtw() and can_run_cmfcc() and can_run_cew() | [
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246,093 | readbeyond/aeneas | aeneas/globalfunctions.py | run_c_extension_with_fallback | def run_c_extension_with_fallback(
log_function,
extension,
c_function,
py_function,
args,
rconf
):
"""
Run a function calling a C extension, falling back
to a pure Python function if the former does not succeed.
:param function log_function: a logger function
:param string extension: the name of the extension
:param function c_function: the (Python) function calling the C extension
:param function py_function: the (Python) function providing the fallback
:param rconf: the runtime configuration
:type rconf: :class:`aeneas.runtimeconfiguration.RuntimeConfiguration`
:rtype: depends on the extension being called
:raises: RuntimeError: if both the C extension and
the pure Python code did not succeed.
.. versionadded:: 1.4.0
"""
computed = False
if not rconf[u"c_extensions"]:
log_function(u"C extensions disabled")
elif extension not in rconf:
log_function([u"C extension '%s' not recognized", extension])
elif not rconf[extension]:
log_function([u"C extension '%s' disabled", extension])
else:
log_function([u"C extension '%s' enabled", extension])
if c_function is None:
log_function(u"C function is None")
elif can_run_c_extension(extension):
log_function([u"C extension '%s' enabled and it can be loaded", extension])
computed, result = c_function(*args)
else:
log_function([u"C extension '%s' enabled but it cannot be loaded", extension])
if not computed:
if py_function is None:
log_function(u"Python function is None")
else:
log_function(u"Running the pure Python code")
computed, result = py_function(*args)
if not computed:
raise RuntimeError(u"Both the C extension and the pure Python code failed. (Wrong arguments? Input too big?)")
return result | python | def run_c_extension_with_fallback(
log_function,
extension,
c_function,
py_function,
args,
rconf
):
computed = False
if not rconf[u"c_extensions"]:
log_function(u"C extensions disabled")
elif extension not in rconf:
log_function([u"C extension '%s' not recognized", extension])
elif not rconf[extension]:
log_function([u"C extension '%s' disabled", extension])
else:
log_function([u"C extension '%s' enabled", extension])
if c_function is None:
log_function(u"C function is None")
elif can_run_c_extension(extension):
log_function([u"C extension '%s' enabled and it can be loaded", extension])
computed, result = c_function(*args)
else:
log_function([u"C extension '%s' enabled but it cannot be loaded", extension])
if not computed:
if py_function is None:
log_function(u"Python function is None")
else:
log_function(u"Running the pure Python code")
computed, result = py_function(*args)
if not computed:
raise RuntimeError(u"Both the C extension and the pure Python code failed. (Wrong arguments? Input too big?)")
return result | [
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:param function c_function: the (Python) function calling the C extension
:param function py_function: the (Python) function providing the fallback
:param rconf: the runtime configuration
:type rconf: :class:`aeneas.runtimeconfiguration.RuntimeConfiguration`
:rtype: depends on the extension being called
:raises: RuntimeError: if both the C extension and
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.. versionadded:: 1.4.0 | [
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246,094 | readbeyond/aeneas | aeneas/globalfunctions.py | file_can_be_read | def file_can_be_read(path):
"""
Return ``True`` if the file at the given ``path`` can be read.
:param string path: the file path
:rtype: bool
.. versionadded:: 1.4.0
"""
if path is None:
return False
try:
with io.open(path, "rb") as test_file:
pass
return True
except (IOError, OSError):
pass
return False | python | def file_can_be_read(path):
if path is None:
return False
try:
with io.open(path, "rb") as test_file:
pass
return True
except (IOError, OSError):
pass
return False | [
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:rtype: bool
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246,095 | readbeyond/aeneas | aeneas/globalfunctions.py | file_can_be_written | def file_can_be_written(path):
"""
Return ``True`` if a file can be written at the given ``path``.
:param string path: the file path
:rtype: bool
.. warning:: This function will attempt to open the given ``path``
in write mode, possibly destroying the file previously existing there.
.. versionadded:: 1.4.0
"""
if path is None:
return False
try:
with io.open(path, "wb") as test_file:
pass
delete_file(None, path)
return True
except (IOError, OSError):
pass
return False | python | def file_can_be_written(path):
if path is None:
return False
try:
with io.open(path, "wb") as test_file:
pass
delete_file(None, path)
return True
except (IOError, OSError):
pass
return False | [
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246,096 | readbeyond/aeneas | aeneas/globalfunctions.py | read_file_bytes | def read_file_bytes(input_file_path):
"""
Read the file at the given file path
and return its contents as a byte string,
or ``None`` if an error occurred.
:param string input_file_path: the file path
:rtype: bytes
"""
contents = None
try:
with io.open(input_file_path, "rb") as input_file:
contents = input_file.read()
except:
pass
return contents | python | def read_file_bytes(input_file_path):
contents = None
try:
with io.open(input_file_path, "rb") as input_file:
contents = input_file.read()
except:
pass
return contents | [
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246,097 | readbeyond/aeneas | aeneas/globalfunctions.py | human_readable_number | def human_readable_number(number, suffix=""):
"""
Format the given number into a human-readable string.
Code adapted from http://stackoverflow.com/a/1094933
:param variant number: the number (int or float)
:param string suffix: the unit of the number
:rtype: string
"""
for unit in ["", "K", "M", "G", "T", "P", "E", "Z"]:
if abs(number) < 1024.0:
return "%3.1f%s%s" % (number, unit, suffix)
number /= 1024.0
return "%.1f%s%s" % (number, "Y", suffix) | python | def human_readable_number(number, suffix=""):
for unit in ["", "K", "M", "G", "T", "P", "E", "Z"]:
if abs(number) < 1024.0:
return "%3.1f%s%s" % (number, unit, suffix)
number /= 1024.0
return "%.1f%s%s" % (number, "Y", suffix) | [
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246,098 | readbeyond/aeneas | aeneas/globalfunctions.py | safe_unichr | def safe_unichr(codepoint):
"""
Safely return a Unicode string of length one,
containing the Unicode character with given codepoint.
:param int codepoint: the codepoint
:rtype: string
"""
if is_py2_narrow_build():
return ("\\U%08x" % codepoint).decode("unicode-escape")
elif PY2:
return unichr(codepoint)
return chr(codepoint) | python | def safe_unichr(codepoint):
if is_py2_narrow_build():
return ("\\U%08x" % codepoint).decode("unicode-escape")
elif PY2:
return unichr(codepoint)
return chr(codepoint) | [
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246,099 | readbeyond/aeneas | aeneas/globalfunctions.py | safe_unicode_stdin | def safe_unicode_stdin(string):
"""
Safely convert the given string to a Unicode string,
decoding using ``sys.stdin.encoding`` if needed.
If running from a frozen binary, ``utf-8`` encoding is assumed.
:param variant string: the byte string or Unicode string to convert
:rtype: string
"""
if string is None:
return None
if is_bytes(string):
if FROZEN:
return string.decode("utf-8")
try:
return string.decode(sys.stdin.encoding)
except UnicodeDecodeError:
return string.decode(sys.stdin.encoding, "replace")
except:
return string.decode("utf-8")
return string | python | def safe_unicode_stdin(string):
if string is None:
return None
if is_bytes(string):
if FROZEN:
return string.decode("utf-8")
try:
return string.decode(sys.stdin.encoding)
except UnicodeDecodeError:
return string.decode(sys.stdin.encoding, "replace")
except:
return string.decode("utf-8")
return string | [
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"... | Safely convert the given string to a Unicode string,
decoding using ``sys.stdin.encoding`` if needed.
If running from a frozen binary, ``utf-8`` encoding is assumed.
:param variant string: the byte string or Unicode string to convert
:rtype: string | [
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] | 9d95535ad63eef4a98530cfdff033b8c35315ee1 | https://github.com/readbeyond/aeneas/blob/9d95535ad63eef4a98530cfdff033b8c35315ee1/aeneas/globalfunctions.py#L1235-L1256 |
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