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def rename(self, target):
"""
Rename this path to the given path.
"""
if self._closed:
self._raise_closed()
self._accessor.rename(self, target) |
def replace(self, target):
"""
Rename this path to the given path, clobbering the existing
destination if it exists.
"""
if sys.version_info < (3, 3):
raise NotImplementedError("replace() is only available "
"with Python 3.3 and l... |
def symlink_to(self, target, target_is_directory=False):
"""
Make this path a symlink pointing to the given path.
Note the order of arguments (self, target) is the reverse of
os.symlink's.
"""
if self._closed:
self._raise_closed()
self._accessor.symlin... |
def exists(self):
"""
Whether this path exists.
"""
try:
self.stat()
except OSError as e:
if e.errno not in (ENOENT, ENOTDIR):
raise
return False
return True |
def is_dir(self):
"""
Whether this path is a directory.
"""
try:
return S_ISDIR(self.stat().st_mode)
except OSError as e:
if e.errno not in (ENOENT, ENOTDIR):
raise
# Path doesn't exist or is a broken symlink
# (see ... |
def is_file(self):
"""
Whether this path is a regular file (also True for symlinks pointing
to regular files).
"""
try:
return S_ISREG(self.stat().st_mode)
except OSError as e:
if e.errno not in (ENOENT, ENOTDIR):
raise
... |
def is_fifo(self):
"""
Whether this path is a FIFO.
"""
try:
return S_ISFIFO(self.stat().st_mode)
except OSError as e:
if e.errno not in (ENOENT, ENOTDIR):
raise
# Path doesn't exist or is a broken symlink
# (see htt... |
def is_socket(self):
"""
Whether this path is a socket.
"""
try:
return S_ISSOCK(self.stat().st_mode)
except OSError as e:
if e.errno not in (ENOENT, ENOTDIR):
raise
# Path doesn't exist or is a broken symlink
# (see... |
def expanduser(self):
""" Return a new path with expanded ~ and ~user constructs
(as returned by os.path.expanduser)
"""
if (not (self._drv or self._root)
and self._parts and self._parts[0][:1] == '~'):
homedir = self._flavour.gethomedir(self._parts[0][1:])
... |
def lookupEncoding(encoding):
"""Return the python codec name corresponding to an encoding or None if the
string doesn't correspond to a valid encoding."""
if isinstance(encoding, binary_type):
try:
encoding = encoding.decode("ascii")
except UnicodeDecodeError:
return... |
def openStream(self, source):
"""Produces a file object from source.
source can be either a file object, local filename or a string.
"""
# Already a file object
if hasattr(source, 'read'):
stream = source
else:
stream = StringIO(source)
... |
def position(self):
"""Returns (line, col) of the current position in the stream."""
line, col = self._position(self.chunkOffset)
return (line + 1, col) |
def char(self):
""" Read one character from the stream or queue if available. Return
EOF when EOF is reached.
"""
# Read a new chunk from the input stream if necessary
if self.chunkOffset >= self.chunkSize:
if not self.readChunk():
return EOF
... |
def charsUntil(self, characters, opposite=False):
""" Returns a string of characters from the stream up to but not
including any character in 'characters' or EOF. 'characters' must be
a container that supports the 'in' method and iteration over its
characters.
"""
# Use ... |
def openStream(self, source):
"""Produces a file object from source.
source can be either a file object, local filename or a string.
"""
# Already a file object
if hasattr(source, 'read'):
stream = source
else:
stream = BytesIO(source)
t... |
def detectEncodingMeta(self):
"""Report the encoding declared by the meta element
"""
buffer = self.rawStream.read(self.numBytesMeta)
assert isinstance(buffer, bytes)
parser = EncodingParser(buffer)
self.rawStream.seek(0)
encoding = parser.getEncoding()
i... |
def skip(self, chars=spaceCharactersBytes):
"""Skip past a list of characters"""
p = self.position # use property for the error-checking
while p < len(self):
c = self[p:p + 1]
if c not in chars:
self._position = p
return c
... |
def matchBytes(self, bytes):
"""Look for a sequence of bytes at the start of a string. If the bytes
are found return True and advance the position to the byte after the
match. Otherwise return False and leave the position alone"""
p = self.position
data = self[p:p + len(bytes)]
... |
def jumpTo(self, bytes):
"""Look for the next sequence of bytes matching a given sequence. If
a match is found advance the position to the last byte of the match"""
newPosition = self[self.position:].find(bytes)
if newPosition > -1:
# XXX: This is ugly, but I can't see a nice... |
def getAttribute(self):
"""Return a name,value pair for the next attribute in the stream,
if one is found, or None"""
data = self.data
# Step 1 (skip chars)
c = data.skip(spaceCharactersBytes | frozenset([b"/"]))
assert c is None or len(c) == 1
# Step 2
if... |
def _build_backend():
"""Find and load the build backend"""
ep = os.environ['PEP517_BUILD_BACKEND']
mod_path, _, obj_path = ep.partition(':')
try:
obj = import_module(mod_path)
except ImportError:
raise BackendUnavailable
if obj_path:
for path_part in obj_path.split('.'):... |
def get_requires_for_build_wheel(config_settings):
"""Invoke the optional get_requires_for_build_wheel hook
Returns [] if the hook is not defined.
"""
backend = _build_backend()
try:
hook = backend.get_requires_for_build_wheel
except AttributeError:
return []
else:
r... |
def prepare_metadata_for_build_wheel(metadata_directory, config_settings):
"""Invoke optional prepare_metadata_for_build_wheel
Implements a fallback by building a wheel if the hook isn't defined.
"""
backend = _build_backend()
try:
hook = backend.prepare_metadata_for_build_wheel
except ... |
def _dist_info_files(whl_zip):
"""Identify the .dist-info folder inside a wheel ZipFile."""
res = []
for path in whl_zip.namelist():
m = re.match(r'[^/\\]+-[^/\\]+\.dist-info/', path)
if m:
res.append(path)
if res:
return res
raise Exception("No .dist-info folder ... |
def _get_wheel_metadata_from_wheel(
backend, metadata_directory, config_settings):
"""Build a wheel and extract the metadata from it.
Fallback for when the build backend does not
define the 'get_wheel_metadata' hook.
"""
from zipfile import ZipFile
whl_basename = backend.build_wheel(met... |
def _find_already_built_wheel(metadata_directory):
"""Check for a wheel already built during the get_wheel_metadata hook.
"""
if not metadata_directory:
return None
metadata_parent = os.path.dirname(metadata_directory)
if not os.path.isfile(pjoin(metadata_parent, WHEEL_BUILT_MARKER)):
... |
def build_wheel(wheel_directory, config_settings, metadata_directory=None):
"""Invoke the mandatory build_wheel hook.
If a wheel was already built in the
prepare_metadata_for_build_wheel fallback, this
will copy it rather than rebuilding the wheel.
"""
prebuilt_whl = _find_already_built_wheel(m... |
def get_requires_for_build_sdist(config_settings):
"""Invoke the optional get_requires_for_build_wheel hook
Returns [] if the hook is not defined.
"""
backend = _build_backend()
try:
hook = backend.get_requires_for_build_sdist
except AttributeError:
return []
else:
r... |
def append(self, key, _item): # type: (Union[Key, str], Any) -> Table
"""
Appends a (key, item) to the table.
"""
if not isinstance(_item, Item):
_item = item(_item)
self._value.append(key, _item)
if isinstance(key, Key):
key = key.key
... |
def append(self, key, _item): # type: (Union[Key, str], Any) -> InlineTable
"""
Appends a (key, item) to the table.
"""
if not isinstance(_item, Item):
_item = item(_item)
if not isinstance(_item, (Whitespace, Comment)):
if not _item.trivia.indent and le... |
def update_wrapper(wrapper,
wrapped,
assigned = functools.WRAPPER_ASSIGNMENTS,
updated = functools.WRAPPER_UPDATES):
"""
Patch two bugs in functools.update_wrapper.
"""
# workaround for http://bugs.python.org/issue3445
assigned = tuple(attr fo... |
def lru_cache(maxsize=100, typed=False):
"""Least-recently-used cache decorator.
If *maxsize* is set to None, the LRU features are disabled and the cache
can grow without bound.
If *typed* is True, arguments of different types will be cached separately.
For example, f(3.0) and f(3) will be treated... |
def first(iterable, default=None, key=None):
"""
Return first element of `iterable` that evaluates true, else return None
(or an optional default value).
>>> first([0, False, None, [], (), 42])
42
>>> first([0, False, None, [], ()]) is None
True
>>> first([0, False, None, [], ()], def... |
def get_process_mapping():
"""Try to look up the process tree via the output of `ps`.
"""
try:
output = subprocess.check_output([
'ps', '-ww', '-o', 'pid=', '-o', 'ppid=', '-o', 'args=',
])
except OSError as e: # Python 2-compatible FileNotFoundError.
if e.errno !=... |
def visit_Name(self, node, store_as_param=False, **kwargs):
"""All assignments to names go through this function."""
if store_as_param or node.ctx == 'param':
self.symbols.declare_parameter(node.name)
elif node.ctx == 'store':
self.symbols.store(node.name)
elif no... |
def visit_Assign(self, node, **kwargs):
"""Visit assignments in the correct order."""
self.visit(node.node, **kwargs)
self.visit(node.target, **kwargs) |
def make_set_closure_cell():
"""
Moved into a function for testability.
"""
if PYPY: # pragma: no cover
def set_closure_cell(cell, value):
cell.__setstate__((value,))
else:
try:
ctypes = import_ctypes()
set_closure_cell = ctypes.pythonapi.PyCel... |
def _spawn(self, command, args=[], preexec_fn=None, dimensions=None):
'''This starts the given command in a child process. This does all the
fork/exec type of stuff for a pty. This is called by __init__. If args
is empty then command will be parsed (split on spaces) and args will be
set ... |
def close(self, force=True):
'''This closes the connection with the child application. Note that
calling close() more than once is valid. This emulates standard Python
behavior with files. Set force to True if you want to make sure that
the child is terminated (SIGKILL is sent if the chi... |
def waitnoecho(self, timeout=-1):
'''This waits until the terminal ECHO flag is set False. This returns
True if the echo mode is off. This returns False if the ECHO flag was
not set False before the timeout. This can be used to detect when the
child is waiting for a password. Usually a c... |
def read_nonblocking(self, size=1, timeout=-1):
'''This reads at most size characters from the child application. It
includes a timeout. If the read does not complete within the timeout
period then a TIMEOUT exception is raised. If the end of file is read
then an EOF exception will be ra... |
def send(self, s):
'''Sends string ``s`` to the child process, returning the number of
bytes written. If a logfile is specified, a copy is written to that
log.
The default terminal input mode is canonical processing unless set
otherwise by the child process. This allows backspac... |
def sendline(self, s=''):
'''Wraps send(), sending string ``s`` to child process, with
``os.linesep`` automatically appended. Returns number of bytes
written. Only a limited number of bytes may be sent for each
line in the default terminal mode, see docstring of :meth:`send`.
''... |
def _log_control(self, s):
"""Write control characters to the appropriate log files"""
if self.encoding is not None:
s = s.decode(self.encoding, 'replace')
self._log(s, 'send') |
def sendcontrol(self, char):
'''Helper method that wraps send() with mnemonic access for sending control
character to the child (such as Ctrl-C or Ctrl-D). For example, to send
Ctrl-G (ASCII 7, bell, '\a')::
child.sendcontrol('g')
See also, sendintr() and sendeof().
... |
def sendeof(self):
'''This sends an EOF to the child. This sends a character which causes
the pending parent output buffer to be sent to the waiting child
program without waiting for end-of-line. If it is the first character
of the line, the read() in the user program returns 0, which si... |
def sendintr(self):
'''This sends a SIGINT to the child. It does not require
the SIGINT to be the first character on a line. '''
n, byte = self.ptyproc.sendintr()
self._log_control(byte) |
def wait(self):
'''This waits until the child exits. This is a blocking call. This will
not read any data from the child, so this will block forever if the
child has unread output and has terminated. In other words, the child
may have printed output then called exit(), but, the child is
... |
def isalive(self):
'''This tests if the child process is running or not. This is
non-blocking. If the child was terminated then this will read the
exitstatus or signalstatus of the child. This returns True if the child
process appears to be running or False if not. It can take literally
... |
def interact(self, escape_character=chr(29),
input_filter=None, output_filter=None):
'''This gives control of the child process to the interactive user (the
human at the keyboard). Keystrokes are sent to the child process, and
the stdout and stderr output of the child process is pri... |
def __interact_writen(self, fd, data):
'''This is used by the interact() method.
'''
while data != b'' and self.isalive():
n = os.write(fd, data)
data = data[n:] |
def __interact_copy(
self, escape_character=None, input_filter=None, output_filter=None
):
'''This is used by the interact() method.
'''
while self.isalive():
if self.use_poll:
r = poll_ignore_interrupts([self.child_fd, self.STDIN_FILENO])
el... |
def extras_to_string(extras):
# type: (Iterable[S]) -> S
"""Turn a list of extras into a string"""
if isinstance(extras, six.string_types):
if extras.startswith("["):
return extras
else:
extras = [extras]
if not extras:
return ""
return "[{0}]".format(... |
def parse_extras(extras_str):
# type: (AnyStr) -> List[AnyStr]
"""
Turn a string of extras into a parsed extras list
"""
from pkg_resources import Requirement
extras = Requirement.parse("fakepkg{0}".format(extras_to_string(extras_str))).extras
return sorted(dedup([extra.lower() for extra i... |
def specs_to_string(specs):
# type: (List[Union[STRING_TYPE, Specifier]]) -> AnyStr
"""
Turn a list of specifier tuples into a string
"""
if specs:
if isinstance(specs, six.string_types):
return specs
try:
extras = ",".join(["".join(spec) for spec in specs])
... |
def convert_direct_url_to_url(direct_url):
# type: (AnyStr) -> AnyStr
"""
Given a direct url as defined by *PEP 508*, convert to a :class:`~pip_shims.shims.Link`
compatible URL by moving the name and extras into an **egg_fragment**.
:param str direct_url: A pep-508 compliant direct url.
:return... |
def convert_url_to_direct_url(url, name=None):
# type: (AnyStr, Optional[AnyStr]) -> AnyStr
"""
Given a :class:`~pip_shims.shims.Link` compatible URL, convert to a direct url as
defined by *PEP 508* by extracting the name and extras from the **egg_fragment**.
:param AnyStr url: A :class:`~pip_shims... |
def strip_extras_markers_from_requirement(req):
# type: (TRequirement) -> TRequirement
"""
Given a :class:`~packaging.requirements.Requirement` instance with markers defining
*extra == 'name'*, strip out the extras from the markers and return the cleaned
requirement
:param PackagingRequirement ... |
def get_pyproject(path):
# type: (Union[STRING_TYPE, Path]) -> Optional[Tuple[List[STRING_TYPE], STRING_TYPE]]
"""
Given a base path, look for the corresponding ``pyproject.toml`` file and return its
build_requires and build_backend.
:param AnyStr path: The root path of the project, should be a dir... |
def split_markers_from_line(line):
# type: (AnyStr) -> Tuple[AnyStr, Optional[AnyStr]]
"""Split markers from a dependency"""
if not any(line.startswith(uri_prefix) for uri_prefix in SCHEME_LIST):
marker_sep = ";"
else:
marker_sep = "; "
markers = None
if marker_sep in line:
... |
def split_vcs_method_from_uri(uri):
# type: (AnyStr) -> Tuple[Optional[STRING_TYPE], STRING_TYPE]
"""Split a vcs+uri formatted uri into (vcs, uri)"""
vcs_start = "{0}+"
vcs = None # type: Optional[STRING_TYPE]
vcs = first([vcs for vcs in VCS_LIST if uri.startswith(vcs_start.format(vcs))])
if vc... |
def split_ref_from_uri(uri):
# type: (AnyStr) -> Tuple[AnyStr, Optional[AnyStr]]
"""
Given a path or URI, check for a ref and split it from the path if it is present,
returning a tuple of the original input and the ref or None.
:param AnyStr uri: The path or URI to split
:returns: A 2-tuple of ... |
def key_from_ireq(ireq):
"""Get a standardized key for an InstallRequirement."""
if ireq.req is None and ireq.link is not None:
return str(ireq.link)
else:
return key_from_req(ireq.req) |
def key_from_req(req):
"""Get an all-lowercase version of the requirement's name."""
if hasattr(req, "key"):
# from pkg_resources, such as installed dists for pip-sync
key = req.key
else:
# from packaging, such as install requirements from requirements.txt
key = req.name
... |
def _requirement_to_str_lowercase_name(requirement):
"""
Formats a packaging.requirements.Requirement with a lowercase name.
This is simply a copy of
https://github.com/pypa/packaging/blob/16.8/packaging/requirements.py#L109-L124
modified to lowercase the dependency name.
Previously, we were i... |
def format_requirement(ireq):
"""
Generic formatter for pretty printing InstallRequirements to the terminal
in a less verbose way than using its `__str__` method.
"""
if ireq.editable:
line = "-e {}".format(ireq.link)
else:
line = _requirement_to_str_lowercase_name(ireq.req)
... |
def format_specifier(ireq):
"""
Generic formatter for pretty printing the specifier part of
InstallRequirements to the terminal.
"""
# TODO: Ideally, this is carried over to the pip library itself
specs = ireq.specifier._specs if ireq.req is not None else []
specs = sorted(specs, key=lambda ... |
def as_tuple(ireq):
"""
Pulls out the (name: str, version:str, extras:(str)) tuple from the pinned InstallRequirement.
"""
if not is_pinned_requirement(ireq):
raise TypeError("Expected a pinned InstallRequirement, got {}".format(ireq))
name = key_from_req(ireq.req)
version = first(ireq... |
def full_groupby(iterable, key=None):
"""
Like groupby(), but sorts the input on the group key first.
"""
return groupby(sorted(iterable, key=key), key=key) |
def lookup_table(values, key=None, keyval=None, unique=False, use_lists=False):
"""
Builds a dict-based lookup table (index) elegantly.
Supports building normal and unique lookup tables. For example:
>>> assert lookup_table(
... ['foo', 'bar', 'baz', 'qux', 'quux'], lambda s: s[0]) == {
.... |
def make_install_requirement(name, version, extras, markers, constraint=False):
"""
Generates an :class:`~pip._internal.req.req_install.InstallRequirement`.
Create an InstallRequirement from the supplied metadata.
:param name: The requirement's name.
:type name: str
:param version: The require... |
def clean_requires_python(candidates):
"""Get a cleaned list of all the candidates with valid specifiers in the `requires_python` attributes."""
all_candidates = []
sys_version = ".".join(map(str, sys.version_info[:3]))
from packaging.version import parse as parse_version
py_version = parse_version... |
def get_name_variants(pkg):
# type: (STRING_TYPE) -> Set[STRING_TYPE]
"""
Given a packager name, get the variants of its name for both the canonicalized
and "safe" forms.
:param AnyStr pkg: The package to lookup
:returns: A list of names.
:rtype: Set
"""
if not isinstance(pkg, six.... |
def _best_version(fields):
"""Detect the best version depending on the fields used."""
def _has_marker(keys, markers):
for marker in markers:
if marker in keys:
return True
return False
keys = []
for key, value in fields.items():
if value in ([], 'UNK... |
def _get_name_and_version(name, version, for_filename=False):
"""Return the distribution name with version.
If for_filename is true, return a filename-escaped form."""
if for_filename:
# For both name and version any runs of non-alphanumeric or '.'
# characters are replaced with a single '-... |
def read(self, filepath):
"""Read the metadata values from a file path."""
fp = codecs.open(filepath, 'r', encoding='utf-8')
try:
self.read_file(fp)
finally:
fp.close() |
def write(self, filepath, skip_unknown=False):
"""Write the metadata fields to filepath."""
fp = codecs.open(filepath, 'w', encoding='utf-8')
try:
self.write_file(fp, skip_unknown)
finally:
fp.close() |
def write_file(self, fileobject, skip_unknown=False):
"""Write the PKG-INFO format data to a file object."""
self.set_metadata_version()
for field in _version2fieldlist(self['Metadata-Version']):
values = self.get(field)
if skip_unknown and values in ('UNKNOWN', [], ['UN... |
def update(self, other=None, **kwargs):
"""Set metadata values from the given iterable `other` and kwargs.
Behavior is like `dict.update`: If `other` has a ``keys`` method,
they are looped over and ``self[key]`` is assigned ``other[key]``.
Else, ``other`` is an iterable of ``(key, value... |
def set(self, name, value):
"""Control then set a metadata field."""
name = self._convert_name(name)
if ((name in _ELEMENTSFIELD or name == 'Platform') and
not isinstance(value, (list, tuple))):
if isinstance(value, string_types):
value = [v.strip() for v... |
def get(self, name, default=_MISSING):
"""Get a metadata field."""
name = self._convert_name(name)
if name not in self._fields:
if default is _MISSING:
default = self._default_value(name)
return default
if name in _UNICODEFIELDS:
value ... |
def todict(self, skip_missing=False):
"""Return fields as a dict.
Field names will be converted to use the underscore-lowercase style
instead of hyphen-mixed case (i.e. home_page instead of Home-page).
"""
self.set_metadata_version()
mapping_1_0 = (
('metada... |
def get_requirements(self, reqts, extras=None, env=None):
"""
Base method to get dependencies, given a set of extras
to satisfy and an optional environment context.
:param reqts: A list of sometimes-wanted dependencies,
perhaps dependent on extras and environment.
... |
def remove_move(name):
"""Remove item from six.moves."""
try:
delattr(_MovedItems, name)
except AttributeError:
try:
del moves.__dict__[name]
except KeyError:
raise AttributeError("no such move, %r" % (name,)) |
def ensure_binary(s, encoding='utf-8', errors='strict'):
"""Coerce **s** to six.binary_type.
For Python 2:
- `unicode` -> encoded to `str`
- `str` -> `str`
For Python 3:
- `str` -> encoded to `bytes`
- `bytes` -> `bytes`
"""
if isinstance(s, text_type):
return s.enc... |
def ensure_str(s, encoding='utf-8', errors='strict'):
"""Coerce *s* to `str`.
For Python 2:
- `unicode` -> encoded to `str`
- `str` -> `str`
For Python 3:
- `str` -> `str`
- `bytes` -> decoded to `str`
"""
if not isinstance(s, (text_type, binary_type)):
raise TypeEr... |
def ensure_text(s, encoding='utf-8', errors='strict'):
"""Coerce *s* to six.text_type.
For Python 2:
- `unicode` -> `unicode`
- `str` -> `unicode`
For Python 3:
- `str` -> `str`
- `bytes` -> decoded to `str`
"""
if isinstance(s, binary_type):
return s.decode(encodin... |
def python_2_unicode_compatible(klass):
"""
A decorator that defines __unicode__ and __str__ methods under Python 2.
Under Python 3 it does nothing.
To support Python 2 and 3 with a single code base, define a __str__ method
returning text and apply this decorator to the class.
"""
if PY2:
... |
def parse_requirements(
filename, # type: str
finder=None, # type: Optional[PackageFinder]
comes_from=None, # type: Optional[str]
options=None, # type: Optional[optparse.Values]
session=None, # type: Optional[PipSession]
constraint=False, # type: bool
wheel_cache=None, # type: Optiona... |
def preprocess(content, options):
# type: (Text, Optional[optparse.Values]) -> ReqFileLines
"""Split, filter, and join lines, and return a line iterator
:param content: the content of the requirements file
:param options: cli options
"""
lines_enum = enumerate(content.splitlines(), start=1) # ... |
def process_line(
line, # type: Text
filename, # type: str
line_number, # type: int
finder=None, # type: Optional[PackageFinder]
comes_from=None, # type: Optional[str]
options=None, # type: Optional[optparse.Values]
session=None, # type: Optional[PipSession]
wheel_cache=None, # t... |
def break_args_options(line):
# type: (Text) -> Tuple[str, Text]
"""Break up the line into an args and options string. We only want to shlex
(and then optparse) the options, not the args. args can contain markers
which are corrupted by shlex.
"""
tokens = line.split(' ')
args = []
opti... |
def build_parser(line):
# type: (Text) -> optparse.OptionParser
"""
Return a parser for parsing requirement lines
"""
parser = optparse.OptionParser(add_help_option=False)
option_factories = SUPPORTED_OPTIONS + SUPPORTED_OPTIONS_REQ
for option_factory in option_factories:
option = o... |
def join_lines(lines_enum):
# type: (ReqFileLines) -> ReqFileLines
"""Joins a line ending in '\' with the previous line (except when following
comments). The joined line takes on the index of the first line.
"""
primary_line_number = None
new_line = [] # type: List[Text]
for line_number, l... |
def ignore_comments(lines_enum):
# type: (ReqFileLines) -> ReqFileLines
"""
Strips comments and filter empty lines.
"""
for line_number, line in lines_enum:
line = COMMENT_RE.sub('', line)
line = line.strip()
if line:
yield line_number, line |
def skip_regex(lines_enum, options):
# type: (ReqFileLines, Optional[optparse.Values]) -> ReqFileLines
"""
Skip lines that match '--skip-requirements-regex' pattern
Note: the regex pattern is only built once
"""
skip_regex = options.skip_requirements_regex if options else None
if skip_regex... |
def expand_env_variables(lines_enum):
# type: (ReqFileLines) -> ReqFileLines
"""Replace all environment variables that can be retrieved via `os.getenv`.
The only allowed format for environment variables defined in the
requirement file is `${MY_VARIABLE_1}` to ensure two things:
1. Strings that con... |
def finish(self):
"""
Restore the original SIGINT handler after finishing.
This should happen regardless of whether the progress display finishes
normally, or gets interrupted.
"""
super(InterruptibleMixin, self).finish()
signal(SIGINT, self.original_handler) |
def handle_sigint(self, signum, frame):
"""
Call self.finish() before delegating to the original SIGINT handler.
This handler should only be in place while the progress display is
active.
"""
self.finish()
self.original_handler(signum, frame) |
def iter_fields(self, exclude=None, only=None):
"""This method iterates over all fields that are defined and yields
``(key, value)`` tuples. Per default all fields are returned, but
it's possible to limit that to some fields by providing the `only`
parameter or to exclude some using the... |
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