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def md_to_text(content):
""" Converts markdown content to text """
text = None
html = markdown.markdown(content)
if html:
text = html_to_text(content)
return text |
def parts_to_uri(base_uri, uri_parts):
"""
Converts uri parts to valid uri.
Example: /memebers, ['profile', 'view'] => /memembers/profile/view
"""
uri = "/".join(map(lambda x: str(x).rstrip('/'), [base_uri] + uri_parts))
return uri |
def domain_to_fqdn(domain, proto=None):
""" returns a fully qualified app domain name """
from .generic import get_site_proto
proto = proto or get_site_proto()
fdqn = '{proto}://{domain}'.format(proto=proto, domain=domain)
return fdqn |
def options(self, parser, env=os.environ):
"""Define the command line options for the plugin."""
super(NoseExclude, self).options(parser, env)
env_dirs = []
if 'NOSE_EXCLUDE_DIRS' in env:
exclude_dirs = env.get('NOSE_EXCLUDE_DIRS','')
env_dirs.extend(exclude_dirs.... |
def configure(self, options, conf):
"""Configure plugin based on command line options"""
super(NoseExclude, self).configure(options, conf)
self.exclude_dirs = {}
# preload directories from file
if options.exclude_dir_file:
if not options.exclude_dirs:
... |
def wantDirectory(self, dirname):
"""Check if directory is eligible for test discovery"""
if dirname in self.exclude_dirs:
log.debug("excluded: %s" % dirname)
return False
else:
return None |
def links_to_dynamic(self, ext):
"""Return true if 'ext' links to a dynamic lib in the same package"""
# XXX this should check to ensure the lib is actually being built
# XXX as dynamic, and not just using a locally-found version or a
# XXX static-compiled version
libnames = dict... |
def call_each(funcs: list, *args, **kwargs):
'''
call each func from func list.
return the last func value or None if func list is empty.
'''
ret = None
for func in funcs:
ret = func(*args, **kwargs)
return ret |
def call_each_reversed(funcs: list, *args, **kwargs):
'''
call each func from reversed func list.
return the last func value or None if func list is empty.
'''
ret = None
for func in reversed(funcs):
ret = func(*args, **kwargs)
return ret |
def append_func(self, func, *args, **kwargs):
'''
append func with given arguments and keywords.
'''
wraped_func = partial(func, *args, **kwargs)
self.append(wraped_func) |
def insert_func(self, index, func, *args, **kwargs):
'''
insert func with given arguments and keywords.
'''
wraped_func = partial(func, *args, **kwargs)
self.insert(index, wraped_func) |
def format_usage(self, usage):
"""
ensure there is only one newline between usage and the first heading
if there is no description
"""
msg = 'Usage: %s' % usage
if self.parser.description:
msg += '\n'
return msg |
def initialize(self, argv=None):
"""initialize the app"""
super(BaseParallelApplication, self).initialize(argv)
self.to_work_dir()
self.reinit_logging() |
def write_pid_file(self, overwrite=False):
"""Create a .pid file in the pid_dir with my pid.
This must be called after pre_construct, which sets `self.pid_dir`.
This raises :exc:`PIDFileError` if the pid file exists already.
"""
pid_file = os.path.join(self.profile_dir.pid_dir, ... |
def remove_pid_file(self):
"""Remove the pid file.
This should be called at shutdown by registering a callback with
:func:`reactor.addSystemEventTrigger`. This needs to return
``None``.
"""
pid_file = os.path.join(self.profile_dir.pid_dir, self.name + u'.pid')
if... |
def get_pid_from_file(self):
"""Get the pid from the pid file.
If the pid file doesn't exist a :exc:`PIDFileError` is raised.
"""
pid_file = os.path.join(self.profile_dir.pid_dir, self.name + u'.pid')
if os.path.isfile(pid_file):
with open(pid_file, 'r') as f:
... |
def construct_parser(magic_func):
""" Construct an argument parser using the function decorations.
"""
kwds = getattr(magic_func, 'argcmd_kwds', {})
if 'description' not in kwds:
kwds['description'] = getattr(magic_func, '__doc__', None)
arg_name = real_name(magic_func)
parser = MagicArg... |
def real_name(magic_func):
""" Find the real name of the magic.
"""
magic_name = magic_func.__name__
if magic_name.startswith('magic_'):
magic_name = magic_name[len('magic_'):]
return getattr(magic_func, 'argcmd_name', magic_name) |
def add_to_parser(self, parser, group):
""" Add this object's information to the parser.
"""
if group is not None:
parser = group
parser.add_argument(*self.args, **self.kwds)
return None |
def add_to_parser(self, parser, group):
""" Add this object's information to the parser.
"""
return parser.add_argument_group(*self.args, **self.kwds) |
def highlightBlock(self, string):
""" Highlight a block of text. Reimplemented to highlight selectively.
"""
if not self.highlighting_on:
return
# The input to this function is a unicode string that may contain
# paragraph break characters, non-breaking spaces, etc. ... |
def rehighlightBlock(self, block):
""" Reimplemented to temporarily enable highlighting if disabled.
"""
old = self.highlighting_on
self.highlighting_on = True
super(FrontendHighlighter, self).rehighlightBlock(block)
self.highlighting_on = old |
def setFormat(self, start, count, format):
""" Reimplemented to highlight selectively.
"""
start += self._current_offset
super(FrontendHighlighter, self).setFormat(start, count, format) |
def copy(self):
""" Copy the currently selected text to the clipboard, removing prompts.
"""
if self._page_control is not None and self._page_control.hasFocus():
self._page_control.copy()
elif self._control.hasFocus():
text = self._control.textCursor().selection()... |
def _is_complete(self, source, interactive):
""" Returns whether 'source' can be completely processed and a new
prompt created. When triggered by an Enter/Return key press,
'interactive' is True; otherwise, it is False.
"""
complete = self._input_splitter.push(source)
... |
def _execute(self, source, hidden):
""" Execute 'source'. If 'hidden', do not show any output.
See parent class :meth:`execute` docstring for full details.
"""
msg_id = self.kernel_manager.shell_channel.execute(source, hidden)
self._request_info['execute'][msg_id] = self._Execut... |
def _prompt_finished_hook(self):
""" Called immediately after a prompt is finished, i.e. when some input
will be processed and a new prompt displayed.
"""
# Flush all state from the input splitter so the next round of
# reading input starts with a clean buffer.
self._... |
def _tab_pressed(self):
""" Called when the tab key is pressed. Returns whether to continue
processing the event.
"""
# Perform tab completion if:
# 1) The cursor is in the input buffer.
# 2) There is a non-whitespace character before the cursor.
text = self._... |
def _context_menu_make(self, pos):
""" Reimplemented to add an action for raw copy.
"""
menu = super(FrontendWidget, self)._context_menu_make(pos)
for before_action in menu.actions():
if before_action.shortcut().matches(QtGui.QKeySequence.Paste) == \
QtGui... |
def _event_filter_console_keypress(self, event):
""" Reimplemented for execution interruption and smart backspace.
"""
key = event.key()
if self._control_key_down(event.modifiers(), include_command=False):
if key == QtCore.Qt.Key_C and self._executing:
self.r... |
def _insert_continuation_prompt(self, cursor):
""" Reimplemented for auto-indentation.
"""
super(FrontendWidget, self)._insert_continuation_prompt(cursor)
cursor.insertText(' ' * self._input_splitter.indent_spaces) |
def _handle_complete_reply(self, rep):
""" Handle replies for tab completion.
"""
self.log.debug("complete: %s", rep.get('content', ''))
cursor = self._get_cursor()
info = self._request_info.get('complete')
if info and info.id == rep['parent_header']['msg_id'] and \
... |
def _silent_exec_callback(self, expr, callback):
"""Silently execute `expr` in the kernel and call `callback` with reply
the `expr` is evaluated silently in the kernel (without) output in
the frontend. Call `callback` with the
`repr <http://docs.python.org/library/functions.html#repr> `... |
def _handle_exec_callback(self, msg):
"""Execute `callback` corresponding to `msg` reply, after ``_silent_exec_callback``
Parameters
----------
msg : raw message send by the kernel containing an `user_expressions`
and having a 'silent_exec_callback' kind.
Notes
... |
def _handle_execute_reply(self, msg):
""" Handles replies for code execution.
"""
self.log.debug("execute: %s", msg.get('content', ''))
msg_id = msg['parent_header']['msg_id']
info = self._request_info['execute'].get(msg_id)
# unset reading flag, because if execute finish... |
def _handle_input_request(self, msg):
""" Handle requests for raw_input.
"""
self.log.debug("input: %s", msg.get('content', ''))
if self._hidden:
raise RuntimeError('Request for raw input during hidden execution.')
# Make sure that all output from the SUB channel has... |
def _handle_kernel_died(self, since_last_heartbeat):
""" Handle the kernel's death by asking if the user wants to restart.
"""
self.log.debug("kernel died: %s", since_last_heartbeat)
if self.custom_restart:
self.custom_restart_kernel_died.emit(since_last_heartbeat)
el... |
def _handle_object_info_reply(self, rep):
""" Handle replies for call tips.
"""
self.log.debug("oinfo: %s", rep.get('content', ''))
cursor = self._get_cursor()
info = self._request_info.get('call_tip')
if info and info.id == rep['parent_header']['msg_id'] and \
... |
def _handle_pyout(self, msg):
""" Handle display hook output.
"""
self.log.debug("pyout: %s", msg.get('content', ''))
if not self._hidden and self._is_from_this_session(msg):
text = msg['content']['data']
self._append_plain_text(text + '\n', before_prompt=True) |
def _handle_stream(self, msg):
""" Handle stdout, stderr, and stdin.
"""
self.log.debug("stream: %s", msg.get('content', ''))
if not self._hidden and self._is_from_this_session(msg):
# Most consoles treat tabs as being 8 space characters. Convert tabs
# to spaces ... |
def _handle_shutdown_reply(self, msg):
""" Handle shutdown signal, only if from other console.
"""
self.log.debug("shutdown: %s", msg.get('content', ''))
if not self._hidden and not self._is_from_this_session(msg):
if self._local_kernel:
if not msg['content'][... |
def execute_file(self, path, hidden=False):
""" Attempts to execute file with 'path'. If 'hidden', no output is
shown.
"""
self.execute('execfile(%r)' % path, hidden=hidden) |
def interrupt_kernel(self):
""" Attempts to interrupt the running kernel.
Also unsets _reading flag, to avoid runtime errors
if raw_input is called again.
"""
if self.custom_interrupt:
self._reading = False
self.custom_interrupt_requested.emit()
... |
def reset(self, clear=False):
""" Resets the widget to its initial state if ``clear`` parameter or
``clear_on_kernel_restart`` configuration setting is True, otherwise
prints a visual indication of the fact that the kernel restarted, but
does not clear the traces from previous usage of t... |
def restart_kernel(self, message, now=False):
""" Attempts to restart the running kernel.
"""
# FIXME: now should be configurable via a checkbox in the dialog. Right
# now at least the heartbeat path sets it to True and the manual restart
# to False. But those should just be th... |
def _call_tip(self):
""" Shows a call tip, if appropriate, at the current cursor location.
"""
# Decide if it makes sense to show a call tip
if not self.enable_calltips:
return False
cursor = self._get_cursor()
cursor.movePosition(QtGui.QTextCursor.Left)
... |
def _complete(self):
""" Performs completion at the current cursor location.
"""
context = self._get_context()
if context:
# Send the completion request to the kernel
msg_id = self.kernel_manager.shell_channel.complete(
'.'.join(context), ... |
def _get_context(self, cursor=None):
""" Gets the context for the specified cursor (or the current cursor
if none is specified).
"""
if cursor is None:
cursor = self._get_cursor()
cursor.movePosition(QtGui.QTextCursor.StartOfBlock,
QtGu... |
def _process_execute_error(self, msg):
""" Process a reply for an execution request that resulted in an error.
"""
content = msg['content']
# If a SystemExit is passed along, this means exit() was called - also
# all the ipython %exit magic syntax of '-k' to be used to keep
... |
def _process_execute_ok(self, msg):
""" Process a reply for a successful execution request.
"""
payload = msg['content']['payload']
for item in payload:
if not self._process_execute_payload(item):
warning = 'Warning: received unknown payload of type %s'
... |
def _document_contents_change(self, position, removed, added):
""" Called whenever the document's content changes. Display a call tip
if appropriate.
"""
# Calculate where the cursor should be *after* the change:
position += added
document = self._control.document()
... |
def addPlugin(self, plugin, call):
"""Add plugin to my list of plugins to call, if it has the attribute
I'm bound to.
"""
meth = getattr(plugin, call, None)
if meth is not None:
if call == 'loadTestsFromModule' and \
len(inspect.getargspec(meth)[0]... |
def chain(self, *arg, **kw):
"""Call plugins in a chain, where the result of each plugin call is
sent to the next plugin as input. The final output result is returned.
"""
result = None
# extract the static arguments (if any) from arg so they can
# be passed to each plugi... |
def generate(self, *arg, **kw):
"""Call all plugins, yielding each item in each non-None result.
"""
for p, meth in self.plugins:
result = None
try:
result = meth(*arg, **kw)
if result is not None:
for r in result:
... |
def simple(self, *arg, **kw):
"""Call all plugins, returning the first non-None result.
"""
for p, meth in self.plugins:
result = meth(*arg, **kw)
if result is not None:
return result |
def addPlugins(self, plugins=(), extraplugins=()):
"""extraplugins are maintained in a separate list and
re-added by loadPlugins() to prevent their being overwritten
by plugins added by a subclass of PluginManager
"""
self._extraplugins = extraplugins
for plug in iterchai... |
def configure(self, options, config):
"""Configure the set of plugins with the given options
and config instance. After configuration, disabled plugins
are removed from the plugins list.
"""
log.debug("Configuring plugins")
self.config = config
cfg = PluginProxy('... |
def loadPlugins(self):
"""Load plugins by iterating the `nose.plugins` entry point.
"""
from pkg_resources import iter_entry_points
loaded = {}
for entry_point, adapt in self.entry_points:
for ep in iter_entry_points(entry_point):
if ep.name in loaded:... |
def loadPlugins(self):
"""Load plugins in nose.plugins.builtin
"""
from nose.plugins import builtin
for plug in builtin.plugins:
self.addPlugin(plug())
super(BuiltinPluginManager, self).loadPlugins() |
def latex_to_png(s, encode=False, backend='mpl'):
"""Render a LaTeX string to PNG.
Parameters
----------
s : str
The raw string containing valid inline LaTeX.
encode : bool, optional
Should the PNG data bebase64 encoded to make it JSON'able.
backend : {mpl, dvipng}
Backe... |
def latex_to_html(s, alt='image'):
"""Render LaTeX to HTML with embedded PNG data using data URIs.
Parameters
----------
s : str
The raw string containing valid inline LateX.
alt : str
The alt text to use for the HTML.
"""
base64_data = latex_to_png(s, encode=True)
if ba... |
def math_to_image(s, filename_or_obj, prop=None, dpi=None, format=None):
"""
Given a math expression, renders it in a closely-clipped bounding
box to an image file.
*s*
A math expression. The math portion should be enclosed in
dollar signs.
*filename_or_obj*
A filepath or wri... |
def build(self):
"""Build wheels."""
# unpack and constructs req set
self.requirement_set.prepare_files(self.finder)
reqset = self.requirement_set.requirements.values()
buildset = []
for req in reqset:
if req.is_wheel:
logger.info(
... |
def parse_editable(editable_req, default_vcs=None):
"""Parses svn+http://blahblah@rev#egg=Foobar into a requirement
(Foobar) and a URL"""
url = editable_req
extras = None
# If a file path is specified with extras, strip off the extras.
m = re.match(r'^(.+)(\[[^\]]+\])$', url)
if m:
... |
def uninstall(self, auto_confirm=False):
"""
Uninstall the distribution currently satisfying this requirement.
Prompts before removing or modifying files unless
``auto_confirm`` is True.
Refuses to delete or modify files outside of ``sys.prefix`` -
thus uninstallation w... |
def check_if_exists(self):
"""Find an installed distribution that satisfies or conflicts
with this requirement, and set self.satisfied_by or
self.conflicts_with appropriately."""
if self.req is None:
return False
try:
self.satisfied_by = pkg_resources.get_... |
def cleanup_files(self, bundle=False):
"""Clean up files, remove builds."""
logger.notify('Cleaning up...')
logger.indent += 2
for req in self.reqs_to_cleanup:
req.remove_temporary_source()
remove_dir = []
if self._pip_has_created_build_dir():
rem... |
def install(self, install_options, global_options=()):
"""Install everything in this set (after having downloaded and unpacked the packages)"""
to_install = [r for r in self.requirements.values()
if not r.satisfied_by]
if to_install:
logger.notify('Installing c... |
def process_iter():
"""Return a generator yielding a Process class instance for all
running processes on the local machine.
Every new Process instance is only created once and then cached
into an internal table which is updated every time this is used.
The sorting order in which processes are yiel... |
def cpu_percent(interval=0.1, percpu=False):
"""Return a float representing the current system-wide CPU
utilization as a percentage.
When interval is > 0.0 compares system CPU times elapsed before
and after the interval (blocking).
When interval is 0.0 or None compares system CPU times elapsed
... |
def disk_io_counters(perdisk=False):
"""Return system disk I/O statistics as a namedtuple including
the following attributes:
- read_count: number of reads
- write_count: number of writes
- read_bytes: number of bytes read
- write_bytes: number of bytes written
- read_time: time sp... |
def network_io_counters(pernic=False):
"""Return network I/O statistics as a namedtuple including
the following attributes:
- bytes_sent: number of bytes sent
- bytes_recv: number of bytes received
- packets_sent: number of packets sent
- packets_recv: number of packets received
- ... |
def phymem_usage():
"""Return the amount of total, used and free physical memory
on the system in bytes plus the percentage usage.
Deprecated by psutil.virtual_memory().
"""
mem = virtual_memory()
return _nt_sysmeminfo(mem.total, mem.used, mem.free, mem.percent) |
def as_dict(self, attrs=[], ad_value=None):
"""Utility method returning process information as a hashable
dictionary.
If 'attrs' is specified it must be a list of strings reflecting
available Process class's attribute names (e.g. ['get_cpu_times',
'name']) else all public (read ... |
def name(self):
"""The process name."""
name = self._platform_impl.get_process_name()
if os.name == 'posix':
# On UNIX the name gets truncated to the first 15 characters.
# If it matches the first part of the cmdline we return that
# one instead because it's u... |
def exe(self):
"""The process executable path. May also be an empty string."""
def guess_it(fallback):
# try to guess exe from cmdline[0] in absence of a native
# exe representation
cmdline = self.cmdline
if cmdline and hasattr(os, 'access') and hasattr(os... |
def username(self):
"""The name of the user that owns the process.
On UNIX this is calculated by using *real* process uid.
"""
if os.name == 'posix':
if pwd is None:
# might happen if python was installed from sources
raise ImportError("require... |
def get_children(self, recursive=False):
"""Return the children of this process as a list of Process
objects.
If recursive is True return all the parent descendants.
Example (A == this process):
A ─┐
│
├─ B (child) ─┐
│ └─ X (gra... |
def get_cpu_percent(self, interval=0.1):
"""Return a float representing the current process CPU
utilization as a percentage.
When interval is > 0.0 compares process times to system CPU
times elapsed before and after the interval (blocking).
When interval is 0.0 or None compares... |
def get_memory_percent(self):
"""Compare physical system memory to process resident memory and
calculate process memory utilization as a percentage.
"""
rss = self._platform_impl.get_memory_info()[0]
try:
return (rss / float(TOTAL_PHYMEM)) * 100
except ZeroDiv... |
def get_memory_maps(self, grouped=True):
"""Return process's mapped memory regions as a list of nameduples
whose fields are variable depending on the platform.
If 'grouped' is True the mapped regions with the same 'path'
are grouped together and the different memory fields are summed.
... |
def is_running(self):
"""Return whether this process is running."""
if self._gone:
return False
try:
# Checking if pid is alive is not enough as the pid might
# have been reused by another process.
# pid + creation time, on the other hand, is suppo... |
def send_signal(self, sig):
"""Send a signal to process (see signal module constants).
On Windows only SIGTERM is valid and is treated as an alias
for kill().
"""
# safety measure in case the current process has been killed in
# meantime and the kernel reused its PID
... |
def suspend(self):
"""Suspend process execution."""
# safety measure in case the current process has been killed in
# meantime and the kernel reused its PID
if not self.is_running():
name = self._platform_impl._process_name
raise NoSuchProcess(self.pid, name)
... |
def resume(self):
"""Resume process execution."""
# safety measure in case the current process has been killed in
# meantime and the kernel reused its PID
if not self.is_running():
name = self._platform_impl._process_name
raise NoSuchProcess(self.pid, name)
... |
def kill(self):
"""Kill the current process."""
# safety measure in case the current process has been killed in
# meantime and the kernel reused its PID
if not self.is_running():
name = self._platform_impl._process_name
raise NoSuchProcess(self.pid, name)
... |
def wait(self, timeout=None):
"""Wait for process to terminate and, if process is a children
of the current one also return its exit code, else None.
"""
if timeout is not None and not timeout >= 0:
raise ValueError("timeout must be a positive integer")
return self._p... |
def nice(self):
"""Get or set process niceness (priority).
Deprecated, use get_nice() instead.
"""
msg = "this property is deprecated; use Process.get_nice() method instead"
warnings.warn(msg, category=DeprecationWarning, stacklevel=2)
return self.get_nice() |
def _wire_kernel(self):
"""Initializes the kernel inside GTK.
This is meant to run only once at startup, so it does its job and
returns False to ensure it doesn't get run again by GTK.
"""
self.gtk_main, self.gtk_main_quit = self._hijack_gtk()
gobject.timeout_add... |
def _hijack_gtk(self):
"""Hijack a few key functions in GTK for IPython integration.
Modifies pyGTK's main and main_quit with a dummy so user code does not
block IPython. This allows us to use %run to run arbitrary pygtk
scripts from a long-lived IPython session, and when they attempt ... |
def is_shadowed(identifier, ip):
"""Is the given identifier defined in one of the namespaces which shadow
the alias and magic namespaces? Note that an identifier is different
than ifun, because it can not contain a '.' character."""
# This is much safer than calling ofind, which can change state
re... |
def init_transformers(self):
"""Create the default transformers."""
self._transformers = []
for transformer_cls in _default_transformers:
transformer_cls(
shell=self.shell, prefilter_manager=self, config=self.config
) |
def register_transformer(self, transformer):
"""Register a transformer instance."""
if transformer not in self._transformers:
self._transformers.append(transformer)
self.sort_transformers() |
def unregister_transformer(self, transformer):
"""Unregister a transformer instance."""
if transformer in self._transformers:
self._transformers.remove(transformer) |
def init_checkers(self):
"""Create the default checkers."""
self._checkers = []
for checker in _default_checkers:
checker(
shell=self.shell, prefilter_manager=self, config=self.config
) |
def register_checker(self, checker):
"""Register a checker instance."""
if checker not in self._checkers:
self._checkers.append(checker)
self.sort_checkers() |
def unregister_checker(self, checker):
"""Unregister a checker instance."""
if checker in self._checkers:
self._checkers.remove(checker) |
def init_handlers(self):
"""Create the default handlers."""
self._handlers = {}
self._esc_handlers = {}
for handler in _default_handlers:
handler(
shell=self.shell, prefilter_manager=self, config=self.config
) |
def register_handler(self, name, handler, esc_strings):
"""Register a handler instance by name with esc_strings."""
self._handlers[name] = handler
for esc_str in esc_strings:
self._esc_handlers[esc_str] = handler |
def unregister_handler(self, name, handler, esc_strings):
"""Unregister a handler instance by name with esc_strings."""
try:
del self._handlers[name]
except KeyError:
pass
for esc_str in esc_strings:
h = self._esc_handlers.get(esc_str)
if h... |
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