#$@%#$%!

Ngiler SH3LL 360
: / lib64 / python3.6 / site-packages / gi /

Information Server
MySQL : OFF Perl : OFF CURL : ON WGET : OFF PKEXEC : OFF

Directive	Local Value
IP Address	162.0.209.101
System	Linux premium169.web-hosting.com 4.18.0-553.50.1.lve.el8.x86_64 #1 SMP Thu Apr 17 19:10:24 UTC 2025 x86_64
User	luxeelil
PHP Version	8.0.30
Software	LiteSpeed
Doc root	Writable

Edit File : _signalhelper.py \| Size : 9.61 KB
# -- Mode: Python; py-indent-offset: 4 -- # pygobject - Python bindings for the GObject library # Copyright (C) 2012 Simon Feltman # # gi/_signalhelper.py: GObject signal binding decorator object # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, see <http://www.gnu.org/licenses/>. import sys from . import _gi # Callable went away in python 3.0 and came back in 3.2. # Use versioning to figure out when to define it, otherwise we have to deal with # the complexity of using __builtin__ or builtin between python versions to # check if callable exists which PyFlakes will also complain about. if (3, 0) <= sys.version_info < (3, 2): def callable(fn): return hasattr(fn, '__call__') class Signal(str): """Object which gives a nice API for creating and binding signals. :param name: Name of signal or callable closure when used as a decorator. :type name: str or callable :param callable func: Callable closure method. :param GObject.SignalFlags flags: Flags specifying when to run closure. :param type return_type: Return type of the Signal. :param list arg_types: List of argument types specifying the signals function signature :param str doc: Documentation of signal object. :param callable accumulator: Accumulator method with the signature: func(ihint, return_accu, handler_return, accu_data) -> boolean :param object accu_data: User data passed to the accumulator. :Example: .. code-block:: python class Spam(GObject.Object): velocity = 0 @GObject.Signal def pushed(self): self.velocity += 1 @GObject.Signal(flags=GObject.SignalFlags.RUN_LAST) def pulled(self): self.velocity -= 1 stomped = GObject.Signal('stomped', arg_types=(int,)) @GObject.Signal def annotated_signal(self, a:int, b:str): "Python3 annotation support for parameter types. def on_pushed(obj): print(obj) spam = Spam() spam.pushed.connect(on_pushed) spam.pushed.emit() """ class BoundSignal(str): """ Temporary binding object which can be used for connecting signals without specifying the signal name string to connect. """ def __new__(cls, name, args, kargs): return str.__new__(cls, name) def __init__(self, signal, gobj): str.__init__(self) self.signal = signal self.gobj = gobj def __repr__(self): return 'BoundSignal("%s")' % self def __call__(self, args, *kargs): """Call the signals closure.""" return self.signal.func(self.gobj, args, *kargs) def connect(self, callback, args, *kargs): """Same as GObject.Object.connect except there is no need to specify the signal name.""" return self.gobj.connect(self, callback, args, *kargs) def connect_detailed(self, callback, detail, args, *kargs): """Same as GObject.Object.connect except there is no need to specify the signal name. In addition concats "::<detail>" to the signal name when connecting; for use with notifications like "notify" when a property changes. """ return self.gobj.connect(self + '::' + detail, callback, args, *kargs) def disconnect(self, handler_id): """Same as GObject.Object.disconnect.""" self.instance.disconnect(handler_id) def emit(self, args, *kargs): """Same as GObject.Object.emit except there is no need to specify the signal name.""" return self.gobj.emit(str(self), args, *kargs) def __new__(cls, name='', args, *kargs): if callable(name): name = name.__name__ return str.__new__(cls, name) def __init__(self, name='', func=None, flags=_gi.SIGNAL_RUN_FIRST, return_type=None, arg_types=None, doc='', accumulator=None, accu_data=None): if func and not name: name = func.__name__ elif callable(name): func = name name = func.__name__ if func and not doc: doc = func.__doc__ str.__init__(self) if func and not (return_type or arg_types): return_type, arg_types = get_signal_annotations(func) if arg_types is None: arg_types = tuple() self.func = func self.flags = flags self.return_type = return_type self.arg_types = arg_types self.__doc__ = doc self.accumulator = accumulator self.accu_data = accu_data def __get__(self, instance, owner=None): """Returns a BoundSignal when accessed on an object instance.""" if instance is None: return self return self.BoundSignal(self, instance) def __call__(self, obj, args, *kargs): """Allows for instantiated Signals to be used as a decorator or calling of the underlying signal method.""" # If obj is a GObject, than we call this signal as a closure otherwise # it is used as a re-application of a decorator. if isinstance(obj, _gi.GObject): self.func(obj, args, **kargs) else: # If self is already an allocated name, use it otherwise create a new named # signal using the closure name as the name. if str(self): name = str(self) else: name = obj.__name__ # Return a new value of this type since it is based on an immutable string. return type(self)(name=name, func=obj, flags=self.flags, return_type=self.return_type, arg_types=self.arg_types, doc=self.__doc__, accumulator=self.accumulator, accu_data=self.accu_data) def copy(self, newName=None): """Returns a renamed copy of the Signal.""" if newName is None: newName = self.name return type(self)(name=newName, func=self.func, flags=self.flags, return_type=self.return_type, arg_types=self.arg_types, doc=self.__doc__, accumulator=self.accumulator, accu_data=self.accu_data) def get_signal_args(self): """Returns a tuple of: (flags, return_type, arg_types, accumulator, accu_data)""" return (self.flags, self.return_type, self.arg_types, self.accumulator, self.accu_data) class SignalOverride(Signal): """Specialized sub-class of Signal which can be used as a decorator for overriding existing signals on GObjects. :Example: .. code-block:: python class MyWidget(Gtk.Widget): @GObject.SignalOverride def configure_event(self): pass """ def get_signal_args(self): """Returns the string 'override'.""" return 'override' def get_signal_annotations(func): """Attempt pulling python 3 function annotations off of 'func' for use as a signals type information. Returns an ordered nested tuple of (return_type, (arg_type1, arg_type2, ...)). If the given function does not have annotations then (None, tuple()) is returned. """ arg_types = tuple() return_type = None if hasattr(func, '__annotations__'): # import inspect only when needed because it takes ~10 msec to load import inspect spec = inspect.getfullargspec(func) arg_types = tuple(spec.annotations[arg] for arg in spec.args if arg in spec.annotations) if 'return' in spec.annotations: return_type = spec.annotations['return'] return return_type, arg_types def install_signals(cls): """Adds Signal instances on a GObject derived class into the '__gsignals__' dictionary to be picked up and registered as real GObject signals. """ gsignals = cls.__dict__.get('__gsignals__', {}) newsignals = {} for name, signal in cls.__dict__.items(): if isinstance(signal, Signal): signalName = str(signal) # Fixup a signal which is unnamed by using the class variable name. # Since Signal is based on string which immutable, # we must copy and replace the class variable. if not signalName: signalName = name signal = signal.copy(name) setattr(cls, name, signal) if signalName in gsignals: raise ValueError('Signal "%s" has already been registered.' % name) newsignals[signalName] = signal gsignals[signalName] = signal.get_signal_args() cls.__gsignals__ = gsignals # Setup signal closures by adding the specially named # method to the class in the form of "do_<signal_name>". for name, signal in newsignals.items(): if signal.func is not None: funcName = 'do_' + name.replace('-', '_') if not hasattr(cls, funcName): setattr(cls, funcName, signal.func) Back

Edit File : _signalhelper.py | Size : 9.61 KB

# -*- Mode: Python; py-indent-offset: 4 -*-
# pygobject - Python bindings for the GObject library
# Copyright (C) 2012 Simon Feltman
#
#   gi/_signalhelper.py: GObject signal binding decorator object
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, see <http://www.gnu.org/licenses/>.

import sys

from . import _gi

# Callable went away in python 3.0 and came back in 3.2.
# Use versioning to figure out when to define it, otherwise we have to deal with
# the complexity of using __builtin__ or builtin between python versions to
# check if callable exists which PyFlakes will also complain about.
if (3, 0) <= sys.version_info < (3, 2):
    def callable(fn):
        return hasattr(fn, '__call__')

class Signal(str):
    """Object which gives a nice API for creating and binding signals.

:param name:
        Name of signal or callable closure when used as a decorator.
    :type name: str or callable
    :param callable func:
        Callable closure method.
    :param GObject.SignalFlags flags:
        Flags specifying when to run closure.
    :param type return_type:
        Return type of the Signal.
    :param list arg_types:
        List of argument types specifying the signals function signature
    :param str doc:
        Documentation of signal object.
    :param callable accumulator:
        Accumulator method with the signature:
        func(ihint, return_accu, handler_return, accu_data) -> boolean
    :param object accu_data:
        User data passed to the accumulator.

:Example:

.. code-block:: python

class Spam(GObject.Object):
            velocity = 0

@GObject.Signal
            def pushed(self):
                self.velocity += 1

@GObject.Signal(flags=GObject.SignalFlags.RUN_LAST)
            def pulled(self):
                self.velocity -= 1

stomped = GObject.Signal('stomped', arg_types=(int,))

@GObject.Signal
            def annotated_signal(self, a:int, b:str):
                "Python3 annotation support for parameter types.

def on_pushed(obj):
            print(obj)

spam = Spam()
        spam.pushed.connect(on_pushed)
        spam.pushed.emit()
    """
    class BoundSignal(str):
        """
        Temporary binding object which can be used for connecting signals
        without specifying the signal name string to connect.
        """
        def __new__(cls, name, *args, **kargs):
            return str.__new__(cls, name)

def __init__(self, signal, gobj):
            str.__init__(self)
            self.signal = signal
            self.gobj = gobj

def __repr__(self):
            return 'BoundSignal("%s")' % self

def __call__(self, *args, **kargs):
            """Call the signals closure."""
            return self.signal.func(self.gobj, *args, **kargs)

def connect(self, callback, *args, **kargs):
            """Same as GObject.Object.connect except there is no need to specify
            the signal name."""
            return self.gobj.connect(self, callback, *args, **kargs)

def connect_detailed(self, callback, detail, *args, **kargs):
            """Same as GObject.Object.connect except there is no need to specify
            the signal name. In addition concats "::<detail>" to the signal name
            when connecting; for use with notifications like "notify" when a property
            changes.
            """
            return self.gobj.connect(self + '::' + detail, callback, *args, **kargs)

def disconnect(self, handler_id):
            """Same as GObject.Object.disconnect."""
            self.instance.disconnect(handler_id)

def emit(self, *args, **kargs):
            """Same as GObject.Object.emit except there is no need to specify
            the signal name."""
            return self.gobj.emit(str(self), *args, **kargs)

def __new__(cls, name='', *args, **kargs):
        if callable(name):
            name = name.__name__
        return str.__new__(cls, name)

def __init__(self, name='', func=None, flags=_gi.SIGNAL_RUN_FIRST,
                 return_type=None, arg_types=None, doc='', accumulator=None, accu_data=None):
        if func and not name:
            name = func.__name__
        elif callable(name):
            func = name
            name = func.__name__
        if func and not doc:
            doc = func.__doc__

str.__init__(self)

if func and not (return_type or arg_types):
            return_type, arg_types = get_signal_annotations(func)
        if arg_types is None:
            arg_types = tuple()

self.func = func
        self.flags = flags
        self.return_type = return_type
        self.arg_types = arg_types
        self.__doc__ = doc
        self.accumulator = accumulator
        self.accu_data = accu_data

def __get__(self, instance, owner=None):
        """Returns a BoundSignal when accessed on an object instance."""
        if instance is None:
            return self
        return self.BoundSignal(self, instance)

def __call__(self, obj, *args, **kargs):
        """Allows for instantiated Signals to be used as a decorator or calling
        of the underlying signal method."""

# If obj is a GObject, than we call this signal as a closure otherwise
        # it is used as a re-application of a decorator.
        if isinstance(obj, _gi.GObject):
            self.func(obj, *args, **kargs)
        else:
            # If self is already an allocated name, use it otherwise create a new named
            # signal using the closure name as the name.
            if str(self):
                name = str(self)
            else:
                name = obj.__name__
            # Return a new value of this type since it is based on an immutable string.
            return type(self)(name=name, func=obj, flags=self.flags,
                              return_type=self.return_type, arg_types=self.arg_types,
                              doc=self.__doc__, accumulator=self.accumulator, accu_data=self.accu_data)

def copy(self, newName=None):
        """Returns a renamed copy of the Signal."""
        if newName is None:
            newName = self.name
        return type(self)(name=newName, func=self.func, flags=self.flags,
                          return_type=self.return_type, arg_types=self.arg_types,
                          doc=self.__doc__, accumulator=self.accumulator, accu_data=self.accu_data)

def get_signal_args(self):
        """Returns a tuple of: (flags, return_type, arg_types, accumulator, accu_data)"""
        return (self.flags, self.return_type, self.arg_types, self.accumulator, self.accu_data)

class SignalOverride(Signal):
    """Specialized sub-class of Signal which can be used as a decorator for overriding
    existing signals on GObjects.

:Example:

.. code-block:: python

class MyWidget(Gtk.Widget):
            @GObject.SignalOverride
            def configure_event(self):
                pass
    """
    def get_signal_args(self):
        """Returns the string 'override'."""
        return 'override'

def get_signal_annotations(func):
    """Attempt pulling python 3 function annotations off of 'func' for
    use as a signals type information. Returns an ordered nested tuple
    of (return_type, (arg_type1, arg_type2, ...)). If the given function
    does not have annotations then (None, tuple()) is returned.
    """
    arg_types = tuple()
    return_type = None

if hasattr(func, '__annotations__'):
        # import inspect only when needed because it takes ~10 msec to load
        import inspect
        spec = inspect.getfullargspec(func)
        arg_types = tuple(spec.annotations[arg] for arg in spec.args
                          if arg in spec.annotations)
        if 'return' in spec.annotations:
            return_type = spec.annotations['return']

return return_type, arg_types

def install_signals(cls):
    """Adds Signal instances on a GObject derived class into the '__gsignals__'
    dictionary to be picked up and registered as real GObject signals.
    """
    gsignals = cls.__dict__.get('__gsignals__', {})
    newsignals = {}
    for name, signal in cls.__dict__.items():
        if isinstance(signal, Signal):
            signalName = str(signal)
            # Fixup a signal which is unnamed by using the class variable name.
            # Since Signal is based on string which immutable,
            # we must copy and replace the class variable.
            if not signalName:
                signalName = name
                signal = signal.copy(name)
                setattr(cls, name, signal)
            if signalName in gsignals:
                raise ValueError('Signal "%s" has already been registered.' % name)
            newsignals[signalName] = signal
            gsignals[signalName] = signal.get_signal_args()

cls.__gsignals__ = gsignals

# Setup signal closures by adding the specially named
    # method to the class in the form of "do_<signal_name>".
    for name, signal in newsignals.items():
        if signal.func is not None:
            funcName = 'do_' + name.replace('-', '_')
            if not hasattr(cls, funcName):
                setattr(cls, funcName, signal.func)

Back