| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253 |
- # Copyright (c) 2015-2016 Claudiu Popa <pcmanticore@gmail.com>
-
- # Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
- # For details: https://github.com/PyCQA/astroid/blob/master/COPYING.LESSER
-
- """Astroid hooks for the PyQT library."""
-
- from astroid import MANAGER, register_module_extender
- from astroid.builder import AstroidBuilder
- from astroid import nodes
- from astroid import parse
-
-
- def _looks_like_signal(node, signal_name='pyqtSignal'):
- if '__class__' in node.instance_attrs:
- try:
- cls = node.instance_attrs['__class__'][0]
- return cls.name == signal_name
- except AttributeError:
- # return False if the cls does not have a name attribute
- pass
- return False
-
-
- def transform_pyqt_signal(node):
- module = parse('''
- class pyqtSignal(object):
- def connect(self, slot, type=None, no_receiver_check=False):
- pass
- def disconnect(self, slot):
- pass
- def emit(self, *args):
- pass
- ''')
- signal_cls = module['pyqtSignal']
- node.instance_attrs['emit'] = signal_cls['emit']
- node.instance_attrs['disconnect'] = signal_cls['disconnect']
- node.instance_attrs['connect'] = signal_cls['connect']
-
-
- def pyqt4_qtcore_transform():
- return AstroidBuilder(MANAGER).string_build('''
-
- def SIGNAL(signal_name): pass
-
- class QObject(object):
- def emit(self, signal): pass
- ''')
-
-
- register_module_extender(MANAGER, 'PyQt4.QtCore', pyqt4_qtcore_transform)
- MANAGER.register_transform(nodes.FunctionDef, transform_pyqt_signal,
- _looks_like_signal)
|
