fr/fr_env/lib/python3.8/site-packages/PyQt5/uic/Compiler/qtproxies.py

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#############################################################################
##
## Copyright (C) 2020 Riverbank Computing Limited.
## Copyright (C) 2006 Thorsten Marek.
## All right reserved.
##
## This file is part of PyQt.
##
## You may use this file under the terms of the GPL v2 or the revised BSD
## license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of the Riverbank Computing Limited nor the names
## of its contributors may be used to endorse or promote products
## derived from this software without specific prior written
## permission.
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
#############################################################################
import sys
import re
from .indenter import write_code
from .misc import Literal, moduleMember
if sys.hexversion >= 0x03000000:
from ..port_v3.proxy_base import ProxyBase
from ..port_v3.as_string import as_string
else:
from ..port_v2.proxy_base import ProxyBase
from ..port_v2.as_string import as_string
i18n_strings = []
i18n_context = ""
def i18n_print(string):
i18n_strings.append(string)
def i18n_void_func(name):
def _printer(self, *args):
i18n_print("%s.%s(%s)" % (self, name, ", ".join(map(as_string, args))))
return _printer
def i18n_func(name):
def _printer(self, rname, *args):
i18n_print("%s = %s.%s(%s)" % (rname, self, name, ", ".join(map(as_string, args))))
return Literal(rname)
return _printer
def strict_getattr(module, clsname):
cls = getattr(module, clsname)
if issubclass(cls, LiteralProxyClass):
raise AttributeError(cls)
else:
return cls
class i18n_string(object):
def __init__(self, string, disambig):
self.string = string
self.disambig = disambig
def __str__(self):
if self.disambig is None:
return '_translate("%s", %s)' % (i18n_context, as_string(self.string))
return '_translate("%s", %s, %s)' % (i18n_context, as_string(self.string), as_string(self.disambig))
# Classes with this flag will be handled as literal values. If functions are
# called on these classes, the literal value changes.
# Example:
# the code
# >>> QSize(9,10).expandedTo(...)
# will print just that code.
AS_ARGUMENT = 0x02
# Classes with this flag may have members that are signals which themselves
# will have a connect() member.
AS_SIGNAL = 0x01
# ATTENTION: currently, classes can either be literal or normal. If a class
# should need both kinds of behaviour, the code has to be changed.
class ProxyClassMember(object):
def __init__(self, proxy, function_name, flags):
self.proxy = proxy
self.function_name = function_name
self.flags = flags
def __str__(self):
return "%s.%s" % (self.proxy, self.function_name)
def __call__(self, *args):
if self.function_name == 'setProperty':
str_args = (as_string(args[0]), as_string(args[1]))
else:
str_args = map(as_string, args)
func_call = "%s.%s(%s)" % (self.proxy,
self.function_name,
", ".join(str_args))
if self.flags & AS_ARGUMENT:
self.proxy._uic_name = func_call
return self.proxy
else:
needs_translation = False
for arg in args:
if isinstance(arg, i18n_string):
needs_translation = True
if needs_translation:
i18n_print(func_call)
else:
write_code(func_call)
def __getattribute__(self, attribute):
""" Reimplemented to create a proxy connect() if requested and this
might be a proxy for a signal.
"""
try:
return object.__getattribute__(self, attribute)
except AttributeError:
if attribute == 'connect' and self.flags & AS_SIGNAL:
return ProxyClassMember(self, attribute, 0)
raise
def __getitem__(self, idx):
""" Reimplemented to create a proxy member that should be a signal that
passes arguments. We handle signals without arguments before we get
here and never apply the index notation to them.
"""
return ProxySignalWithArguments(self.proxy, self.function_name, idx)
class ProxySignalWithArguments(object):
""" This is a proxy for (what should be) a signal that passes arguments.
"""
def __init__(self, sender, signal_name, signal_index):
self._sender = sender
self._signal_name = signal_name
# Convert the signal index, which will be a single argument or a tuple
# of arguments, to quoted strings.
if isinstance(signal_index, tuple):
self._signal_index = ','.join(["'%s'" % a for a in signal_index])
else:
self._signal_index = "'%s'" % signal_index
def connect(self, slot):
write_code("%s.%s[%s].connect(%s)" % (self._sender, self._signal_name, self._signal_index, slot))
class ProxyClass(ProxyBase):
flags = 0
def __init__(self, objectname, is_attribute, args=(), noInstantiation=False):
if objectname:
if is_attribute:
objectname = "self." + objectname
self._uic_name = objectname
else:
self._uic_name = "Unnamed"
if not noInstantiation:
funcall = "%s(%s)" % \
(moduleMember(self.module, self.__class__.__name__),
", ".join(map(str, args)))
if objectname:
funcall = "%s = %s" % (objectname, funcall)
write_code(funcall)
def __str__(self):
return self._uic_name
def __getattribute__(self, attribute):
try:
return object.__getattribute__(self, attribute)
except AttributeError:
return ProxyClassMember(self, attribute, self.flags)
class LiteralProxyClass(ProxyClass):
"""LiteralObject(*args) -> new literal class
a literal class can be used as argument in a function call
>>> class Foo(LiteralProxyClass): pass
>>> str(Foo(1,2,3)) == "Foo(1,2,3)"
"""
flags = AS_ARGUMENT
def __init__(self, *args):
self._uic_name = "%s(%s)" % \
(moduleMember(self.module, self.__class__.__name__),
", ".join(map(as_string, args)))
class ProxyNamespace(ProxyBase):
pass
# These are all the Qt classes used by pyuic5 in their namespaces. If a class
# is missing, the compiler will fail, normally with an AttributeError.
#
# For adding new classes:
# - utility classes used as literal values do not need to be listed
# because they are created on the fly as subclasses of LiteralProxyClass
# - classes which are *not* QWidgets inherit from ProxyClass and they
# have to be listed explicitly in the correct namespace. These classes
# are created via a ProxyQObjectCreator
# - new QWidget-derived classes have to inherit from qtproxies.QWidget
# If the widget does not need any special methods, it can be listed
# in _qwidgets
class QtCore(ProxyNamespace):
class Qt(ProxyNamespace):
pass
## connectSlotsByName and connect have to be handled as class methods,
## otherwise they would be created as LiteralProxyClasses and never be
## printed
class QMetaObject(ProxyClass):
@classmethod
def connectSlotsByName(cls, *args):
ProxyClassMember(cls, "connectSlotsByName", 0)(*args)
class QObject(ProxyClass):
flags = AS_SIGNAL
def metaObject(self):
class _FakeMetaObject(object):
def className(*args):
return self.__class__.__name__
return _FakeMetaObject()
def objectName(self):
return self._uic_name.split(".")[-1]
class QtGui(ProxyNamespace):
class QIcon(ProxyClass):
class fromTheme(ProxyClass): pass
class QConicalGradient(ProxyClass): pass
class QLinearGradient(ProxyClass): pass
class QRadialGradient(ProxyClass): pass
class QBrush(ProxyClass): pass
class QPainter(ProxyClass): pass
class QPalette(ProxyClass): pass
class QFont(ProxyClass): pass
# These sub-class QWidget but aren't themselves sub-classed.
_qwidgets = ("QCalendarWidget", "QDialogButtonBox", "QDockWidget", "QGroupBox",
"QLineEdit", "QMainWindow", "QMenuBar", "QOpenGLWidget",
"QProgressBar", "QStatusBar", "QToolBar", "QWizardPage")
class QtWidgets(ProxyNamespace):
class QApplication(QtCore.QObject):
@staticmethod
def translate(uiname, text, disambig):
return i18n_string(text or "", disambig)
class QSpacerItem(ProxyClass): pass
class QSizePolicy(ProxyClass): pass
# QActions inherit from QObject for the meta-object stuff and the hierarchy
# has to be correct since we have a isinstance(x, QtWidgets.QLayout) call
# in the UI parser.
class QAction(QtCore.QObject): pass
class QActionGroup(QtCore.QObject): pass
class QButtonGroup(QtCore.QObject): pass
class QLayout(QtCore.QObject): pass
class QGridLayout(QLayout): pass
class QBoxLayout(QLayout): pass
class QHBoxLayout(QBoxLayout): pass
class QVBoxLayout(QBoxLayout): pass
class QFormLayout(QLayout): pass
class QWidget(QtCore.QObject):
def font(self):
return Literal("%s.font()" % self)
def minimumSizeHint(self):
return Literal("%s.minimumSizeHint()" % self)
def sizePolicy(self):
sp = LiteralProxyClass()
sp._uic_name = "%s.sizePolicy()" % self
return sp
class QDialog(QWidget): pass
class QColorDialog(QDialog): pass
class QFileDialog(QDialog): pass
class QFontDialog(QDialog): pass
class QInputDialog(QDialog): pass
class QMessageBox(QDialog): pass
class QWizard(QDialog): pass
class QAbstractSlider(QWidget): pass
class QDial(QAbstractSlider): pass
class QScrollBar(QAbstractSlider): pass
class QSlider(QAbstractSlider): pass
class QMenu(QWidget):
def menuAction(self):
return Literal("%s.menuAction()" % self)
class QTabWidget(QWidget):
def addTab(self, *args):
text = args[-1]
if isinstance(text, i18n_string):
i18n_print("%s.setTabText(%s.indexOf(%s), %s)" % \
(self._uic_name, self._uic_name, args[0], text))
args = args[:-1] + ("", )
ProxyClassMember(self, "addTab", 0)(*args)
def indexOf(self, page):
return Literal("%s.indexOf(%s)" % (self, page))
class QComboBox(QWidget): pass
class QFontComboBox(QComboBox): pass
class QAbstractSpinBox(QWidget): pass
class QDoubleSpinBox(QAbstractSpinBox): pass
class QSpinBox(QAbstractSpinBox): pass
class QDateTimeEdit(QAbstractSpinBox): pass
class QDateEdit(QDateTimeEdit): pass
class QTimeEdit(QDateTimeEdit): pass
class QFrame(QWidget): pass
class QLabel(QFrame): pass
class QLCDNumber(QFrame): pass
class QSplitter(QFrame): pass
class QStackedWidget(QFrame): pass
class QToolBox(QFrame):
def addItem(self, *args):
text = args[-1]
if isinstance(text, i18n_string):
i18n_print("%s.setItemText(%s.indexOf(%s), %s)" % \
(self._uic_name, self._uic_name, args[0], text))
args = args[:-1] + ("", )
ProxyClassMember(self, "addItem", 0)(*args)
def indexOf(self, page):
return Literal("%s.indexOf(%s)" % (self, page))
def layout(self):
return QtWidgets.QLayout("%s.layout()" % self,
False, (), noInstantiation=True)
class QAbstractScrollArea(QFrame):
def viewport(self):
return QtWidgets.QWidget("%s.viewport()" % self, False, (),
noInstantiation=True)
class QGraphicsView(QAbstractScrollArea): pass
class QMdiArea(QAbstractScrollArea): pass
class QPlainTextEdit(QAbstractScrollArea): pass
class QScrollArea(QAbstractScrollArea): pass
class QTextEdit(QAbstractScrollArea): pass
class QTextBrowser(QTextEdit): pass
class QAbstractItemView(QAbstractScrollArea): pass
class QColumnView(QAbstractItemView): pass
class QHeaderView(QAbstractItemView): pass
class QListView(QAbstractItemView): pass
class QTableView(QAbstractItemView):
def horizontalHeader(self):
return QtWidgets.QHeaderView("%s.horizontalHeader()" % self,
False, (), noInstantiation=True)
def verticalHeader(self):
return QtWidgets.QHeaderView("%s.verticalHeader()" % self,
False, (), noInstantiation=True)
class QTreeView(QAbstractItemView):
def header(self):
return QtWidgets.QHeaderView("%s.header()" % self,
False, (), noInstantiation=True)
class QUndoView(QListView): pass
class QListWidgetItem(ProxyClass): pass
class QListWidget(QListView):
setSortingEnabled = i18n_void_func("setSortingEnabled")
isSortingEnabled = i18n_func("isSortingEnabled")
item = i18n_func("item")
class QTableWidgetItem(ProxyClass): pass
class QTableWidget(QTableView):
setSortingEnabled = i18n_void_func("setSortingEnabled")
isSortingEnabled = i18n_func("isSortingEnabled")
item = i18n_func("item")
horizontalHeaderItem = i18n_func("horizontalHeaderItem")
verticalHeaderItem = i18n_func("verticalHeaderItem")
class QTreeWidgetItem(ProxyClass):
def child(self, index):
return QtWidgets.QTreeWidgetItem("%s.child(%i)" % (self, index),
False, (), noInstantiation=True)
class QTreeWidget(QTreeView):
setSortingEnabled = i18n_void_func("setSortingEnabled")
isSortingEnabled = i18n_func("isSortingEnabled")
def headerItem(self):
return QtWidgets.QWidget("%s.headerItem()" % self, False, (),
noInstantiation=True)
def topLevelItem(self, index):
return QtWidgets.QTreeWidgetItem("%s.topLevelItem(%i)" % (self, index),
False, (), noInstantiation=True)
class QAbstractButton(QWidget): pass
class QCheckBox(QAbstractButton): pass
class QRadioButton(QAbstractButton): pass
class QToolButton(QAbstractButton): pass
class QPushButton(QAbstractButton): pass
class QCommandLinkButton(QPushButton): pass
class QKeySequenceEdit(QWidget): pass
# Add all remaining classes.
for _class in _qwidgets:
if _class not in locals():
locals()[_class] = type(_class, (QWidget, ), {})