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+#############################################################################
+##
+## Copyright (C) 2017 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of PySide2.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 3 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL3 included in the
+## packaging of this file. Please review the following information to
+## ensure the GNU Lesser General Public License version 3 requirements
+## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 2.0 or (at your option) the GNU General
+## Public license version 3 or any later version approved by the KDE Free
+## Qt Foundation. The licenses are as published by the Free Software
+## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-2.0.html and
+## https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+from __future__ import print_function, absolute_import
+
+import sys
+import os
+import unittest
+from collections import OrderedDict
+from pprint import pprint
+from util import isolate_warnings, check_warnings
+import PySide2
+
+"""
+This test shows that we have over 14500 signatures,
+and that they all can be created.
+"""
+
+all_modules = list("PySide2." + x for x in PySide2.__all__)
+
+from PySide2.support.signature import parser, inspect
+
+_do_print = (True if os.isatty(sys.stdout.fileno()) or "-v" in sys.argv
+ else False)
+
+def dprint(*args, **kw):
+ if _do_print:
+ print(*args, **kw)
+
+def enum_module(mod_name):
+ __import__(mod_name)
+ count = 0
+ module = sys.modules[mod_name]
+ dprint()
+ dprint("Module", mod_name)
+ members = inspect.getmembers(module, inspect.isclass)
+ for class_name, klass in members:
+ signature = getattr(klass, '__signature__', None)
+ dprint()
+ # class_members = inspect.getmembers(klass)
+ # gives us also the inherited things.
+ dprint(" class {}:".format(class_name))
+ if signature is None:
+ pass # initialization not called?
+ elif isinstance(signature, list):
+ dprint(" with overloading():")
+ for overload in signature:
+ dprint(" def __init__" + str(overload))
+ else:
+ dprint(" def __init__" + str(signature))
+ count += 1
+ class_members = list(klass.__dict__.items())
+ have_sig = signature is not None
+ have_members = 0
+ for func_name, func in class_members:
+ signature = getattr(func, '__signature__', None)
+ if signature is not None:
+ if isinstance(signature, list):
+ dprint(" with overloading():")
+ for overload in signature:
+ dprint(" def", func_name + str(overload))
+ else:
+ dprint(" def", func_name + str(signature))
+ count += 1
+ have_members = count
+ if not have_sig and not have_members:
+ # print at least "pass"
+ dprint(" pass")
+ return count
+
+def enum_all():
+ result = OrderedDict()
+ total = 0
+ for mod_name in all_modules:
+ result[mod_name] = enum_module(mod_name)
+ total += result[mod_name]
+ pprint(result if sys.version_info >= (3,) else list(result.items()))
+ print("Total", total)
+ return result
+
+
+class PySideSignatureTest(unittest.TestCase):
+ def testAllSignaturesCanBuild(self):
+ with isolate_warnings():
+ # This test touches all attributes
+ result = enum_all()
+ # We omit the number of functions test.
+ # That is replaced by existence_test.py .
+ for mod_name, count in result.items():
+ pass
+ # If an attribute could not be computed, then we will have a warning
+ # in the warningregistry.
+ if check_warnings():
+ raise RuntimeError("There are errors, see above.")
+
+ def testSignatureExist(self):
+ t1 = type(PySide2.QtCore.QObject.children.__signature__)
+ self.assertEqual(t1, inspect.Signature)
+ t2 = type(PySide2.QtCore.QObject.__dict__["children"].__signature__)
+ self.assertEqual(t2, t1)
+ obj = PySide2.QtWidgets.QApplication.palette
+ t3 = type(obj.__signature__)
+ self.assertEqual(t3, list)
+ self.assertEqual(len(obj.__signature__), 3)
+ for thing in obj.__signature__:
+ self.assertEqual(type(thing), inspect.Signature)
+ sm = PySide2.QtWidgets.QApplication.__dict__["palette"]
+ self.assertFalse(callable(sm))
+ self.assertEqual(sm.__func__, obj)
+ self.assertTrue(hasattr(sm, "__signature__") and
+ sm.__signature__ is not None)
+
+ def testSignatureIsCached(self):
+ # see if we get the same object
+ ob1 = PySide2.QtCore.QObject.children.__signature__
+ ob2 = PySide2.QtCore.QObject.children.__signature__
+ self.assertTrue(ob1 is ob2)
+ # same with multi signature
+ ob1 = PySide2.QtWidgets.QApplication.palette.__signature__
+ ob2 = PySide2.QtWidgets.QApplication.palette.__signature__
+ self.assertTrue(ob1 is ob2)
+
+ def testModuleIsInitialized(self):
+ assert PySide2.QtWidgets.QApplication.__signature__ is not None
+
+ def test_NotCalled_is_callable_and_correct(self):
+ # A signature that has a default value with some "Default(...)"
+ # wrapper is callable and creates an object of the right type.
+ sig = PySide2.QtCore.QByteArray().toPercentEncoding.__signature__
+ called_default = sig.parameters["exclude"].default()
+ self.assertEqual(type(called_default), PySide2.QtCore.QByteArray)
+
+if __name__ == "__main__":
+ unittest.main()