############################################################################# ## ## Copyright (C) 2018 The Qt Company Ltd. ## Contact: https://www.qt.io/licensing/ ## ## This file is part of Qt for Python. ## ## $QT_BEGIN_LICENSE:LGPL$ ## 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 """ Existence registry This is a registry for all existing function signatures. One file is generated with all signatures of a platform and version. """ import sys import os import re import PySide2 from contextlib import contextmanager from textwrap import dedent all_modules = list("PySide2." + x for x in PySide2.__all__) from PySide2.QtCore import __version__ from PySide2.support.signature.lib.enum_sig import SimplifyingEnumerator is_py3 = sys.version_info[0] == 3 is_ci = os.environ.get("QTEST_ENVIRONMENT", "") == "ci" # Python2 legacy: Correct 'linux2' to 'linux', recommended way. if sys.platform.startswith('linux'): # We have to be more specific because we had differences between # RHEL 6.6 and RHEL 7.4 . # Note: The platform module is deprecated. We need to switch to the # distro package, ASAP! The distro has been extracted from Python, # because it changes more often than the Python version. try: import distro except ImportError: import platform as distro platform_name = "".join(distro.linux_distribution()[:2]).lower() platform_name = re.sub('[^0-9a-z]', '', platform_name) else: platform_name = sys.platform # In the linux case, we need more information. # Make sure not to get .pyc in Python2. sourcepath = os.path.splitext(__file__)[0] + ".py" def qtVersion(): return tuple(map(int, __version__.split("."))) # Format a registry file name for version def _registryFileName(version): name = "exists_{}_{}_{}_{}{}.py".format(platform_name, version[0], version[1], version[2], "_ci" if is_ci else "") return os.path.join(os.path.dirname(__file__), name) # Return the expected registry file name def getRefPath(): return _registryFileName(qtVersion()) # Return the registry file name, either that of the current # version or fall back to a previous patch release def getEffectiveRefPath(): refpath = getRefPath() if os.path.exists(refpath): return refpath version = qtVersion() majorVersion = version[0] minorVersion = version[1] patchVersion = version[2] while patchVersion >= 0: file = _registryFileName((majorVersion, minorVersion, patchVersion)) if os.path.exists(file): return file patchVersion = patchVersion - 1 return refpath class Formatter(object): """ Formatter is formatting the signature listing of an enumerator. It is written as context managers in order to avoid many callbacks. The separation in formatter and enumerator is done to keep the unrelated tasks of enumeration and formatting apart. """ def __init__(self, outfile): self.outfile = outfile def print(self, *args, **kw): print(*args, file=self.outfile, **kw) if self.outfile else None @contextmanager def module(self, mod_name): self.mod_name = mod_name self.print("") self.print("# Module", mod_name) self.print('if "{}" in sys.modules:'.format(mod_name)) self.print(" dict.update({") yield self.print(" })") @contextmanager def klass(self, class_name, class_str): self.class_name = class_name self.print() self.print(" # class {}.{}:".format(self.mod_name, class_name)) yield @contextmanager def function(self, func_name, signature): if self.class_name is None: key = viskey = "{}".format(func_name) else: key = viskey = "{}.{}".format(self.class_name, func_name) if key.endswith("lY"): # Some classes like PySide2.QtGui.QContextMenuEvent have functions # globalX and the same with Y. The gerrit robot thinks that this # is a badly written "globally". Convince it by hiding this word. viskey = viskey[:-1] + '""Y' self.print(' "{}": {},'.format(viskey, signature)) yield key def enum_all(): fmt = Formatter(None) enu = SimplifyingEnumerator(fmt) ret = enu.result_type() for mod_name in all_modules: ret.update(enu.module(mod_name)) return ret def generate_all(): refPath = getRefPath() module = os.path.basename(os.path.splitext(refPath)[0]) with open(refPath, "w") as outfile, open(sourcepath) as f: fmt = Formatter(outfile) enu = SimplifyingEnumerator(fmt) lines = f.readlines() license_line = next((lno for lno, line in enumerate(lines) if "$QT_END_LICENSE$" in line)) fmt.print("".join(lines[:license_line + 3])) fmt.print(dedent('''\ """ This file contains the simplified signatures for all functions in PySide for module '{}'. There are no default values, no variable names and no self parameter. Only types are present after simplification. The functions 'next' resp. '__next__' are removed to make the output identical for Python 2 and 3. '__div__' is also removed, since it exists in Python 2, only. """ '''.format(module))) fmt.print("import sys") fmt.print("") fmt.print("dict = {}") for mod_name in all_modules: enu.module(mod_name) fmt.print("# eof") def __main__(): print("+++ generating {}. You should probably check this file in." .format(getRefPath())) generate_all() if __name__ == "__main__": __main__()