Mercurial Repositories > eric / file comparison
comparison: Toolbox/PyQt4ImportHook.py
Toolbox/PyQt4ImportHook.py
- changeset 5814
- 50b299f6eb98
- parent 5802
- abfb67a6f376
- child 5815
- 223fa32b3a32
equal
deleted
inserted
replaced
| 5813:82349b9ceb4d | 5814:50b299f6eb98 |
|---|---|
| 8 """ | 8 """ |
| 9 | 9 |
| 10 from __future__ import unicode_literals | 10 from __future__ import unicode_literals |
| 11 | 11 |
| 12 import sys | 12 import sys |
| 13 import importlib | |
| 14 | |
| 15 class PyQt4Importer(object): | |
| 16 """ | |
| 17 Class implementing an importer converting PyQt5 imports to PyQt4 | |
| 18 imports. | |
| 19 """ | |
| 20 def __init__(self): | |
| 21 """ | |
| 22 Constructor | |
| 23 """ | |
| 24 self.__path = None | |
| 25 | |
| 26 def find_module(self, fullname, path=None): | |
| 27 """ | |
| 28 Public method returning the module loader. | |
| 29 | |
| 30 @param fullname name of the module to be loaded (string) | |
| 31 @param path path to resolve the module name (string) | |
| 32 @return module loader object | |
| 33 """ | |
| 34 if fullname.startswith("PyQt5"): | |
| 35 self.__path = path | |
| 36 return self | |
| 37 | |
| 38 return None | |
| 39 | |
| 40 @staticmethod | |
| 41 def QComboBox_currentData(other, role=None): | |
| 42 """ | |
| 43 Public method to emulate the currentData method of Qt5. | |
| 44 | |
| 45 @param role role of which data should be retrived | |
| 46 @return stored data at current selection | |
| 47 """ | |
| 48 import PyQt4.Qt | |
| 49 if role is None: | |
| 50 role = PyQt4.Qt.Qt.UserRole | |
| 51 | |
| 52 idx = other.currentIndex() | |
| 53 return other.itemData(idx, role) | |
| 54 | |
| 55 def load_module(self, fullname): | |
| 56 """ | |
| 57 Public method to load a module. | |
| 58 | |
| 59 @param fullname name of the module to be loaded (string) | |
| 60 @return reference to the loaded module (module) | |
| 61 """ | |
| 62 if fullname in ["PyQt5.QtWidgets", "PyQt5.QtPrintSupport"]: | |
| 63 newname = "PyQt4.QtGui" | |
| 64 elif fullname in ["PyQt5.QtWebKitWidgets"]: | |
| 65 newname = "PyQt4.QtWebKit" | |
| 66 else: | |
| 67 newname = fullname.replace("PyQt5", "PyQt4") | |
| 68 | |
| 69 module = importlib.import_module(newname) | |
| 70 sys.modules[fullname] = module | |
| 71 if fullname == "PyQt5.QtCore": | |
| 72 import PyQt4.QtGui | |
| 73 module.qInstallMessageHandler = module.qInstallMsgHandler | |
| 74 module.QItemSelectionModel = PyQt4.QtGui.QItemSelectionModel | |
| 75 module.QItemSelection = PyQt4.QtGui.QItemSelection | |
| 76 module.QSortFilterProxyModel = \ | |
| 77 PyQt4.QtGui.QSortFilterProxyModel | |
| 78 module.QAbstractProxyModel = PyQt4.QtGui.QAbstractProxyModel | |
| 79 module.QStringListModel = PyQt4.QtGui.QStringListModel | |
| 80 | |
| 81 PyQt4.QtGui.QComboBox.currentData = self.QComboBox_currentData | |
| 82 return module | |
| 83 | |
| 13 try: | 84 try: |
| 14 if "--pyqt4" in sys.argv: | 85 if "--pyqt4" in sys.argv: |
| 15 sys.argv.remove("--pyqt4") | 86 sys.argv.remove("--pyqt4") |
| 16 # fake a failed PyQt5 import | 87 # fake a failed PyQt5 import |
| 17 raise ImportError | 88 raise ImportError |
| 18 import PyQt5 # __IGNORE_WARNING__ | 89 import PyQt5 # __IGNORE_WARNING__ |
| 19 except ImportError: | 90 except ImportError: |
| 20 import importlib | |
| 21 | |
| 22 class PyQt4Importer(object): | |
| 23 """ | |
| 24 Class implementing an importer converting PyQt5 imports to PyQt4 | |
| 25 imports. | |
| 26 """ | |
| 27 def __init__(self): | |
| 28 """ | |
| 29 Constructor | |
| 30 """ | |
| 31 self.__path = None | |
| 32 | |
| 33 def find_module(self, fullname, path=None): | |
| 34 """ | |
| 35 Public method returning the module loader. | |
| 36 | |
| 37 @param fullname name of the module to be loaded (string) | |
| 38 @param path path to resolve the module name (string) | |
| 39 @return module loader object | |
| 40 """ | |
| 41 if fullname.startswith("PyQt5"): | |
| 42 self.__path = path | |
| 43 return self | |
| 44 | |
| 45 return None | |
| 46 | |
| 47 @staticmethod | |
| 48 def QComboBox_currentData(other, role=None): | |
| 49 """ | |
| 50 Public method to emulate the currentData method of Qt5. | |
| 51 | |
| 52 @param role role of which data should be retrived | |
| 53 @return stored data at current selection | |
| 54 """ | |
| 55 import PyQt4.Qt | |
| 56 if role is None: | |
| 57 role = PyQt4.Qt.Qt.UserRole | |
| 58 | |
| 59 idx = other.currentIndex() | |
| 60 return other.itemData(idx, role) | |
| 61 | |
| 62 def load_module(self, fullname): | |
| 63 """ | |
| 64 Public method to load a module. | |
| 65 | |
| 66 @param fullname name of the module to be loaded (string) | |
| 67 @return reference to the loaded module (module) | |
| 68 """ | |
| 69 if fullname in ["PyQt5.QtWidgets", "PyQt5.QtPrintSupport"]: | |
| 70 newname = "PyQt4.QtGui" | |
| 71 elif fullname in ["PyQt5.QtWebKitWidgets"]: | |
| 72 newname = "PyQt4.QtWebKit" | |
| 73 else: | |
| 74 newname = fullname.replace("PyQt5", "PyQt4") | |
| 75 | |
| 76 module = importlib.import_module(newname) | |
| 77 sys.modules[fullname] = module | |
| 78 if fullname == "PyQt5.QtCore": | |
| 79 import PyQt4.QtGui | |
| 80 module.qInstallMessageHandler = module.qInstallMsgHandler | |
| 81 module.QItemSelectionModel = PyQt4.QtGui.QItemSelectionModel | |
| 82 module.QItemSelection = PyQt4.QtGui.QItemSelection | |
| 83 module.QSortFilterProxyModel = \ | |
| 84 PyQt4.QtGui.QSortFilterProxyModel | |
| 85 module.QAbstractProxyModel = PyQt4.QtGui.QAbstractProxyModel | |
| 86 module.QStringListModel = PyQt4.QtGui.QStringListModel | |
| 87 | |
| 88 PyQt4.QtGui.QComboBox.currentData = self.QComboBox_currentData | |
| 89 return module | |
| 90 | |
| 91 sys.meta_path.insert(0, PyQt4Importer()) | 91 sys.meta_path.insert(0, PyQt4Importer()) |
| 92 | 92 |
| 93 if sys.version_info[0] == 2: | 93 if sys.version_info[0] == 2: |
| 94 import sip | 94 import sip |
| 95 sip.setapi('QString', 2) | 95 sip.setapi('QString', 2) |
