Port most remaining references to PyQt5

manual/plugin_examples/editor_demo/main.py

@@ -6,7 +6,7 @@ __license__ = 'GPL v3'
 __copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
 
 import re
-from PyQt5.Qt import QAction, QInputDialog
+from qt.core import QAction, QInputDialog
 from css_parser.css import CSSRule
 
 # The base class that all tools must inherit from

manual/plugin_examples/interface_demo/config.py

@@ -6,7 +6,7 @@ __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-from PyQt5.Qt import QWidget, QHBoxLayout, QLabel, QLineEdit
+from qt.core import QWidget, QHBoxLayout, QLabel, QLineEdit
 
 from calibre.utils.config import JSONConfig
 

manual/plugin_examples/interface_demo/main.py

@@ -12,7 +12,7 @@ if False:
     # You do not need this code in your plugins
     get_icons = get_resources = None
 
-from PyQt5.Qt import QDialog, QVBoxLayout, QPushButton, QMessageBox, QLabel
+from qt.core import QDialog, QVBoxLayout, QPushButton, QMessageBox, QLabel
 
 from calibre_plugins.interface_demo.config import prefs
 

manual/plugin_examples/webengine_demo/main.py

@@ -3,8 +3,8 @@
 # License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
 
 
-from PyQt5.Qt import QUrl
+from qt.core import QUrl
-from PyQt5.QtWebEngineWidgets import QWebEngineView
+from qt.webengine import QWebEngineView
 
 from calibre.gui2 import Application
 

manual/plugin_examples/webengine_demo/ui.py

@@ -11,7 +11,7 @@ if False:
 
 # The class that all interface action plugins must inherit from
 from calibre.gui2.actions import InterfaceAction
-from PyQt5.Qt import QInputDialog
+from qt.core import QInputDialog
 
 
 class InterfacePlugin(InterfaceAction):

setup.cfg

@@ -16,5 +16,6 @@ combine_as_imports = True
 line_length = 85
 multi_line_output = 5
 known_future_library = __python__
+known_third_party = qt
 known_standard_library = aes,elementmaker,encodings
 known_first_party = calibre_extensions

src/calibre/ebooks/oeb/polish/check/css.py

@@ -9,11 +9,7 @@ import sys
 from collections import namedtuple
 from itertools import repeat
 
-try:
+from qt.core import QApplication, QEventLoop, pyqtSignal, sip
-    from PyQt5 import sip
-except ImportError:
-    import sip
-from qt.core import QApplication, QEventLoop, pyqtSignal
 from qt.webengine import (
     QWebEnginePage, QWebEngineProfile, QWebEngineScript
 )

src/calibre/ebooks/pdf/render/gradients.py

@@ -10,11 +10,7 @@ import sys, copy
 from polyglot.builtins import map, range
 from collections import namedtuple
 
-from qt.core import QLinearGradient, QPointF
+from qt.core import QLinearGradient, QPointF, sip
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre.ebooks.pdf.render.common import Name, Array, Dictionary
 

src/calibre/gui2/__init__.py

@@ -1468,7 +1468,6 @@ if is_running_from_develop:
 
 
 def event_type_name(ev_or_etype):
-    from PyQt5.QtCore import QEvent
     etype = ev_or_etype.type() if isinstance(ev_or_etype, QEvent) else ev_or_etype
     for name, num in iteritems(vars(QEvent)):
         if num == etype:

src/calibre/gui2/actions/choose_library.py

@@ -601,7 +601,7 @@ class ChooseLibraryAction(InterfaceAction):
 
         # from calibre.utils.mem import memory
         # import weakref
-        # from PyQt5.Qt import QTimer
+        # from qt.core import QTimer
         # self.dbref = weakref.ref(self.gui.library_view.model().db)
         # self.before_mem = memory()
         self.gui.library_moved(loc, allow_rebuild=True)

src/calibre/gui2/actions/show_book_details.py

@@ -6,11 +6,7 @@ __license__   = 'GPL v3'
 __copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-from qt.core import Qt
+from qt.core import Qt, sip
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre.gui2.actions import InterfaceAction
 from calibre.gui2.dialogs.book_info import BookInfo

src/calibre/gui2/bars.py

@@ -9,11 +9,7 @@ __docformat__ = 'restructuredtext en'
 from functools import partial
 from qt.core import (
     Qt, QAction, QMenu, QObject, QToolBar, QToolButton, QSize, pyqtSignal, QKeySequence,
-    QTimer, QPropertyAnimation, QEasingCurve, pyqtProperty, QPainter, QWidget, QPalette)
+    QTimer, QPropertyAnimation, QEasingCurve, pyqtProperty, QPainter, QWidget, QPalette, sip)
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre.constants import ismacos
 from calibre.gui2 import gprefs, native_menubar_defaults, config

src/calibre/gui2/catalog/catalog_epub_mobi.py

@@ -21,11 +21,7 @@ from .catalog_epub_mobi_ui import Ui_Form
 from qt.core import (Qt, QAbstractItemView, QCheckBox, QComboBox,
         QDoubleSpinBox, QIcon, QInputDialog, QLineEdit, QRadioButton,
         QSize, QSizePolicy, QTableWidget, QTableWidgetItem, QTextEdit, QToolButton,
-        QUrl, QVBoxLayout, QWidget)
+        QUrl, QVBoxLayout, QWidget, sip)
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 
 class PluginWidget(QWidget,Ui_Form):

src/calibre/gui2/complete2.py

@@ -9,11 +9,7 @@ __docformat__ = 'restructuredtext en'
 from qt.core import (
     QLineEdit, QAbstractListModel, Qt, pyqtSignal, QObject, QKeySequence, QAbstractItemView,
     QApplication, QListView, QPoint, QModelIndex, QEvent,
-    QStyleOptionComboBox, QStyle, QComboBox, QTimer)
+    QStyleOptionComboBox, QStyle, QComboBox, QTimer, sip)
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre.constants import ismacos
 from calibre.utils.icu import sort_key, primary_startswith, primary_contains

src/calibre/gui2/icon_theme.py

@@ -15,13 +15,9 @@ from qt.core import (
     QImageReader, QFormLayout, QVBoxLayout, QSplitter, QGroupBox, QListWidget,
     QLineEdit, QSpinBox, QTextEdit, QSize, QListWidgetItem, QIcon, QImage,
     pyqtSignal, QStackedLayout, QWidget, QLabel, Qt, QComboBox, QPixmap, QDialog,
-    QGridLayout, QStyledItemDelegate, QApplication, QStaticText,
+    QGridLayout, QStyledItemDelegate, QApplication, QStaticText, sip,
     QStyle, QPen, QProgressDialog, QAbstractItemView, QDialogButtonBox
 )
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre import walk, fit_image, human_readable, detect_ncpus as cpu_count
 from calibre.constants import cache_dir, config_dir

src/calibre/gui2/job_indicator.py

@@ -43,7 +43,7 @@ class Pointer(QWidget):
         self.color.setAlpha(100)
         self.brush = QBrush(self.color, Qt.BrushStyle.SolidPattern)
 
-        # from PyQt5.Qt import QTimer
+        # from qt.core import QTimer
         # QTimer.singleShot(1000, self.start)
 
     @property

src/calibre/gui2/keyboard.py

@@ -12,11 +12,7 @@ from functools import partial
 from qt.core import (QObject, QKeySequence, QAbstractItemModel, QModelIndex, QItemSelectionModel,
         Qt, QStyledItemDelegate, QTextDocument, QStyle, pyqtSignal, QFrame, QAbstractItemView,
         QApplication, QSize, QRectF, QWidget, QTreeView, QHBoxLayout, QVBoxLayout, QAbstractItemDelegate,
-        QGridLayout, QLabel, QRadioButton, QPushButton, QToolButton, QIcon, QEvent)
+        QGridLayout, QLabel, QRadioButton, QPushButton, QToolButton, QIcon, QEvent, sip)
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre.utils.config import JSONConfig
 from calibre.constants import DEBUG

src/calibre/gui2/layout.py

@@ -361,7 +361,7 @@ class MainWindowMixin(object):  # {{{
             try:
                 self.setUnifiedTitleAndToolBarOnMac(True)
             except AttributeError:
-                pass  # PyQt5 seems to be missing this property
+                pass  # PyQt seems to be missing this property
 
         # And now, start adding the real widgets
         l.addWidget(self.search_bar)

src/calibre/gui2/metadata/pdf_covers.py

@@ -12,12 +12,8 @@ from glob import glob
 
 from qt.core import (
     QDialog, QApplication, QLabel, QVBoxLayout, QDialogButtonBox, Qt, QAbstractItemView, QListView,
-    pyqtSignal, QListWidget, QListWidgetItem, QSize, QPixmap, QStyledItemDelegate
+    pyqtSignal, QListWidget, QListWidgetItem, QSize, QPixmap, QStyledItemDelegate, sip
 )
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
 
 from calibre import as_unicode
 from calibre.ebooks.metadata.pdf import page_images

src/calibre/gui2/preferences/server.py

@@ -14,7 +14,7 @@ from qt.core import (
     QCheckBox, QComboBox, QDialog, QDialogButtonBox, QDoubleSpinBox, QFormLayout,
     QFrame, QHBoxLayout, QIcon, QLabel, QLineEdit, QListWidget, QPlainTextEdit, QLayout,
     QPushButton, QScrollArea, QSize, QSizePolicy, QSpinBox, Qt, QTabWidget, QTimer,
-    QToolButton, QUrl, QVBoxLayout, QWidget, pyqtSignal
+    QToolButton, QUrl, QVBoxLayout, QWidget, pyqtSignal, sip
 )
 
 from calibre import as_unicode
@@ -37,11 +37,6 @@ from calibre.utils.icu import primary_sort_key
 from calibre.utils.shared_file import share_open
 from polyglot.builtins import as_bytes, unicode_type
 
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
-
 
 if iswindows and not isportable:
     from calibre_extensions import winutil

src/calibre/gui2/tweak_book/file_list.py

@@ -14,7 +14,7 @@ from qt.core import (
     QGridLayout, QIcon, QInputDialog, QLabel, QLineEdit, QListWidget, QAbstractItemView,
     QListWidgetItem, QMenu, QPainter, QPixmap, QRadioButton, QScrollArea, QSize,
     QSpinBox, QStyle, QStyledItemDelegate, Qt, QTimer, QTreeWidget, QTreeWidgetItem,
-    QVBoxLayout, QWidget, pyqtSignal
+    QVBoxLayout, QWidget, pyqtSignal, sip
 )
 
 from calibre import human_readable, sanitize_file_name
@@ -42,11 +42,6 @@ from calibre_extensions.progress_indicator import set_no_activate_on_click
 from polyglot.binary import as_hex_unicode
 from polyglot.builtins import filter, iteritems, map, range, unicode_type
 
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
-
 
 FILE_COPY_MIME = 'application/calibre-edit-book-files'
 TOP_ICON_SIZE = 24

src/calibre/gui2/viewer/web_view.py

@@ -10,7 +10,7 @@ from itertools import count
 from qt.core import (
     QT_VERSION, QApplication, QBuffer, QByteArray, QEvent, QFontDatabase, QFontInfo,
     QHBoxLayout, QIODevice, QLocale, QMimeData, QPalette, QSize, Qt, QTimer, QUrl,
-    QWidget, pyqtSignal
+    QWidget, pyqtSignal, sip
 )
 from qt.webengine import (
     QWebEngineUrlRequestInfo, QWebEngineUrlRequestJob, QWebEngineUrlSchemeHandler
@@ -41,11 +41,6 @@ from calibre.utils.shared_file import share_open
 from polyglot.builtins import as_bytes, iteritems, unicode_type
 from polyglot.functools import lru_cache
 
-try:
-    from PyQt5 import sip
-except ImportError:
-    import sip
-
 SANDBOX_HOST = FAKE_HOST.rpartition('.')[0] + '.sandbox'
 
 # Override network access to load data from the book {{{

src/calibre/test_build.py

@@ -286,11 +286,11 @@ class BuildTest(unittest.TestCase):
 
     @unittest.skipIf('SKIP_QT_BUILD_TEST' in os.environ, 'Skipping Qt build test as it causes crashes in the macOS VM')
     def test_qt(self):
-        from PyQt5.QtCore import QTimer
+        from qt.core import QTimer
-        from PyQt5.QtWidgets import QApplication
+        from qt.core import QApplication
         from qt.webengine import QWebEnginePage
-        from PyQt5.QtGui import QImageReader, QFontDatabase
+        from qt.core import QImageReader, QFontDatabase
-        from PyQt5.QtNetwork import QNetworkAccessManager
+        from qt.core import QNetworkAccessManager
         from calibre.utils.img import image_from_data, image_to_data, test
         # Ensure that images can be read before QApplication is constructed.
         # Note that this requires QCoreApplication.libraryPaths() to return the

src/calibre/utils/img.py

@@ -10,10 +10,9 @@ import subprocess
 import sys
 import tempfile
 from io import BytesIO
-# We use explicit module imports so tracebacks when importing are more useful
+from qt.core import (
-from PyQt5.QtCore import QBuffer, QByteArray, Qt, QIODevice
+    QBuffer, QByteArray, QColor, QImage, QImageReader, QImageWriter, QIODevice,
-from PyQt5.QtGui import (
+    QPixmap, Qt, QTransform
-    QColor, QImage, QImageReader, QImageWriter, QPixmap, QTransform
 )
 from threading import Thread
 

src/qt/__main__.py

@@ -6,6 +6,8 @@ import importlib
 import os
 from pprint import pprint
 
+QT_WRAPPER = 'PyQt5'
+
 base = os.path.dirname(os.path.abspath(__file__))
 module_lists = {
     'core': (
@@ -29,8 +31,8 @@ def scan(name):
     name_map = {}
     types = []
     for mod_name in module_names:
-        mod = importlib.import_module(f'PyQt5.{mod_name}')
+        mod = importlib.import_module(f'{QT_WRAPPER}.{mod_name}')
-        full_name = mod.__name__
+        full_name = name_map[mod_name] = mod.__name__
         types.append(f'import {full_name}')
         for obj_name in sorted(dir(mod)):
             if not obj_name.startswith('_') and obj_name not in name_map:
@@ -38,11 +40,19 @@ def scan(name):
                 types.append(f'{obj_name} = {full_name}.{obj_name}')
     with open(f'{base}/{name}.pyi', 'w') as f:
         print('# autogenerated by __main__.py do not edit', file=f)
-        f.write('\n'.join(sorted(types)))
+        f.write('\n'.join(types))
+    if name == 'core':
+        module_names += ('sip',)
+        mod = importlib.import_module(f'{QT_WRAPPER}.sip')
+        name_map['sip'] = mod.__name__
+        name_map['QtWin'] = f'{QT_WRAPPER}.QtWinExtras'
     with open(f'{base}/{name}_name_map.py', 'w') as f:
         print('# autogenerated by __main__.py do not edit', file=f)
         print('name_map =', end=' ', file=f)
         pprint(name_map, stream=f)
+        print('module_names = frozenset(', end='', file=f)
+        pprint(module_names, stream=f)
+        print(')', file=f)
 
 
 for name in ('core', 'webengine'):

src/qt/core.py

@@ -4,11 +4,11 @@
 
 
 from .loader import dynamic_load
-from .core_name_map import name_map
+from .core_name_map import name_map, module_names
 
 already_imported = {}
 qt_modules = {}
 
 
 def __getattr__(name):
-    return dynamic_load(name, name_map, already_imported, qt_modules)
+    return dynamic_load(name, name_map, already_imported, qt_modules, module_names)

src/qt/core_name_map.py

@@ -605,13 +605,20 @@ name_map = {'PYQT_CONFIGURATION': 'PyQt5.QtCore',
  'Q_FLAGS': 'PyQt5.QtCore',
  'Q_RETURN_ARG': 'PyQt5.QtCore',
  'Qt': 'PyQt5.QtCore',
+ 'QtCore': 'PyQt5.QtCore',
  'QtCriticalMsg': 'PyQt5.QtCore',
  'QtDebugMsg': 'PyQt5.QtCore',
  'QtFatalMsg': 'PyQt5.QtCore',
+ 'QtGui': 'PyQt5.QtGui',
  'QtInfoMsg': 'PyQt5.QtCore',
  'QtMsgType': 'PyQt5.QtCore',
+ 'QtNetwork': 'PyQt5.QtNetwork',
+ 'QtPrintSupport': 'PyQt5.QtPrintSupport',
+ 'QtSvg': 'PyQt5.QtSvg',
  'QtSystemMsg': 'PyQt5.QtCore',
  'QtWarningMsg': 'PyQt5.QtCore',
+ 'QtWidgets': 'PyQt5.QtWidgets',
+ 'QtWin': 'PyQt5.QtWinExtras',
  'bin_': 'PyQt5.QtCore',
  'bom': 'PyQt5.QtCore',
  'center': 'PyQt5.QtCore',
@@ -705,6 +712,9 @@ name_map = {'PYQT_CONFIGURATION': 'PyQt5.QtCore',
  'right': 'PyQt5.QtCore',
  'scientific': 'PyQt5.QtCore',
  'showbase': 'PyQt5.QtCore',
+ 'sip': 'PyQt5.sip',
  'uppercasebase': 'PyQt5.QtCore',
  'uppercasedigits': 'PyQt5.QtCore',
  'ws': 'PyQt5.QtCore'}
+module_names = frozenset(('QtCore', 'QtGui', 'QtWidgets', 'QtNetwork', 'QtSvg', 'QtPrintSupport', 'sip')
+)

src/qt/loader.py

@@ -6,7 +6,7 @@ from importlib import import_module
 import sys
 
 
-def dynamic_load(name, name_map, already_imported, qt_modules):
+def dynamic_load(name, name_map, already_imported, qt_modules, module_names=()):
     ans = already_imported.get(name, already_imported)
     if ans is not already_imported:
         return ans
@@ -26,7 +26,10 @@ def dynamic_load(name, name_map, already_imported, qt_modules):
                     file=sys.stderr
                 )
         if mod is not False:
-            q = getattr(mod, name, qt_modules)
+            if name in module_names:
+                q = mod
+            else:
+                q = getattr(mod, name, qt_modules)
             if q is not qt_modules:
                 already_imported[name] = q
                 return q

src/qt/webengine.py

@@ -4,11 +4,11 @@
 
 
 from .loader import dynamic_load
-from .webengine_name_map import name_map
+from .webengine_name_map import name_map, module_names
 
 already_imported = {}
 qt_modules = {}
 
 
 def __getattr__(name):
-    return dynamic_load(name, name_map, already_imported, qt_modules)
+    return dynamic_load(name, name_map, already_imported, qt_modules, module_names)

src/qt/webengine.pyi

@@ -1,35 +1,33 @@
 # autogenerated by __main__.py do not edit
+import PyQt5.QtWebEngine
 PYQT_WEBENGINE_VERSION = PyQt5.QtWebEngine.PYQT_WEBENGINE_VERSION
 PYQT_WEBENGINE_VERSION_STR = PyQt5.QtWebEngine.PYQT_WEBENGINE_VERSION_STR
 QQuickWebEngineProfile = PyQt5.QtWebEngine.QQuickWebEngineProfile
 QQuickWebEngineScript = PyQt5.QtWebEngine.QQuickWebEngineScript
-QWebEngineCertificateError = PyQt5.QtWebEngineWidgets.QWebEngineCertificateError
+import PyQt5.QtWebEngineCore
-QWebEngineClientCertificateSelection = PyQt5.QtWebEngineWidgets.QWebEngineClientCertificateSelection
 QWebEngineClientCertificateStore = PyQt5.QtWebEngineCore.QWebEngineClientCertificateStore
-QWebEngineContextMenuData = PyQt5.QtWebEngineWidgets.QWebEngineContextMenuData
 QWebEngineCookieStore = PyQt5.QtWebEngineCore.QWebEngineCookieStore
-QWebEngineDownloadItem = PyQt5.QtWebEngineWidgets.QWebEngineDownloadItem
 QWebEngineFindTextResult = PyQt5.QtWebEngineCore.QWebEngineFindTextResult
-QWebEngineFullScreenRequest = PyQt5.QtWebEngineWidgets.QWebEngineFullScreenRequest
-QWebEngineHistory = PyQt5.QtWebEngineWidgets.QWebEngineHistory
-QWebEngineHistoryItem = PyQt5.QtWebEngineWidgets.QWebEngineHistoryItem
 QWebEngineHttpRequest = PyQt5.QtWebEngineCore.QWebEngineHttpRequest
 QWebEngineNotification = PyQt5.QtWebEngineCore.QWebEngineNotification
-QWebEnginePage = PyQt5.QtWebEngineWidgets.QWebEnginePage
-QWebEngineProfile = PyQt5.QtWebEngineWidgets.QWebEngineProfile
 QWebEngineQuotaRequest = PyQt5.QtWebEngineCore.QWebEngineQuotaRequest
 QWebEngineRegisterProtocolHandlerRequest = PyQt5.QtWebEngineCore.QWebEngineRegisterProtocolHandlerRequest
-QWebEngineScript = PyQt5.QtWebEngineWidgets.QWebEngineScript
-QWebEngineScriptCollection = PyQt5.QtWebEngineWidgets.QWebEngineScriptCollection
-QWebEngineSettings = PyQt5.QtWebEngineWidgets.QWebEngineSettings
 QWebEngineUrlRequestInfo = PyQt5.QtWebEngineCore.QWebEngineUrlRequestInfo
 QWebEngineUrlRequestInterceptor = PyQt5.QtWebEngineCore.QWebEngineUrlRequestInterceptor
 QWebEngineUrlRequestJob = PyQt5.QtWebEngineCore.QWebEngineUrlRequestJob
 QWebEngineUrlScheme = PyQt5.QtWebEngineCore.QWebEngineUrlScheme
 QWebEngineUrlSchemeHandler = PyQt5.QtWebEngineCore.QWebEngineUrlSchemeHandler
-QWebEngineView = PyQt5.QtWebEngineWidgets.QWebEngineView
-QtWebEngine = PyQt5.QtWebEngine.QtWebEngine
-QtWebEngineCore = PyQt5.QtWebEngineCore.QtWebEngineCore
-import PyQt5.QtWebEngine
-import PyQt5.QtWebEngineCore
 import PyQt5.QtWebEngineWidgets
+QWebEngineCertificateError = PyQt5.QtWebEngineWidgets.QWebEngineCertificateError
+QWebEngineClientCertificateSelection = PyQt5.QtWebEngineWidgets.QWebEngineClientCertificateSelection
+QWebEngineContextMenuData = PyQt5.QtWebEngineWidgets.QWebEngineContextMenuData
+QWebEngineDownloadItem = PyQt5.QtWebEngineWidgets.QWebEngineDownloadItem
+QWebEngineFullScreenRequest = PyQt5.QtWebEngineWidgets.QWebEngineFullScreenRequest
+QWebEngineHistory = PyQt5.QtWebEngineWidgets.QWebEngineHistory
+QWebEngineHistoryItem = PyQt5.QtWebEngineWidgets.QWebEngineHistoryItem
+QWebEnginePage = PyQt5.QtWebEngineWidgets.QWebEnginePage
+QWebEngineProfile = PyQt5.QtWebEngineWidgets.QWebEngineProfile
+QWebEngineScript = PyQt5.QtWebEngineWidgets.QWebEngineScript
+QWebEngineScriptCollection = PyQt5.QtWebEngineWidgets.QWebEngineScriptCollection
+QWebEngineSettings = PyQt5.QtWebEngineWidgets.QWebEngineSettings
+QWebEngineView = PyQt5.QtWebEngineWidgets.QWebEngineView

src/qt/webengine_name_map.py

@@ -29,4 +29,7 @@ name_map = {'PYQT_WEBENGINE_VERSION': 'PyQt5.QtWebEngine',
  'QWebEngineUrlSchemeHandler': 'PyQt5.QtWebEngineCore',
  'QWebEngineView': 'PyQt5.QtWebEngineWidgets',
  'QtWebEngine': 'PyQt5.QtWebEngine',
- 'QtWebEngineCore': 'PyQt5.QtWebEngineCore'}
+ 'QtWebEngineCore': 'PyQt5.QtWebEngineCore',
+ 'QtWebEngineWidgets': 'PyQt5.QtWebEngineWidgets'}
+module_names = frozenset(('QtWebEngine', 'QtWebEngineCore', 'QtWebEngineWidgets')
+)