1 files changed, 79 insertions, 0 deletions
diff --git a/src/silx/gui/qt/_pyqt6.py b/src/silx/gui/qt/_pyqt6.py
new file mode 100644
index 0000000..4f28d40
--- /dev/null
+++ b/src/silx/gui/qt/_pyqt6.py
@@ -0,0 +1,79 @@
+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2021 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""PyQt6 backward compatibility patching"""
+
+__authors__ = ["Thomas VINCENT"]
+__license__ = "MIT"
+__date__ = "02/09/2021"
+
+import enum
+import logging
+
+import PyQt6.sip
+
+
+_logger = logging.getLogger(__name__)
+
+
+def patch_enums(*modules):
+    """Patch PyQt6 modules to provide backward compatibility of enum values
+
+    :param modules: Modules to patch (e.g., PyQt6.QtCore).
+    """
+    for module in modules:
+        for clsName in dir(module):
+            cls = getattr(module, clsName, None)
+            if not isinstance(cls, PyQt6.sip.wrappertype) or not clsName.startswith(
+                "Q"
+            ):
+                continue
+
+            for qenumName in dir(cls):
+                if not qenumName[0].isupper():
+                    continue
+                # Special cases to avoid overrides and mimic PySide6
+                if clsName == "QColorSpace" and qenumName in (
+                    "Primaries",
+                    "TransferFunction",
+                ):
+                    continue
+                if qenumName in ("DeviceType", "PointerType"):
+                    continue
+
+                qenum = getattr(cls, qenumName)
+                if not isinstance(qenum, enum.EnumMeta):
+                    continue
+
+                if any(
+                    map(
+                        lambda ancestor: isinstance(ancestor, PyQt6.sip.wrappertype)
+                        and qenum is getattr(ancestor, qenumName, None),
+                        cls.__mro__[1:],
+                    )
+                ):
+                    continue  # Only handle it once in case of inheritance
+
+                for name, value in qenum.__members__.items():
+                    setattr(cls, name, value)