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Fix PySide2 issue for Ubuntu Focal

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Provide a fallback for QRegularExpressionValidator specifically for
Ubuntu Focal, because it's not present in PySide2 5.14. Instead,
fallback to QRegExpValidator if it doesn't exist.

Fixes #339
This commit is contained in:
Alex Pyrgiotis 2023-02-16 23:49:30 +02:00
parent b94d0712c8
commit 79ccd14d5d
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1 changed files with 9 additions and 4 deletions
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13
dangerzone/gui/main_window.py
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@ -399,10 +399,15 @@ class SettingsWidget(QtWidgets.QWidget):
self.safe_extension_name_layout.addWidget(self.safe_extension_filename)
self.safe_extension_name_layout.addWidget(self.safe_extension)
dot_pdf_regex = QtCore.QRegularExpression(r".*\.[Pp][Dd][Ff]")
self.safe_extension.setValidator(
QtGui.QRegularExpressionValidator(dot_pdf_regex)
)
# FIXME: Workaround for https://github.com/freedomofpress/dangerzone/issues/339.
# We should drop this once we drop Ubuntu Focal support.
if hasattr(QtGui, "QRegularExpressionValidator"):
dot_pdf_regex = QtCore.QRegularExpression(r".*\.[Pp][Dd][Ff]")
validator = QtGui.QRegularExpressionValidator(dot_pdf_regex)
else:
dot_pdf_regex = QtCore.QRegExp(r".*\.[Pp][Dd][Ff]") # type: ignore [assignment]
validator = QtGui.QRegExpValidator(dot_pdf_regex) # type: ignore [call-overload]
self.safe_extension.setValidator(validator)
self.safe_extension_layout = QtWidgets.QHBoxLayout()
self.safe_extension_layout.addWidget(self.save_checkbox)
self.safe_extension_layout.addWidget(self.safe_extension_label)