[PyQt] Two bugs in QFileDialog::getExistingDirectory

[Zhao Lee]

For QFileDialog::getExistingDirectory ,

(1)

The keyword argument for The dialog's working directory in Qt5 is dir ,

QString QFileDialog::getExistingDirectory(QWidget *parent = Q_NULLPTR, constQString &caption = QString(), const QString &dir = QString(), Options options = ShowDirsOnly)

 

While in PyQt5.7，The keyword argument is directory

QFileDialog.getExistingDirectory(parent: QWidget = None, caption: str = '', directory: str = '', options: Union[QFileDialog.Options, QFileDialog.Option] = QFileDialog.ShowDirsOnly)

 

This is one non-compliance

 

(2)

If the user presses Cancel, it should return an empty path(tested with the standarddialogs example in Qt5.7) rather than a dot(.)(This is the current PyQt5.7 behavior )

 

This is another  non-compliance

 

Please remove these non-compliances, thanks !






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