addlink.py 文件源码

def changeFolder(self, button):
        # get download_path from lineEdit
        download_path = self.download_folder_lineEdit.text()

        # open select folder dialog
        fname = QFileDialog.getExistingDirectory(
            self, 'Select a directory', download_path)

        if fname:
            # Returns pathName with the '/' separators converted to separators that are appropriate for the underlying operating system.
            # On Windows, toNativeSeparators("c:/winnt/system32") returns
            # "c:\winnt\system32".
            fname = QDir.toNativeSeparators(fname)

        if os.path.isdir(fname):
            self.download_folder_lineEdit.setText(fname)

# enable when link_lineEdit is not empty and find size of file.