def asksaveasfile_qt(title,
parent=None,
initialdir="",
name_filter="",
check_existent=True):
"""
Wrapper to a show a "pick a file to save" dialog in PyQt.
"""
askfile_dialog = QtWidgets.QFileDialog()
if initialdir and os.path.isdir(initialdir):
_initialdir = initialdir
else:
_initialdir = ""
_filepath = askfile_dialog.getSaveFileName(parent, title, _initialdir,
name_filter)
if isinstance(_filepath, (tuple, list)):
filepath = _filepath[0]
sel_filter = _filepath[1]
else:
filepath = str(_filepath)
sel_filter = ""
if not filepath:
return filepath
if name_filter and check_existent:
if sel_filter:
extension = sel_filter[1:]
else:
return filepath
# PyQt has already checked for the existance of the file.
if filepath.endswith(extension):
return filepath
# PyQt may not have seen the file with the extension.
else:
if os.path.isfile(filepath + extension):
title = "Save As"
message = "File '%s' already exists. Do you want to replace it?" % (
filepath + extension)
choice = askyesno_qt(title, message, parent=parent)
if choice:
return filepath + extension
else:
return ""
else:
return filepath + extension
else:
return filepath
def askdirectory_qt(title, parent=None, initialdir=""):
"""
Wrapper to a show a "pick a directory" dialog in PyQt.
"""
askdirectory_dialog = QtWidgets.QFileDialog()
if initialdir and os.path.isdir(initialdir):
_initialdir = initialdir
else:
_initialdir = ""
flags = QtWidgets.QFileDialog.ShowDirsOnly
dirpath = str(
askdirectory_dialog.getExistingDirectory(parent, title, _initialdir,
flags))
return dirpath
def askopenfiles_qt(title, parent=None, initialdir="", name_filter=""):
"""
Wrapper to a show a "pick multiple files to open" dialog in PyQt.
"""
askfile_dialog = QtWidgets.QFileDialog()
if initialdir and os.path.isdir(initialdir):
_initialdir = initialdir
else:
_initialdir = ""
askfile_dialog.setFileMode(QtWidgets.QFileDialog.ExistingFile)
_filepaths = askfile_dialog.getOpenFileNames(parent, title, _initialdir,
name_filter)
if isinstance(_filepaths, (tuple, list)):
filepaths = _filepaths[0]
else:
filepaths = _filepaths
return filepaths
def askopenfile_qt(title,
parent=None,
initialdir="",
initialfile=None,
name_filter=""):
"""
Wrapper to a show a "pick a file to open" dialog in PyQt.
"""
askfile_dialog = QtWidgets.QFileDialog()
if initialdir and os.path.isdir(initialdir):
_initialdir = initialdir
else:
_initialdir = ""
askfile_dialog.setFileMode(QtWidgets.QFileDialog.ExistingFile)
filepath = askfile_dialog.getOpenFileName(parent, title, _initialdir,
name_filter)
if isinstance(filepath, (tuple, list)):
filepath = filepath[0]
else:
filepath = str(filepath)
return filepath
def file_open(self, dialog):
file_dialog = QtWidgets.QFileDialog(dialog)
fileName, _ = QtWidgets.QFileDialog.getOpenFileName(
dialog, 'Open File')
return fileName