osh5gui.py

"""
osh5gui.py
=========
GUI for the OSIRIS HDF5 data.
"""

from sys import executable, argv
from subprocess import check_output
from PyQt5.QtWidgets import QFileDialog, QApplication


def gui_fname(directory='./'):
    """Open a file dialog, starting in the given directory, and return
    the chosen filename"""
    # run this exact file in a separate process, and grab the result
    file = check_output([executable, __file__, directory])
    return file.strip()


if __name__ == "__main__":
    directory = argv[1]
    app = QApplication([directory])
    fname = QFileDialog.getOpenFileName(None, "Select a file...", directory, filter='All files (*)')
    print(fname[0])