{
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  {
   "cell_type": "code",
   "execution_count": null,
   "id": "2102e30e",
   "metadata": {},
   "outputs": [],
   "source": [
    "from sys import executable, argv\n",
    "from subprocess import check_output\n",
    "from PyQt5.QtWidgets import QFileDialog, QApplication\n",
    "\n",
    "def gui_fname(directory='./'):\n",
    "    \"\"\"Open a file dialog, starting in the given directory, and return\n",
    "    the chosen filename\"\"\"\n",
    "    # run this exact file in a separate process, and grab the result\n",
    "    file = check_output([executable, __file__, directory])\n",
    "    return file.strip()\n",
    "\n",
    "if __name__ == \"__main__\":\n",
    "    directory = argv[1]\n",
    "    app = QApplication([directory])\n",
    "    fname = QFileDialog.getOpenFileName(None, \"Select a file...\", \n",
    "            directory, filter=\"All files (*)\")\n",
    "    print(fname[0])"
   ]
  }
 ],
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   "pygments_lexer": "ipython3",
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