FCM #152 Support file - depickle_support.py

#! /usr/bin/env python
#  -*- coding: utf-8 -*-
#
# Support module generated by PAGE version 4.27f
#  in conjunction with Tcl version 8.6
#    Nov 26, 2019 04:38:18 PM CST  platform: Linux
#    Nov 30, 2019 06:12:05 AM CST  platform: Linux

import sys
import pickle as pkl
from datetime import datetime
import platform
import os

try:  # Just in case the user is running Python 2.x
    import Tkinter as tk
    import tkFileDialog as filedialog
    import tkMessageBox as messagebox
    import tkFont as font
except ImportError:
    import tkinter as tk
    from tkinter import messagebox
    from tkinter import font
    from tkinter import filedialog

try:
    import ttk
    py3 = False
except ImportError:
    import tkinter.ttk as ttk
    py3 = True


def set_Tk_var():
    global pickleType
    pickleType = tk.StringVar()
    pickleType.set('')
    global entry_var
    entry_var = tk.StringVar()


def on_btnExit():
    # print('depickle1_support.on_btnExit')
    # sys.stdout.flush()
    destroy_window()


def on_btnFile():
    # print('depickle1_support.on_btnFile')
    # sys.stdout.flush()
    global fn, progpath
    title = "Select Pickle File"
    ft = (("Pickle files", "*.pkl"), ("all files", "*.*"))
    fn = filedialog.askopenfilename(initialdir=progpath,
                                    title=title,
                                    filetypes=ft)
    entry_var.set(fn)


def on_btnGo():
    # print('depickle1_support.on_btnGo')
    # sys.stdout.flush()
    clear_stw()
    global fn
    with open(fn, 'rb') as f:
        try:
            data = pkl.load(f)
        except UnicodeDecodeError:
            f.seek(0)  # in case the offset of the file is not in the beginning
            data = pkl.load(f, encoding='bytes')   # encoding='latin1')
    print(type(data))
    pickleType.set(type(data))
    if type(data) is dict:
        for key, val in data.items():
            # print(f'key: {key} - value: {val}')
            w.Scrolledtext1.insert('end', f'key:{key} - value: {val}\n')
    elif type(data) is list:
        for d in data:
            w.Scrolledtext1.insert('end', f'{d}\n')
    else:
        w.Scrolledtext1.insert('end', f'{data}\n')


def clear_stw():
    # Clear the ScrolledText Widget
    w.Scrolledtext1.delete('1.0', 'end')


def init(top, gui, *args, **kwargs):
    global w, top_level, root
    w = gui
    top_level = top
    root = top
    # ======================================================
    # My init code starts here...
    # ======================================================
    pv = platform.python_version()
    print("Running under Python {0}".format(pv))
    # Get the current program path
    global progpath
    progpath = os.getcwd()
    print(progpath)
    # Set the main form title...
    root.title('Depickle')


def destroy_window():
    # Function which closes the window.
    global top_level
    top_level.destroy()
    top_level = None


if __name__ == '__main__':
    import depickle1
    depickle1.vp_start_gui()