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@chrisma
Created January 22, 2018 15:52
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Python GUI for reMarkable sync script
#!/usr/bin/env python3
import os
import tkinter as tk
from tkinter import filedialog
from tkinter import ttk
from tkinter import scrolledtext
import time
import threading
class DirectoryPicker(tk.Button):
"""
Subclass of tkinter button.
Button that shows folder selection dialog on click and selected folder path as text.
"""
def __init__(self, root, *args, **kwargs):
super().__init__(root, *args, **kwargs)
self.directory = None
self.root = root
self.placeholder = 'Select a folder'
self.configure(text=self.placeholder)
self.configure(command=self.openDirectory)
def openDirectory(self):
home = os.path.expanduser('~')
path = filedialog.askdirectory(parent=self.root, initialdir=home, title=self.placeholder)
self["text"] = str(path) if path else self.placeholder
self.directory = path
class App():
"""
GUI using tkinter. Shows main window with .show().
Pass a function in the constructor to be executed when the start button is clicked.
The function is passed a dictionary of the arguments set in the GUI elements.
"""
def __init__(self, worker_function):
self.root = tk.Tk()
self.root.title('reSyncable')
self.setupWidgets()
self.worker_function = worker_function
def show(self):
# Place window in middle of screen
self.root.eval('tk::PlaceWindow %s center' % self.root.winfo_pathname(self.root.winfo_id()))
self.root.mainloop()
def run(self):
"""
Function that is called when the start button is clicked.
Collects all the arguments to be passed to the worked function
and runs it in a spearate thread, so the main UI remains responsive.
"""
args = {
'sync_dir': self.sync_dir_btn["text"],
'another_dir': self.another_dir_btn['text'],
'third_dir': self.third_dir_btn['text']
}
threading.Thread(target=self.worker_function, args=[args]).start()
def set_active(self, bool_val):
if bool_val:
self.start_btn['state'] = 'disabled'
self.progress.grid(column=0, row=6, columnspan=2, sticky=tk.W+tk.E)
self.progress.start()
else:
self.start_btn['state'] = 'normal'
self.progress.stop()
self.progress.grid_forget()
def write(self, text):
"""
Write to the text area at the bottom of the GUI.
"""
self.log.configure(state='normal')
self.log.insert(tk.END, text + '\n')
self.log.yview(tk.END) # Autoscroll to the bottom
self.log.configure(state='disabled')
def setupWidgets(self):
# Folder selection dialog
tk.Label(self.root, text="Sync directory").grid(row=0, sticky=tk.W)
self.sync_dir_btn = DirectoryPicker(self.root, padx=10)
self.sync_dir_btn.grid(row=0, column=1, padx=(10, 0), sticky=tk.W)
tk.Label(self.root, text="Another directory").grid(row=1, sticky=tk.W)
self.another_dir_btn = DirectoryPicker(self.root, padx=10)
self.another_dir_btn.grid(row=1, column=1, padx=(10, 0), sticky=tk.W)
tk.Label(self.root, text="A third directory").grid(row=2, sticky=tk.W)
self.third_dir_btn = DirectoryPicker(self.root, padx=10)
self.third_dir_btn.grid(row=2, column=1, padx=(10, 0), sticky=tk.W)
self.start_btn = tk.Button(self.root, text="Start syncing", padx=20, command=self.run)
self.start_btn.grid(column=0, row=4, columnspan=2, pady=10)
self.log = scrolledtext.ScrolledText(self.root, width=40, height=10)
self.log.configure(font='TkFixedFont')
self.log.configure(state='disabled')
self.log.grid(column=0, row=5, columnspan=2, sticky=tk.W+tk.E)
self.progress = ttk.Progressbar(self.root, orient="horizontal", mode="indeterminate")
if __name__ == "__main__":
def worker(args):
app.set_active(True)
# this is where the actual work is being done
app.write('Started syncing')
app.write('Got args: {}'.format(args))
for _ in range(3):
# Report time / date at 1-second intervals
app.write('Current time: ' + time.asctime())
time.sleep(1)
app.write('Done syncing')
app.set_active(False)
app = App(worker)
app.show()
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