From f566bba0cbd168087d6dd403c37195696f118475 Mon Sep 17 00:00:00 2001
From: PySimpleGUI <PySimpleGUI@PySimpleGUI.com>
Date: Mon, 15 Jun 2020 11:19:17 -0400
Subject: [PATCH] New Demo - Desktop widget - disk usage

---
 .../Demo_Desktop_Widget_Drive_Usage.py        | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 DemoPrograms/Demo_Desktop_Widget_Drive_Usage.py

diff --git a/DemoPrograms/Demo_Desktop_Widget_Drive_Usage.py b/DemoPrograms/Demo_Desktop_Widget_Drive_Usage.py
new file mode 100644
index 00000000..565e9a66
--- /dev/null
+++ b/DemoPrograms/Demo_Desktop_Widget_Drive_Usage.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python
+import PySimpleGUI as sg
+import psutil
+
+"""
+    Desktop "Rainmeter" style widget - Drive usage
+    Requires: psutil
+    Shows a bar graph of space used for each drive partician that psutil finds
+"""
+
+ALPHA = .7
+UPDATE_FREQUENCY_MILLISECONDS = 20*1000
+
+colors = ('#23a0a0', '#56d856', '#be45be', '#5681d8', '#d34545', '#BE7C29')
+
+
+def human_size(bytes, units=(' bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB')):
+    """ Returns a human readable string reprentation of bytes"""
+    return str(bytes) + ' ' + units[0] if bytes < 1024 else human_size(bytes >> 10, units[1:])
+
+def update_window(window):
+    particians = psutil.disk_partitions()
+    for count, part in enumerate(particians):
+        mount = part[0]
+        try:
+            usage = psutil.disk_usage(mount)
+            window[('-NAME-', mount)].update(mount)
+            window[('-PROG-', mount)].update_bar(int(usage.percent))
+            window[('-%-', mount)].update(f'{usage.percent}%')
+            window[('-STATS-', mount)].update(f'{human_size(usage.used)} / {human_size(usage.total)} = {human_size(usage.free)} free')
+        except:
+            pass
+
+def main():
+    sg.theme('black')
+
+    # ----------------  Create Layout  ----------------
+
+    layout = [[sg.Button('', image_data=sg.red_x, border_width=0, button_color=('black', 'black'), key='Exit', tooltip='Closes window'), sg.Text('Drive Status', font='Any 16')]]
+
+    # Add a row for every partician that has a bar graph and text stats
+    particians = psutil.disk_partitions()
+    for count, part in enumerate(particians):
+        mount = part[0]
+        try:
+            bar_color = sg.theme_progress_bar_color()
+            this_color = colors[count%len(colors)]
+            usage = psutil.disk_usage(mount)
+            stats_info = f'{human_size(usage.used)} / {human_size(usage.total)} = {human_size(usage.free)} free'
+            layout += [[sg.Text(mount, size=(5,1), key=('-NAME-', mount)), sg.ProgressBar(100, 'h', size=(10,15), key=('-PROG-', mount), bar_color=(this_color, bar_color[1])),
+                        sg.Text(f'{usage.percent}%', size=(6,1), key=('-%-', mount)), sg.T(stats_info, size=(30,1), key=('-STATS-', mount))]]
+        except:
+            pass
+    layout += [[sg.Text('Refresh', font='Any 8', size=(15,1), key='-REFRESH-', enable_events=True)]]
+    # ----------------  Create Window  ----------------
+
+    window = sg.Window('Drive status', layout, keep_on_top=True, grab_anywhere=True, no_titlebar=True, alpha_channel=ALPHA, use_default_focus=False, finalize=True)
+
+    update_window(window)
+
+    # ----------------  Event Loop  ----------------
+    while True :
+        event, values = window.read(timeout=UPDATE_FREQUENCY_MILLISECONDS)
+        if event in (sg.WIN_CLOSED, 'Exit'):
+            break
+        update_window(window)
+
+if __name__ == "__main__":
+    main()