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#!/usr/bin/env python
import PySimpleGUI as sg
import psutil
"""
Desktop floating widget - CPU Cores
Uses psutil to display:
CPU usage on each individual core
Information is updated once a second and is shown as an area graph that scrolls
"""
GRAPH_WIDTH = 120 # each individual graph size in pixels
GRAPH_HEIGHT = 40
TRANSPARENCY = .8 # how transparent the window looks. 0 = invisible, 1 = normal window
NUM_COLS = 4
POLL_FREQUENCY = 500 # how often to update graphs in milliseconds
colors = ('#23a0a0', '#56d856', '#be45be', '#5681d8', '#d34545', '#BE7C29')
# DashGraph does the drawing of each graph
class DashGraph(object):
def __init__(self, graph_elem, text_elem, starting_count, color):
self.graph_current_item = 0
self.graph_elem = graph_elem
self.text_elem = text_elem
self.prev_value = starting_count
self.max_sent = 1
self.color = color
def graph_percentage_abs(self, value):
self.graph_elem.draw_line(
(self.graph_current_item, 0),
(self.graph_current_item, value),
color=self.color)
if self.graph_current_item >= GRAPH_WIDTH:
self.graph_elem.move(-1,0)
else:
self.graph_current_item += 1
def text_display(self, text):
self.text_elem.update(text)
def main():
# A couple of "Uber Elements" that combine several elements and enable bulk edits
def Txt(text, **kwargs):
return(sg.Text(text, font=('Helvetica 8'), **kwargs))
def GraphColumn(name, key):
col = sg.Col([[Txt(name, key=key+'_TXT_'), ],
[sg.Graph((GRAPH_WIDTH, GRAPH_HEIGHT), (0, 0), (GRAPH_WIDTH, 100), background_color='black',
key=key+'_GRAPH_')]], pad=(2, 2))
return col
num_cores = len(psutil.cpu_percent(percpu=True)) # get the number of cores in the CPU
sg.change_look_and_feel('Black')
sg.set_options(element_padding=(0,0), margins=(1,1), border_width=0)
# the clever Red X graphic
red_x = "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"
layout = [[ sg.Button('', image_data=red_x, button_color=('black', 'black'), key='Exit', tooltip='Closes window'),
sg.Text(' CPU Core Usage')] ]
# add on the graphs
for rows in range(num_cores//NUM_COLS+1):
row = []
for cols in range(min(num_cores-rows*NUM_COLS, NUM_COLS)):
row.append(GraphColumn('CPU '+str(rows*NUM_COLS+cols), '_CPU_'+str(rows*NUM_COLS+cols)))
layout.append(row)
# ---------------- Create Window ----------------
window = sg.Window('PSG System Dashboard', layout,
keep_on_top=True,
auto_size_buttons=False,
grab_anywhere=True,
no_titlebar=True,
default_button_element_size=(12, 1),
return_keyboard_events=True,
alpha_channel=TRANSPARENCY,
use_default_focus=False,
finalize=True)
# setup graphs & initial values
graphs = []
for i in range(num_cores):
graphs.append(DashGraph(window['_CPU_'+str(i)+'_GRAPH_'],
window['_CPU_'+str(i) + '_TXT_'],
0, colors[i%6]))
# ---------------- main loop ----------------
while True :
# --------- Read and update window once every Polling Frequency --------
event, values = window.read(timeout=POLL_FREQUENCY)
if event in (None, 'Exit'): # Be nice and give an exit
break
# read CPU for each core
stats = psutil.cpu_percent(percpu=True)
# update each graph
for i in range(num_cores):
graphs[i].graph_percentage_abs(stats[i])
graphs[i].text_display('{} CPU {:2.0f}'.format(i, stats[i]))
window.close()
if __name__ == "__main__":
main()
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