#!/usr/bin/env python
import PySimpleGUI as sg
import sys
import psutil
"""
Desktop floating widget - CPU Cores as Gauges
Uses psutil to display:
CPU usage of each individual core
CPU utilization is updated every 2000 ms by default
Utiliziation is shown as a gauge
Pointer turns red when usage > 50%
To achieve a "rainmeter-style" of window, these featurees were used:
An alpha-channel setting of 0.8 to give a little transparency
No titlebar
Grab anywhere, making window easy to move around
Copyright 2020 PySimpleGUI
"""
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 = 2000 # how often to update graphs in milliseconds
colors = ('#23a0a0', '#56d856', '#be45be', '#5681d8', '#d34545', '#BE7C29')
import math
import random
class Gauge():
def mapping(func, sequence, *argc):
"""
Map function with extra argument, not for tuple.
: Parameters
func - function to call.
sequence - list for iteration.
argc - more arguments for func.
: Return
list of func(element of sequence, *argc)
"""
if isinstance(sequence, list):
return list(map(lambda i: func(i, *argc), sequence))
else:
return func(sequence, *argc)
def add(number1, number2):
"""
Add two number
: Parameter
number1 - number to add.
numeer2 - number to add.
: Return
Addition result for number1 and number2.
"""
return number1 + number1
def limit(number):
"""
Limit angle in range 0 ~ 360
: Parameter
number: angle degree.
: Return
angel degree in 0 ~ 360, return 0 if number < 0, 360 if number > 360.
"""
return max(min(360, number), 0)
class Clock():
"""
Draw background circle or arc
All angles defined as clockwise from negative x-axis.
"""
def __init__(self, center_x=0, center_y=0, radius=100, start_angle=0,
stop_angle=360, fill_color='white', line_color='black', line_width=2, graph_elem=None):
instance = Gauge.mapping(isinstance, [center_x, center_y, radius, start_angle,
stop_angle, line_width], (int, float)) + Gauge.mapping(isinstance,
[fill_color, line_color], str)
if False in instance:
raise ValueError
start_angle, stop_angle = Gauge.limit(start_angle), Gauge.limit(stop_angle)
self.all = [center_x, center_y, radius, start_angle, stop_angle,
fill_color, line_color, line_width]
self.figure = []
self.graph_elem = graph_elem
self.new()
def new(self):
"""
Draw Arc or circle
"""
x, y, r, start, stop, fill, line, width = self.all
start, stop = (180 - start, 180 - stop) if stop < start else (180 - stop, 180 - start)
if start == stop % 360:
self.figure.append(self.graph_elem.DrawCircle((x, y), r, fill_color=fill,
line_color=line, line_width=width))
else:
self.figure.append(self.graph_elem.DrawArc((x - r, y + r), (x + r, y - r), stop - start,
start, style='arc', arc_color=fill))
def move(self, delta_x, delta_y):
"""
Move circle or arc in clock by delta x, delta y
"""
if False in Gauge.mapping(isinstance, [delta_x, delta_y], (int, float)):
raise ValueError
self.all[0] += delta_x
self.all[1] += delta_y
for figure in self.figure:
self.graph_elem.MoveFigure(figure, delta_x, delta_y)
class Pointer():
"""
Draw pointer of clock
All angles defined as clockwise from negative x-axis.
"""
def __init__(self, center_x=0, center_y=0, angle=0, inner_radius=20,
outer_radius=80, outer_color='white', pointer_color='blue',
origin_color='black', line_width=2, graph_elem=None):
instance = Gauge.mapping(isinstance, [center_x, center_y, angle, inner_radius,
outer_radius, line_width], (int, float)) + Gauge.mapping(isinstance,
[outer_color, pointer_color, origin_color], str)
if False in instance:
raise ValueError
self.all = [center_x, center_y, angle, inner_radius, outer_radius,
outer_color, pointer_color, origin_color, line_width]
self.figure = []
self.stop_angle = angle
self.graph_elem = graph_elem
self.new(degree=angle)
def new(self, degree=0, color=None):
"""
Draw new pointer by angle, erase old pointer if exist
degree defined as clockwise from negative x-axis.
"""
(center_x, center_y, angle, inner_radius, outer_radius,
outer_color, pointer_color, origin_color, line_width) = self.all
pointer_color = color or pointer_color
if self.figure != []:
for figure in self.figure:
self.graph_elem.DeleteFigure(figure)
self.figure = []
d = degree - 90
self.all[2] = degree
dx1 = int(2 * inner_radius * math.sin(d / 180 * math.pi))
dy1 = int(2 * inner_radius * math.cos(d / 180 * math.pi))
dx2 = int(outer_radius * math.sin(d / 180 * math.pi))
dy2 = int(outer_radius * math.cos(d / 180 * math.pi))
self.figure.append(self.graph_elem.DrawLine((center_x - dx1, center_y - dy1),
(center_x + dx2, center_y + dy2),
color=pointer_color, width=line_width))
self.figure.append(self.graph_elem.DrawCircle((center_x, center_y), inner_radius,
fill_color=origin_color, line_color=outer_color, line_width=line_width))
def move(self, delta_x, delta_y):
"""
Move pointer with delta x and delta y
"""
if False in Gauge.mapping(isinstance, [delta_x, delta_y], (int, float)):
raise ValueError
self.all[:2] = [self.all[0] + delta_x, self.all[1] + delta_y]
for figure in self.figure:
self.graph_elem.MoveFigure(figure, delta_x, delta_y)
class Tick():
"""
Create tick on click for minor tick, also for major tick
All angles defined as clockwise from negative x-axis.
"""
def __init__(self, center_x=0, center_y=0, start_radius=90, stop_radius=100,
start_angle=0, stop_angle=360, step=6, line_color='black', line_width=2, graph_elem=None):
instance = Gauge.mapping(isinstance, [center_x, center_y, start_radius,
stop_radius, start_angle, stop_angle, step, line_width],
(int, float)) + [Gauge.mapping(isinstance, line_color, (list, str))]
if False in instance:
raise ValueError
start_angle, stop_angle = Gauge.limit(start_angle), Gauge.limit(stop_angle)
self.all = [center_x, center_y, start_radius, stop_radius,
start_angle, stop_angle, step, line_color, line_width]
self.figure = []
self.graph_elem = graph_elem
self.new()
def new(self):
"""
Draw ticks on clock
"""
(x, y, start_radius, stop_radius, start_angle, stop_angle, step,
line_color, line_width) = self.all
start_angle, stop_angle = (180 - start_angle, 180 - stop_angle
) if stop_angle < start_angle else (180 - stop_angle, 180 - start_angle)
for i in range(start_angle, stop_angle + 1, step):
start_x = x + start_radius * math.cos(i / 180 * math.pi)
start_y = y + start_radius * math.sin(i / 180 * math.pi)
stop_x = x + stop_radius * math.cos(i / 180 * math.pi)
stop_y = y + stop_radius * math.sin(i / 180 * math.pi)
self.figure.append(self.graph_elem.DrawLine((start_x, start_y),
(stop_x, stop_y), color=line_color, width=line_width))
def move(self, delta_x, delta_y):
"""
Move ticks by delta x and delta y
"""
if False in Gauge.mapping(isinstance, [delta_x, delta_y], (int, float)):
raise ValueError
self.all[0] += delta_x
self.all[1] += delta_y
for figure in self.figure:
self.graph_elem.MoveFigure(figure, delta_x, delta_y)
"""
Create Gauge
All angles defined as count clockwise from negative x-axis.
Should create instance of clock, pointer, minor tick and major tick first.
"""
def __init__(self, center=(0, 0), start_angle=0, stop_angle=180, major_tick_width=5, minor_tick_width=2,major_tick_start_radius=90, major_tick_stop_radius=100, major_tick_step=30, clock_radius=100, pointer_line_width=5, pointer_inner_radius=10, pointer_outer_radius=75, pointer_color='white', pointer_origin_color='black', pointer_outer_color='white', pointer_angle=0, degree=0, clock_color='white', major_tick_color='black', minor_tick_color='black', minor_tick_start_radius=90, minor_tick_stop_radius=100, graph_elem=None):
self.clock = Gauge.Clock(start_angle=start_angle, stop_angle=stop_angle, fill_color=clock_color, radius=clock_radius, graph_elem=graph_elem)
self.minor_tick = Gauge.Tick(start_angle=start_angle, stop_angle=stop_angle, line_width=minor_tick_width, line_color=minor_tick_color, start_radius=minor_tick_start_radius, stop_radius=minor_tick_stop_radius, graph_elem=graph_elem)
self.major_tick = Gauge.Tick(start_angle=start_angle, stop_angle=stop_angle, line_width=major_tick_width, start_radius=major_tick_start_radius, stop_radius=major_tick_stop_radius, step=major_tick_step, line_color=major_tick_color, graph_elem=graph_elem)
self.pointer = Gauge.Pointer(angle=pointer_angle, inner_radius=pointer_inner_radius, outer_radius=pointer_outer_radius, pointer_color=pointer_color, outer_color=pointer_outer_color, origin_color=pointer_origin_color, line_width=pointer_line_width, graph_elem=graph_elem)
self.center_x, self.center_y = self.center = center
self.degree = degree
self.dx = self.dy = 1
def move(self, delta_x, delta_y):
"""
Move gauge to move all componenets in gauge.
"""
self.center_x, self.center_y =self.center = (
self.center_x+delta_x, self.center_y+delta_y)
if self.clock:
self.clock.move(delta_x, delta_y)
if self.minor_tick:
self.minor_tick.move(delta_x, delta_y)
if self.major_tick:
self.major_tick.move(delta_x, delta_y)
if self.pointer:
self.pointer.move(delta_x, delta_y)
def change(self, degree=None, step=1):
"""
Rotation of pointer
call it with degree and step to set initial options for rotation.
Without any option to start rotation.
"""
if self.pointer:
if degree != None:
self.pointer.stop_degree = degree
self.pointer.step = step if self.pointer.all[2] < degree else -step
return True
now = self.pointer.all[2]
step = self.pointer.step
new_degree = now + step
if ((step > 0 and new_degree < self.pointer.stop_degree) or
(step < 0 and new_degree > self.pointer.stop_degree)):
self.pointer.new(degree=new_degree, color='red' if new_degree > 90 else None)
return False
else:
self.pointer.new(degree=self.pointer.stop_degree, color='red' if self.pointer.stop_degree > 90 else None)
return True
# 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 # type: sg.Graph
self.text_elem = text_elem
self.prev_value = starting_count
self.max_sent = 1
self.color = color
self.line_list = [] # list of currently visible lines. Used to delete oild figures
self.gauge = Gauge(pointer_color=color, clock_color=color, major_tick_color=color,
minor_tick_color=color, pointer_outer_color=sg.theme_text_color(), major_tick_start_radius=45,
minor_tick_start_radius=45, minor_tick_stop_radius=50, major_tick_stop_radius=50, major_tick_step=30, clock_radius=50, pointer_line_width=3,
pointer_inner_radius=10, pointer_outer_radius=50, graph_elem=graph_elem)
self.gauge.change(degree=0)
def graph_percentage_abs(self, value):
if self.gauge.change():
new_angle = value*180/100
self.gauge.change(degree=new_angle, step=new_angle)
self.gauge.change()
def text_display(self, text):
self.text_elem.update(text)
def main(location):
gsize = (100, 55)
# A couple of "User defined 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):
layout = [
[sg.Graph(gsize, (-gsize[0] // 2, 0), (gsize[0] // 2, gsize[1]), key=key+'-GRAPH-')],
[sg.T(size=(5, 1), justification='c', font='Courier 14', k=key+'-GAUGE VALUE-')]]
return sg.Column(layout, pad=(2, 2), element_justification='c')
num_cores = len(psutil.cpu_percent(percpu=True)) # get the number of cores in the CPU
sg.theme('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):
# for cols in range(min(num_cores-rows*NUM_COLS, NUM_COLS)):
layout += [[GraphColumn('CPU '+str(rows*NUM_COLS+cols), '-CPU-'+str(rows*NUM_COLS+cols)) for cols in range(min(num_cores-rows*NUM_COLS, NUM_COLS))]]
# ---------------- Create Window ----------------
window = sg.Window('CPU Cores Usage Widget', 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,
location=location,
right_click_menu=[[''], 'Exit'])
# setup graphs & initial values
graphs = [DashGraph(window['-CPU-'+str(i)+'-GRAPH-'],
window['-CPU-'+str(i) + '-GAUGE VALUE-'],
0, colors[i%6]) for i in range(num_cores) ]
# ---------------- main loop ----------------
while True :
# --------- Read and update window once every Polling Frequency --------
event, values = window.read(timeout=POLL_FREQUENCY/2)
if event in (sg.WIN_CLOSED, 'Exit'): # Be nice and give an exit
break
# read CPU for each core
stats = psutil.cpu_percent(interval=POLL_FREQUENCY/2/1000, percpu=True)
# update each graph
for i, util in enumerate(stats):
graphs[i].graph_percentage_abs(util)
graphs[i].text_display('{:2.0f}'.format(util))
window.close()
if __name__ == "__main__":
# when invoking this program, if a location is set on the command line, then the window will be created there. Use x,y with no ( )
if len(sys.argv) > 1:
location = sys.argv[1].split(',')
location = (int(location[0]), int(location[1]))
else:
location = (None, None)
main(location)