New Graph Element ! Graph on a canvas using your own coordinate system. Demo program for Graph Element, Exception handling for CPU widget. Sometimes as getting error from psutil
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MikeTheWatchGuy
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25a5266dce
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4ad786c27c
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@ -27,8 +27,11 @@ def CPU_thread(args):
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global g_interval, g_cpu_percent, g_procs, g_exit
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while not g_exit:
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g_cpu_percent = psutil.cpu_percent(interval=g_interval)
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g_procs = psutil.process_iter()
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try:
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g_cpu_percent = psutil.cpu_percent(interval=g_interval)
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g_procs = psutil.process_iter()
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except:
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pass
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def main():
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@ -67,7 +70,10 @@ def main():
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display_string = ''
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if g_procs:
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# --------- Create list of top % CPU porocesses --------
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top = {proc.name() : proc.cpu_percent() for proc in g_procs}
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try:
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top = {proc.name() : proc.cpu_percent() for proc in g_procs}
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except: pass
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top_sorted = sorted(top.items(), key=operator.itemgetter(1), reverse=True)
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if top_sorted:
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@ -0,0 +1,57 @@
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import ping
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from threading import Thread
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import time
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import PySimpleGUI as sg
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# globale used to communicate with thread.. yea yea... it's working fine
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g_exit = False
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g_response_time = None
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def ping_thread(args):
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global g_exit, g_response_time
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while not g_exit:
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g_response_time = ping.quiet_ping('google.com', timeout=1000)
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def main():
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global g_exit, g_response_time
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# start ping measurement thread
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thread = Thread(target=ping_thread, args=(None,))
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thread.start()
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layout = [ [sg.T('Ping times to Google.com', font='Any 18')],
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[sg.Graph((300,300), (0,0), (100,500),background_color='white', key='graph')],
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[sg.Quit()]]
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form = sg.FlexForm('Canvas test', grab_anywhere=True)
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form.Layout(layout)
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prev_response_time = None
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i=0
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prev_x, prev_y = 0, 0
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while True:
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time.sleep(.2)
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button, values = form.ReadNonBlocking()
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if button == 'Quit' or values is None:
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break
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if g_response_time is None or prev_response_time == g_response_time:
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continue
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new_x, new_y = i, g_response_time[0]
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prev_response_time = g_response_time
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form.FindElement('graph').DrawLine((prev_x, prev_y), (new_x, new_y), color='red')
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# form.FindElement('graph').DrawPoint((new_x, new_y), color='red')
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prev_x, prev_y = new_x, new_y
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if i >= 100:
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i = 0
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prev_x = prev_y = last_x = last_y = 0
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form.FindElement('graph').Erase()
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else: i += 4
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# tell thread we're done. wait for thread to exit
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g_exit = True
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thread.join()
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if __name__ == '__main__':
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main()
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exit(69)
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@ -1106,11 +1106,55 @@ class Image(Element):
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class Canvas(Element):
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def __init__(self, canvas=None, background_color=None, scale=(None, None), size=(None, None), pad=None, key=None):
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self.BackgroundColor = background_color if background_color is not None else DEFAULT_BACKGROUND_COLOR
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self.TKCanvas = canvas
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self._TKCanvas = canvas
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super().__init__(ELEM_TYPE_CANVAS, background_color=background_color, scale=scale, size=size, pad=pad, key=key)
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return
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@property
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def TKCanvas(self):
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return self._TKCanvas
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def __del__(self):
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super().__del__()
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# ---------------------------------------------------------------------- #
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# Graph #
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# ---------------------------------------------------------------------- #
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class Graph(Canvas):
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def __init__(self, canvas_size, graph_bottom_left, graph_top_right, background_color=None, scale=(None, None), size=(None, None), pad=None, key=None):
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self.CanvasSize = canvas_size
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self.BottomLeft = graph_bottom_left
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self.TopRight = graph_top_right
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super().__init__(background_color=background_color, scale=scale, size=canvas_size, pad=pad, key=key)
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return
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def _convert_xy_to_canvas_xy(self, x_in, y_in):
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scale_x = (self.CanvasSize[0] - 0) / (self.TopRight[0] - self.BottomLeft[0])
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scale_y = (0 - self.CanvasSize[1]) / (self.TopRight[1] - self.BottomLeft[1])
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new_x = 0 + scale_x * (x_in - self.BottomLeft[0])
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new_y = self.CanvasSize[1] + scale_y * (y_in - self.BottomLeft[1])
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return new_x, new_y
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def DrawLine(self, point_from, point_to, color='black', width=1):
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converted_point_from = self._convert_xy_to_canvas_xy(*point_from)
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converted_point_to = self._convert_xy_to_canvas_xy(*point_to)
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self.TKCanvas.create_line(converted_point_from, converted_point_to, width=width, fill=color)
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def DrawPoint(self, point, size=2, color='black'):
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converted_point = self._convert_xy_to_canvas_xy(*point)
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self.TKCanvas.create_oval(converted_point[0]-size, converted_point[1]-size, converted_point[0]+size, converted_point[1]+size, fill=color, outline=color )
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def Erase(self):
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self.TKCanvas.delete('all')
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def __del__(self):
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super().__del__()
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@ -2611,13 +2655,13 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
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# ------------------------- Canvas element ------------------------- #
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elif element_type == ELEM_TYPE_CANVAS:
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width, height = element_size
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if element.TKCanvas is None:
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element.TKCanvas = tk.Canvas(tk_row_frame, width=width, height=height, bd=border_depth)
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if element._TKCanvas is None:
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element._TKCanvas = tk.Canvas(tk_row_frame, width=width, height=height, bd=border_depth)
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else:
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element.TKCanvas.master = tk_row_frame
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element._TKCanvas.master = tk_row_frame
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if element.BackgroundColor is not None and element.BackgroundColor != COLOR_SYSTEM_DEFAULT:
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element.TKCanvas.configure(background=element.BackgroundColor)
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element.TKCanvas.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
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element._TKCanvas.configure(background=element.BackgroundColor)
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element._TKCanvas.pack(side=tk.LEFT, padx=element.Pad[0], pady=element.Pad[1])
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# ------------------------- MENUBAR element ------------------------- #
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elif element_type == ELEM_TYPE_MENUBAR:
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menu_def = (('File', ('Open', 'Save')),
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@ -3078,6 +3122,7 @@ def EasyProgressMeter(title, current_value, max_value, *args, orientation=None,
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EasyProgressMeter.Data = getattr(EasyProgressMeter, 'Data', EasyProgressMeterDataClass())
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# if no meter currently running
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if EasyProgressMeter.Data.MeterID is None: # Starting a new meter
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print("Please change your call of EasyProgressMeter to use OneLineProgressMeter. EasyProgressMeter will be removed soon")
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if int(current_value) >= int(max_value):
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return False
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del(EasyProgressMeter.Data)
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