Screenshot - tech_memo

# pip install pyscreenshot
import tkinter as tk
import pyscreenshot as ImageGrab 
import datetime
class Application(tk.Tk):

    def __init__(self):
        super().__init__()
        self.title("Capture: Enter, Resize: ←↑↓→")
        self.geometry("500x300")
        self.config(bg="white")
        self.attributes("-transparentcolor", "white")
        self.attributes("-topmost", True)
        self.bind("",self.key_pressed)

    def key_pressed(self, event):
        #print(event.keysym)
        capKeyList = ['p', 'Return']
        if(event.keysym in capKeyList ):
            self.capture()

        if(event.keysym == 'Up'):
            newW = self.winfo_width()
            newH = self.winfo_height() - 10
            self.geometry(str(newW)+"x"+str(newH))

        if(event.keysym == 'Down'):
            newW = self.winfo_width()
            newH = self.winfo_height() + 10
            self.geometry(str(newW)+"x"+str(newH))

        if(event.keysym == 'Left'):
            newW = self.winfo_width() -10
            newH = self.winfo_height() 
            self.geometry(str(newW)+"x"+str(newH))

        if(event.keysym == 'Right'):
            newW = self.winfo_width() +10
            newH = self.winfo_height() 
            self.geometry(str(newW)+"x"+str(newH))
        #self.pressed[event.keysym] = True

    def capture(self):
        canvas = self
        box = ( canvas.winfo_rootx(),
                canvas.winfo_rooty(),
                canvas.winfo_rootx() + canvas.winfo_width(),
                canvas.winfo_rooty() + canvas.winfo_height())
        grab = ImageGrab.grab(bbox = box)
        now = datetime.datetime.now()
        filename = './cap_' + now.strftime('%Y%m%d_%H%M%S')
        grab.save(filename+".png")
        print('saved: '+filename+".png")
        self.title("Saved: "+filename+".png")

if __name__ == "__main__":
    application = Application()
    application.mainloop()