PySimpleGUI/Demo_HowDoI.py

92 lines
4.4 KiB
Python

import PySimpleGUI as sg
import subprocess
import ctypes
import os
import win32process
# hwnd = ctypes.windll.kernel32.GetConsoleWindow()
# if hwnd != 0:
# ctypes.windll.user32.ShowWindow(hwnd, 0)
# ctypes.windll.kernel32.CloseHandle(hwnd)
# _, pid = win32process.GetWindowThreadProcessId(hwnd)
# os.system('taskkill /PID ' + str(pid) + ' /f')
# Test this command in a dos window if you are having trouble.
HOW_DO_I_COMMAND = 'python -m howdoi.howdoi'
# if you want an icon on your taskbar for this gui, then change this line of code to point to the ICO file
DEFAULT_ICON = 'E:\\TheRealMyDocs\\Icons\\QuestionMark.ico'
def HowDoI():
'''
Make and show a window (PySimpleGUI form) that takes user input and sends to the HowDoI web oracle
Excellent example of 2 GUI concepts
1. Output Element that will show text in a scrolled window
2. Non-Window-Closing Buttons - These buttons will cause the form to return with the form's values, but doesn't close the form
:return: never returns
'''
# ------- Make a new FlexForm ------- #
sg.ChangeLookAndFeel('GreenTan') # give our form a spiffy set of colors
layout = [
[sg.Text('Ask and your answer will appear here....', size=(40, 1))],
[sg.Output(size=(127, 30), font=('Helvetica 10'))],
[ sg.Spin(values=(1, 2, 3, 4), initial_value=1, size=(2, 1), key='Num Answers', font='Helvetica 15'), sg.T('Num Answers',font='Helvetica 15'), sg.Checkbox('Display Full Text', key='full text', font='Helvetica 15'),
sg.T('Command History'), sg.T('', size=(40,3), text_color=sg.BLUES[0], key='history')],
[sg.Multiline(size=(85, 5), enter_submits=True, key='query', do_not_clear=False),
sg.ReadFormButton('SEND', button_color=(sg.YELLOWS[0], sg.BLUES[0]), bind_return_key=True),
sg.SimpleButton('EXIT', button_color=(sg.YELLOWS[0], sg.GREENS[0]))]
]
form = sg.FlexForm('How Do I ??', default_element_size=(30, 2), icon=DEFAULT_ICON, font=('Helvetica',' 13'), default_button_element_size=(8,2), return_keyboard_events=True, no_titlebar=True)
form.Layout(layout)
# ---===--- Loop taking in user input and using it to query HowDoI --- #
command_history = []
history_offset = 0
while True:
(button, value) = form.Read()
if button is 'SEND':
query = value['query'].rstrip()
print(query)
QueryHowDoI(query, value['Num Answers'], value['full text']) # send the string to HowDoI
command_history.append(query)
history_offset = len(command_history)-1
form.FindElement('query').Update('') # manually clear input because keyboard events blocks clear
form.FindElement('history').Update('\n'.join(command_history[-3:]))
elif button is None or button is 'EXIT': # if exit button or closed using X
break
elif 'Up' in button and len(command_history): # scroll back in history
command = command_history[history_offset]
history_offset -= 1 * (history_offset > 0) # decrement is not zero
form.FindElement('query').Update(command)
elif 'Down' in button and len(command_history): # scroll forward in history
history_offset += 1 * (history_offset < len(command_history)-1) # increment up to end of list
command = command_history[history_offset]
form.FindElement('query').Update(command)
elif 'Escape' in button: # clear currently line
form.FindElement('query').Update('')
exit(69)
def QueryHowDoI(Query, num_answers, full_text):
'''
Kicks off a subprocess to send the 'Query' to HowDoI
Prints the result, which in this program will route to a gooeyGUI window
:param Query: text english question to ask the HowDoI web engine
:return: nothing
'''
howdoi_command = HOW_DO_I_COMMAND
full_text_option = ' -a' if full_text else ''
t = subprocess.Popen(howdoi_command + ' \"'+ Query + '\" -n ' + str(num_answers)+full_text_option, stdout=subprocess.PIPE)
(output, err) = t.communicate()
print('{:^88}'.format(Query.rstrip()))
print('_'*60)
print(output.decode("utf-8") )
exit_code = t.wait()
if __name__ == '__main__':
HowDoI()