100 lines
4.1 KiB
Python
100 lines
4.1 KiB
Python
#!/usr/bin/env python
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import PySimpleGUIWeb as sg
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import subprocess
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import howdoi
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# Test this command in a dos window if you are having trouble.
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HOW_DO_I_COMMAND = 'python -m howdoi.howdoi'
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def HowDoI():
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'''
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Make and show a window (PySimpleGUI form) that takes user input and sends to the HowDoI web oracle
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Excellent example of 2 GUI concepts
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1. Output Element that will show text in a scrolled window
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2. Non-Window-Closing Buttons - These buttons will cause the form to return with the form's values, but doesn't close the form
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:return: never returns
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'''
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# ------- Make a new Window ------- #
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sg.change_look_and_feel('GreenTan') # give our form a spiffy set of colors
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layout = [
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[sg.Text('Ask and your answer will appear here....', size=(40, 1))],
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[sg.MLineOutput(size_px=(980, 400),key='_OUTPUT_' )],
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# [ sg.Spin(values=(1, 2, 3, 4), initial_value=1, size=(2, 1), key='Num Answers', font='Helvetica 15'),
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[ sg.CBox('Display Full Text', key='full text', font='Helvetica 15'),
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sg.Text('Command History', font='Helvetica 15'), sg.Text('', size=(40,3), text_color=sg.BLUES[0], key='history')],
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[sg.MLine(size=(85, 5), enter_submits=True, key='query', do_not_clear=False),
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sg.ReadButton('SEND', button_color=(sg.YELLOWS[0], sg.BLUES[0]), bind_return_key=True),
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sg.Button('EXIT', button_color=(sg.YELLOWS[0], sg.GREENS[0]))]
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]
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window = sg.Window('How Do I?', layout, default_element_size=(30,1),
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font=('Helvetica',' 17'), default_button_element_size=(8,2),
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return_keyboard_events=False)
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# ---===--- Loop taking in user input and using it to query HowDoI --- #
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command_history = []
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history_offset = 0
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while True:
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event, values = window.Read()
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# print(event, values)
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if type(event) is int:
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event = str(event)
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if event == 'SEND':
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query = values['query'].rstrip()
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window['_OUTPUT_'].update(query, append=True)
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print(query)
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QueryHowDoI(query, 1, values['full text'], window) # send the string to HowDoI
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command_history.append(query)
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history_offset = len(command_history)-1
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# manually clear input because keyboard events blocks clear
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window['query'].update('')
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window['history'].update('\n'.join(command_history[-3:]))
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# if exit button or closed using X
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elif event == None or event == 'EXIT':
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break
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# scroll back in history
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elif 'Up' in event and len(command_history):
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command = command_history[history_offset]
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# decrement is not zero
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history_offset -= 1 * (history_offset > 0)
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window['query'].update(command)
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# scroll forward in history
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elif 'Down' in event and len(command_history):
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# increment up to end of list
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history_offset += 1 * (history_offset < len(command_history)-1)
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command = command_history[history_offset]
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window['query'].update(command)
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# clear currently line
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elif 'Escape' in event:
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window['query'].update('')
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window.close()
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def QueryHowDoI(Query, num_answers, full_text, window:sg.Window):
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'''
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Kicks off a subprocess to send the 'Query' to HowDoI
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Prints the result, which in this program will route to a gooeyGUI window
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:param Query: text english question to ask the HowDoI web engine
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:return: nothing
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'''
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howdoi_command = HOW_DO_I_COMMAND
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full_text_option = ' -a' if full_text else ''
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t = subprocess.Popen(howdoi_command + ' \"'+ Query + '\" -n ' + str(num_answers)+full_text_option, stdout=subprocess.PIPE)
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(output, err) = t.communicate()
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window['_OUTPUT_'].update('{:^88}'.format(Query.rstrip()), append=True)
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window['_OUTPUT_'].update('_'*60, append=True)
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window['_OUTPUT_'].update(output.decode("utf-8"), append=True)
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exit_code = t.wait()
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if __name__ == '__main__':
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HowDoI()
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