61 lines
2.6 KiB
Python
61 lines
2.6 KiB
Python
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#!/usr/bin/env python
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import sys
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if sys.version_info[0] >= 3:
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import PySimpleGUI as sg
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else:
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import PySimpleGUI27 as sg
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'''
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A chatbot with history
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Scroll up and down through prior commands using the arrow keys
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Special keyboard keys:
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Up arrow - scroll up in commands
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Down arrow - scroll down in commands
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Escape - clear current command
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Control C - exit form
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'''
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def ChatBotWithHistory():
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# ------- Make a new Window ------- #
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sg.ChangeLookAndFeel('GreenTan') # give our form a spiffy set of colors
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layout = [[sg.Text('Your output will go here', size=(40, 1))],
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[sg.Output(size=(127, 30), font=('Helvetica 10'))],
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[sg.T('Command History'), sg.T('', size=(20,3), key='history')],
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[sg.Multiline(size=(85, 5), enter_submits=True, key='query', do_not_clear=False),
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sg.Button('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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window = sg.Window('Chat window with history', default_element_size=(30, 2), font=('Helvetica',' 13'), default_button_element_size=(8,2), return_keyboard_events=True).Layout(layout)
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# ---===--- Loop taking in user input and using it --- #
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command_history = []
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history_offset = 0
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while True:
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(event, value) = window.Read()
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if event == 'SEND':
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query = value['query'].rstrip()
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# EXECUTE YOUR COMMAND HERE
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print('The command you entered was {}'.format(query))
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command_history.append(query)
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history_offset = len(command_history)-1
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window.FindElement('query').Update('') # manually clear input because keyboard events blocks clear
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window.FindElement('history').Update('\n'.join(command_history[-3:]))
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elif event in (None, 'EXIT'): # quit if exit event or X
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break
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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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history_offset -= 1 * (history_offset > 0) # decrement is not zero
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window.FindElement('query').Update(command)
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elif 'Down' in event and len(command_history):
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history_offset += 1 * (history_offset < len(command_history)-1) # increment up to end of list
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command = command_history[history_offset]
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window.FindElement('query').Update(command)
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elif 'Escape' in event:
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window.FindElement('query').Update('')
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sys.exit(69)
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ChatBotWithHistory()
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