67 lines
3.1 KiB
Python
67 lines
3.1 KiB
Python
import PySimpleGUI as sg
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"""
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Demo - User Settings as a Database
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The PySimpleGUI User Settings APIs are implemnted to look like a dictionary to the
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user and utilize JSON files to store the data. As a result, one "key" is used to
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store and retrieve each "setting". This capability cab be used to implement a
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simple database.
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In this demo the User Settings file is used to store a user ID and data associated
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with that ID. Each User ID has a dictionary stored in the User Settings file. This
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dictionary is built from the values dictionary of the window. There is a map varaible
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called data_map that translates between the two dictionaries.
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Copyright 2022 PySimpleGUI
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"""
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def get_id_data(user_setting, id):
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return user_setting[id]
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def main():
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# Maps between keys used in the User Settings an the Window itself
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data_map = {'-name-': '-NAME-', '-password-': '-PASSWORD-', '-dept-': '-DEPT-', '-security-': '-SECURITY-'}
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user_data = sg.UserSettings('my_user_data.json')
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INPUT_SIZE=30
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layout = [ [sg.Text('User ID Management')],
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[sg.Push(), sg.Text('User ID:'), sg.Input(key='-ID-', size=INPUT_SIZE)],
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[sg.Push(), sg.Text('Name:'), sg.Input(key='-NAME-', size=INPUT_SIZE,)],
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[sg.Push(), sg.Text('Password:'), sg.Input(key='-PASSWORD-', size=INPUT_SIZE, password_char='*')],
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[sg.Push(), sg.Text('Department:'), sg.Input(key='-DEPT-', size=INPUT_SIZE,)],
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[ sg.Text('Security Level:'), sg.Combo(('Low', 'Medium', 'High'), size=(INPUT_SIZE-2,3), readonly=True, default_value='Low', key='-SECURITY-')],
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[sg.Button('Add/Update'), sg.Button('Load'), sg.Button('Display'), sg.Button('Exit')] ]
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window = sg.Window('User Settings as Database', layout)
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while True: # Event Loop
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event, values = window.read()
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print(event, values)
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if event == sg.WIN_CLOSED or event == 'Exit':
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break
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elif event == 'Add/Update':
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# Make a dictionary of data for the ID being added/updated based on the window's values
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user = values['-ID-']
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data = {}
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for setting_key, values_key in data_map.items():
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data[setting_key] = values[values_key]
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user_data[user] = data
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sg.popup(f'Added or updated user: {values["-ID-"]}')
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elif event == 'Load':
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user = values['-ID-']
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data = user_data[user]
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for setting_key, values_key in data_map.items():
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value = data[setting_key] if data is not None else ''
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window[values_key].update(value)
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elif event == 'Display':
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user = values['-ID-']
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data = user_data[user]
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output = f'Detailed User Information for ID: {user}\n'
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for setting_key, values_key in data_map.items():
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value = data[setting_key] if data is not None else ''
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output += f'{setting_key} = {value}\n'
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sg.popup_scrolled(output, title='Detailed User Data')
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if __name__ == '__main__':
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main()
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