34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
#PySimple examples (v 3.8)
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#Tony Crewe
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#Sep 2018
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import PySimpleGUI as sg
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#Can use a variety of themes - plus individual options
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sg.ChangeLookAndFeel('SandyBeach')
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sg.SetOptions (font = ('Arial', 10, 'bold'))
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layout = [ [sg.Text('Enter a Temperature in Celcius')],
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[sg.Text('Celcius', size =(8,1)), sg.InputText(size = (15,1),key = '_input_')],
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[sg.Text('Result', size =(8,1)), sg.InputText(size = (15,1),key = '_result_')],
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[sg.ReadButton('Submit', bind_return_key = True)]]
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window = sg.Window('Temp Converter').Layout(layout)
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while True:
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button, value = window.Read()
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if button is not None:
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#catch program errors for text, floats or blank entry:
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#Also validation for range [0, 50]
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try:
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if float(value['_input_']) > 50 or float(value['_input_']) <0:
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sg.Popup('Error','Out of range')
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else:
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fahrenheit = round(9/5*int(value['_input_']) +32, 1)
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window.FindElement('_result_').Update(fahrenheit)
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except ValueError:
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sg.Popup('Error','Please try again')
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else:
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break
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