73 lines
3.1 KiB
Python
73 lines
3.1 KiB
Python
#PySimple examples (v 3.9)
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#Tony Crewe
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#Oct 2018 MacOs
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import PySimpleGUI as sg
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import os #to work with windows OS
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#sg.ChangeLookAndFeel('GreenTan')
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sg.SetOptions(background_color = 'LightBlue',
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element_background_color = 'LightBlue',
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text_element_background_color = 'LightBlue',
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font= ('Calibri', 14, 'bold'))
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layout = [
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[sg.Text('Enter a Name and four Marks')],
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[sg.Text('Name:', size =(8,1)), sg.InputText(size = (10,1), key = '_name_')],
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[sg.Text('Mark1:', size =(8,1)), sg.InputText(size = (5,1), key = '_m1_')],
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[sg.Text('Mark2:', size =(8,1)), sg.InputText(size = (5,1), key = '_m2_')],
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[sg.Text('Mark3:', size =(8,1)), sg.InputText(size = (5,1), key = '_m3_')],
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[sg.Text('Mark4:', size =(8,1)), sg.InputText(size = (5,1), key = '_m4_')],
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[sg.ReadButton('Save', size = (6,1),key = '_save_'), sg.Text('Press to Save to file')],
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[sg.ReadButton('Display',size = (6,1), key = '_display_'), sg.Text('To retrieve and Display')],
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[sg.Multiline(size = (24,4), key = '_multiline_', pad = (2,15))]]
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window = sg.Window('Simple Average Finder').Layout(layout)
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while True:
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button, value = window.Read() #value is a dictionary holding name and marks (4)
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if button is not None:
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#initialise variables
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total = 0.0
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index = ''
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name = value['_name_']
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#get pathname to current file
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dirname, filename = os.path.split(os.path.abspath(__file__))
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#add desired file name for saving to path
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pathname = os.path.join(dirname , 'results.txt' )
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#generic catch error - blanks or wrong data types
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try:
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if button == '_save_':
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for i in range (1,5):
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index = '_m' + str(i) + '_'
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#Check for values between 0 and 100
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if float(value[index]) < 0 or float(value[index]) >100:
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sg.Popup('Out of Range', 'Enter Marks between 0 and 100')
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else:
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total += float(value[index])
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average = total/4
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f = open(pathname, 'w')
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print (name, file = f)
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print (total, file = f)
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print (average, file = f)
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f.close()
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except ValueError:
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sg.Popup('Error','Check entries and try again')
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if button == '_display_':
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#This loads the file line by line into a list called data.
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#the strip() removes whitespaces from beginning and end of each line.
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try:
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data = [line.strip() for line in open(pathname)]
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#create single string to display in multiline object.
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string = 'Name: ' + data[0] +'\nTotal: ' + str(data[1]) + '\nAverage: ' + str(data[2])
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window.FindElement('_multiline_').Update(string)
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except:
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sg.PopupError('Error', 'Problem finding or reading file')
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else:
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break
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