60 lines
2.5 KiB
Python
60 lines
2.5 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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import os #to work with windows OS
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sg.ChangeLookAndFeel('GreenTan')
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sg.SetOptions(font = ('Calibri', 12, '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 =(10,1)), sg.InputText(size = (12,1), key = 'name')],
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[sg.Text('Mark1:', size =(10,1)), sg.InputText(size = (6,1), key = 'm1')],
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[sg.Text('Mark2:', size =(10,1)), sg.InputText(size = (6,1), key = 'm2')],
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[sg.Text('Mark3:', size =(10,1)), sg.InputText(size = (6,1), key = 'm3')],
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[sg.Text('Mark4:', size =(10,1)), sg.InputText(size = (6,1), key = 'm4')],
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[sg.ReadButton('Save', size = (8,1),key = 'save'), sg.Text('Press to Save to file')],
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[sg.ReadButton('Display',size = (8,1), key = 'display'), sg.Text('To retrieve and Display')],
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[sg.Multiline(size = (28,4), key = 'multiline')]]
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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'] #get name
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dirname, filename = os.path.split(os.path.abspath(__file__)) #get pathname to current file
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pathname = dirname + '\\results.txt' #add desired file name for saving to path
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#needs validation and try/catch error checking, will crash if blank or text entry for marks
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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) #create dictionary index m1 ... m4
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total += float(value[index])
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average = total/4
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f = open(pathname, 'w') #open file and save
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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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#some error checking for missing file needed here
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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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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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else:
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break
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