def selectFile(self):
self.filePath = askopenfilename()
if len(self.filePath) != 0:
with open(self.filePath, 'r') as f:
self.Graph = [[int(num) for num in line.split(',')]
for line in f]
self.numberOfVertices = DS.CountVertices(self.Graph)
if self.numberOfVertices != 0:
self.fileSelectionLabel.configure(
text="Graph extracted with {} vertices".format(
self.numberOfVertices))
else:
self.fileSelectionLabel.configure(text="Input Not accepted")
