def extract_contents(self, fileName):
try:
file_ref = open(fileName ,'rb')
except:
printl('Error opening %s' %fileName)
tkMessageBox.showerror("File Error", "Error opening %s" %fileName)
return None
try:
csvContents = [row for row in csv.reader(file_ref, delimiter = self.delimiter)]
except:
tkMessageBox.showerror("File Error", "CSV is not tab-delimited. Error opening %s" %fileName)
return None
self.numcolumnlist.append(max([len(x) for x in csvContents]))
return csvFile(fileName, csvContents)
def variance(self):
printl("Opening files")