merge_blackboard.py 文件源码

def run(self, args):
        student_grades = {}
        csci = csv.DictReader(args.csci, fieldnames=['unixname'] + args.columns)
        for line in csci:
            student = line['unixname']
            del line['unixname']
            student_grades[student] = line

        blackboard = csv.DictReader(args.blackboard)
        fields = blackboard.fieldnames
        # there's some weird unicode bs in the first column of a blackboard file
        # this grabs just the actual column
        fields[0] = fields[0][2:-1]
        output = csv.DictWriter(args.output, fieldnames=blackboard.fieldnames)
        output.writeheader()
        for row in blackboard:
            unix_name = row['Username']
            new_row = row
            new_row.update(student_grades[unix_name])
            output.writerow(new_row)