tstlib.py 文件源码

def tests_differ(activity, checkout):

    delta = {}
    diffs = [d for d in difflib.ndiff(checkout, activity) if d[0] != '?']
    index = 0
    for i in xrange(len(diffs)):
        line = diffs[i]
        if line[0] == ' ':
            index += 1
        elif line[0] == '+':
            previous = diffs[i-1] if (i > 0) else None
            delta.setdefault('tests', []).append(('+', line[2:], index))
            index += 1
        elif line[0] == '-':
            delta.setdefault('tests', []).append(('-', line[2:], index))
            # index is not changed, because this line was removed
        elif line[0] == '?':
            # this line is added by ndiff for information only
            pass

    return delta.get('tests', [])