utils.py 文件源码

def legacy_format_json(original):
    # save state
    states = []
    text = original

    # save position for double-quoted texts
    for i, pos in enumerate(re.finditer('"', text)):
        # pos.start() is a double-quote
        p = pos.start() + 1
        if i % 2 == 0:
            nxt = text.find('"', p)
            states.append((p, text[p:nxt]))

    # replace all weired characters in text
    while text.find(',,') > -1:
        text = text.replace(',,', ',null,')
    while text.find('[,') > -1:
        text = text.replace('[,', '[null,')

    # recover state
    for i, pos in enumerate(re.finditer('"', text)):
        p = pos.start() + 1
        if i % 2 == 0:
            j = int(i / 2)
            nxt = text.find('"', p)
            # replacing a portion of a string
            # use slicing to extract those parts of the original string to be kept
            text = text[:p] + states[j][1] + text[nxt:]

    converted = json.loads(text)
    return converted