database.py 文件源码

def _encode(obj):
    if obj is None:
        return 'NULL'
    elif isinstance(obj, (bool, int, long, float)):
        return str(obj)
    elif isinstance(obj, basestring):
        # SECURITY NOTE: PAY SPECIAL CARE THIS WHEN CONNECTION IS NOT utf-8
        # CHECK THE SAFETY OF THE ENCODING:
        #
        # encoding = 'utf-8'
        # p = ['\\', '"', "'"]
        # for i in range(0x110000):
        #     c = unichr(i)
        #     try:
        #         e = c.encode(encoding)
        #     except UnicodeEncodeError:
        #         pass
        #     else:
        #         if any(map(lambda q: q in e, p)) and c not in p:
        #             print i, c
        #
        # DO NOT USE THIS IF ANYTHING IS IN THE OUTPUT

        return "'%s'" % MySQLdb.escape_string(_strify(obj))
    else:
        import json
        return _encode(json.dumps(obj))