Python max_key.MaxKey方法代码示例

# 需要导入模块: from bson import max_key [as 别名]
# 或者: from bson.max_key import MaxKey [as 别名]
def _encode_maxkey(name, dummy0, dummy1, dummy2):
    """Encode bson.max_key.MaxKey."""
    return b"\x7F" + name


# Each encoder function's signature is:
#   - name: utf-8 bytes
#   - value: a Python data type, e.g. a Python int for _encode_int
#   - check_keys: bool, whether to check for invalid names
#   - opts: a CodecOptions 

# 需要导入模块: from bson import max_key [as 别名]
# 或者: from bson.max_key import MaxKey [as 别名]
def object_hook(dct, compile_re=True):
    if "$oid" in dct:
        return ObjectId(str(dct["$oid"]))
    if "$ref" in dct:
        return DBRef(dct["$ref"], dct["$id"], dct.get("$db", None))
    if "$date" in dct:
        secs = float(dct["$date"]) / 1000.0
        return EPOCH_AWARE + datetime.timedelta(seconds=secs)
    if "$regex" in dct:
        flags = 0
        # PyMongo always adds $options but some other tools may not.
        for opt in dct.get("$options", ""):
            flags |= _RE_OPT_TABLE.get(opt, 0)

        if compile_re:
            return re.compile(dct["$regex"], flags)
        else:
            return Regex(dct["$regex"], flags)
    if "$minKey" in dct:
        return MinKey()
    if "$maxKey" in dct:
        return MaxKey()
    if "$binary" in dct:
        if isinstance(dct["$type"], int):
            dct["$type"] = "%02x" % dct["$type"]
        subtype = int(dct["$type"], 16)
        if subtype >= 0xffffff80:  # Handle mongoexport values
            subtype = int(dct["$type"][6:], 16)
        return Binary(base64.b64decode(dct["$binary"].encode()), subtype)
    if "$code" in dct:
        return Code(dct["$code"], dct.get("$scope"))
    if bson.has_uuid() and "$uuid" in dct:
        return bson.uuid.UUID(dct["$uuid"])
    return dct 

# 需要导入模块: from bson import max_key [as 别名]
# 或者: from bson.max_key import MaxKey [as 别名]
def test_maxkey(self):
        self.round_trip({"m": MaxKey()}) 

# 需要导入模块: from bson import max_key [as 别名]
# 或者: from bson.max_key import MaxKey [as 别名]
def setUp(self):
        """Setup class."""
        from bson.max_key import MaxKey
        self.encoder = GoodJSONEncoder()
        self.data = MaxKey() 

# 需要导入模块: from bson import max_key [as 别名]
# 或者: from bson.max_key import MaxKey [as 别名]
def default(obj):
    # We preserve key order when rendering SON, DBRef, etc. as JSON by
    # returning a SON for those types instead of a dict.
    if isinstance(obj, ObjectId):
        return {"$oid": str(obj)}
    if isinstance(obj, DBRef):
        return _json_convert(obj.as_doc())
    if isinstance(obj, datetime.datetime):
        # TODO share this code w/ bson.py?
        if obj.utcoffset() is not None:
            obj = obj - obj.utcoffset()
        millis = int(calendar.timegm(obj.timetuple()) * 1000 +
                     obj.microsecond / 1000)
        return {"$date": millis}
    if isinstance(obj, (RE_TYPE, Regex)):
        flags = ""
        if obj.flags & re.IGNORECASE:
            flags += "i"
        if obj.flags & re.LOCALE:
            flags += "l"
        if obj.flags & re.MULTILINE:
            flags += "m"
        if obj.flags & re.DOTALL:
            flags += "s"
        if obj.flags & re.UNICODE:
            flags += "u"
        if obj.flags & re.VERBOSE:
            flags += "x"
        if isinstance(obj.pattern, text_type):
            pattern = obj.pattern
        else:
            pattern = obj.pattern.decode('utf-8')
        return SON([("$regex", pattern), ("$options", flags)])
    if isinstance(obj, MinKey):
        return {"$minKey": 1}
    if isinstance(obj, MaxKey):
        return {"$maxKey": 1}
    if isinstance(obj, Timestamp):
        return {"$timestamp": SON([("t", obj.time), ("i", obj.inc)])}
    if isinstance(obj, Code):
        return SON([('$code', str(obj)), ('$scope', obj.scope)])
    if isinstance(obj, Binary):
        return SON([
            ('$binary', base64.b64encode(obj).decode()),
            ('$type', "%02x" % obj.subtype)])
    if PY3 and isinstance(obj, bytes):
        return SON([
            ('$binary', base64.b64encode(obj).decode()),
            ('$type', "00")])
    if isinstance(obj, uuid.UUID):
        return {"$uuid": obj.hex}
    raise TypeError("%r is not JSON serializable" % obj) 

# 需要导入模块: from bson import max_key [as 别名]
# 或者: from bson.max_key import MaxKey [as 别名]
def default(obj):
    # We preserve key order when rendering SON, DBRef, etc. as JSON by
    # returning a SON for those types instead of a dict. This works with
    # the "json" standard library in Python 2.6+ and with simplejson
    # 2.1.0+ in Python 2.5+, because those libraries iterate the SON
    # using PyIter_Next. Python 2.4 must use simplejson 2.0.9 or older,
    # and those versions of simplejson use the lower-level PyDict_Next,
    # which bypasses SON's order-preserving iteration, so we lose key
    # order in Python 2.4.
    if isinstance(obj, ObjectId):
        return {"$oid": str(obj)}
    if isinstance(obj, DBRef):
        return _json_convert(obj.as_doc())
    if isinstance(obj, datetime.datetime):
        # TODO share this code w/ bson.py?
        if obj.utcoffset() is not None:
            obj = obj - obj.utcoffset()
        millis = int(calendar.timegm(obj.timetuple()) * 1000 +
                     obj.microsecond / 1000)
        return {"$date": millis}
    if isinstance(obj, (RE_TYPE, Regex)):
        flags = ""
        if obj.flags & re.IGNORECASE:
            flags += "i"
        if obj.flags & re.LOCALE:
            flags += "l"
        if obj.flags & re.MULTILINE:
            flags += "m"
        if obj.flags & re.DOTALL:
            flags += "s"
        if obj.flags & re.UNICODE:
            flags += "u"
        if obj.flags & re.VERBOSE:
            flags += "x"
        if isinstance(obj.pattern, unicode):
            pattern = obj.pattern
        else:
            pattern = obj.pattern.decode('utf-8')
        return SON([("$regex", pattern), ("$options", flags)])
    if isinstance(obj, MinKey):
        return {"$minKey": 1}
    if isinstance(obj, MaxKey):
        return {"$maxKey": 1}
    if isinstance(obj, Timestamp):
        return SON([("t", obj.time), ("i", obj.inc)])
    if isinstance(obj, Code):
        return SON([('$code', str(obj)), ('$scope', obj.scope)])
    if isinstance(obj, Binary):
        return SON([
            ('$binary', base64.b64encode(obj).decode()),
            ('$type', "%02x" % obj.subtype)])
    if PY3 and isinstance(obj, binary_type):
        return SON([
            ('$binary', base64.b64encode(obj).decode()),
            ('$type', "00")])
    if bson.has_uuid() and isinstance(obj, bson.uuid.UUID):
        return {"$uuid": obj.hex}
    raise TypeError("%r is not JSON serializable" % obj)