本文整理汇总了Python中bson.binary方法的典型用法代码示例。如果您正苦于以下问题:Python bson.binary方法的具体用法?Python bson.binary怎么用?Python bson.binary使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类bson
的用法示例。
在下文中一共展示了bson.binary方法的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: dumps
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def dumps(obj, *args, **kwargs):
"""Helper function that wraps :func:`json.dumps`.
Recursive function that handles all BSON types including
:class:`~bson.binary.Binary` and :class:`~bson.code.Code`.
:Parameters:
- `json_options`: A :class:`JSONOptions` instance used to modify the
encoding of MongoDB Extended JSON types. Defaults to
:const:`DEFAULT_JSON_OPTIONS`.
.. versionchanged:: 3.4
Accepts optional parameter `json_options`. See :class:`JSONOptions`.
.. versionchanged:: 2.7
Preserves order when rendering SON, Timestamp, Code, Binary, and DBRef
instances.
"""
json_options = kwargs.pop("json_options", DEFAULT_JSON_OPTIONS)
return json.dumps(_json_convert(obj, json_options), *args, **kwargs)
示例2: test_binary
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def test_binary(self):
bin_type_dict = {"bin": Binary(b"\x00\x01\x02\x03\x04")}
md5_type_dict = {
"md5": Binary(b" n7\x18\xaf\t/\xd1\xd1/\x80\xca\xe7q\xcc\xac",
MD5_SUBTYPE)
}
custom_type_dict = {"custom": Binary(b"hello", USER_DEFINED_SUBTYPE)}
self.round_trip(bin_type_dict)
self.round_trip(md5_type_dict)
self.round_trip(custom_type_dict)
json_bin_dump = bsonjs_dumps(md5_type_dict)
# Order should be $binary then $type.
self.assertEqual(
('{ "md5" : { "$binary" : "IG43GK8JL9HRL4DK53HMrA==", '
'"$type" : "05" } }'),
json_bin_dump)
json_bin_dump = bsonjs_dumps(custom_type_dict)
self.assertTrue('"$type" : "80"' in json_bin_dump)
# Check loading invalid binary
self.assertRaises(ValueError, bsonjs.loads,
'{"a": {"$binary": "invalid", "$type": "80"}}')
示例3: dumps
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def dumps(obj, *args, **kwargs):
"""Helper function that wraps :class:`json.dumps`.
Recursive function that handles all BSON types including
:class:`~bson.binary.Binary` and :class:`~bson.code.Code`.
.. versionchanged:: 2.7
Preserves order when rendering SON, Timestamp, Code, Binary, and DBRef
instances. (But not in Python 2.4.)
"""
if not json_lib:
raise Exception("No json library available")
return json.dumps(_json_convert(obj), *args, **kwargs)
示例4: _parse_legacy_binary
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def _parse_legacy_binary(doc, json_options):
if isinstance(doc["$type"], int):
doc["$type"] = "%02x" % doc["$type"]
subtype = int(doc["$type"], 16)
if subtype >= 0xffffff80: # Handle mongoexport values
subtype = int(doc["$type"][6:], 16)
data = base64.b64decode(doc["$binary"].encode())
return _binary_or_uuid(data, subtype, json_options)
示例5: _parse_canonical_binary
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def _parse_canonical_binary(doc, json_options):
binary = doc["$binary"]
b64 = binary["base64"]
subtype = binary["subType"]
if not isinstance(b64, string_type):
raise TypeError('$binary base64 must be a string: %s' % (doc,))
if not isinstance(subtype, string_type) or len(subtype) > 2:
raise TypeError('$binary subType must be a string at most 2 '
'characters: %s' % (doc,))
if len(binary) != 2:
raise TypeError('$binary must include only "base64" and "subType" '
'components: %s' % (doc,))
data = base64.b64decode(b64.encode())
return _binary_or_uuid(data, int(subtype, 16), json_options)
示例6: _encode_binary
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def _encode_binary(data, subtype, json_options):
if json_options.json_mode == JSONMode.LEGACY:
return SON([
('$binary', base64.b64encode(data).decode()),
('$type', "%02x" % subtype)])
return {'$binary': SON([
('base64', base64.b64encode(data).decode()),
('subType', "%02x" % subtype)])}
示例7: default
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def default(obj):
# We preserve key order when rendering SON, DBRef, etc. as JSON by
# returning a SON for those types instead of a dict. This works with
# the "json" standard library in Python 2.6+ and with simplejson
# 2.1.0+ in Python 2.5+, because those libraries iterate the SON
# using PyIter_Next. Python 2.4 must use simplejson 2.0.9 or older,
# and those versions of simplejson use the lower-level PyDict_Next,
# which bypasses SON's order-preserving iteration, so we lose key
# order in Python 2.4.
if isinstance(obj, ObjectId):
return {"$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 {"$date": millis}
if isinstance(obj, (RE_TYPE, Regex)):
flags = ""
if obj.flags & re.IGNORECASE:
flags += "i"
if obj.flags & re.LOCALE:
flags += "l"
if obj.flags & re.MULTILINE:
flags += "m"
if obj.flags & re.DOTALL:
flags += "s"
if obj.flags & re.UNICODE:
flags += "u"
if obj.flags & re.VERBOSE:
flags += "x"
if isinstance(obj.pattern, str):
pattern = obj.pattern
else:
pattern = obj.pattern.decode('utf-8')
return SON([("$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, binary_type):
return SON([
('$binary', base64.b64encode(obj).decode()),
('$type', "00")])
if bson.has_uuid() and isinstance(obj, bson.uuid.UUID):
return {"$uuid": obj.hex}
raise TypeError("%r is not JSON serializable" % obj)
示例8: object_hook
# 需要导入模块: import bson [as 别名]
# 或者: from bson import binary [as 别名]
def object_hook(dct, json_options=DEFAULT_JSON_OPTIONS):
if "$oid" in dct:
return _parse_canonical_oid(dct)
if "$ref" in dct:
return _parse_canonical_dbref(dct)
if "$date" in dct:
return _parse_canonical_datetime(dct, json_options)
if "$regex" in dct:
return _parse_legacy_regex(dct)
if "$minKey" in dct:
return _parse_canonical_minkey(dct)
if "$maxKey" in dct:
return _parse_canonical_maxkey(dct)
if "$binary" in dct:
if "$type" in dct:
return _parse_legacy_binary(dct, json_options)
else:
return _parse_canonical_binary(dct, json_options)
if "$code" in dct:
return _parse_canonical_code(dct)
if "$uuid" in dct:
return _parse_legacy_uuid(dct)
if "$undefined" in dct:
return None
if "$numberLong" in dct:
return _parse_canonical_int64(dct)
if "$timestamp" in dct:
tsp = dct["$timestamp"]
return Timestamp(tsp["t"], tsp["i"])
if "$numberDecimal" in dct:
return _parse_canonical_decimal128(dct)
if "$dbPointer" in dct:
return _parse_canonical_dbpointer(dct)
if "$regularExpression" in dct:
return _parse_canonical_regex(dct)
if "$symbol" in dct:
return _parse_canonical_symbol(dct)
if "$numberInt" in dct:
return _parse_canonical_int32(dct)
if "$numberDouble" in dct:
return _parse_canonical_double(dct)
return dct