import random import struct import asyncio_mongo._bson as bson from asyncio_mongo._bson.binary import OLD_UUID_SUBTYPE from asyncio_mongo._bson.py3compat import b from asyncio_mongo._bson.son import SON try: from asyncio_mongo._pymongo import _cmessage _use_c = True except ImportError: _use_c = False from asyncio_mongo._pymongo.errors import InvalidDocument, InvalidOperation, OperationFailure __ZERO = b("\x00\x00\x00\x00") EMPTY = b("") MAX_INT32 = 2147483647 MIN_INT32 = -2147483648 def __last_error(namespace, args): """Data to send to do a lastError. """ cmd = SON([("getlasterror", 1)]) cmd.update(args) splitns = namespace.split('.', 1) return query(0, splitns[0] + '.$cmd', 0, -1, cmd)
_use_uuid = False PY3 = sys.version_info[0] == 3 MAX_INT32 = 2147483647 MIN_INT32 = -2147483648 MAX_INT64 = 9223372036854775807 MIN_INT64 = -9223372036854775808 EPOCH_AWARE = datetime.datetime.fromtimestamp(0, utc) EPOCH_NAIVE = datetime.datetime.utcfromtimestamp(0) # Create constants compatible with all versions of # python from 2.4 forward. In 2.x b("foo") is just # "foo". In 3.x it becomes b"foo". EMPTY = b("") ZERO = b("\x00") ONE = b("\x01") BSONNUM = b("\x01") # Floating point BSONSTR = b("\x02") # UTF-8 string BSONOBJ = b("\x03") # Embedded document BSONARR = b("\x04") # Array BSONBIN = b("\x05") # Binary BSONUND = b("\x06") # Undefined BSONOID = b("\x07") # ObjectId BSONBOO = b("\x08") # Boolean BSONDAT = b("\x09") # UTC Datetime BSONNUL = b("\x0A") # Null BSONRGX = b("\x0B") # Regex BSONREF = b("\x0C") # DBRef
def _element_to_bson(key, value, check_keys, uuid_subtype): if not isinstance(key, str): raise InvalidDocument("documents must have only string keys, " "key was %r" % key) if check_keys: if key.startswith("$"): raise InvalidDocument("key %r must not start with '$'" % key) if "." in key: raise InvalidDocument("key %r must not contain '.'" % key) name = _make_c_string(key, True) if isinstance(value, float): return BSONNUM + name + struct.pack("<d", value) if _use_uuid: if isinstance(value, uuid.UUID): # Java Legacy if uuid_subtype == JAVA_LEGACY: # Python 3.0(.1) returns a bytearray instance for bytes (3.1 # and newer just return a bytes instance). Convert that to # binary_type (here and below) for compatibility. from_uuid = binary_type(value.bytes) as_legacy_java = from_uuid[0:8][::-1] + from_uuid[8:16][::-1] value = Binary(as_legacy_java, subtype=OLD_UUID_SUBTYPE) # C# legacy elif uuid_subtype == CSHARP_LEGACY: # Microsoft GUID representation. value = Binary(binary_type(value.bytes_le), subtype=OLD_UUID_SUBTYPE) # Python else: value = Binary(binary_type(value.bytes), subtype=uuid_subtype) if isinstance(value, Binary): subtype = value.subtype if subtype == 2: value = struct.pack("<i", len(value)) + value return (BSONBIN + name + struct.pack("<i", len(value)) + b(chr(subtype)) + value) if isinstance(value, Code): cstring = _make_c_string(value) if not value.scope: length = struct.pack("<i", len(cstring)) return BSONCOD + name + length + cstring scope = _dict_to_bson(value.scope, False, uuid_subtype, False) full_length = struct.pack("<i", 8 + len(cstring) + len(scope)) length = struct.pack("<i", len(cstring)) return BSONCWS + name + full_length + length + cstring + scope if isinstance(value, binary_type): if PY3: # Python3 special case. Store 'bytes' as BSON binary subtype 0. return (BSONBIN + name + struct.pack("<i", len(value)) + ZERO + value) cstring = _make_c_string(value) length = struct.pack("<i", len(cstring)) return BSONSTR + name + length + cstring if isinstance(value, str): cstring = _make_c_string(value) length = struct.pack("<i", len(cstring)) return BSONSTR + name + length + cstring if isinstance(value, dict): return BSONOBJ + name + _dict_to_bson(value, check_keys, uuid_subtype, False) if isinstance(value, (list, tuple)): as_dict = SON(list(zip([str(i) for i in range(len(value))], value))) return BSONARR + name + _dict_to_bson(as_dict, check_keys, uuid_subtype, False) if isinstance(value, ObjectId): return BSONOID + name + value.binary if value is True: return BSONBOO + name + ONE if value is False: return BSONBOO + name + ZERO if isinstance(value, int): # TODO this is an ugly way to check for this... if value > MAX_INT64 or value < MIN_INT64: raise OverflowError("BSON can only handle up to 8-byte ints") if value > MAX_INT32 or value < MIN_INT32: return BSONLON + name + struct.pack("<q", value) return BSONINT + name + struct.pack("<i", value) # 2to3 will convert long to int here since there is no long in python3. # That's OK. The previous if block will match instead. if isinstance(value, int): if value > MAX_INT64 or value < MIN_INT64: raise OverflowError("BSON can only handle up to 8-byte ints") return BSONLON + name + struct.pack("<q", value) if isinstance(value, datetime.datetime): if value.utcoffset() is not None: value = value - value.utcoffset() millis = int( calendar.timegm(value.timetuple()) * 1000 + value.microsecond / 1000) return BSONDAT + name + struct.pack("<q", millis) if isinstance(value, Timestamp): time = struct.pack("<I", value.time) inc = struct.pack("<I", value.inc) return BSONTIM + name + inc + time if value is None: return BSONNUL + name if isinstance(value, RE_TYPE): pattern = value.pattern flags = "" if value.flags & re.IGNORECASE: flags += "i" if value.flags & re.LOCALE: flags += "l" if value.flags & re.MULTILINE: flags += "m" if value.flags & re.DOTALL: flags += "s" if value.flags & re.UNICODE: flags += "u" if value.flags & re.VERBOSE: flags += "x" return BSONRGX + name + _make_c_string(pattern, True) + \ _make_c_string(flags) if isinstance(value, DBRef): return _element_to_bson(key, value.as_doc(), False, uuid_subtype) if isinstance(value, MinKey): return BSONMIN + name if isinstance(value, MaxKey): return BSONMAX + name raise InvalidDocument("cannot convert value of type %s to bson" % type(value))
except ImportError: # for Python < 2.5 import md5 _md5func = md5.new import os import random import socket import struct import threading import time from asyncio_mongo._bson.errors import InvalidId from asyncio_mongo._bson.py3compat import (PY3, b, binary_type, text_type, bytes_from_hex, string_types) from asyncio_mongo._bson.tz_util import utc EMPTY = b("") ZERO = b("\x00") def _machine_bytes(): """Get the machine portion of an ObjectId. """ machine_hash = _md5func() if PY3: # gethostname() returns a unicode string in python 3.x # while update() requires a byte string. machine_hash.update(socket.gethostname().encode()) else: # Calling encode() here will fail with non-ascii hostnames machine_hash.update(socket.gethostname()) return machine_hash.digest()[0:3]
def _element_to_bson(key, value, check_keys, uuid_subtype): if not isinstance(key, str): raise InvalidDocument("documents must have only string keys, " "key was %r" % key) if check_keys: if key.startswith("$"): raise InvalidDocument("key %r must not start with '$'" % key) if "." in key: raise InvalidDocument("key %r must not contain '.'" % key) name = _make_c_string(key, True) if isinstance(value, float): return BSONNUM + name + struct.pack("<d", value) if _use_uuid: if isinstance(value, uuid.UUID): # Java Legacy if uuid_subtype == JAVA_LEGACY: # Python 3.0(.1) returns a bytearray instance for bytes (3.1 # and newer just return a bytes instance). Convert that to # binary_type (here and below) for compatibility. from_uuid = binary_type(value.bytes) as_legacy_java = from_uuid[0:8][::-1] + from_uuid[8:16][::-1] value = Binary(as_legacy_java, subtype=OLD_UUID_SUBTYPE) # C# legacy elif uuid_subtype == CSHARP_LEGACY: # Microsoft GUID representation. value = Binary(binary_type(value.bytes_le), subtype=OLD_UUID_SUBTYPE) # Python else: value = Binary(binary_type(value.bytes), subtype=uuid_subtype) if isinstance(value, Binary): subtype = value.subtype if subtype == 2: value = struct.pack("<i", len(value)) + value return (BSONBIN + name + struct.pack("<i", len(value)) + b(chr(subtype)) + value) if isinstance(value, Code): cstring = _make_c_string(value) if not value.scope: length = struct.pack("<i", len(cstring)) return BSONCOD + name + length + cstring scope = _dict_to_bson(value.scope, False, uuid_subtype, False) full_length = struct.pack("<i", 8 + len(cstring) + len(scope)) length = struct.pack("<i", len(cstring)) return BSONCWS + name + full_length + length + cstring + scope if isinstance(value, binary_type): if PY3: # Python3 special case. Store 'bytes' as BSON binary subtype 0. return (BSONBIN + name + struct.pack("<i", len(value)) + ZERO + value) cstring = _make_c_string(value) length = struct.pack("<i", len(cstring)) return BSONSTR + name + length + cstring if isinstance(value, str): cstring = _make_c_string(value) length = struct.pack("<i", len(cstring)) return BSONSTR + name + length + cstring if isinstance(value, dict): return BSONOBJ + name + _dict_to_bson(value, check_keys, uuid_subtype, False) if isinstance(value, (list, tuple)): as_dict = SON(list(zip([str(i) for i in range(len(value))], value))) return BSONARR + name + _dict_to_bson(as_dict, check_keys, uuid_subtype, False) if isinstance(value, ObjectId): return BSONOID + name + value.binary if value is True: return BSONBOO + name + ONE if value is False: return BSONBOO + name + ZERO if isinstance(value, int): # TODO this is an ugly way to check for this... if value > MAX_INT64 or value < MIN_INT64: raise OverflowError("BSON can only handle up to 8-byte ints") if value > MAX_INT32 or value < MIN_INT32: return BSONLON + name + struct.pack("<q", value) return BSONINT + name + struct.pack("<i", value) # 2to3 will convert long to int here since there is no long in python3. # That's OK. The previous if block will match instead. if isinstance(value, int): if value > MAX_INT64 or value < MIN_INT64: raise OverflowError("BSON can only handle up to 8-byte ints") return BSONLON + name + struct.pack("<q", value) if isinstance(value, datetime.datetime): if value.utcoffset() is not None: value = value - value.utcoffset() millis = int(calendar.timegm(value.timetuple()) * 1000 + value.microsecond / 1000) return BSONDAT + name + struct.pack("<q", millis) if isinstance(value, Timestamp): time = struct.pack("<I", value.time) inc = struct.pack("<I", value.inc) return BSONTIM + name + inc + time if value is None: return BSONNUL + name if isinstance(value, RE_TYPE): pattern = value.pattern flags = "" if value.flags & re.IGNORECASE: flags += "i" if value.flags & re.LOCALE: flags += "l" if value.flags & re.MULTILINE: flags += "m" if value.flags & re.DOTALL: flags += "s" if value.flags & re.UNICODE: flags += "u" if value.flags & re.VERBOSE: flags += "x" return BSONRGX + name + _make_c_string(pattern, True) + \ _make_c_string(flags) if isinstance(value, DBRef): return _element_to_bson(key, value.as_doc(), False, uuid_subtype) if isinstance(value, MinKey): return BSONMIN + name if isinstance(value, MaxKey): return BSONMAX + name raise InvalidDocument("cannot convert value of type %s to bson" % type(value))
PY3 = sys.version_info[0] == 3 MAX_INT32 = 2147483647 MIN_INT32 = -2147483648 MAX_INT64 = 9223372036854775807 MIN_INT64 = -9223372036854775808 EPOCH_AWARE = datetime.datetime.fromtimestamp(0, utc) EPOCH_NAIVE = datetime.datetime.utcfromtimestamp(0) # Create constants compatible with all versions of # python from 2.4 forward. In 2.x b("foo") is just # "foo". In 3.x it becomes b"foo". EMPTY = b("") ZERO = b("\x00") ONE = b("\x01") BSONNUM = b("\x01") # Floating point BSONSTR = b("\x02") # UTF-8 string BSONOBJ = b("\x03") # Embedded document BSONARR = b("\x04") # Array BSONBIN = b("\x05") # Binary BSONUND = b("\x06") # Undefined BSONOID = b("\x07") # ObjectId BSONBOO = b("\x08") # Boolean BSONDAT = b("\x09") # UTC Datetime BSONNUL = b("\x0A") # Null BSONRGX = b("\x0B") # Regex BSONREF = b("\x0C") # DBRef