/usr/lib/python3/dist-packages/pymongo/ismaster.py is in python3-pymongo 3.4.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | # Copyright 2014-2015 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Parse a response to the 'ismaster' command."""
import itertools
from bson.py3compat import imap
from pymongo import common
from pymongo.server_type import SERVER_TYPE
def _get_server_type(doc):
"""Determine the server type from an ismaster response."""
if not doc.get('ok'):
return SERVER_TYPE.Unknown
if doc.get('isreplicaset'):
return SERVER_TYPE.RSGhost
elif doc.get('setName'):
if doc.get('hidden'):
return SERVER_TYPE.RSOther
elif doc.get('ismaster'):
return SERVER_TYPE.RSPrimary
elif doc.get('secondary'):
return SERVER_TYPE.RSSecondary
elif doc.get('arbiterOnly'):
return SERVER_TYPE.RSArbiter
else:
return SERVER_TYPE.RSOther
elif doc.get('msg') == 'isdbgrid':
return SERVER_TYPE.Mongos
else:
return SERVER_TYPE.Standalone
class IsMaster(object):
__slots__ = ('_doc', '_server_type', '_is_writable', '_is_readable')
def __init__(self, doc):
"""Parse an ismaster response from the server."""
self._server_type = _get_server_type(doc)
self._doc = doc
self._is_writable = self._server_type in (
SERVER_TYPE.RSPrimary,
SERVER_TYPE.Standalone,
SERVER_TYPE.Mongos)
self._is_readable = (
self.server_type == SERVER_TYPE.RSSecondary
or self._is_writable)
@property
def document(self):
"""The complete ismaster command response document.
.. versionadded:: 3.4
"""
return self._doc.copy()
@property
def server_type(self):
return self._server_type
@property
def all_hosts(self):
"""List of hosts, passives, and arbiters known to this server."""
return set(imap(common.clean_node, itertools.chain(
self._doc.get('hosts', []),
self._doc.get('passives', []),
self._doc.get('arbiters', []))))
@property
def tags(self):
"""Replica set member tags or empty dict."""
return self._doc.get('tags', {})
@property
def primary(self):
"""This server's opinion about who the primary is, or None."""
if self._doc.get('primary'):
return common.partition_node(self._doc['primary'])
else:
return None
@property
def replica_set_name(self):
"""Replica set name or None."""
return self._doc.get('setName')
@property
def max_bson_size(self):
return self._doc.get('maxBsonObjectSize', common.MAX_BSON_SIZE)
@property
def max_message_size(self):
return self._doc.get('maxMessageSizeBytes', 2 * self.max_bson_size)
@property
def max_write_batch_size(self):
return self._doc.get('maxWriteBatchSize', common.MAX_WRITE_BATCH_SIZE)
@property
def min_wire_version(self):
return self._doc.get('minWireVersion', common.MIN_WIRE_VERSION)
@property
def max_wire_version(self):
return self._doc.get('maxWireVersion', common.MAX_WIRE_VERSION)
@property
def set_version(self):
return self._doc.get('setVersion')
@property
def election_id(self):
return self._doc.get('electionId')
@property
def is_writable(self):
return self._is_writable
@property
def is_readable(self):
return self._is_readable
@property
def me(self):
me = self._doc.get('me')
if me:
return common.clean_node(me)
@property
def last_write_date(self):
return self._doc.get('lastWrite', {}).get('lastWriteDate')
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