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.gitattributes
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# Copyright DataStax, Inc.
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#
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| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
import os
|
| 16 |
+
import logging
|
| 17 |
+
import json
|
| 18 |
+
import sys
|
| 19 |
+
import tempfile
|
| 20 |
+
import shutil
|
| 21 |
+
from urllib.request import urlopen
|
| 22 |
+
|
| 23 |
+
_HAS_SSL = True
|
| 24 |
+
try:
|
| 25 |
+
from ssl import SSLContext, PROTOCOL_TLS, CERT_REQUIRED
|
| 26 |
+
except:
|
| 27 |
+
_HAS_SSL = False
|
| 28 |
+
|
| 29 |
+
from zipfile import ZipFile
|
| 30 |
+
|
| 31 |
+
# 2.7 vs 3.x
|
| 32 |
+
try:
|
| 33 |
+
from zipfile import BadZipFile
|
| 34 |
+
except:
|
| 35 |
+
from zipfile import BadZipfile as BadZipFile
|
| 36 |
+
|
| 37 |
+
from cassandra import DriverException
|
| 38 |
+
|
| 39 |
+
log = logging.getLogger(__name__)
|
| 40 |
+
|
| 41 |
+
__all__ = ['get_cloud_config']
|
| 42 |
+
|
| 43 |
+
DATASTAX_CLOUD_PRODUCT_TYPE = "DATASTAX_APOLLO"
|
| 44 |
+
|
| 45 |
+
|
| 46 |
+
class CloudConfig(object):
|
| 47 |
+
|
| 48 |
+
username = None
|
| 49 |
+
password = None
|
| 50 |
+
host = None
|
| 51 |
+
port = None
|
| 52 |
+
keyspace = None
|
| 53 |
+
local_dc = None
|
| 54 |
+
ssl_context = None
|
| 55 |
+
|
| 56 |
+
sni_host = None
|
| 57 |
+
sni_port = None
|
| 58 |
+
host_ids = None
|
| 59 |
+
|
| 60 |
+
@classmethod
|
| 61 |
+
def from_dict(cls, d):
|
| 62 |
+
c = cls()
|
| 63 |
+
|
| 64 |
+
c.port = d.get('port', None)
|
| 65 |
+
try:
|
| 66 |
+
c.port = int(d['port'])
|
| 67 |
+
except:
|
| 68 |
+
pass
|
| 69 |
+
|
| 70 |
+
c.username = d.get('username', None)
|
| 71 |
+
c.password = d.get('password', None)
|
| 72 |
+
c.host = d.get('host', None)
|
| 73 |
+
c.keyspace = d.get('keyspace', None)
|
| 74 |
+
c.local_dc = d.get('localDC', None)
|
| 75 |
+
|
| 76 |
+
return c
|
| 77 |
+
|
| 78 |
+
|
| 79 |
+
def get_cloud_config(cloud_config, create_pyopenssl_context=False):
|
| 80 |
+
if not _HAS_SSL:
|
| 81 |
+
raise DriverException("A Python installation with SSL is required to connect to a cloud cluster.")
|
| 82 |
+
|
| 83 |
+
if 'secure_connect_bundle' not in cloud_config:
|
| 84 |
+
raise ValueError("The cloud config doesn't have a secure_connect_bundle specified.")
|
| 85 |
+
|
| 86 |
+
try:
|
| 87 |
+
config = read_cloud_config_from_zip(cloud_config, create_pyopenssl_context)
|
| 88 |
+
except BadZipFile:
|
| 89 |
+
raise ValueError("Unable to open the zip file for the cloud config. Check your secure connect bundle.")
|
| 90 |
+
|
| 91 |
+
config = read_metadata_info(config, cloud_config)
|
| 92 |
+
if create_pyopenssl_context:
|
| 93 |
+
config.ssl_context = config.pyopenssl_context
|
| 94 |
+
return config
|
| 95 |
+
|
| 96 |
+
|
| 97 |
+
def read_cloud_config_from_zip(cloud_config, create_pyopenssl_context):
|
| 98 |
+
secure_bundle = cloud_config['secure_connect_bundle']
|
| 99 |
+
use_default_tempdir = cloud_config.get('use_default_tempdir', None)
|
| 100 |
+
with ZipFile(secure_bundle) as zipfile:
|
| 101 |
+
base_dir = tempfile.gettempdir() if use_default_tempdir else os.path.dirname(secure_bundle)
|
| 102 |
+
tmp_dir = tempfile.mkdtemp(dir=base_dir)
|
| 103 |
+
try:
|
| 104 |
+
zipfile.extractall(path=tmp_dir)
|
| 105 |
+
return parse_cloud_config(os.path.join(tmp_dir, 'config.json'), cloud_config, create_pyopenssl_context)
|
| 106 |
+
finally:
|
| 107 |
+
shutil.rmtree(tmp_dir)
|
| 108 |
+
|
| 109 |
+
|
| 110 |
+
def parse_cloud_config(path, cloud_config, create_pyopenssl_context):
|
| 111 |
+
with open(path, 'r') as stream:
|
| 112 |
+
data = json.load(stream)
|
| 113 |
+
|
| 114 |
+
config = CloudConfig.from_dict(data)
|
| 115 |
+
config_dir = os.path.dirname(path)
|
| 116 |
+
|
| 117 |
+
if 'ssl_context' in cloud_config:
|
| 118 |
+
config.ssl_context = cloud_config['ssl_context']
|
| 119 |
+
else:
|
| 120 |
+
# Load the ssl_context before we delete the temporary directory
|
| 121 |
+
ca_cert_location = os.path.join(config_dir, 'ca.crt')
|
| 122 |
+
cert_location = os.path.join(config_dir, 'cert')
|
| 123 |
+
key_location = os.path.join(config_dir, 'key')
|
| 124 |
+
# Regardless of if we create a pyopenssl context, we still need the builtin one
|
| 125 |
+
# to connect to the metadata service
|
| 126 |
+
config.ssl_context = _ssl_context_from_cert(ca_cert_location, cert_location, key_location)
|
| 127 |
+
if create_pyopenssl_context:
|
| 128 |
+
config.pyopenssl_context = _pyopenssl_context_from_cert(ca_cert_location, cert_location, key_location)
|
| 129 |
+
|
| 130 |
+
return config
|
| 131 |
+
|
| 132 |
+
|
| 133 |
+
def read_metadata_info(config, cloud_config):
|
| 134 |
+
url = "https://{}:{}/metadata".format(config.host, config.port)
|
| 135 |
+
timeout = cloud_config['connect_timeout'] if 'connect_timeout' in cloud_config else 5
|
| 136 |
+
try:
|
| 137 |
+
response = urlopen(url, context=config.ssl_context, timeout=timeout)
|
| 138 |
+
except Exception as e:
|
| 139 |
+
log.exception(e)
|
| 140 |
+
raise DriverException("Unable to connect to the metadata service at %s. "
|
| 141 |
+
"Check the cluster status in the cloud console. " % url)
|
| 142 |
+
|
| 143 |
+
if response.code != 200:
|
| 144 |
+
raise DriverException(("Error while fetching the metadata at: %s. "
|
| 145 |
+
"The service returned error code %d." % (url, response.code)))
|
| 146 |
+
return parse_metadata_info(config, response.read().decode('utf-8'))
|
| 147 |
+
|
| 148 |
+
|
| 149 |
+
def parse_metadata_info(config, http_data):
|
| 150 |
+
try:
|
| 151 |
+
data = json.loads(http_data)
|
| 152 |
+
except:
|
| 153 |
+
msg = "Failed to load cluster metadata"
|
| 154 |
+
raise DriverException(msg)
|
| 155 |
+
|
| 156 |
+
contact_info = data['contact_info']
|
| 157 |
+
config.local_dc = contact_info['local_dc']
|
| 158 |
+
|
| 159 |
+
proxy_info = contact_info['sni_proxy_address'].split(':')
|
| 160 |
+
config.sni_host = proxy_info[0]
|
| 161 |
+
try:
|
| 162 |
+
config.sni_port = int(proxy_info[1])
|
| 163 |
+
except:
|
| 164 |
+
config.sni_port = 9042
|
| 165 |
+
|
| 166 |
+
config.host_ids = [host_id for host_id in contact_info['contact_points']]
|
| 167 |
+
|
| 168 |
+
return config
|
| 169 |
+
|
| 170 |
+
|
| 171 |
+
def _ssl_context_from_cert(ca_cert_location, cert_location, key_location):
|
| 172 |
+
ssl_context = SSLContext(PROTOCOL_TLS)
|
| 173 |
+
ssl_context.load_verify_locations(ca_cert_location)
|
| 174 |
+
ssl_context.verify_mode = CERT_REQUIRED
|
| 175 |
+
ssl_context.load_cert_chain(certfile=cert_location, keyfile=key_location)
|
| 176 |
+
|
| 177 |
+
return ssl_context
|
| 178 |
+
|
| 179 |
+
|
| 180 |
+
def _pyopenssl_context_from_cert(ca_cert_location, cert_location, key_location):
|
| 181 |
+
try:
|
| 182 |
+
from OpenSSL import SSL
|
| 183 |
+
except ImportError as e:
|
| 184 |
+
raise ImportError(
|
| 185 |
+
"PyOpenSSL must be installed to connect to Astra with the Eventlet or Twisted event loops")\
|
| 186 |
+
.with_traceback(e.__traceback__)
|
| 187 |
+
ssl_context = SSL.Context(SSL.TLSv1_METHOD)
|
| 188 |
+
ssl_context.set_verify(SSL.VERIFY_PEER, callback=lambda _1, _2, _3, _4, ok: ok)
|
| 189 |
+
ssl_context.use_certificate_file(cert_location)
|
| 190 |
+
ssl_context.use_privatekey_file(key_location)
|
| 191 |
+
ssl_context.load_verify_locations(ca_cert_location)
|
| 192 |
+
|
| 193 |
+
return ssl_context
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/cloud/__pycache__/__init__.cpython-312.pyc
ADDED
|
Binary file (8.31 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/__init__.py
ADDED
|
@@ -0,0 +1,23 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
|
| 16 |
+
from cassandra.datastax.graph.types import Element, Vertex, VertexProperty, Edge, Path, T
|
| 17 |
+
from cassandra.datastax.graph.query import (
|
| 18 |
+
GraphOptions, GraphProtocol, GraphStatement, SimpleGraphStatement, Result,
|
| 19 |
+
graph_object_row_factory, single_object_row_factory,
|
| 20 |
+
graph_result_row_factory, graph_graphson2_row_factory,
|
| 21 |
+
graph_graphson3_row_factory
|
| 22 |
+
)
|
| 23 |
+
from cassandra.datastax.graph.graphson import *
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/__pycache__/__init__.cpython-312.pyc
ADDED
|
Binary file (772 Bytes). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/__pycache__/graphson.cpython-312.pyc
ADDED
|
Binary file (50.8 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/__pycache__/query.cpython-312.pyc
ADDED
|
Binary file (16.9 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/__pycache__/types.cpython-312.pyc
ADDED
|
Binary file (9.56 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__init__.py
ADDED
|
@@ -0,0 +1,303 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
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|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
import logging
|
| 16 |
+
import copy
|
| 17 |
+
|
| 18 |
+
from concurrent.futures import Future
|
| 19 |
+
|
| 20 |
+
HAVE_GREMLIN = False
|
| 21 |
+
try:
|
| 22 |
+
import gremlin_python
|
| 23 |
+
HAVE_GREMLIN = True
|
| 24 |
+
except ImportError:
|
| 25 |
+
# gremlinpython is not installed.
|
| 26 |
+
pass
|
| 27 |
+
|
| 28 |
+
if HAVE_GREMLIN:
|
| 29 |
+
from gremlin_python.structure.graph import Graph
|
| 30 |
+
from gremlin_python.driver.remote_connection import RemoteConnection, RemoteTraversal
|
| 31 |
+
from gremlin_python.process.traversal import Traverser, TraversalSideEffects
|
| 32 |
+
from gremlin_python.process.graph_traversal import GraphTraversal
|
| 33 |
+
|
| 34 |
+
from cassandra.cluster import Session, GraphExecutionProfile, EXEC_PROFILE_GRAPH_DEFAULT
|
| 35 |
+
from cassandra.datastax.graph import GraphOptions, GraphProtocol
|
| 36 |
+
from cassandra.datastax.graph.query import _GraphSONContextRowFactory
|
| 37 |
+
|
| 38 |
+
from cassandra.datastax.graph.fluent.serializers import (
|
| 39 |
+
GremlinGraphSONReaderV2,
|
| 40 |
+
GremlinGraphSONReaderV3,
|
| 41 |
+
dse_graphson2_deserializers,
|
| 42 |
+
gremlin_graphson2_deserializers,
|
| 43 |
+
dse_graphson3_deserializers,
|
| 44 |
+
gremlin_graphson3_deserializers
|
| 45 |
+
)
|
| 46 |
+
from cassandra.datastax.graph.fluent.query import _DefaultTraversalBatch, _query_from_traversal
|
| 47 |
+
|
| 48 |
+
log = logging.getLogger(__name__)
|
| 49 |
+
|
| 50 |
+
__all__ = ['BaseGraphRowFactory', 'graph_traversal_row_factory',
|
| 51 |
+
'graph_traversal_dse_object_row_factory', 'DSESessionRemoteGraphConnection', 'DseGraph']
|
| 52 |
+
|
| 53 |
+
# Traversal result keys
|
| 54 |
+
_bulk_key = 'bulk'
|
| 55 |
+
_result_key = 'result'
|
| 56 |
+
|
| 57 |
+
|
| 58 |
+
class BaseGraphRowFactory(_GraphSONContextRowFactory):
|
| 59 |
+
"""
|
| 60 |
+
Base row factory for graph traversal. This class basically wraps a
|
| 61 |
+
graphson reader function to handle additional features of Gremlin/DSE
|
| 62 |
+
and is callable as a normal row factory.
|
| 63 |
+
|
| 64 |
+
Currently supported:
|
| 65 |
+
- bulk results
|
| 66 |
+
"""
|
| 67 |
+
|
| 68 |
+
def __call__(self, column_names, rows):
|
| 69 |
+
for row in rows:
|
| 70 |
+
parsed_row = self.graphson_reader.readObject(row[0])
|
| 71 |
+
yield parsed_row[_result_key]
|
| 72 |
+
bulk = parsed_row.get(_bulk_key, 1)
|
| 73 |
+
for _ in range(bulk - 1):
|
| 74 |
+
yield copy.deepcopy(parsed_row[_result_key])
|
| 75 |
+
|
| 76 |
+
|
| 77 |
+
class _GremlinGraphSON2RowFactory(BaseGraphRowFactory):
|
| 78 |
+
"""Row Factory that returns the decoded graphson2."""
|
| 79 |
+
graphson_reader_class = GremlinGraphSONReaderV2
|
| 80 |
+
graphson_reader_kwargs = {'deserializer_map': gremlin_graphson2_deserializers}
|
| 81 |
+
|
| 82 |
+
|
| 83 |
+
class _DseGraphSON2RowFactory(BaseGraphRowFactory):
|
| 84 |
+
"""Row Factory that returns the decoded graphson2 as DSE types."""
|
| 85 |
+
graphson_reader_class = GremlinGraphSONReaderV2
|
| 86 |
+
graphson_reader_kwargs = {'deserializer_map': dse_graphson2_deserializers}
|
| 87 |
+
|
| 88 |
+
gremlin_graphson2_traversal_row_factory = _GremlinGraphSON2RowFactory
|
| 89 |
+
# TODO remove in next major
|
| 90 |
+
graph_traversal_row_factory = gremlin_graphson2_traversal_row_factory
|
| 91 |
+
|
| 92 |
+
dse_graphson2_traversal_row_factory = _DseGraphSON2RowFactory
|
| 93 |
+
# TODO remove in next major
|
| 94 |
+
graph_traversal_dse_object_row_factory = dse_graphson2_traversal_row_factory
|
| 95 |
+
|
| 96 |
+
|
| 97 |
+
class _GremlinGraphSON3RowFactory(BaseGraphRowFactory):
|
| 98 |
+
"""Row Factory that returns the decoded graphson2."""
|
| 99 |
+
graphson_reader_class = GremlinGraphSONReaderV3
|
| 100 |
+
graphson_reader_kwargs = {'deserializer_map': gremlin_graphson3_deserializers}
|
| 101 |
+
|
| 102 |
+
|
| 103 |
+
class _DseGraphSON3RowFactory(BaseGraphRowFactory):
|
| 104 |
+
"""Row Factory that returns the decoded graphson3 as DSE types."""
|
| 105 |
+
graphson_reader_class = GremlinGraphSONReaderV3
|
| 106 |
+
graphson_reader_kwargs = {'deserializer_map': dse_graphson3_deserializers}
|
| 107 |
+
|
| 108 |
+
|
| 109 |
+
gremlin_graphson3_traversal_row_factory = _GremlinGraphSON3RowFactory
|
| 110 |
+
dse_graphson3_traversal_row_factory = _DseGraphSON3RowFactory
|
| 111 |
+
|
| 112 |
+
|
| 113 |
+
class DSESessionRemoteGraphConnection(RemoteConnection):
|
| 114 |
+
"""
|
| 115 |
+
A Tinkerpop RemoteConnection to execute traversal queries on DSE.
|
| 116 |
+
|
| 117 |
+
:param session: A DSE session
|
| 118 |
+
:param graph_name: (Optional) DSE Graph name.
|
| 119 |
+
:param execution_profile: (Optional) Execution profile for traversal queries. Default is set to `EXEC_PROFILE_GRAPH_DEFAULT`.
|
| 120 |
+
"""
|
| 121 |
+
|
| 122 |
+
session = None
|
| 123 |
+
graph_name = None
|
| 124 |
+
execution_profile = None
|
| 125 |
+
|
| 126 |
+
def __init__(self, session, graph_name=None, execution_profile=EXEC_PROFILE_GRAPH_DEFAULT):
|
| 127 |
+
super(DSESessionRemoteGraphConnection, self).__init__(None, None)
|
| 128 |
+
|
| 129 |
+
if not isinstance(session, Session):
|
| 130 |
+
raise ValueError('A DSE Session must be provided to execute graph traversal queries.')
|
| 131 |
+
|
| 132 |
+
self.session = session
|
| 133 |
+
self.graph_name = graph_name
|
| 134 |
+
self.execution_profile = execution_profile
|
| 135 |
+
|
| 136 |
+
@staticmethod
|
| 137 |
+
def _traversers_generator(traversers):
|
| 138 |
+
for t in traversers:
|
| 139 |
+
yield Traverser(t)
|
| 140 |
+
|
| 141 |
+
def _prepare_query(self, bytecode):
|
| 142 |
+
ep = self.session.execution_profile_clone_update(self.execution_profile)
|
| 143 |
+
graph_options = ep.graph_options
|
| 144 |
+
graph_options.graph_name = self.graph_name or graph_options.graph_name
|
| 145 |
+
graph_options.graph_language = DseGraph.DSE_GRAPH_QUERY_LANGUAGE
|
| 146 |
+
# We resolve the execution profile options here , to know how what gremlin factory to set
|
| 147 |
+
self.session._resolve_execution_profile_options(ep)
|
| 148 |
+
|
| 149 |
+
context = None
|
| 150 |
+
if graph_options.graph_protocol == GraphProtocol.GRAPHSON_2_0:
|
| 151 |
+
row_factory = gremlin_graphson2_traversal_row_factory
|
| 152 |
+
elif graph_options.graph_protocol == GraphProtocol.GRAPHSON_3_0:
|
| 153 |
+
row_factory = gremlin_graphson3_traversal_row_factory
|
| 154 |
+
context = {
|
| 155 |
+
'cluster': self.session.cluster,
|
| 156 |
+
'graph_name': graph_options.graph_name.decode('utf-8')
|
| 157 |
+
}
|
| 158 |
+
else:
|
| 159 |
+
raise ValueError('Unknown graph protocol: {}'.format(graph_options.graph_protocol))
|
| 160 |
+
|
| 161 |
+
ep.row_factory = row_factory
|
| 162 |
+
query = DseGraph.query_from_traversal(bytecode, graph_options.graph_protocol, context)
|
| 163 |
+
|
| 164 |
+
return query, ep
|
| 165 |
+
|
| 166 |
+
@staticmethod
|
| 167 |
+
def _handle_query_results(result_set, gremlin_future):
|
| 168 |
+
try:
|
| 169 |
+
gremlin_future.set_result(
|
| 170 |
+
RemoteTraversal(DSESessionRemoteGraphConnection._traversers_generator(result_set), TraversalSideEffects())
|
| 171 |
+
)
|
| 172 |
+
except Exception as e:
|
| 173 |
+
gremlin_future.set_exception(e)
|
| 174 |
+
|
| 175 |
+
@staticmethod
|
| 176 |
+
def _handle_query_error(response, gremlin_future):
|
| 177 |
+
gremlin_future.set_exception(response)
|
| 178 |
+
|
| 179 |
+
def submit(self, bytecode):
|
| 180 |
+
# the only reason I don't use submitAsync here
|
| 181 |
+
# is to avoid an unuseful future wrap
|
| 182 |
+
query, ep = self._prepare_query(bytecode)
|
| 183 |
+
|
| 184 |
+
traversers = self.session.execute_graph(query, execution_profile=ep)
|
| 185 |
+
return RemoteTraversal(self._traversers_generator(traversers), TraversalSideEffects())
|
| 186 |
+
|
| 187 |
+
def submitAsync(self, bytecode):
|
| 188 |
+
query, ep = self._prepare_query(bytecode)
|
| 189 |
+
|
| 190 |
+
# to be compatible with gremlinpython, we need to return a concurrent.futures.Future
|
| 191 |
+
gremlin_future = Future()
|
| 192 |
+
response_future = self.session.execute_graph_async(query, execution_profile=ep)
|
| 193 |
+
response_future.add_callback(self._handle_query_results, gremlin_future)
|
| 194 |
+
response_future.add_errback(self._handle_query_error, gremlin_future)
|
| 195 |
+
|
| 196 |
+
return gremlin_future
|
| 197 |
+
|
| 198 |
+
def __str__(self):
|
| 199 |
+
return "<DSESessionRemoteGraphConnection: graph_name='{0}'>".format(self.graph_name)
|
| 200 |
+
|
| 201 |
+
__repr__ = __str__
|
| 202 |
+
|
| 203 |
+
|
| 204 |
+
class DseGraph(object):
|
| 205 |
+
"""
|
| 206 |
+
Dse Graph utility class for GraphTraversal construction and execution.
|
| 207 |
+
"""
|
| 208 |
+
|
| 209 |
+
DSE_GRAPH_QUERY_LANGUAGE = 'bytecode-json'
|
| 210 |
+
"""
|
| 211 |
+
Graph query language, Default is 'bytecode-json' (GraphSON).
|
| 212 |
+
"""
|
| 213 |
+
|
| 214 |
+
DSE_GRAPH_QUERY_PROTOCOL = GraphProtocol.GRAPHSON_2_0
|
| 215 |
+
"""
|
| 216 |
+
Graph query language, Default is GraphProtocol.GRAPHSON_2_0.
|
| 217 |
+
"""
|
| 218 |
+
|
| 219 |
+
@staticmethod
|
| 220 |
+
def query_from_traversal(traversal, graph_protocol=DSE_GRAPH_QUERY_PROTOCOL, context=None):
|
| 221 |
+
"""
|
| 222 |
+
From a GraphTraversal, return a query string based on the language specified in `DseGraph.DSE_GRAPH_QUERY_LANGUAGE`.
|
| 223 |
+
|
| 224 |
+
:param traversal: The GraphTraversal object
|
| 225 |
+
:param graph_protocol: The graph protocol. Default is `DseGraph.DSE_GRAPH_QUERY_PROTOCOL`.
|
| 226 |
+
:param context: The dict of the serialization context, needed for GraphSON3 (tuple, udt).
|
| 227 |
+
e.g: {'cluster': cluster, 'graph_name': name}
|
| 228 |
+
"""
|
| 229 |
+
|
| 230 |
+
if isinstance(traversal, GraphTraversal):
|
| 231 |
+
for strategy in traversal.traversal_strategies.traversal_strategies:
|
| 232 |
+
rc = strategy.remote_connection
|
| 233 |
+
if (isinstance(rc, DSESessionRemoteGraphConnection) and
|
| 234 |
+
rc.session or rc.graph_name or rc.execution_profile):
|
| 235 |
+
log.warning("GraphTraversal session, graph_name and execution_profile are "
|
| 236 |
+
"only taken into account when executed with TinkerPop.")
|
| 237 |
+
|
| 238 |
+
return _query_from_traversal(traversal, graph_protocol, context)
|
| 239 |
+
|
| 240 |
+
@staticmethod
|
| 241 |
+
def traversal_source(session=None, graph_name=None, execution_profile=EXEC_PROFILE_GRAPH_DEFAULT,
|
| 242 |
+
traversal_class=None):
|
| 243 |
+
"""
|
| 244 |
+
Returns a TinkerPop GraphTraversalSource binded to the session and graph_name if provided.
|
| 245 |
+
|
| 246 |
+
:param session: (Optional) A DSE session
|
| 247 |
+
:param graph_name: (Optional) DSE Graph name
|
| 248 |
+
:param execution_profile: (Optional) Execution profile for traversal queries. Default is set to `EXEC_PROFILE_GRAPH_DEFAULT`.
|
| 249 |
+
:param traversal_class: (Optional) The GraphTraversalSource class to use (DSL).
|
| 250 |
+
|
| 251 |
+
.. code-block:: python
|
| 252 |
+
|
| 253 |
+
from cassandra.cluster import Cluster
|
| 254 |
+
from cassandra.datastax.graph.fluent import DseGraph
|
| 255 |
+
|
| 256 |
+
c = Cluster()
|
| 257 |
+
session = c.connect()
|
| 258 |
+
|
| 259 |
+
g = DseGraph.traversal_source(session, 'my_graph')
|
| 260 |
+
print(g.V().valueMap().toList())
|
| 261 |
+
|
| 262 |
+
"""
|
| 263 |
+
|
| 264 |
+
graph = Graph()
|
| 265 |
+
traversal_source = graph.traversal(traversal_class)
|
| 266 |
+
|
| 267 |
+
if session:
|
| 268 |
+
traversal_source = traversal_source.withRemote(
|
| 269 |
+
DSESessionRemoteGraphConnection(session, graph_name, execution_profile))
|
| 270 |
+
|
| 271 |
+
return traversal_source
|
| 272 |
+
|
| 273 |
+
@staticmethod
|
| 274 |
+
def create_execution_profile(graph_name, graph_protocol=DSE_GRAPH_QUERY_PROTOCOL, **kwargs):
|
| 275 |
+
"""
|
| 276 |
+
Creates an ExecutionProfile for GraphTraversal execution. You need to register that execution profile to the
|
| 277 |
+
cluster by using `cluster.add_execution_profile`.
|
| 278 |
+
|
| 279 |
+
:param graph_name: The graph name
|
| 280 |
+
:param graph_protocol: (Optional) The graph protocol, default is `DSE_GRAPH_QUERY_PROTOCOL`.
|
| 281 |
+
"""
|
| 282 |
+
|
| 283 |
+
if graph_protocol == GraphProtocol.GRAPHSON_2_0:
|
| 284 |
+
row_factory = dse_graphson2_traversal_row_factory
|
| 285 |
+
elif graph_protocol == GraphProtocol.GRAPHSON_3_0:
|
| 286 |
+
row_factory = dse_graphson3_traversal_row_factory
|
| 287 |
+
else:
|
| 288 |
+
raise ValueError('Unknown graph protocol: {}'.format(graph_protocol))
|
| 289 |
+
|
| 290 |
+
ep = GraphExecutionProfile(row_factory=row_factory,
|
| 291 |
+
graph_options=GraphOptions(graph_name=graph_name,
|
| 292 |
+
graph_language=DseGraph.DSE_GRAPH_QUERY_LANGUAGE,
|
| 293 |
+
graph_protocol=graph_protocol),
|
| 294 |
+
**kwargs)
|
| 295 |
+
return ep
|
| 296 |
+
|
| 297 |
+
@staticmethod
|
| 298 |
+
def batch(*args, **kwargs):
|
| 299 |
+
"""
|
| 300 |
+
Returns the :class:`cassandra.datastax.graph.fluent.query.TraversalBatch` object allowing to
|
| 301 |
+
execute multiple traversals in the same transaction.
|
| 302 |
+
"""
|
| 303 |
+
return _DefaultTraversalBatch(*args, **kwargs)
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/__init__.cpython-312.pyc
ADDED
|
Binary file (13.5 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/_predicates.cpython-312.pyc
ADDED
|
Binary file (9.47 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/_query.cpython-312.pyc
ADDED
|
Binary file (10.6 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/_serializers.cpython-312.pyc
ADDED
|
Binary file (9.73 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/predicates.cpython-312.pyc
ADDED
|
Binary file (376 Bytes). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/query.cpython-312.pyc
ADDED
|
Binary file (366 Bytes). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/__pycache__/serializers.cpython-312.pyc
ADDED
|
Binary file (378 Bytes). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/_predicates.py
ADDED
|
@@ -0,0 +1,202 @@
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
import math
|
| 16 |
+
|
| 17 |
+
from gremlin_python.process.traversal import P
|
| 18 |
+
|
| 19 |
+
from cassandra.util import Distance
|
| 20 |
+
|
| 21 |
+
__all__ = ['GeoP', 'TextDistanceP', 'Search', 'GeoUnit', 'Geo', 'CqlCollection']
|
| 22 |
+
|
| 23 |
+
|
| 24 |
+
class GeoP(object):
|
| 25 |
+
|
| 26 |
+
def __init__(self, operator, value, other=None):
|
| 27 |
+
self.operator = operator
|
| 28 |
+
self.value = value
|
| 29 |
+
self.other = other
|
| 30 |
+
|
| 31 |
+
@staticmethod
|
| 32 |
+
def inside(*args, **kwargs):
|
| 33 |
+
return GeoP("inside", *args, **kwargs)
|
| 34 |
+
|
| 35 |
+
def __eq__(self, other):
|
| 36 |
+
return isinstance(other,
|
| 37 |
+
self.__class__) and self.operator == other.operator and self.value == other.value and self.other == other.other
|
| 38 |
+
|
| 39 |
+
def __repr__(self):
|
| 40 |
+
return self.operator + "(" + str(self.value) + ")" if self.other is None else self.operator + "(" + str(
|
| 41 |
+
self.value) + "," + str(self.other) + ")"
|
| 42 |
+
|
| 43 |
+
|
| 44 |
+
class TextDistanceP(object):
|
| 45 |
+
|
| 46 |
+
def __init__(self, operator, value, distance):
|
| 47 |
+
self.operator = operator
|
| 48 |
+
self.value = value
|
| 49 |
+
self.distance = distance
|
| 50 |
+
|
| 51 |
+
@staticmethod
|
| 52 |
+
def fuzzy(*args):
|
| 53 |
+
return TextDistanceP("fuzzy", *args)
|
| 54 |
+
|
| 55 |
+
@staticmethod
|
| 56 |
+
def token_fuzzy(*args):
|
| 57 |
+
return TextDistanceP("tokenFuzzy", *args)
|
| 58 |
+
|
| 59 |
+
@staticmethod
|
| 60 |
+
def phrase(*args):
|
| 61 |
+
return TextDistanceP("phrase", *args)
|
| 62 |
+
|
| 63 |
+
def __eq__(self, other):
|
| 64 |
+
return isinstance(other,
|
| 65 |
+
self.__class__) and self.operator == other.operator and self.value == other.value and self.distance == other.distance
|
| 66 |
+
|
| 67 |
+
def __repr__(self):
|
| 68 |
+
return self.operator + "(" + str(self.value) + "," + str(self.distance) + ")"
|
| 69 |
+
|
| 70 |
+
|
| 71 |
+
class Search(object):
|
| 72 |
+
|
| 73 |
+
@staticmethod
|
| 74 |
+
def token(value):
|
| 75 |
+
"""
|
| 76 |
+
Search any instance of a certain token within the text property targeted.
|
| 77 |
+
:param value: the value to look for.
|
| 78 |
+
"""
|
| 79 |
+
return P('token', value)
|
| 80 |
+
|
| 81 |
+
@staticmethod
|
| 82 |
+
def token_prefix(value):
|
| 83 |
+
"""
|
| 84 |
+
Search any instance of a certain token prefix withing the text property targeted.
|
| 85 |
+
:param value: the value to look for.
|
| 86 |
+
"""
|
| 87 |
+
return P('tokenPrefix', value)
|
| 88 |
+
|
| 89 |
+
@staticmethod
|
| 90 |
+
def token_regex(value):
|
| 91 |
+
"""
|
| 92 |
+
Search any instance of the provided regular expression for the targeted property.
|
| 93 |
+
:param value: the value to look for.
|
| 94 |
+
"""
|
| 95 |
+
return P('tokenRegex', value)
|
| 96 |
+
|
| 97 |
+
@staticmethod
|
| 98 |
+
def prefix(value):
|
| 99 |
+
"""
|
| 100 |
+
Search for a specific prefix at the beginning of the text property targeted.
|
| 101 |
+
:param value: the value to look for.
|
| 102 |
+
"""
|
| 103 |
+
return P('prefix', value)
|
| 104 |
+
|
| 105 |
+
@staticmethod
|
| 106 |
+
def regex(value):
|
| 107 |
+
"""
|
| 108 |
+
Search for this regular expression inside the text property targeted.
|
| 109 |
+
:param value: the value to look for.
|
| 110 |
+
"""
|
| 111 |
+
return P('regex', value)
|
| 112 |
+
|
| 113 |
+
@staticmethod
|
| 114 |
+
def fuzzy(value, distance):
|
| 115 |
+
"""
|
| 116 |
+
Search for a fuzzy string inside the text property targeted.
|
| 117 |
+
:param value: the value to look for.
|
| 118 |
+
:param distance: The distance for the fuzzy search. ie. 1, to allow a one-letter misspellings.
|
| 119 |
+
"""
|
| 120 |
+
return TextDistanceP.fuzzy(value, distance)
|
| 121 |
+
|
| 122 |
+
@staticmethod
|
| 123 |
+
def token_fuzzy(value, distance):
|
| 124 |
+
"""
|
| 125 |
+
Search for a token fuzzy inside the text property targeted.
|
| 126 |
+
:param value: the value to look for.
|
| 127 |
+
:param distance: The distance for the token fuzzy search. ie. 1, to allow a one-letter misspellings.
|
| 128 |
+
"""
|
| 129 |
+
return TextDistanceP.token_fuzzy(value, distance)
|
| 130 |
+
|
| 131 |
+
@staticmethod
|
| 132 |
+
def phrase(value, proximity):
|
| 133 |
+
"""
|
| 134 |
+
Search for a phrase inside the text property targeted.
|
| 135 |
+
:param value: the value to look for.
|
| 136 |
+
:param proximity: The proximity for the phrase search. ie. phrase('David Felcey', 2).. to find 'David Felcey' with up to two middle names.
|
| 137 |
+
"""
|
| 138 |
+
return TextDistanceP.phrase(value, proximity)
|
| 139 |
+
|
| 140 |
+
|
| 141 |
+
class CqlCollection(object):
|
| 142 |
+
|
| 143 |
+
@staticmethod
|
| 144 |
+
def contains(value):
|
| 145 |
+
"""
|
| 146 |
+
Search for a value inside a cql list/set column.
|
| 147 |
+
:param value: the value to look for.
|
| 148 |
+
"""
|
| 149 |
+
return P('contains', value)
|
| 150 |
+
|
| 151 |
+
@staticmethod
|
| 152 |
+
def contains_value(value):
|
| 153 |
+
"""
|
| 154 |
+
Search for a map value.
|
| 155 |
+
:param value: the value to look for.
|
| 156 |
+
"""
|
| 157 |
+
return P('containsValue', value)
|
| 158 |
+
|
| 159 |
+
@staticmethod
|
| 160 |
+
def contains_key(value):
|
| 161 |
+
"""
|
| 162 |
+
Search for a map key.
|
| 163 |
+
:param value: the value to look for.
|
| 164 |
+
"""
|
| 165 |
+
return P('containsKey', value)
|
| 166 |
+
|
| 167 |
+
@staticmethod
|
| 168 |
+
def entry_eq(value):
|
| 169 |
+
"""
|
| 170 |
+
Search for a map entry.
|
| 171 |
+
:param value: the value to look for.
|
| 172 |
+
"""
|
| 173 |
+
return P('entryEq', value)
|
| 174 |
+
|
| 175 |
+
|
| 176 |
+
class GeoUnit(object):
|
| 177 |
+
_EARTH_MEAN_RADIUS_KM = 6371.0087714
|
| 178 |
+
_DEGREES_TO_RADIANS = math.pi / 180
|
| 179 |
+
_DEG_TO_KM = _DEGREES_TO_RADIANS * _EARTH_MEAN_RADIUS_KM
|
| 180 |
+
_KM_TO_DEG = 1 / _DEG_TO_KM
|
| 181 |
+
_MILES_TO_KM = 1.609344001
|
| 182 |
+
|
| 183 |
+
MILES = _MILES_TO_KM * _KM_TO_DEG
|
| 184 |
+
KILOMETERS = _KM_TO_DEG
|
| 185 |
+
METERS = _KM_TO_DEG / 1000.0
|
| 186 |
+
DEGREES = 1
|
| 187 |
+
|
| 188 |
+
|
| 189 |
+
class Geo(object):
|
| 190 |
+
|
| 191 |
+
@staticmethod
|
| 192 |
+
def inside(value, units=GeoUnit.DEGREES):
|
| 193 |
+
"""
|
| 194 |
+
Search any instance of geometry inside the Distance targeted.
|
| 195 |
+
:param value: A Distance to look for.
|
| 196 |
+
:param units: The units for ``value``. See GeoUnit enum. (Can also
|
| 197 |
+
provide an integer to use as a multiplier to convert ``value`` to
|
| 198 |
+
degrees.)
|
| 199 |
+
"""
|
| 200 |
+
return GeoP.inside(
|
| 201 |
+
value=Distance(x=value.x, y=value.y, radius=value.radius * units)
|
| 202 |
+
)
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/_query.py
ADDED
|
@@ -0,0 +1,228 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
import logging
|
| 16 |
+
|
| 17 |
+
from cassandra.graph import SimpleGraphStatement, GraphProtocol
|
| 18 |
+
from cassandra.cluster import EXEC_PROFILE_GRAPH_DEFAULT
|
| 19 |
+
|
| 20 |
+
from gremlin_python.process.graph_traversal import GraphTraversal
|
| 21 |
+
from gremlin_python.structure.io.graphsonV2d0 import GraphSONWriter as GraphSONWriterV2
|
| 22 |
+
from gremlin_python.structure.io.graphsonV3d0 import GraphSONWriter as GraphSONWriterV3
|
| 23 |
+
|
| 24 |
+
from cassandra.datastax.graph.fluent.serializers import GremlinUserTypeIO, \
|
| 25 |
+
dse_graphson2_serializers, dse_graphson3_serializers
|
| 26 |
+
|
| 27 |
+
log = logging.getLogger(__name__)
|
| 28 |
+
|
| 29 |
+
|
| 30 |
+
__all__ = ['TraversalBatch', '_query_from_traversal', '_DefaultTraversalBatch']
|
| 31 |
+
|
| 32 |
+
|
| 33 |
+
class _GremlinGraphSONWriterAdapter(object):
|
| 34 |
+
|
| 35 |
+
def __init__(self, context, **kwargs):
|
| 36 |
+
super(_GremlinGraphSONWriterAdapter, self).__init__(**kwargs)
|
| 37 |
+
self.context = context
|
| 38 |
+
self.user_types = None
|
| 39 |
+
|
| 40 |
+
def serialize(self, value, _):
|
| 41 |
+
return self.toDict(value)
|
| 42 |
+
|
| 43 |
+
def get_serializer(self, value):
|
| 44 |
+
serializer = None
|
| 45 |
+
try:
|
| 46 |
+
serializer = self.serializers[type(value)]
|
| 47 |
+
except KeyError:
|
| 48 |
+
for key, ser in self.serializers.items():
|
| 49 |
+
if isinstance(value, key):
|
| 50 |
+
serializer = ser
|
| 51 |
+
|
| 52 |
+
if self.context:
|
| 53 |
+
# Check if UDT
|
| 54 |
+
if self.user_types is None:
|
| 55 |
+
try:
|
| 56 |
+
user_types = self.context['cluster']._user_types[self.context['graph_name']]
|
| 57 |
+
self.user_types = dict(map(reversed, user_types.items()))
|
| 58 |
+
except KeyError:
|
| 59 |
+
self.user_types = {}
|
| 60 |
+
|
| 61 |
+
# Custom detection to map a namedtuple to udt
|
| 62 |
+
if (tuple in self.serializers and serializer is self.serializers[tuple] and hasattr(value, '_fields') or
|
| 63 |
+
(not serializer and type(value) in self.user_types)):
|
| 64 |
+
serializer = GremlinUserTypeIO
|
| 65 |
+
|
| 66 |
+
if serializer:
|
| 67 |
+
try:
|
| 68 |
+
# A serializer can have specialized serializers (e.g for Int32 and Int64, so value dependant)
|
| 69 |
+
serializer = serializer.get_specialized_serializer(value)
|
| 70 |
+
except AttributeError:
|
| 71 |
+
pass
|
| 72 |
+
|
| 73 |
+
return serializer
|
| 74 |
+
|
| 75 |
+
def toDict(self, obj):
|
| 76 |
+
serializer = self.get_serializer(obj)
|
| 77 |
+
return serializer.dictify(obj, self) if serializer else obj
|
| 78 |
+
|
| 79 |
+
def definition(self, value):
|
| 80 |
+
serializer = self.get_serializer(value)
|
| 81 |
+
return serializer.definition(value, self)
|
| 82 |
+
|
| 83 |
+
|
| 84 |
+
class GremlinGraphSON2Writer(_GremlinGraphSONWriterAdapter, GraphSONWriterV2):
|
| 85 |
+
pass
|
| 86 |
+
|
| 87 |
+
|
| 88 |
+
class GremlinGraphSON3Writer(_GremlinGraphSONWriterAdapter, GraphSONWriterV3):
|
| 89 |
+
pass
|
| 90 |
+
|
| 91 |
+
|
| 92 |
+
graphson2_writer = GremlinGraphSON2Writer
|
| 93 |
+
graphson3_writer = GremlinGraphSON3Writer
|
| 94 |
+
|
| 95 |
+
|
| 96 |
+
def _query_from_traversal(traversal, graph_protocol, context=None):
|
| 97 |
+
"""
|
| 98 |
+
From a GraphTraversal, return a query string.
|
| 99 |
+
|
| 100 |
+
:param traversal: The GraphTraversal object
|
| 101 |
+
:param graphson_protocol: The graph protocol to determine the output format.
|
| 102 |
+
"""
|
| 103 |
+
if graph_protocol == GraphProtocol.GRAPHSON_2_0:
|
| 104 |
+
graphson_writer = graphson2_writer(context, serializer_map=dse_graphson2_serializers)
|
| 105 |
+
elif graph_protocol == GraphProtocol.GRAPHSON_3_0:
|
| 106 |
+
if context is None:
|
| 107 |
+
raise ValueError('Missing context for GraphSON3 serialization requires.')
|
| 108 |
+
graphson_writer = graphson3_writer(context, serializer_map=dse_graphson3_serializers)
|
| 109 |
+
else:
|
| 110 |
+
raise ValueError('Unknown graph protocol: {}'.format(graph_protocol))
|
| 111 |
+
|
| 112 |
+
try:
|
| 113 |
+
query = graphson_writer.writeObject(traversal)
|
| 114 |
+
except Exception:
|
| 115 |
+
log.exception("Error preparing graphson traversal query:")
|
| 116 |
+
raise
|
| 117 |
+
|
| 118 |
+
return query
|
| 119 |
+
|
| 120 |
+
|
| 121 |
+
class TraversalBatch(object):
|
| 122 |
+
"""
|
| 123 |
+
A `TraversalBatch` is used to execute multiple graph traversals in a
|
| 124 |
+
single transaction. If any traversal in the batch fails, the entire
|
| 125 |
+
batch will fail to apply.
|
| 126 |
+
|
| 127 |
+
If a TraversalBatch is bounded to a DSE session, it can be executed using
|
| 128 |
+
`traversal_batch.execute()`.
|
| 129 |
+
"""
|
| 130 |
+
|
| 131 |
+
_session = None
|
| 132 |
+
_execution_profile = None
|
| 133 |
+
|
| 134 |
+
def __init__(self, session=None, execution_profile=None):
|
| 135 |
+
"""
|
| 136 |
+
:param session: (Optional) A DSE session
|
| 137 |
+
:param execution_profile: (Optional) The execution profile to use for the batch execution
|
| 138 |
+
"""
|
| 139 |
+
self._session = session
|
| 140 |
+
self._execution_profile = execution_profile
|
| 141 |
+
|
| 142 |
+
def add(self, traversal):
|
| 143 |
+
"""
|
| 144 |
+
Add a traversal to the batch.
|
| 145 |
+
|
| 146 |
+
:param traversal: A gremlin GraphTraversal
|
| 147 |
+
"""
|
| 148 |
+
raise NotImplementedError()
|
| 149 |
+
|
| 150 |
+
def add_all(self, traversals):
|
| 151 |
+
"""
|
| 152 |
+
Adds a sequence of traversals to the batch.
|
| 153 |
+
|
| 154 |
+
:param traversals: A sequence of gremlin GraphTraversal
|
| 155 |
+
"""
|
| 156 |
+
raise NotImplementedError()
|
| 157 |
+
|
| 158 |
+
def execute(self):
|
| 159 |
+
"""
|
| 160 |
+
Execute the traversal batch if bounded to a `DSE Session`.
|
| 161 |
+
"""
|
| 162 |
+
raise NotImplementedError()
|
| 163 |
+
|
| 164 |
+
def as_graph_statement(self, graph_protocol=GraphProtocol.GRAPHSON_2_0):
|
| 165 |
+
"""
|
| 166 |
+
Return the traversal batch as GraphStatement.
|
| 167 |
+
|
| 168 |
+
:param graph_protocol: The graph protocol for the GraphSONWriter. Default is GraphProtocol.GRAPHSON_2_0.
|
| 169 |
+
"""
|
| 170 |
+
raise NotImplementedError()
|
| 171 |
+
|
| 172 |
+
def clear(self):
|
| 173 |
+
"""
|
| 174 |
+
Clear a traversal batch for reuse.
|
| 175 |
+
"""
|
| 176 |
+
raise NotImplementedError()
|
| 177 |
+
|
| 178 |
+
def __len__(self):
|
| 179 |
+
raise NotImplementedError()
|
| 180 |
+
|
| 181 |
+
def __str__(self):
|
| 182 |
+
return u'<TraversalBatch traversals={0}>'.format(len(self))
|
| 183 |
+
__repr__ = __str__
|
| 184 |
+
|
| 185 |
+
|
| 186 |
+
class _DefaultTraversalBatch(TraversalBatch):
|
| 187 |
+
|
| 188 |
+
_traversals = None
|
| 189 |
+
|
| 190 |
+
def __init__(self, *args, **kwargs):
|
| 191 |
+
super(_DefaultTraversalBatch, self).__init__(*args, **kwargs)
|
| 192 |
+
self._traversals = []
|
| 193 |
+
|
| 194 |
+
def add(self, traversal):
|
| 195 |
+
if not isinstance(traversal, GraphTraversal):
|
| 196 |
+
raise ValueError('traversal should be a gremlin GraphTraversal')
|
| 197 |
+
|
| 198 |
+
self._traversals.append(traversal)
|
| 199 |
+
return self
|
| 200 |
+
|
| 201 |
+
def add_all(self, traversals):
|
| 202 |
+
for traversal in traversals:
|
| 203 |
+
self.add(traversal)
|
| 204 |
+
|
| 205 |
+
def as_graph_statement(self, graph_protocol=GraphProtocol.GRAPHSON_2_0, context=None):
|
| 206 |
+
statements = [_query_from_traversal(t, graph_protocol, context) for t in self._traversals]
|
| 207 |
+
query = u"[{0}]".format(','.join(statements))
|
| 208 |
+
return SimpleGraphStatement(query)
|
| 209 |
+
|
| 210 |
+
def execute(self):
|
| 211 |
+
if self._session is None:
|
| 212 |
+
raise ValueError('A DSE Session must be provided to execute the traversal batch.')
|
| 213 |
+
|
| 214 |
+
execution_profile = self._execution_profile if self._execution_profile else EXEC_PROFILE_GRAPH_DEFAULT
|
| 215 |
+
graph_options = self._session.get_execution_profile(execution_profile).graph_options
|
| 216 |
+
context = {
|
| 217 |
+
'cluster': self._session.cluster,
|
| 218 |
+
'graph_name': graph_options.graph_name
|
| 219 |
+
}
|
| 220 |
+
statement = self.as_graph_statement(graph_options.graph_protocol, context=context) \
|
| 221 |
+
if graph_options.graph_protocol else self.as_graph_statement(context=context)
|
| 222 |
+
return self._session.execute_graph(statement, execution_profile=execution_profile)
|
| 223 |
+
|
| 224 |
+
def clear(self):
|
| 225 |
+
del self._traversals[:]
|
| 226 |
+
|
| 227 |
+
def __len__(self):
|
| 228 |
+
return len(self._traversals)
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/_serializers.py
ADDED
|
@@ -0,0 +1,260 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
from collections import OrderedDict
|
| 16 |
+
|
| 17 |
+
from gremlin_python.structure.io.graphsonV2d0 import (
|
| 18 |
+
GraphSONReader as GraphSONReaderV2,
|
| 19 |
+
GraphSONUtil as GraphSONUtil, # no difference between v2 and v3
|
| 20 |
+
VertexDeserializer as VertexDeserializerV2,
|
| 21 |
+
VertexPropertyDeserializer as VertexPropertyDeserializerV2,
|
| 22 |
+
PropertyDeserializer as PropertyDeserializerV2,
|
| 23 |
+
EdgeDeserializer as EdgeDeserializerV2,
|
| 24 |
+
PathDeserializer as PathDeserializerV2
|
| 25 |
+
)
|
| 26 |
+
|
| 27 |
+
from gremlin_python.structure.io.graphsonV3d0 import (
|
| 28 |
+
GraphSONReader as GraphSONReaderV3,
|
| 29 |
+
VertexDeserializer as VertexDeserializerV3,
|
| 30 |
+
VertexPropertyDeserializer as VertexPropertyDeserializerV3,
|
| 31 |
+
PropertyDeserializer as PropertyDeserializerV3,
|
| 32 |
+
EdgeDeserializer as EdgeDeserializerV3,
|
| 33 |
+
PathDeserializer as PathDeserializerV3
|
| 34 |
+
)
|
| 35 |
+
|
| 36 |
+
try:
|
| 37 |
+
from gremlin_python.structure.io.graphsonV2d0 import (
|
| 38 |
+
TraversalMetricsDeserializer as TraversalMetricsDeserializerV2,
|
| 39 |
+
MetricsDeserializer as MetricsDeserializerV2
|
| 40 |
+
)
|
| 41 |
+
from gremlin_python.structure.io.graphsonV3d0 import (
|
| 42 |
+
TraversalMetricsDeserializer as TraversalMetricsDeserializerV3,
|
| 43 |
+
MetricsDeserializer as MetricsDeserializerV3
|
| 44 |
+
)
|
| 45 |
+
except ImportError:
|
| 46 |
+
TraversalMetricsDeserializerV2 = MetricsDeserializerV2 = None
|
| 47 |
+
TraversalMetricsDeserializerV3 = MetricsDeserializerV3 = None
|
| 48 |
+
|
| 49 |
+
from cassandra.graph import (
|
| 50 |
+
GraphSON2Serializer,
|
| 51 |
+
GraphSON2Deserializer,
|
| 52 |
+
GraphSON3Serializer,
|
| 53 |
+
GraphSON3Deserializer
|
| 54 |
+
)
|
| 55 |
+
from cassandra.graph.graphson import UserTypeIO, TypeWrapperTypeIO
|
| 56 |
+
from cassandra.datastax.graph.fluent.predicates import GeoP, TextDistanceP
|
| 57 |
+
from cassandra.util import Distance
|
| 58 |
+
|
| 59 |
+
|
| 60 |
+
__all__ = ['GremlinGraphSONReader', 'GeoPSerializer', 'TextDistancePSerializer',
|
| 61 |
+
'DistanceIO', 'gremlin_deserializers', 'deserializers', 'serializers',
|
| 62 |
+
'GremlinGraphSONReaderV2', 'GremlinGraphSONReaderV3', 'dse_graphson2_serializers',
|
| 63 |
+
'dse_graphson2_deserializers', 'dse_graphson3_serializers', 'dse_graphson3_deserializers',
|
| 64 |
+
'gremlin_graphson2_deserializers', 'gremlin_graphson3_deserializers', 'GremlinUserTypeIO']
|
| 65 |
+
|
| 66 |
+
|
| 67 |
+
class _GremlinGraphSONTypeSerializer(object):
|
| 68 |
+
TYPE_KEY = "@type"
|
| 69 |
+
VALUE_KEY = "@value"
|
| 70 |
+
serializer = None
|
| 71 |
+
|
| 72 |
+
def __init__(self, serializer):
|
| 73 |
+
self.serializer = serializer
|
| 74 |
+
|
| 75 |
+
def dictify(self, v, writer):
|
| 76 |
+
value = self.serializer.serialize(v, writer)
|
| 77 |
+
if self.serializer is TypeWrapperTypeIO:
|
| 78 |
+
graphson_base_type = v.type_io.graphson_base_type
|
| 79 |
+
graphson_type = v.type_io.graphson_type
|
| 80 |
+
else:
|
| 81 |
+
graphson_base_type = self.serializer.graphson_base_type
|
| 82 |
+
graphson_type = self.serializer.graphson_type
|
| 83 |
+
|
| 84 |
+
if graphson_base_type is None:
|
| 85 |
+
out = value
|
| 86 |
+
else:
|
| 87 |
+
out = {self.TYPE_KEY: graphson_type}
|
| 88 |
+
if value is not None:
|
| 89 |
+
out[self.VALUE_KEY] = value
|
| 90 |
+
|
| 91 |
+
return out
|
| 92 |
+
|
| 93 |
+
def definition(self, value, writer=None):
|
| 94 |
+
return self.serializer.definition(value, writer)
|
| 95 |
+
|
| 96 |
+
def get_specialized_serializer(self, value):
|
| 97 |
+
ser = self.serializer.get_specialized_serializer(value)
|
| 98 |
+
if ser is not self.serializer:
|
| 99 |
+
return _GremlinGraphSONTypeSerializer(ser)
|
| 100 |
+
return self
|
| 101 |
+
|
| 102 |
+
|
| 103 |
+
class _GremlinGraphSONTypeDeserializer(object):
|
| 104 |
+
|
| 105 |
+
deserializer = None
|
| 106 |
+
|
| 107 |
+
def __init__(self, deserializer):
|
| 108 |
+
self.deserializer = deserializer
|
| 109 |
+
|
| 110 |
+
def objectify(self, v, reader):
|
| 111 |
+
return self.deserializer.deserialize(v, reader)
|
| 112 |
+
|
| 113 |
+
|
| 114 |
+
def _make_gremlin_graphson2_deserializer(graphson_type):
|
| 115 |
+
return _GremlinGraphSONTypeDeserializer(
|
| 116 |
+
GraphSON2Deserializer.get_deserializer(graphson_type.graphson_type)
|
| 117 |
+
)
|
| 118 |
+
|
| 119 |
+
|
| 120 |
+
def _make_gremlin_graphson3_deserializer(graphson_type):
|
| 121 |
+
return _GremlinGraphSONTypeDeserializer(
|
| 122 |
+
GraphSON3Deserializer.get_deserializer(graphson_type.graphson_type)
|
| 123 |
+
)
|
| 124 |
+
|
| 125 |
+
|
| 126 |
+
class _GremlinGraphSONReader(object):
|
| 127 |
+
"""Gremlin GraphSONReader Adapter, required to use gremlin types"""
|
| 128 |
+
|
| 129 |
+
context = None
|
| 130 |
+
|
| 131 |
+
def __init__(self, context, deserializer_map=None):
|
| 132 |
+
self.context = context
|
| 133 |
+
super(_GremlinGraphSONReader, self).__init__(deserializer_map)
|
| 134 |
+
|
| 135 |
+
def deserialize(self, obj):
|
| 136 |
+
return self.toObject(obj)
|
| 137 |
+
|
| 138 |
+
|
| 139 |
+
class GremlinGraphSONReaderV2(_GremlinGraphSONReader, GraphSONReaderV2):
|
| 140 |
+
pass
|
| 141 |
+
|
| 142 |
+
# TODO remove next major
|
| 143 |
+
GremlinGraphSONReader = GremlinGraphSONReaderV2
|
| 144 |
+
|
| 145 |
+
class GremlinGraphSONReaderV3(_GremlinGraphSONReader, GraphSONReaderV3):
|
| 146 |
+
pass
|
| 147 |
+
|
| 148 |
+
|
| 149 |
+
class GeoPSerializer(object):
|
| 150 |
+
@classmethod
|
| 151 |
+
def dictify(cls, p, writer):
|
| 152 |
+
out = {
|
| 153 |
+
"predicateType": "Geo",
|
| 154 |
+
"predicate": p.operator,
|
| 155 |
+
"value": [writer.toDict(p.value), writer.toDict(p.other)] if p.other is not None else writer.toDict(p.value)
|
| 156 |
+
}
|
| 157 |
+
return GraphSONUtil.typedValue("P", out, prefix='dse')
|
| 158 |
+
|
| 159 |
+
|
| 160 |
+
class TextDistancePSerializer(object):
|
| 161 |
+
@classmethod
|
| 162 |
+
def dictify(cls, p, writer):
|
| 163 |
+
out = {
|
| 164 |
+
"predicate": p.operator,
|
| 165 |
+
"value": {
|
| 166 |
+
'query': writer.toDict(p.value),
|
| 167 |
+
'distance': writer.toDict(p.distance)
|
| 168 |
+
}
|
| 169 |
+
}
|
| 170 |
+
return GraphSONUtil.typedValue("P", out)
|
| 171 |
+
|
| 172 |
+
|
| 173 |
+
class DistanceIO(object):
|
| 174 |
+
@classmethod
|
| 175 |
+
def dictify(cls, v, _):
|
| 176 |
+
return GraphSONUtil.typedValue('Distance', str(v), prefix='dse')
|
| 177 |
+
|
| 178 |
+
|
| 179 |
+
GremlinUserTypeIO = _GremlinGraphSONTypeSerializer(UserTypeIO)
|
| 180 |
+
|
| 181 |
+
# GraphSON2
|
| 182 |
+
dse_graphson2_serializers = OrderedDict([
|
| 183 |
+
(t, _GremlinGraphSONTypeSerializer(s))
|
| 184 |
+
for t, s in GraphSON2Serializer.get_type_definitions().items()
|
| 185 |
+
])
|
| 186 |
+
|
| 187 |
+
dse_graphson2_serializers.update(OrderedDict([
|
| 188 |
+
(Distance, DistanceIO),
|
| 189 |
+
(GeoP, GeoPSerializer),
|
| 190 |
+
(TextDistanceP, TextDistancePSerializer)
|
| 191 |
+
]))
|
| 192 |
+
|
| 193 |
+
# TODO remove next major, this is just in case someone was using it
|
| 194 |
+
serializers = dse_graphson2_serializers
|
| 195 |
+
|
| 196 |
+
dse_graphson2_deserializers = {
|
| 197 |
+
k: _make_gremlin_graphson2_deserializer(v)
|
| 198 |
+
for k, v in GraphSON2Deserializer.get_type_definitions().items()
|
| 199 |
+
}
|
| 200 |
+
|
| 201 |
+
dse_graphson2_deserializers.update({
|
| 202 |
+
"dse:Distance": DistanceIO,
|
| 203 |
+
})
|
| 204 |
+
|
| 205 |
+
# TODO remove next major, this is just in case someone was using it
|
| 206 |
+
deserializers = dse_graphson2_deserializers
|
| 207 |
+
|
| 208 |
+
gremlin_graphson2_deserializers = dse_graphson2_deserializers.copy()
|
| 209 |
+
gremlin_graphson2_deserializers.update({
|
| 210 |
+
'g:Vertex': VertexDeserializerV2,
|
| 211 |
+
'g:VertexProperty': VertexPropertyDeserializerV2,
|
| 212 |
+
'g:Edge': EdgeDeserializerV2,
|
| 213 |
+
'g:Property': PropertyDeserializerV2,
|
| 214 |
+
'g:Path': PathDeserializerV2
|
| 215 |
+
})
|
| 216 |
+
|
| 217 |
+
if TraversalMetricsDeserializerV2:
|
| 218 |
+
gremlin_graphson2_deserializers.update({
|
| 219 |
+
'g:TraversalMetrics': TraversalMetricsDeserializerV2,
|
| 220 |
+
'g:lMetrics': MetricsDeserializerV2
|
| 221 |
+
})
|
| 222 |
+
|
| 223 |
+
# TODO remove next major, this is just in case someone was using it
|
| 224 |
+
gremlin_deserializers = gremlin_graphson2_deserializers
|
| 225 |
+
|
| 226 |
+
# GraphSON3
|
| 227 |
+
dse_graphson3_serializers = OrderedDict([
|
| 228 |
+
(t, _GremlinGraphSONTypeSerializer(s))
|
| 229 |
+
for t, s in GraphSON3Serializer.get_type_definitions().items()
|
| 230 |
+
])
|
| 231 |
+
|
| 232 |
+
dse_graphson3_serializers.update(OrderedDict([
|
| 233 |
+
(Distance, DistanceIO),
|
| 234 |
+
(GeoP, GeoPSerializer),
|
| 235 |
+
(TextDistanceP, TextDistancePSerializer)
|
| 236 |
+
]))
|
| 237 |
+
|
| 238 |
+
dse_graphson3_deserializers = {
|
| 239 |
+
k: _make_gremlin_graphson3_deserializer(v)
|
| 240 |
+
for k, v in GraphSON3Deserializer.get_type_definitions().items()
|
| 241 |
+
}
|
| 242 |
+
|
| 243 |
+
dse_graphson3_deserializers.update({
|
| 244 |
+
"dse:Distance": DistanceIO
|
| 245 |
+
})
|
| 246 |
+
|
| 247 |
+
gremlin_graphson3_deserializers = dse_graphson3_deserializers.copy()
|
| 248 |
+
gremlin_graphson3_deserializers.update({
|
| 249 |
+
'g:Vertex': VertexDeserializerV3,
|
| 250 |
+
'g:VertexProperty': VertexPropertyDeserializerV3,
|
| 251 |
+
'g:Edge': EdgeDeserializerV3,
|
| 252 |
+
'g:Property': PropertyDeserializerV3,
|
| 253 |
+
'g:Path': PathDeserializerV3
|
| 254 |
+
})
|
| 255 |
+
|
| 256 |
+
if TraversalMetricsDeserializerV3:
|
| 257 |
+
gremlin_graphson3_deserializers.update({
|
| 258 |
+
'g:TraversalMetrics': TraversalMetricsDeserializerV3,
|
| 259 |
+
'g:Metrics': MetricsDeserializerV3
|
| 260 |
+
})
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/predicates.py
ADDED
|
@@ -0,0 +1,20 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
try:
|
| 16 |
+
import gremlin_python
|
| 17 |
+
from cassandra.datastax.graph.fluent._predicates import *
|
| 18 |
+
except ImportError:
|
| 19 |
+
# gremlinpython is not installed.
|
| 20 |
+
pass
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/query.py
ADDED
|
@@ -0,0 +1,20 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
try:
|
| 16 |
+
import gremlin_python
|
| 17 |
+
from cassandra.datastax.graph.fluent._query import *
|
| 18 |
+
except ImportError:
|
| 19 |
+
# gremlinpython is not installed.
|
| 20 |
+
pass
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/graph/fluent/serializers.py
ADDED
|
@@ -0,0 +1,20 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
try:
|
| 16 |
+
import gremlin_python
|
| 17 |
+
from cassandra.datastax.graph.fluent._serializers import *
|
| 18 |
+
except ImportError:
|
| 19 |
+
# gremlinpython is not installed.
|
| 20 |
+
pass
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/__init__.py
ADDED
|
@@ -0,0 +1,13 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/__pycache__/__init__.cpython-312.pyc
ADDED
|
Binary file (206 Bytes). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/__pycache__/registry.cpython-312.pyc
ADDED
|
Binary file (5.61 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/__pycache__/reporter.cpython-312.pyc
ADDED
|
Binary file (12.4 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/__pycache__/serializers.cpython-312.pyc
ADDED
|
Binary file (11.8 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/__pycache__/util.cpython-312.pyc
ADDED
|
Binary file (2.5 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/registry.py
ADDED
|
@@ -0,0 +1,122 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
from collections import OrderedDict
|
| 16 |
+
from warnings import warn
|
| 17 |
+
|
| 18 |
+
from cassandra.datastax.insights.util import namespace
|
| 19 |
+
|
| 20 |
+
_NOT_SET = object()
|
| 21 |
+
|
| 22 |
+
|
| 23 |
+
def _default_serializer_for_object(obj, policy):
|
| 24 |
+
# the insights server expects an 'options' dict for policy
|
| 25 |
+
# objects, but not for other objects
|
| 26 |
+
if policy:
|
| 27 |
+
return {'type': obj.__class__.__name__,
|
| 28 |
+
'namespace': namespace(obj.__class__),
|
| 29 |
+
'options': {}}
|
| 30 |
+
else:
|
| 31 |
+
return {'type': obj.__class__.__name__,
|
| 32 |
+
'namespace': namespace(obj.__class__)}
|
| 33 |
+
|
| 34 |
+
|
| 35 |
+
class InsightsSerializerRegistry(object):
|
| 36 |
+
|
| 37 |
+
initialized = False
|
| 38 |
+
|
| 39 |
+
def __init__(self, mapping_dict=None):
|
| 40 |
+
mapping_dict = mapping_dict or {}
|
| 41 |
+
class_order = self._class_topological_sort(mapping_dict)
|
| 42 |
+
self._mapping_dict = OrderedDict(
|
| 43 |
+
((cls, mapping_dict[cls]) for cls in class_order)
|
| 44 |
+
)
|
| 45 |
+
|
| 46 |
+
def serialize(self, obj, policy=False, default=_NOT_SET, cls=None):
|
| 47 |
+
try:
|
| 48 |
+
return self._get_serializer(cls if cls is not None else obj.__class__)(obj)
|
| 49 |
+
except Exception:
|
| 50 |
+
if default is _NOT_SET:
|
| 51 |
+
result = _default_serializer_for_object(obj, policy)
|
| 52 |
+
else:
|
| 53 |
+
result = default
|
| 54 |
+
|
| 55 |
+
return result
|
| 56 |
+
|
| 57 |
+
def _get_serializer(self, cls):
|
| 58 |
+
try:
|
| 59 |
+
return self._mapping_dict[cls]
|
| 60 |
+
except KeyError:
|
| 61 |
+
for registered_cls, serializer in self._mapping_dict.items():
|
| 62 |
+
if issubclass(cls, registered_cls):
|
| 63 |
+
return self._mapping_dict[registered_cls]
|
| 64 |
+
raise ValueError
|
| 65 |
+
|
| 66 |
+
def register(self, cls, serializer):
|
| 67 |
+
self._mapping_dict[cls] = serializer
|
| 68 |
+
self._mapping_dict = OrderedDict(
|
| 69 |
+
((cls, self._mapping_dict[cls])
|
| 70 |
+
for cls in self._class_topological_sort(self._mapping_dict))
|
| 71 |
+
)
|
| 72 |
+
|
| 73 |
+
def register_serializer_for(self, cls):
|
| 74 |
+
"""
|
| 75 |
+
Parameterized registration helper decorator. Given a class `cls`,
|
| 76 |
+
produces a function that registers the decorated function as a
|
| 77 |
+
serializer for it.
|
| 78 |
+
"""
|
| 79 |
+
def decorator(serializer):
|
| 80 |
+
self.register(cls, serializer)
|
| 81 |
+
return serializer
|
| 82 |
+
|
| 83 |
+
return decorator
|
| 84 |
+
|
| 85 |
+
@staticmethod
|
| 86 |
+
def _class_topological_sort(classes):
|
| 87 |
+
"""
|
| 88 |
+
A simple topological sort for classes. Takes an iterable of class objects
|
| 89 |
+
and returns a list A of those classes, ordered such that A[X] is never a
|
| 90 |
+
superclass of A[Y] for X < Y.
|
| 91 |
+
|
| 92 |
+
This is an inefficient sort, but that's ok because classes are infrequently
|
| 93 |
+
registered. It's more important that this be maintainable than fast.
|
| 94 |
+
|
| 95 |
+
We can't use `.sort()` or `sorted()` with a custom `key` -- those assume
|
| 96 |
+
a total ordering, which we don't have.
|
| 97 |
+
"""
|
| 98 |
+
unsorted, sorted_ = list(classes), []
|
| 99 |
+
while unsorted:
|
| 100 |
+
head, tail = unsorted[0], unsorted[1:]
|
| 101 |
+
|
| 102 |
+
# if head has no subclasses remaining, it can safely go in the list
|
| 103 |
+
if not any(issubclass(x, head) for x in tail):
|
| 104 |
+
sorted_.append(head)
|
| 105 |
+
else:
|
| 106 |
+
# move to the back -- head has to wait until all its subclasses
|
| 107 |
+
# are sorted into the list
|
| 108 |
+
tail.append(head)
|
| 109 |
+
|
| 110 |
+
unsorted = tail
|
| 111 |
+
|
| 112 |
+
# check that sort is valid
|
| 113 |
+
for i, head in enumerate(sorted_):
|
| 114 |
+
for after_head_value in sorted_[(i + 1):]:
|
| 115 |
+
if issubclass(after_head_value, head):
|
| 116 |
+
warn('Sorting classes produced an invalid ordering.\n'
|
| 117 |
+
'In: {classes}\n'
|
| 118 |
+
'Out: {sorted_}'.format(classes=classes, sorted_=sorted_))
|
| 119 |
+
return sorted_
|
| 120 |
+
|
| 121 |
+
|
| 122 |
+
insights_registry = InsightsSerializerRegistry()
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/reporter.py
ADDED
|
@@ -0,0 +1,221 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
from collections import Counter
|
| 16 |
+
import datetime
|
| 17 |
+
import json
|
| 18 |
+
import logging
|
| 19 |
+
import multiprocessing
|
| 20 |
+
import random
|
| 21 |
+
import platform
|
| 22 |
+
import socket
|
| 23 |
+
import ssl
|
| 24 |
+
import sys
|
| 25 |
+
from threading import Event, Thread
|
| 26 |
+
import time
|
| 27 |
+
|
| 28 |
+
from cassandra.policies import HostDistance
|
| 29 |
+
from cassandra.util import ms_timestamp_from_datetime
|
| 30 |
+
from cassandra.datastax.insights.registry import insights_registry
|
| 31 |
+
from cassandra.datastax.insights.serializers import initialize_registry
|
| 32 |
+
|
| 33 |
+
log = logging.getLogger(__name__)
|
| 34 |
+
|
| 35 |
+
|
| 36 |
+
class MonitorReporter(Thread):
|
| 37 |
+
|
| 38 |
+
def __init__(self, interval_sec, session):
|
| 39 |
+
"""
|
| 40 |
+
takes an int indicating interval between requests, a function returning
|
| 41 |
+
the connection to be used, and the timeout per request
|
| 42 |
+
"""
|
| 43 |
+
# Thread is an old-style class so we can't super()
|
| 44 |
+
Thread.__init__(self, name='monitor_reporter')
|
| 45 |
+
|
| 46 |
+
initialize_registry(insights_registry)
|
| 47 |
+
|
| 48 |
+
self._interval, self._session = interval_sec, session
|
| 49 |
+
|
| 50 |
+
self._shutdown_event = Event()
|
| 51 |
+
self.daemon = True
|
| 52 |
+
self.start()
|
| 53 |
+
|
| 54 |
+
def run(self):
|
| 55 |
+
self._send_via_rpc(self._get_startup_data())
|
| 56 |
+
|
| 57 |
+
# introduce some jitter -- send up to 1/10 of _interval early
|
| 58 |
+
self._shutdown_event.wait(self._interval * random.uniform(.9, 1))
|
| 59 |
+
|
| 60 |
+
while not self._shutdown_event.is_set():
|
| 61 |
+
start_time = time.time()
|
| 62 |
+
|
| 63 |
+
self._send_via_rpc(self._get_status_data())
|
| 64 |
+
|
| 65 |
+
elapsed = time.time() - start_time
|
| 66 |
+
self._shutdown_event.wait(max(self._interval - elapsed, 0.01))
|
| 67 |
+
|
| 68 |
+
# TODO: redundant with ConnectionHeartbeat.ShutdownException
|
| 69 |
+
class ShutDownException(Exception):
|
| 70 |
+
pass
|
| 71 |
+
|
| 72 |
+
def _send_via_rpc(self, data):
|
| 73 |
+
try:
|
| 74 |
+
self._session.execute(
|
| 75 |
+
"CALL InsightsRpc.reportInsight(%s)", (json.dumps(data),)
|
| 76 |
+
)
|
| 77 |
+
log.debug('Insights RPC data: {}'.format(data))
|
| 78 |
+
except Exception as e:
|
| 79 |
+
log.debug('Insights RPC send failed with {}'.format(e))
|
| 80 |
+
log.debug('Insights RPC data: {}'.format(data))
|
| 81 |
+
|
| 82 |
+
def _get_status_data(self):
|
| 83 |
+
cc = self._session.cluster.control_connection
|
| 84 |
+
|
| 85 |
+
connected_nodes = {
|
| 86 |
+
host.address: {
|
| 87 |
+
'connections': state['open_count'],
|
| 88 |
+
'inFlightQueries': state['in_flights']
|
| 89 |
+
}
|
| 90 |
+
for (host, state) in self._session.get_pool_state().items()
|
| 91 |
+
}
|
| 92 |
+
|
| 93 |
+
return {
|
| 94 |
+
'metadata': {
|
| 95 |
+
# shared across drivers; never change
|
| 96 |
+
'name': 'driver.status',
|
| 97 |
+
# format version
|
| 98 |
+
'insightMappingId': 'v1',
|
| 99 |
+
'insightType': 'EVENT',
|
| 100 |
+
# since epoch
|
| 101 |
+
'timestamp': ms_timestamp_from_datetime(datetime.datetime.utcnow()),
|
| 102 |
+
'tags': {
|
| 103 |
+
'language': 'python'
|
| 104 |
+
}
|
| 105 |
+
},
|
| 106 |
+
# // 'clientId', 'sessionId' and 'controlConnection' are mandatory
|
| 107 |
+
# // the rest of the properties are optional
|
| 108 |
+
'data': {
|
| 109 |
+
# // 'clientId' must be the same as the one provided in the startup message
|
| 110 |
+
'clientId': str(self._session.cluster.client_id),
|
| 111 |
+
# // 'sessionId' must be the same as the one provided in the startup message
|
| 112 |
+
'sessionId': str(self._session.session_id),
|
| 113 |
+
'controlConnection': cc._connection.host if cc._connection else None,
|
| 114 |
+
'connectedNodes': connected_nodes
|
| 115 |
+
}
|
| 116 |
+
}
|
| 117 |
+
|
| 118 |
+
def _get_startup_data(self):
|
| 119 |
+
cc = self._session.cluster.control_connection
|
| 120 |
+
try:
|
| 121 |
+
local_ipaddr = cc._connection._socket.getsockname()[0]
|
| 122 |
+
except Exception as e:
|
| 123 |
+
local_ipaddr = None
|
| 124 |
+
log.debug('Unable to get local socket addr from {}: {}'.format(cc._connection, e))
|
| 125 |
+
hostname = socket.getfqdn()
|
| 126 |
+
|
| 127 |
+
host_distances_counter = Counter(
|
| 128 |
+
self._session.cluster.profile_manager.distance(host)
|
| 129 |
+
for host in self._session.hosts
|
| 130 |
+
)
|
| 131 |
+
host_distances_dict = {
|
| 132 |
+
'local': host_distances_counter[HostDistance.LOCAL],
|
| 133 |
+
'remote': host_distances_counter[HostDistance.REMOTE],
|
| 134 |
+
'ignored': host_distances_counter[HostDistance.IGNORED]
|
| 135 |
+
}
|
| 136 |
+
|
| 137 |
+
try:
|
| 138 |
+
compression_type = cc._connection._compression_type
|
| 139 |
+
except AttributeError:
|
| 140 |
+
compression_type = 'NONE'
|
| 141 |
+
|
| 142 |
+
cert_validation = None
|
| 143 |
+
try:
|
| 144 |
+
if self._session.cluster.ssl_context:
|
| 145 |
+
if isinstance(self._session.cluster.ssl_context, ssl.SSLContext):
|
| 146 |
+
cert_validation = self._session.cluster.ssl_context.verify_mode == ssl.CERT_REQUIRED
|
| 147 |
+
else: # pyopenssl
|
| 148 |
+
from OpenSSL import SSL
|
| 149 |
+
cert_validation = self._session.cluster.ssl_context.get_verify_mode() != SSL.VERIFY_NONE
|
| 150 |
+
elif self._session.cluster.ssl_options:
|
| 151 |
+
cert_validation = self._session.cluster.ssl_options.get('cert_reqs') == ssl.CERT_REQUIRED
|
| 152 |
+
except Exception as e:
|
| 153 |
+
log.debug('Unable to get the cert validation: {}'.format(e))
|
| 154 |
+
|
| 155 |
+
uname_info = platform.uname()
|
| 156 |
+
|
| 157 |
+
return {
|
| 158 |
+
'metadata': {
|
| 159 |
+
'name': 'driver.startup',
|
| 160 |
+
'insightMappingId': 'v1',
|
| 161 |
+
'insightType': 'EVENT',
|
| 162 |
+
'timestamp': ms_timestamp_from_datetime(datetime.datetime.utcnow()),
|
| 163 |
+
'tags': {
|
| 164 |
+
'language': 'python'
|
| 165 |
+
},
|
| 166 |
+
},
|
| 167 |
+
'data': {
|
| 168 |
+
'driverName': 'DataStax Python Driver',
|
| 169 |
+
'driverVersion': sys.modules['cassandra'].__version__,
|
| 170 |
+
'clientId': str(self._session.cluster.client_id),
|
| 171 |
+
'sessionId': str(self._session.session_id),
|
| 172 |
+
'applicationName': self._session.cluster.application_name or 'python',
|
| 173 |
+
'applicationNameWasGenerated': not self._session.cluster.application_name,
|
| 174 |
+
'applicationVersion': self._session.cluster.application_version,
|
| 175 |
+
'contactPoints': self._session.cluster._endpoint_map_for_insights,
|
| 176 |
+
'dataCenters': list(set(h.datacenter for h in self._session.cluster.metadata.all_hosts()
|
| 177 |
+
if (h.datacenter and
|
| 178 |
+
self._session.cluster.profile_manager.distance(h) == HostDistance.LOCAL))),
|
| 179 |
+
'initialControlConnection': cc._connection.host if cc._connection else None,
|
| 180 |
+
'protocolVersion': self._session.cluster.protocol_version,
|
| 181 |
+
'localAddress': local_ipaddr,
|
| 182 |
+
'hostName': hostname,
|
| 183 |
+
'executionProfiles': insights_registry.serialize(self._session.cluster.profile_manager),
|
| 184 |
+
'configuredConnectionLength': host_distances_dict,
|
| 185 |
+
'heartbeatInterval': self._session.cluster.idle_heartbeat_interval,
|
| 186 |
+
'compression': compression_type.upper() if compression_type else 'NONE',
|
| 187 |
+
'reconnectionPolicy': insights_registry.serialize(self._session.cluster.reconnection_policy),
|
| 188 |
+
'sslConfigured': {
|
| 189 |
+
'enabled': bool(self._session.cluster.ssl_options or self._session.cluster.ssl_context),
|
| 190 |
+
'certValidation': cert_validation
|
| 191 |
+
},
|
| 192 |
+
'authProvider': {
|
| 193 |
+
'type': (self._session.cluster.auth_provider.__class__.__name__
|
| 194 |
+
if self._session.cluster.auth_provider else
|
| 195 |
+
None)
|
| 196 |
+
},
|
| 197 |
+
'otherOptions': {
|
| 198 |
+
},
|
| 199 |
+
'platformInfo': {
|
| 200 |
+
'os': {
|
| 201 |
+
'name': uname_info.system,
|
| 202 |
+
'version': uname_info.release,
|
| 203 |
+
'arch': uname_info.machine
|
| 204 |
+
},
|
| 205 |
+
'cpus': {
|
| 206 |
+
'length': multiprocessing.cpu_count(),
|
| 207 |
+
'model': platform.processor()
|
| 208 |
+
},
|
| 209 |
+
'runtime': {
|
| 210 |
+
'python': sys.version,
|
| 211 |
+
'event_loop': self._session.cluster.connection_class.__name__
|
| 212 |
+
}
|
| 213 |
+
},
|
| 214 |
+
'periodicStatusInterval': self._interval
|
| 215 |
+
}
|
| 216 |
+
}
|
| 217 |
+
|
| 218 |
+
def stop(self):
|
| 219 |
+
log.debug("Shutting down Monitor Reporter")
|
| 220 |
+
self._shutdown_event.set()
|
| 221 |
+
self.join()
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/serializers.py
ADDED
|
@@ -0,0 +1,219 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
|
|
|
|
|
|
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|
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|
|
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|
|
|
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|
|
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|
|
|
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|
|
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|
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|
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|
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|
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|
|
|
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|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
|
| 16 |
+
def initialize_registry(insights_registry):
|
| 17 |
+
# This will be called from the cluster module, so we put all this behavior
|
| 18 |
+
# in a function to avoid circular imports
|
| 19 |
+
|
| 20 |
+
if insights_registry.initialized:
|
| 21 |
+
return False
|
| 22 |
+
|
| 23 |
+
from cassandra import ConsistencyLevel
|
| 24 |
+
from cassandra.cluster import (
|
| 25 |
+
ExecutionProfile, GraphExecutionProfile,
|
| 26 |
+
ProfileManager, ContinuousPagingOptions,
|
| 27 |
+
EXEC_PROFILE_DEFAULT, EXEC_PROFILE_GRAPH_DEFAULT,
|
| 28 |
+
EXEC_PROFILE_GRAPH_ANALYTICS_DEFAULT,
|
| 29 |
+
EXEC_PROFILE_GRAPH_SYSTEM_DEFAULT,
|
| 30 |
+
_NOT_SET
|
| 31 |
+
)
|
| 32 |
+
from cassandra.datastax.graph import GraphOptions
|
| 33 |
+
from cassandra.datastax.insights.registry import insights_registry
|
| 34 |
+
from cassandra.datastax.insights.util import namespace
|
| 35 |
+
from cassandra.policies import (
|
| 36 |
+
RoundRobinPolicy,
|
| 37 |
+
DCAwareRoundRobinPolicy,
|
| 38 |
+
TokenAwarePolicy,
|
| 39 |
+
WhiteListRoundRobinPolicy,
|
| 40 |
+
HostFilterPolicy,
|
| 41 |
+
ConstantReconnectionPolicy,
|
| 42 |
+
ExponentialReconnectionPolicy,
|
| 43 |
+
RetryPolicy,
|
| 44 |
+
SpeculativeExecutionPolicy,
|
| 45 |
+
ConstantSpeculativeExecutionPolicy,
|
| 46 |
+
WrapperPolicy
|
| 47 |
+
)
|
| 48 |
+
|
| 49 |
+
import logging
|
| 50 |
+
|
| 51 |
+
log = logging.getLogger(__name__)
|
| 52 |
+
|
| 53 |
+
@insights_registry.register_serializer_for(RoundRobinPolicy)
|
| 54 |
+
def round_robin_policy_insights_serializer(policy):
|
| 55 |
+
return {'type': policy.__class__.__name__,
|
| 56 |
+
'namespace': namespace(policy.__class__),
|
| 57 |
+
'options': {}}
|
| 58 |
+
|
| 59 |
+
@insights_registry.register_serializer_for(DCAwareRoundRobinPolicy)
|
| 60 |
+
def dc_aware_round_robin_policy_insights_serializer(policy):
|
| 61 |
+
return {'type': policy.__class__.__name__,
|
| 62 |
+
'namespace': namespace(policy.__class__),
|
| 63 |
+
'options': {'local_dc': policy.local_dc,
|
| 64 |
+
'used_hosts_per_remote_dc': policy.used_hosts_per_remote_dc}
|
| 65 |
+
}
|
| 66 |
+
|
| 67 |
+
@insights_registry.register_serializer_for(TokenAwarePolicy)
|
| 68 |
+
def token_aware_policy_insights_serializer(policy):
|
| 69 |
+
return {'type': policy.__class__.__name__,
|
| 70 |
+
'namespace': namespace(policy.__class__),
|
| 71 |
+
'options': {'child_policy': insights_registry.serialize(policy._child_policy,
|
| 72 |
+
policy=True),
|
| 73 |
+
'shuffle_replicas': policy.shuffle_replicas}
|
| 74 |
+
}
|
| 75 |
+
|
| 76 |
+
@insights_registry.register_serializer_for(WhiteListRoundRobinPolicy)
|
| 77 |
+
def whitelist_round_robin_policy_insights_serializer(policy):
|
| 78 |
+
return {'type': policy.__class__.__name__,
|
| 79 |
+
'namespace': namespace(policy.__class__),
|
| 80 |
+
'options': {'allowed_hosts': policy._allowed_hosts}
|
| 81 |
+
}
|
| 82 |
+
|
| 83 |
+
@insights_registry.register_serializer_for(HostFilterPolicy)
|
| 84 |
+
def host_filter_policy_insights_serializer(policy):
|
| 85 |
+
return {
|
| 86 |
+
'type': policy.__class__.__name__,
|
| 87 |
+
'namespace': namespace(policy.__class__),
|
| 88 |
+
'options': {'child_policy': insights_registry.serialize(policy._child_policy,
|
| 89 |
+
policy=True),
|
| 90 |
+
'predicate': policy.predicate.__name__}
|
| 91 |
+
}
|
| 92 |
+
|
| 93 |
+
@insights_registry.register_serializer_for(ConstantReconnectionPolicy)
|
| 94 |
+
def constant_reconnection_policy_insights_serializer(policy):
|
| 95 |
+
return {'type': policy.__class__.__name__,
|
| 96 |
+
'namespace': namespace(policy.__class__),
|
| 97 |
+
'options': {'delay': policy.delay,
|
| 98 |
+
'max_attempts': policy.max_attempts}
|
| 99 |
+
}
|
| 100 |
+
|
| 101 |
+
@insights_registry.register_serializer_for(ExponentialReconnectionPolicy)
|
| 102 |
+
def exponential_reconnection_policy_insights_serializer(policy):
|
| 103 |
+
return {'type': policy.__class__.__name__,
|
| 104 |
+
'namespace': namespace(policy.__class__),
|
| 105 |
+
'options': {'base_delay': policy.base_delay,
|
| 106 |
+
'max_delay': policy.max_delay,
|
| 107 |
+
'max_attempts': policy.max_attempts}
|
| 108 |
+
}
|
| 109 |
+
|
| 110 |
+
@insights_registry.register_serializer_for(RetryPolicy)
|
| 111 |
+
def retry_policy_insights_serializer(policy):
|
| 112 |
+
return {'type': policy.__class__.__name__,
|
| 113 |
+
'namespace': namespace(policy.__class__),
|
| 114 |
+
'options': {}}
|
| 115 |
+
|
| 116 |
+
@insights_registry.register_serializer_for(SpeculativeExecutionPolicy)
|
| 117 |
+
def speculative_execution_policy_insights_serializer(policy):
|
| 118 |
+
return {'type': policy.__class__.__name__,
|
| 119 |
+
'namespace': namespace(policy.__class__),
|
| 120 |
+
'options': {}}
|
| 121 |
+
|
| 122 |
+
@insights_registry.register_serializer_for(ConstantSpeculativeExecutionPolicy)
|
| 123 |
+
def constant_speculative_execution_policy_insights_serializer(policy):
|
| 124 |
+
return {'type': policy.__class__.__name__,
|
| 125 |
+
'namespace': namespace(policy.__class__),
|
| 126 |
+
'options': {'delay': policy.delay,
|
| 127 |
+
'max_attempts': policy.max_attempts}
|
| 128 |
+
}
|
| 129 |
+
|
| 130 |
+
@insights_registry.register_serializer_for(WrapperPolicy)
|
| 131 |
+
def wrapper_policy_insights_serializer(policy):
|
| 132 |
+
return {'type': policy.__class__.__name__,
|
| 133 |
+
'namespace': namespace(policy.__class__),
|
| 134 |
+
'options': {
|
| 135 |
+
'child_policy': insights_registry.serialize(policy._child_policy,
|
| 136 |
+
policy=True)
|
| 137 |
+
}}
|
| 138 |
+
|
| 139 |
+
@insights_registry.register_serializer_for(ExecutionProfile)
|
| 140 |
+
def execution_profile_insights_serializer(profile):
|
| 141 |
+
return {
|
| 142 |
+
'loadBalancing': insights_registry.serialize(profile.load_balancing_policy,
|
| 143 |
+
policy=True),
|
| 144 |
+
'retry': insights_registry.serialize(profile.retry_policy,
|
| 145 |
+
policy=True),
|
| 146 |
+
'readTimeout': profile.request_timeout,
|
| 147 |
+
'consistency': ConsistencyLevel.value_to_name.get(profile.consistency_level, None),
|
| 148 |
+
'serialConsistency': ConsistencyLevel.value_to_name.get(profile.serial_consistency_level, None),
|
| 149 |
+
'continuousPagingOptions': (insights_registry.serialize(profile.continuous_paging_options)
|
| 150 |
+
if (profile.continuous_paging_options is not None and
|
| 151 |
+
profile.continuous_paging_options is not _NOT_SET) else
|
| 152 |
+
None),
|
| 153 |
+
'speculativeExecution': insights_registry.serialize(profile.speculative_execution_policy),
|
| 154 |
+
'graphOptions': None
|
| 155 |
+
}
|
| 156 |
+
|
| 157 |
+
@insights_registry.register_serializer_for(GraphExecutionProfile)
|
| 158 |
+
def graph_execution_profile_insights_serializer(profile):
|
| 159 |
+
rv = insights_registry.serialize(profile, cls=ExecutionProfile)
|
| 160 |
+
rv['graphOptions'] = insights_registry.serialize(profile.graph_options)
|
| 161 |
+
return rv
|
| 162 |
+
|
| 163 |
+
_EXEC_PROFILE_DEFAULT_KEYS = (EXEC_PROFILE_DEFAULT,
|
| 164 |
+
EXEC_PROFILE_GRAPH_DEFAULT,
|
| 165 |
+
EXEC_PROFILE_GRAPH_SYSTEM_DEFAULT,
|
| 166 |
+
EXEC_PROFILE_GRAPH_ANALYTICS_DEFAULT)
|
| 167 |
+
|
| 168 |
+
@insights_registry.register_serializer_for(ProfileManager)
|
| 169 |
+
def profile_manager_insights_serializer(manager):
|
| 170 |
+
defaults = {
|
| 171 |
+
# Insights's expected default
|
| 172 |
+
'default': insights_registry.serialize(manager.profiles[EXEC_PROFILE_DEFAULT]),
|
| 173 |
+
# remaining named defaults for driver's defaults, including duplicated default
|
| 174 |
+
'EXEC_PROFILE_DEFAULT': insights_registry.serialize(manager.profiles[EXEC_PROFILE_DEFAULT]),
|
| 175 |
+
'EXEC_PROFILE_GRAPH_DEFAULT': insights_registry.serialize(manager.profiles[EXEC_PROFILE_GRAPH_DEFAULT]),
|
| 176 |
+
'EXEC_PROFILE_GRAPH_SYSTEM_DEFAULT': insights_registry.serialize(
|
| 177 |
+
manager.profiles[EXEC_PROFILE_GRAPH_SYSTEM_DEFAULT]
|
| 178 |
+
),
|
| 179 |
+
'EXEC_PROFILE_GRAPH_ANALYTICS_DEFAULT': insights_registry.serialize(
|
| 180 |
+
manager.profiles[EXEC_PROFILE_GRAPH_ANALYTICS_DEFAULT]
|
| 181 |
+
)
|
| 182 |
+
}
|
| 183 |
+
other = {
|
| 184 |
+
key: insights_registry.serialize(value)
|
| 185 |
+
for key, value in manager.profiles.items()
|
| 186 |
+
if key not in _EXEC_PROFILE_DEFAULT_KEYS
|
| 187 |
+
}
|
| 188 |
+
overlapping_keys = set(defaults) & set(other)
|
| 189 |
+
if overlapping_keys:
|
| 190 |
+
log.debug('The following key names overlap default key sentinel keys '
|
| 191 |
+
'and these non-default EPs will not be displayed in Insights '
|
| 192 |
+
': {}'.format(list(overlapping_keys)))
|
| 193 |
+
|
| 194 |
+
other.update(defaults)
|
| 195 |
+
return other
|
| 196 |
+
|
| 197 |
+
@insights_registry.register_serializer_for(GraphOptions)
|
| 198 |
+
def graph_options_insights_serializer(options):
|
| 199 |
+
rv = {
|
| 200 |
+
'source': options.graph_source,
|
| 201 |
+
'language': options.graph_language,
|
| 202 |
+
'graphProtocol': options.graph_protocol
|
| 203 |
+
}
|
| 204 |
+
updates = {k: v.decode('utf-8') for k, v in rv.items()
|
| 205 |
+
if isinstance(v, bytes)}
|
| 206 |
+
rv.update(updates)
|
| 207 |
+
return rv
|
| 208 |
+
|
| 209 |
+
@insights_registry.register_serializer_for(ContinuousPagingOptions)
|
| 210 |
+
def continuous_paging_options_insights_serializer(paging_options):
|
| 211 |
+
return {
|
| 212 |
+
'page_unit': paging_options.page_unit,
|
| 213 |
+
'max_pages': paging_options.max_pages,
|
| 214 |
+
'max_pages_per_second': paging_options.max_pages_per_second,
|
| 215 |
+
'max_queue_size': paging_options.max_queue_size
|
| 216 |
+
}
|
| 217 |
+
|
| 218 |
+
insights_registry.initialized = True
|
| 219 |
+
return True
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/datastax/insights/util.py
ADDED
|
@@ -0,0 +1,75 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
# Copyright DataStax, Inc.
|
| 2 |
+
#
|
| 3 |
+
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
+
# you may not use this file except in compliance with the License.
|
| 5 |
+
# You may obtain a copy of the License at
|
| 6 |
+
#
|
| 7 |
+
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
+
#
|
| 9 |
+
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
+
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
+
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
+
# See the License for the specific language governing permissions and
|
| 13 |
+
# limitations under the License.
|
| 14 |
+
|
| 15 |
+
import logging
|
| 16 |
+
import traceback
|
| 17 |
+
from warnings import warn
|
| 18 |
+
|
| 19 |
+
from cassandra.util import Version
|
| 20 |
+
|
| 21 |
+
|
| 22 |
+
DSE_60 = Version('6.0.0')
|
| 23 |
+
DSE_51_MIN_SUPPORTED = Version('5.1.13')
|
| 24 |
+
DSE_60_MIN_SUPPORTED = Version('6.0.5')
|
| 25 |
+
|
| 26 |
+
|
| 27 |
+
log = logging.getLogger(__name__)
|
| 28 |
+
|
| 29 |
+
|
| 30 |
+
def namespace(cls):
|
| 31 |
+
"""
|
| 32 |
+
Best-effort method for getting the namespace in which a class is defined.
|
| 33 |
+
"""
|
| 34 |
+
try:
|
| 35 |
+
# __module__ can be None
|
| 36 |
+
module = cls.__module__ or ''
|
| 37 |
+
except Exception:
|
| 38 |
+
warn("Unable to obtain namespace for {cls} for Insights, returning ''. "
|
| 39 |
+
"Exception: \n{e}".format(e=traceback.format_exc(), cls=cls))
|
| 40 |
+
module = ''
|
| 41 |
+
|
| 42 |
+
module_internal_namespace = _module_internal_namespace_or_emtpy_string(cls)
|
| 43 |
+
if module_internal_namespace:
|
| 44 |
+
return '.'.join((module, module_internal_namespace))
|
| 45 |
+
return module
|
| 46 |
+
|
| 47 |
+
|
| 48 |
+
def _module_internal_namespace_or_emtpy_string(cls):
|
| 49 |
+
"""
|
| 50 |
+
Best-effort method for getting the module-internal namespace in which a
|
| 51 |
+
class is defined -- i.e. the namespace _inside_ the module.
|
| 52 |
+
"""
|
| 53 |
+
try:
|
| 54 |
+
qualname = cls.__qualname__
|
| 55 |
+
except AttributeError:
|
| 56 |
+
return ''
|
| 57 |
+
|
| 58 |
+
return '.'.join(
|
| 59 |
+
# the last segment is the name of the class -- use everything else
|
| 60 |
+
qualname.split('.')[:-1]
|
| 61 |
+
)
|
| 62 |
+
|
| 63 |
+
|
| 64 |
+
def version_supports_insights(dse_version):
|
| 65 |
+
if dse_version:
|
| 66 |
+
try:
|
| 67 |
+
dse_version = Version(dse_version)
|
| 68 |
+
return (DSE_51_MIN_SUPPORTED <= dse_version < DSE_60
|
| 69 |
+
or
|
| 70 |
+
DSE_60_MIN_SUPPORTED <= dse_version)
|
| 71 |
+
except Exception:
|
| 72 |
+
warn("Unable to check version {v} for Insights compatibility, returning False. "
|
| 73 |
+
"Exception: \n{e}".format(e=traceback.format_exc(), v=dse_version))
|
| 74 |
+
|
| 75 |
+
return False
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/io/__pycache__/__init__.cpython-312.pyc
ADDED
|
Binary file (191 Bytes). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/io/__pycache__/asyncioreactor.cpython-312.pyc
ADDED
|
Binary file (11.8 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/io/__pycache__/asyncorereactor.cpython-312.pyc
ADDED
|
Binary file (23.5 kB). View file
|
|
|
platform/dataops/dto/.venv/lib/python3.12/site-packages/cassandra/io/__pycache__/eventletreactor.cpython-312.pyc
ADDED
|
Binary file (10.5 kB). View file
|
|
|