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conf.py
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conf.py
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#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from typing import Any, Optional, Union, cast
import warnings
from pyspark import _NoValue
from pyspark._globals import _NoValueType
from pyspark.sql.conf import RuntimeConfig as PySparkRuntimeConfig
from pyspark.sql.connect import proto
from pyspark.sql.connect.client import SparkConnectClient
class RuntimeConf:
def __init__(self, client: SparkConnectClient) -> None:
"""Create a new RuntimeConfig."""
self._client = client
__init__.__doc__ = PySparkRuntimeConfig.__init__.__doc__
def set(self, key: str, value: Union[str, int, bool]) -> None:
if isinstance(value, bool):
value = "true" if value else "false"
elif isinstance(value, int):
value = str(value)
op_set = proto.ConfigRequest.Set(pairs=[proto.KeyValue(key=key, value=value)])
operation = proto.ConfigRequest.Operation(set=op_set)
result = self._client.config(operation)
for warn in result.warnings:
warnings.warn(warn)
set.__doc__ = PySparkRuntimeConfig.set.__doc__
def get(
self, key: str, default: Union[Optional[str], _NoValueType] = _NoValue
) -> Optional[str]:
self._checkType(key, "key")
if default is _NoValue:
op_get = proto.ConfigRequest.Get(keys=[key])
operation = proto.ConfigRequest.Operation(get=op_get)
else:
if default is not None:
self._checkType(default, "default")
op_get_with_default = proto.ConfigRequest.GetWithDefault(
pairs=[proto.KeyValue(key=key, value=cast(Optional[str], default))]
)
operation = proto.ConfigRequest.Operation(get_with_default=op_get_with_default)
result = self._client.config(operation)
return result.pairs[0][1]
get.__doc__ = PySparkRuntimeConfig.get.__doc__
def unset(self, key: str) -> None:
op_unset = proto.ConfigRequest.Unset(keys=[key])
operation = proto.ConfigRequest.Operation(unset=op_unset)
result = self._client.config(operation)
for warn in result.warnings:
warnings.warn(warn)
unset.__doc__ = PySparkRuntimeConfig.unset.__doc__
def isModifiable(self, key: str) -> bool:
op_is_modifiable = proto.ConfigRequest.IsModifiable(keys=[key])
operation = proto.ConfigRequest.Operation(is_modifiable=op_is_modifiable)
result = self._client.config(operation)
if result.pairs[0][1] == "true":
return True
elif result.pairs[0][1] == "false":
return False
else:
raise ValueError(f"Unknown boolean value: {result.pairs[0][1]}")
isModifiable.__doc__ = PySparkRuntimeConfig.isModifiable.__doc__
def _checkType(self, obj: Any, identifier: str) -> None:
"""Assert that an object is of type str."""
if not isinstance(obj, str):
raise TypeError(
"expected %s '%s' to be a string (was '%s')" % (identifier, obj, type(obj).__name__)
)
RuntimeConf.__doc__ = PySparkRuntimeConfig.__doc__
def _test() -> None:
import sys
import doctest
from pyspark.sql import SparkSession as PySparkSession
import pyspark.sql.connect.conf
globs = pyspark.sql.connect.conf.__dict__.copy()
globs["spark"] = (
PySparkSession.builder.appName("sql.connect.conf tests").remote("local[4]").getOrCreate()
)
(failure_count, test_count) = doctest.testmod(
pyspark.sql.connect.conf,
globs=globs,
optionflags=doctest.ELLIPSIS
| doctest.NORMALIZE_WHITESPACE
| doctest.IGNORE_EXCEPTION_DETAIL,
)
globs["spark"].stop()
if failure_count:
sys.exit(-1)
if __name__ == "__main__":
_test()