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opensearch-pyd/elasticsearch/client/text_structure.py
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2021-01-13 14:21:04 -06:00

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Python

# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. 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 .utils import SKIP_IN_PATH, NamespacedClient, _bulk_body, query_params
class TextStructureClient(NamespacedClient):
@query_params(
"charset",
"column_names",
"delimiter",
"explain",
"format",
"grok_pattern",
"has_header_row",
"line_merge_size_limit",
"lines_to_sample",
"quote",
"should_trim_fields",
"timeout",
"timestamp_field",
"timestamp_format",
)
def find_structure(self, body, params=None, headers=None):
"""
Finds the structure of a text file. The text file must contain data that is
suitable to be ingested into Elasticsearch.
`<https://www.elastic.co/guide/en/elasticsearch/reference/7.x/ml-find-file-structure.html>`_
.. warning::
This API is **experimental** so may include breaking changes
or be removed in a future version
:arg body: The contents of the file to be analyzed
:arg charset: Optional parameter to specify the character set of
the file
:arg column_names: Optional parameter containing a comma
separated list of the column names for a delimited file
:arg delimiter: Optional parameter to specify the delimiter
character for a delimited file - must be a single character
:arg explain: Whether to include a commentary on how the
structure was derived
:arg format: Optional parameter to specify the high level file
format Valid choices: ndjson, xml, delimited, semi_structured_text
:arg grok_pattern: Optional parameter to specify the Grok
pattern that should be used to extract fields from messages in a semi-
structured text file
:arg has_header_row: Optional parameter to specify whether a
delimited file includes the column names in its first row
:arg line_merge_size_limit: Maximum number of characters
permitted in a single message when lines are merged to create messages.
Default: 10000
:arg lines_to_sample: How many lines of the file should be
included in the analysis Default: 1000
:arg quote: Optional parameter to specify the quote character
for a delimited file - must be a single character
:arg should_trim_fields: Optional parameter to specify whether
the values between delimiters in a delimited file should have whitespace
trimmed from them
:arg timeout: Timeout after which the analysis will be aborted
Default: 25s
:arg timestamp_field: Optional parameter to specify the
timestamp field in the file
:arg timestamp_format: Optional parameter to specify the
timestamp format in the file - may be either a Joda or Java time format
"""
if body in SKIP_IN_PATH:
raise ValueError("Empty value passed for a required argument 'body'.")
body = _bulk_body(self.transport.serializer, body)
return self.transport.perform_request(
"POST",
"/_text_structure/find_structure",
params=params,
headers=headers,
body=body,
)