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Copy pathoptions.py
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122 lines (99 loc) · 3.35 KB
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# -*- coding: utf-8 -*-
# MinIO Python Library for Amazon S3 Compatible Cloud Storage, (C)
# 2019 MinIO, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
minio.select.options
~~~~~~~~~~~~~~~
This module implements the SelectOption definition for SelectObject API.
:copyright: (c) 2019 by MinIO, Inc.
:license: Apache 2.0, see LICENSE for more details.
"""
from .helpers import (SQL)
class CSVInput:
"""
CSVInput: Input Format as CSV.
"""
def __init__(self, FileHeaderInfo=None, RecordDelimiter="\n",
FieldDelimiter=",", QuoteCharacter='"',
QuoteEscapeCharacter='"', Comments="#",
AllowQuotedRecordDelimiter=False):
self.FileHeaderInfo = FileHeaderInfo
self.RecordDelimiter = RecordDelimiter
self.FieldDelimiter = FieldDelimiter
self.QuoteCharacter = QuoteCharacter
self.QuoteEscapeCharacter = QuoteEscapeCharacter
self.Comments = Comments
self.AllowQuotedRecordDelimiter = AllowQuotedRecordDelimiter
class JSONInput:
"""
JSONInput: Input format as JSON.
"""
def __init__(self, Type=None):
self.Type = Type
class ParquetInput:
"""
ParquetInput: Input format as Parquet
"""
class InputSerialization:
"""
InputSerialization: nput Format.
"""
def __init__(self, compression_type="NONE", csv=None, json=None, par=None):
self.compression_type = compression_type
self.csv_input = csv
self.json_input = json
self.parquet_input = par
class CSVOutput:
"""
CSVOutput: Output as CSV.
"""
def __init__(self, QuoteFields="ASNEEDED", RecordDelimiter="\n",
FieldDelimiter=",", QuoteCharacter='"',
QuoteEscapeCharacter='"'):
self.QuoteFields = QuoteFields
self.RecordDelimiter = RecordDelimiter
self.FieldDelimiter = FieldDelimiter
self.QuoteCharacter = QuoteCharacter
self.QuoteEscapeCharacter = QuoteEscapeCharacter
class JsonOutput:
"""
JsonOutput- Output as JSON.
"""
def __init__(self, RecordDelimiter="\n"):
self.RecordDelimiter = RecordDelimiter
class OutputSerialization:
"""
OutputSerialization: Output Format.
"""
def __init__(self, csv=None, json=None):
self.csv_output = csv
self.json_output = json
class RequestProgress:
"""
RequestProgress: Sends progress message.
"""
def __init__(self, enabled=False):
self.enabled = enabled
class SelectObjectOptions:
"""
SelectObjectOptions: Options for select object
"""
expression_type = SQL
def __init__(self, expression, input_serialization,
output_serialization, request_progress):
self.expression = expression
self.in_ser = input_serialization
self.out_ser = output_serialization
self.req_progress = request_progress