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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
# pylint: disable=no-self-use
from azure.core import MatchConditions
from ._generated.models import ModifiedAccessConditions, SourceModifiedAccessConditions
def _get_match_headers(kwargs, match_param, etag_param):
# type: (str) -> Tuple(Dict[str, Any], Optional[str], Optional[str])
if_match = None
if_none_match = None
match_condition = kwargs.pop(match_param, None)
if match_condition == MatchConditions.IfNotModified:
if_match = kwargs.pop(etag_param, None)
if not if_match:
raise ValueError("'{}' specified without '{}'.".format(match_param, etag_param))
elif match_condition == MatchConditions.IfPresent:
if_match = '*'
elif match_condition == MatchConditions.IfModified:
if_none_match = kwargs.pop(etag_param, None)
if not if_none_match:
raise ValueError("'{}' specified without '{}'.".format(match_param, etag_param))
elif match_condition == MatchConditions.IfMissing:
if_none_match = '*'
elif match_condition is None:
if etag_param in kwargs:
raise ValueError("'{}' specified without '{}'.".format(etag_param, match_param))
else:
raise TypeError("Invalid match condition: {}".format(match_condition))
return if_match, if_none_match
def get_modify_conditions(kwargs):
# type: (Dict[str, Any]) -> ModifiedAccessConditions
if_match, if_none_match = _get_match_headers(kwargs, 'match_condition', 'etag')
return ModifiedAccessConditions(
if_modified_since=kwargs.pop('if_modified_since', None),
if_unmodified_since=kwargs.pop('if_unmodified_since', None),
if_match=if_match or kwargs.pop('if_match', None),
if_none_match=if_none_match or kwargs.pop('if_none_match', None)
)
def get_source_conditions(kwargs):
# type: (Dict[str, Any]) -> SourceModifiedAccessConditions
if_match, if_none_match = _get_match_headers(kwargs, 'source_match_condition', 'source_etag')
return SourceModifiedAccessConditions(
source_if_modified_since=kwargs.pop('source_if_modified_since', None),
source_if_unmodified_since=kwargs.pop('source_if_unmodified_since', None),
source_if_match=if_match or kwargs.pop('source_if_match', None),
source_if_none_match=if_none_match or kwargs.pop('source_if_none_match', None)
)
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