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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 typing import ( # pylint: disable=unused-import
Any, Dict, Optional, Tuple, Union,
TYPE_CHECKING)
try:
from urllib.parse import quote
except ImportError:
from urllib2 import quote # type: ignore
from azure.core import MatchConditions
from ._models import (
ContainerEncryptionScope,
DelimitedJsonDialect)
from ._generated.models import (
ModifiedAccessConditions,
SourceModifiedAccessConditions,
CpkScopeInfo,
ContainerCpkScopeInfo,
QueryFormat,
QuerySerialization,
DelimitedTextConfiguration,
JsonTextConfiguration,
ArrowConfiguration,
QueryFormatType,
BlobTag,
BlobTags, LeaseAccessConditions
)
if TYPE_CHECKING:
from ._lease import BlobLeaseClient
_SUPPORTED_API_VERSIONS = [
'2019-02-02',
'2019-07-07',
'2019-10-10',
'2019-12-12',
'2020-02-10',
'2020-04-08',
'2020-06-12',
'2020-08-04',
'2020-10-02',
'2020-12-06',
'2021-02-12',
'2021-04-10',
'2021-06-08',
'2021-08-06'
]
def _get_match_headers(kwargs, match_param, etag_param):
# type: (Dict[str, Any], str, 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 kwargs.get(etag_param):
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_access_conditions(lease):
# type: (Optional[Union[BlobLeaseClient, str]]) -> Union[LeaseAccessConditions, None]
try:
lease_id = lease.id # type: ignore
except AttributeError:
lease_id = lease # type: ignore
return LeaseAccessConditions(lease_id=lease_id) if lease_id else None
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),
if_tags=kwargs.pop('if_tags_match_condition', 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),
source_if_tags=kwargs.pop('source_if_tags_match_condition', None)
)
def get_cpk_scope_info(kwargs):
# type: (Dict[str, Any]) -> CpkScopeInfo
if 'encryption_scope' in kwargs:
return CpkScopeInfo(encryption_scope=kwargs.pop('encryption_scope'))
return None
def get_container_cpk_scope_info(kwargs):
# type: (Dict[str, Any]) -> ContainerCpkScopeInfo
encryption_scope = kwargs.pop('container_encryption_scope', None)
if encryption_scope:
if isinstance(encryption_scope, ContainerEncryptionScope):
return ContainerCpkScopeInfo(
default_encryption_scope=encryption_scope.default_encryption_scope,
prevent_encryption_scope_override=encryption_scope.prevent_encryption_scope_override
)
if isinstance(encryption_scope, dict):
return ContainerCpkScopeInfo(
default_encryption_scope=encryption_scope['default_encryption_scope'],
prevent_encryption_scope_override=encryption_scope.get('prevent_encryption_scope_override')
)
raise TypeError("Container encryption scope must be dict or type ContainerEncryptionScope.")
return None
def get_api_version(kwargs):
# type: (Dict[str, Any]) -> str
api_version = kwargs.get('api_version', None)
if api_version and api_version not in _SUPPORTED_API_VERSIONS:
versions = '\n'.join(_SUPPORTED_API_VERSIONS)
raise ValueError("Unsupported API version '{}'. Please select from:\n{}".format(api_version, versions))
return api_version or _SUPPORTED_API_VERSIONS[-1]
def serialize_blob_tags_header(tags=None):
# type: (Optional[Dict[str, str]]) -> str
if tags is None:
return None
components = list()
if tags:
for key, value in tags.items():
components.append(quote(key, safe='.-'))
components.append('=')
components.append(quote(value, safe='.-'))
components.append('&')
if components:
del components[-1]
return ''.join(components)
def serialize_blob_tags(tags=None):
# type: (Optional[Dict[str, str]]) -> Union[BlobTags, None]
tag_list = list()
if tags:
tag_list = [BlobTag(key=k, value=v) for k, v in tags.items()]
return BlobTags(blob_tag_set=tag_list)
def serialize_query_format(formater):
if formater == "ParquetDialect":
qq_format = QueryFormat(
type=QueryFormatType.PARQUET,
parquet_text_configuration=' '
)
elif isinstance(formater, DelimitedJsonDialect):
serialization_settings = JsonTextConfiguration(
record_separator=formater.delimiter
)
qq_format = QueryFormat(
type=QueryFormatType.json,
json_text_configuration=serialization_settings)
elif hasattr(formater, 'quotechar'): # This supports a csv.Dialect as well
try:
headers = formater.has_header
except AttributeError:
headers = False
serialization_settings = DelimitedTextConfiguration(
column_separator=formater.delimiter,
field_quote=formater.quotechar,
record_separator=formater.lineterminator,
escape_char=formater.escapechar,
headers_present=headers
)
qq_format = QueryFormat(
type=QueryFormatType.delimited,
delimited_text_configuration=serialization_settings
)
elif isinstance(formater, list):
serialization_settings = ArrowConfiguration(
schema=formater
)
qq_format = QueryFormat(
type=QueryFormatType.arrow,
arrow_configuration=serialization_settings)
elif not formater:
return None
else:
raise TypeError("Format must be DelimitedTextDialect or DelimitedJsonDialect or ParquetDialect.")
return QuerySerialization(format=qq_format)
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