File: _deserialize.py

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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
    Tuple, Dict, List,
    TYPE_CHECKING
)

from ._models import BlobType, CopyProperties, ContentSettings, LeaseProperties, BlobProperties
from ._shared.models import get_enum_value

from ._shared.response_handlers import deserialize_metadata
from ._models import ContainerProperties, BlobAnalyticsLogging, Metrics, CorsRule, RetentionPolicy, \
    StaticWebsite, ObjectReplicationPolicy, ObjectReplicationRule

if TYPE_CHECKING:
    from ._generated.models import PageList


def deserialize_blob_properties(response, obj, headers):
    blob_properties = BlobProperties(
        metadata=deserialize_metadata(response, obj, headers),
        object_replication_source_properties=deserialize_ors_policies(response.headers),
        **headers
    )
    if 'Content-Range' in headers:
        if 'x-ms-blob-content-md5' in headers:
            blob_properties.content_settings.content_md5 = headers['x-ms-blob-content-md5']
        else:
            blob_properties.content_settings.content_md5 = None
    return blob_properties


def deserialize_ors_policies(policy_dictionary):

    if policy_dictionary is None:
        return None
    # For source blobs (blobs that have policy ids and rule ids applied to them),
    # the header will be formatted as "x-ms-or-<policy_id>_<rule_id>: {Complete, Failed}".
    # The value of this header is the status of the replication.
    or_policy_status_headers = {key: val for key, val in policy_dictionary.items()
                                if 'or-' in key and key != 'x-ms-or-policy-id'}

    parsed_result = {}

    for key, val in or_policy_status_headers.items():
        # list blobs gives or-policy_rule and get blob properties gives x-ms-or-policy_rule
        policy_and_rule_ids = key.split('or-')[1].split('_')
        policy_id = policy_and_rule_ids[0]
        rule_id = policy_and_rule_ids[1]

        # If we are seeing this policy for the first time, create a new list to store rule_id -> result
        parsed_result[policy_id] = parsed_result.get(policy_id) or list()
        parsed_result[policy_id].append(ObjectReplicationRule(rule_id=rule_id, status=val))

    result_list = [ObjectReplicationPolicy(policy_id=k, rules=v) for k, v in parsed_result.items()]

    return result_list


def deserialize_blob_stream(response, obj, headers):
    blob_properties = deserialize_blob_properties(response, obj, headers)
    obj.properties = blob_properties
    return response.location_mode, obj


def deserialize_container_properties(response, obj, headers):
    metadata = deserialize_metadata(response, obj, headers)
    container_properties = ContainerProperties(
        metadata=metadata,
        **headers
    )
    return container_properties


def get_page_ranges_result(ranges):
    # type: (PageList) -> Tuple[List[Dict[str, int]], List[Dict[str, int]]]
    page_range = []  # type: ignore
    clear_range = []  # type: List
    if ranges.page_range:
        page_range = [{'start': b.start, 'end': b.end} for b in ranges.page_range]  # type: ignore
    if ranges.clear_range:
        clear_range = [{'start': b.start, 'end': b.end} for b in ranges.clear_range]
    return page_range, clear_range  # type: ignore


def service_stats_deserialize(generated):
    """Deserialize a ServiceStats objects into a dict.
    """
    return {
        'geo_replication': {
            'status': generated.geo_replication.status,
            'last_sync_time': generated.geo_replication.last_sync_time,
        }
    }


def service_properties_deserialize(generated):
    """Deserialize a ServiceProperties objects into a dict.
    """
    return {
        'analytics_logging': BlobAnalyticsLogging._from_generated(generated.logging),  # pylint: disable=protected-access
        'hour_metrics': Metrics._from_generated(generated.hour_metrics),  # pylint: disable=protected-access
        'minute_metrics': Metrics._from_generated(generated.minute_metrics),  # pylint: disable=protected-access
        'cors': [CorsRule._from_generated(cors) for cors in generated.cors],  # pylint: disable=protected-access
        'target_version': generated.default_service_version,  # pylint: disable=protected-access
        'delete_retention_policy': RetentionPolicy._from_generated(generated.delete_retention_policy),  # pylint: disable=protected-access
        'static_website': StaticWebsite._from_generated(generated.static_website),  # pylint: disable=protected-access
    }


def get_blob_properties_from_generated_code(generated):
    blob = BlobProperties()
    blob.name = generated.name
    blob_type = get_enum_value(generated.properties.blob_type)
    blob.blob_type = BlobType(blob_type) if blob_type else None
    blob.etag = generated.properties.etag
    blob.deleted = generated.deleted
    blob.snapshot = generated.snapshot
    blob.is_append_blob_sealed = generated.properties.is_sealed
    blob.metadata = generated.metadata.additional_properties if generated.metadata else {}
    blob.encrypted_metadata = generated.metadata.encrypted if generated.metadata else None
    blob.lease = LeaseProperties._from_generated(generated)  # pylint: disable=protected-access
    blob.copy = CopyProperties._from_generated(generated)  # pylint: disable=protected-access
    blob.last_modified = generated.properties.last_modified
    blob.creation_time = generated.properties.creation_time
    blob.content_settings = ContentSettings._from_generated(generated)  # pylint: disable=protected-access
    blob.size = generated.properties.content_length
    blob.page_blob_sequence_number = generated.properties.blob_sequence_number
    blob.server_encrypted = generated.properties.server_encrypted
    blob.encryption_scope = generated.properties.encryption_scope
    blob.deleted_time = generated.properties.deleted_time
    blob.remaining_retention_days = generated.properties.remaining_retention_days
    blob.blob_tier = generated.properties.access_tier
    blob.rehydrate_priority = generated.properties.rehydrate_priority
    blob.blob_tier_inferred = generated.properties.access_tier_inferred
    blob.archive_status = generated.properties.archive_status
    blob.blob_tier_change_time = generated.properties.access_tier_change_time
    blob.version_id = generated.version_id
    blob.is_current_version = generated.is_current_version
    blob.tag_count = generated.properties.tag_count
    blob.tags = parse_tags(generated.blob_tags)  # pylint: disable=protected-access
    blob.object_replication_source_properties = deserialize_ors_policies(generated.object_replication_metadata)
    blob.last_accessed_on = generated.properties.last_accessed_on
    return blob


def parse_tags(generated_tags):
    # type: (Optional[List[BlobTag]]) -> Union[Dict[str, str], None]
    """Deserialize a list of BlobTag objects into a dict.
    """
    if generated_tags:
        tag_dict = {t.key: t.value for t in generated_tags.blob_tag_set}
        return tag_dict
    return None