/usr/lib/python2.7/dist-packages/azure/storage/_deserialization.py is in python-azure-storage 0.33.0-1.
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# Copyright (c) Microsoft. All rights reserved.
#
# 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.
#--------------------------------------------------------------------------
from dateutil import parser
from ._common_conversion import _to_str
try:
from xml.etree import cElementTree as ETree
except ImportError:
from xml.etree import ElementTree as ETree
from .models import (
ServiceProperties,
Logging,
Metrics,
CorsRule,
AccessPolicy,
_HeaderDict,
_dict,
GeoReplication,
ServiceStats,
)
def _int_to_str(value):
return value if value is None else int(value)
def _get_download_size(start_range, end_range, resource_size):
if start_range is not None:
end_range = end_range if end_range else (resource_size if resource_size else None)
if end_range is not None:
return end_range - start_range
else:
return None
else:
return resource_size
GET_PROPERTIES_ATTRIBUTE_MAP = {
'last-modified': (None, 'last_modified', parser.parse),
'etag': (None, 'etag', _to_str),
'x-ms-blob-type': (None, 'blob_type', _to_str),
'content-length': (None, 'content_length', _int_to_str),
'content-range': (None, 'content_range', _to_str),
'x-ms-blob-sequence-number': (None, 'page_blob_sequence_number', _int_to_str),
'x-ms-blob-committed-block-count': (None, 'append_blob_committed_block_count', _int_to_str),
'x-ms-share-quota': (None, 'quota', _int_to_str),
'content-type': ('content_settings', 'content_type', _to_str),
'cache-control': ('content_settings', 'cache_control', _to_str),
'content-encoding': ('content_settings', 'content_encoding', _to_str),
'content-disposition': ('content_settings', 'content_disposition', _to_str),
'content-language': ('content_settings', 'content_language', _to_str),
'content-md5': ('content_settings', 'content_md5', _to_str),
'x-ms-lease-status': ('lease', 'status', _to_str),
'x-ms-lease-state': ('lease', 'state', _to_str),
'x-ms-lease-duration': ('lease', 'duration', _to_str),
'x-ms-copy-id': ('copy', 'id', _to_str),
'x-ms-copy-source': ('copy', 'source', _to_str),
'x-ms-copy-status': ('copy', 'status', _to_str),
'x-ms-copy-progress': ('copy', 'progress', _to_str),
'x-ms-copy-completion-time': ('copy', 'completion_time', parser.parse),
'x-ms-copy-status-description': ('copy', 'status_description', _to_str),
}
def _parse_metadata(response):
'''
Extracts out resource metadata information.
'''
if response is None or response.headers is None:
return None
metadata = _dict()
for key, value in response.headers.items():
if key.startswith('x-ms-meta-'):
metadata[key[10:]] = _to_str(value)
return metadata
def _parse_properties(response, result_class):
'''
Extracts out resource properties and metadata information.
Ignores the standard http headers.
'''
if response is None or response.headers is None:
return None
props = result_class()
for key, value in response.headers.items():
info = GET_PROPERTIES_ATTRIBUTE_MAP.get(key)
if info:
if info[0] is None:
setattr(props, info[1], info[2](value))
else:
attr = getattr(props, info[0])
setattr(attr, info[1], info[2](value))
return props
def _parse_length_from_content_range(content_range):
'''
Parses the blob length from the content range header: bytes 1-3/65537
'''
if content_range is None:
return None
# First, split in space and take the second half: '1-3/65537'
# Next, split on slash and take the second half: '65537'
# Finally, convert to an int: 65537
return int(content_range.split(' ', 1)[1].split('/', 1)[1])
def _convert_xml_to_signed_identifiers(response):
'''
<?xml version="1.0" encoding="utf-8"?>
<SignedIdentifiers>
<SignedIdentifier>
<Id>unique-value</Id>
<AccessPolicy>
<Start>start-time</Start>
<Expiry>expiry-time</Expiry>
<Permission>abbreviated-permission-list</Permission>
</AccessPolicy>
</SignedIdentifier>
</SignedIdentifiers>
'''
if response is None or response.body is None:
return None
list_element = ETree.fromstring(response.body)
signed_identifiers = _dict()
for signed_identifier_element in list_element.findall('SignedIdentifier'):
# Id element
id = signed_identifier_element.find('Id').text
# Access policy element
access_policy = AccessPolicy()
access_policy_element = signed_identifier_element.find('AccessPolicy')
if access_policy_element is not None:
start_element = access_policy_element.find('Start')
if start_element is not None:
access_policy.start = parser.parse(start_element.text)
expiry_element = access_policy_element.find('Expiry')
if expiry_element is not None:
access_policy.expiry = parser.parse(expiry_element.text)
access_policy.permission = access_policy_element.findtext('Permission')
signed_identifiers[id] = access_policy
return signed_identifiers
def _convert_xml_to_service_stats(response):
'''
<?xml version="1.0" encoding="utf-8"?>
<StorageServiceStats>
<GeoReplication>
<Status>live|bootstrap|unavailable</Status>
<LastSyncTime>sync-time|<empty></LastSyncTime>
</GeoReplication>
</StorageServiceStats>
'''
if response is None or response.body is None:
return None
service_stats_element = ETree.fromstring(response.body)
geo_replication_element = service_stats_element.find('GeoReplication')
geo_replication = GeoReplication()
geo_replication.status = geo_replication_element.find('Status').text
geo_replication.last_sync_time = parser.parse(geo_replication_element.find('LastSyncTime').text)
service_stats = ServiceStats()
service_stats.geo_replication = geo_replication
return service_stats
def _convert_xml_to_service_properties(response):
'''
<?xml version="1.0" encoding="utf-8"?>
<StorageServiceProperties>
<Logging>
<Version>version-number</Version>
<Delete>true|false</Delete>
<Read>true|false</Read>
<Write>true|false</Write>
<RetentionPolicy>
<Enabled>true|false</Enabled>
<Days>number-of-days</Days>
</RetentionPolicy>
</Logging>
<HourMetrics>
<Version>version-number</Version>
<Enabled>true|false</Enabled>
<IncludeAPIs>true|false</IncludeAPIs>
<RetentionPolicy>
<Enabled>true|false</Enabled>
<Days>number-of-days</Days>
</RetentionPolicy>
</HourMetrics>
<MinuteMetrics>
<Version>version-number</Version>
<Enabled>true|false</Enabled>
<IncludeAPIs>true|false</IncludeAPIs>
<RetentionPolicy>
<Enabled>true|false</Enabled>
<Days>number-of-days</Days>
</RetentionPolicy>
</MinuteMetrics>
<Cors>
<CorsRule>
<AllowedOrigins>comma-separated-list-of-allowed-origins</AllowedOrigins>
<AllowedMethods>comma-separated-list-of-HTTP-verb</AllowedMethods>
<MaxAgeInSeconds>max-caching-age-in-seconds</MaxAgeInSeconds>
<ExposedHeaders>comma-seperated-list-of-response-headers</ExposedHeaders>
<AllowedHeaders>comma-seperated-list-of-request-headers</AllowedHeaders>
</CorsRule>
</Cors>
</StorageServiceProperties>
'''
if response is None or response.body is None:
return None
service_properties_element = ETree.fromstring(response.body)
service_properties = ServiceProperties()
# Logging
logging = service_properties_element.find('Logging')
if logging is not None:
service_properties.logging = Logging()
service_properties.logging.version = logging.find('Version').text
service_properties.logging.delete = _bool(logging.find('Delete').text)
service_properties.logging.read = _bool(logging.find('Read').text)
service_properties.logging.write = _bool(logging.find('Write').text)
_convert_xml_to_retention_policy(logging.find('RetentionPolicy'),
service_properties.logging.retention_policy)
# HourMetrics
hour_metrics_element = service_properties_element.find('HourMetrics')
if hour_metrics_element is not None:
service_properties.hour_metrics = Metrics()
_convert_xml_to_metrics(hour_metrics_element, service_properties.hour_metrics)
# MinuteMetrics
minute_metrics_element = service_properties_element.find('MinuteMetrics')
if minute_metrics_element is not None:
service_properties.minute_metrics = Metrics()
_convert_xml_to_metrics(minute_metrics_element, service_properties.minute_metrics)
# CORS
cors = service_properties_element.find('Cors')
if cors is not None:
service_properties.cors = list()
for rule in cors.findall('CorsRule'):
allowed_origins = rule.find('AllowedOrigins').text.split(',')
allowed_methods = rule.find('AllowedMethods').text.split(',')
max_age_in_seconds = int(rule.find('MaxAgeInSeconds').text)
cors_rule = CorsRule(allowed_origins, allowed_methods, max_age_in_seconds)
exposed_headers = rule.find('ExposedHeaders').text
if exposed_headers is not None:
cors_rule.exposed_headers = exposed_headers.split(',')
allowed_headers = rule.find('AllowedHeaders').text
if allowed_headers is not None:
cors_rule.allowed_headers = allowed_headers.split(',')
service_properties.cors.append(cors_rule)
# Target version
target_version = service_properties_element.find('DefaultServiceVersion')
if target_version is not None:
service_properties.target_version = target_version.text
return service_properties
def _convert_xml_to_metrics(xml, metrics):
'''
<Version>version-number</Version>
<Enabled>true|false</Enabled>
<IncludeAPIs>true|false</IncludeAPIs>
<RetentionPolicy>
<Enabled>true|false</Enabled>
<Days>number-of-days</Days>
</RetentionPolicy>
'''
# Version
metrics.version = xml.find('Version').text
# Enabled
metrics.enabled = _bool(xml.find('Enabled').text)
# IncludeAPIs
include_apis_element = xml.find('IncludeAPIs')
if include_apis_element is not None:
metrics.include_apis = _bool(include_apis_element.text)
# RetentionPolicy
_convert_xml_to_retention_policy(xml.find('RetentionPolicy'), metrics.retention_policy)
def _convert_xml_to_retention_policy(xml, retention_policy):
'''
<Enabled>true|false</Enabled>
<Days>number-of-days</Days>
'''
# Enabled
retention_policy.enabled = _bool(xml.find('Enabled').text)
# Days
days_element = xml.find('Days')
if days_element is not None:
retention_policy.days = int(days_element.text)
def _bool(value):
return value.lower() == 'true'
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