Set expiry (Azure#12642)

* [DataLake][SetExpiry]Set Expiry of DataLake File

* address comments

* use datalake set_expiry operation

* add serialize rfc1123 and fix pylint

* fix pylint

* remove return type

sdk/storage/azure-storage-blob/azure/storage/blob/_blob_client.py

@@ -576,7 +576,7 @@ def _download_blob_options(self, offset=None, length=None, **kwargs):
             'lease_access_conditions': access_conditions,
             'modified_access_conditions': mod_conditions,
             'cpk_info': cpk_info,
-            'cls': deserialize_blob_stream,
+            'cls': kwargs.pop('cls', None) or deserialize_blob_stream,
             'max_concurrency':kwargs.pop('max_concurrency', 1),
             'encoding': kwargs.pop('encoding', None),
             'timeout': kwargs.pop('timeout', None),
@@ -1038,14 +1038,15 @@ def get_blob_properties(self, **kwargs):
                 snapshot=self.snapshot,
                 lease_access_conditions=access_conditions,
                 modified_access_conditions=mod_conditions,
-                cls=deserialize_blob_properties,
+                cls=kwargs.pop('cls', None) or deserialize_blob_properties,
                 cpk_info=cpk_info,
                 **kwargs)
         except StorageErrorException as error:
             process_storage_error(error)
         blob_props.name = self.blob_name
-        blob_props.snapshot = self.snapshot
-        blob_props.container = self.container_name
+        if isinstance(blob_props, BlobProperties):
+            blob_props.container = self.container_name
+            blob_props.snapshot = self.snapshot
         return blob_props # type: ignore
 
     def _set_http_headers_options(self, content_settings=None, **kwargs):

sdk/storage/azure-storage-blob/azure/storage/blob/_generated/aio/operations_async/_blob_operations_async.py

@@ -1119,7 +1119,7 @@ async def set_expiry(self, expiry_options, timeout=None, request_id=None, expire
             header_parameters['x-ms-client-request-id'] = self._serialize.header("request_id", request_id, 'str')
         header_parameters['x-ms-expiry-option'] = self._serialize.header("expiry_options", expiry_options, 'str')
         if expires_on is not None:
-            header_parameters['x-ms-expiry-time'] = self._serialize.header("expires_on", expires_on, 'str')
+            header_parameters['x-ms-expiry-time'] = self._serialize.header("expires_on", expires_on, 'rfc-1123')
 
         # Construct and send request
         request = self._client.put(url, query_parameters, header_parameters)

sdk/storage/azure-storage-blob/azure/storage/blob/_generated/operations/_blob_operations.py

@@ -1118,7 +1118,7 @@ def set_expiry(self, expiry_options, timeout=None, request_id=None, expires_on=N
             header_parameters['x-ms-client-request-id'] = self._serialize.header("request_id", request_id, 'str')
         header_parameters['x-ms-expiry-option'] = self._serialize.header("expiry_options", expiry_options, 'str')
         if expires_on is not None:
-            header_parameters['x-ms-expiry-time'] = self._serialize.header("expires_on", expires_on, 'str')
+            header_parameters['x-ms-expiry-time'] = self._serialize.header("expires_on", expires_on, 'rfc-1123')
 
         # Construct and send request
         request = self._client.put(url, query_parameters, header_parameters)

sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py

@@ -561,14 +561,15 @@ async def get_blob_properties(self, **kwargs):
                 snapshot=self.snapshot,
                 lease_access_conditions=access_conditions,
                 modified_access_conditions=mod_conditions,
-                cls=deserialize_blob_properties,
+                cls=kwargs.pop('cls', None) or deserialize_blob_properties,
                 cpk_info=cpk_info,
                 **kwargs)
         except StorageErrorException as error:
             process_storage_error(error)
         blob_props.name = self.blob_name
-        blob_props.snapshot = self.snapshot
-        blob_props.container = self.container_name
+        if isinstance(blob_props, BlobProperties):
+            blob_props.container = self.container_name
+            blob_props.snapshot = self.snapshot
         return blob_props # type: ignore
 
     @distributed_trace_async

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/__init__.py

@@ -18,7 +18,6 @@
     DirectoryProperties,
     FileProperties,
     PathProperties,
-    PathPropertiesPaged,
     LeaseProperties,
     ContentSettings,
     AccountSasPermissions,
@@ -38,6 +37,7 @@
     AccessControlChangeFailure,
     AccessControlChanges,
 )
+
 from ._shared_access_signature import generate_account_sas, generate_file_system_sas, generate_directory_sas, \
     generate_file_sas
 
@@ -66,7 +66,6 @@
     'DirectoryProperties',
     'FileProperties',
     'PathProperties',
-    'PathPropertiesPaged',
     'LeaseProperties',
     'ContentSettings',
     'AccessControlChangeResult',

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_data_lake_directory_client.py

@@ -3,12 +3,11 @@
 # Licensed under the MIT License. See License.txt in the project root for
 # license information.
 # --------------------------------------------------------------------------
-
 try:
     from urllib.parse import quote, unquote
 except ImportError:
     from urllib2 import quote, unquote # type: ignore
-
+from ._deserialize import deserialize_dir_properties
 from ._shared.base_client import parse_connection_str
 from ._data_lake_file_client import DataLakeFileClient
 from ._models import DirectoryProperties
@@ -236,8 +235,7 @@ def get_directory_properties(self, **kwargs):
                 :dedent: 4
                 :caption: Getting the properties for a file/directory.
         """
-        blob_properties = self._get_path_properties(**kwargs)
-        return DirectoryProperties._from_blob_properties(blob_properties)  # pylint: disable=protected-access
+        return self._get_path_properties(cls=deserialize_dir_properties, **kwargs)  # pylint: disable=protected-access
 
     def rename_directory(self, new_name,  # type: str
                          **kwargs):

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_data_lake_file_client.py

@@ -21,8 +21,9 @@
 from ._generated.models import StorageErrorException
 from ._download import StorageStreamDownloader
 from ._path_client import PathClient
-from ._serialize import get_mod_conditions, get_path_http_headers, get_access_conditions, add_metadata_headers
-from ._deserialize import process_storage_error
+from ._serialize import get_mod_conditions, get_path_http_headers, get_access_conditions, add_metadata_headers, \
+    convert_datetime_to_rfc1123
+from ._deserialize import process_storage_error, deserialize_file_properties
 from ._models import FileProperties, DataLakeFileQueryError
 
 
@@ -246,8 +247,31 @@ def get_file_properties(self, **kwargs):
                 :dedent: 4
                 :caption: Getting the properties for a file.
         """
-        blob_properties = self._get_path_properties(**kwargs)
-        return FileProperties._from_blob_properties(blob_properties)  # pylint: disable=protected-access
+        return self._get_path_properties(cls=deserialize_file_properties, **kwargs)  # pylint: disable=protected-access
+
+    def set_file_expiry(self, expiry_options,  # type: str
+                        expires_on=None,   # type: Optional[Union[datetime, int]]
+                        **kwargs):
+        # type: (str, Optional[Union[datetime, int]], **Any) -> None
+        """Sets the time a file will expire and be deleted.
+
+        :param str expiry_options:
+            Required. Indicates mode of the expiry time.
+            Possible values include: 'NeverExpire', 'RelativeToCreation', 'RelativeToNow', 'Absolute'
+        :param datetime or int expires_on:
+            The time to set the file to expiry.
+            When expiry_options is RelativeTo*, expires_on should be an int in milliseconds.
+            If the type of expires_on is datetime, it should be in UTC time.
+        :keyword int timeout:
+            The timeout parameter is expressed in seconds.
+        :rtype: None
+        """
+        try:
+            expires_on = convert_datetime_to_rfc1123(expires_on)
+        except AttributeError:
+            expires_on = str(expires_on)
+        self._datalake_client_for_blob_operation.path \
+            .set_expiry(expiry_options, expires_on=expires_on, **kwargs)  # pylint: disable=protected-access
 
     def _upload_options(  # pylint:disable=too-many-statements
             self, data,  # type: Union[Iterable[AnyStr], IO[AnyStr]]

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_deserialize.py

@@ -12,6 +12,7 @@
 from azure.core.pipeline.policies import ContentDecodePolicy
 from azure.core.exceptions import HttpResponseError, DecodeError, ResourceModifiedError, ClientAuthenticationError, \
     ResourceNotFoundError, ResourceExistsError
+from ._models import FileProperties, DirectoryProperties, LeaseProperties
 from ._shared.models import StorageErrorCode
 
 if TYPE_CHECKING:
@@ -20,6 +21,45 @@
 _LOGGER = logging.getLogger(__name__)
 
 
+def deserialize_dir_properties(response, obj, headers):
+    metadata = deserialize_metadata(response, obj, headers)
+    dir_properties = DirectoryProperties(
+        metadata=metadata,
+        **headers
+    )
+    return dir_properties
+
+
+def deserialize_file_properties(response, obj, headers):
+    metadata = deserialize_metadata(response, obj, headers)
+    file_properties = FileProperties(
+        metadata=metadata,
+        **headers
+    )
+    if 'Content-Range' in headers:
+        if 'x-ms-blob-content-md5' in headers:
+            file_properties.content_settings.content_md5 = headers['x-ms-blob-content-md5']
+        else:
+            file_properties.content_settings.content_md5 = None
+    return file_properties
+
+
+def from_blob_properties(blob_properties):
+    file_props = FileProperties()
+    file_props.name = blob_properties.name
+    file_props.etag = blob_properties.etag
+    file_props.deleted = blob_properties.deleted
+    file_props.metadata = blob_properties.metadata
+    file_props.lease = blob_properties.lease
+    file_props.lease.__class__ = LeaseProperties
+    file_props.last_modified = blob_properties.last_modified
+    file_props.creation_time = blob_properties.creation_time
+    file_props.size = blob_properties.size
+    file_props.deleted_time = blob_properties.deleted_time
+    file_props.remaining_retention_days = blob_properties.remaining_retention_days
+    file_props.content_settings = blob_properties.content_settings
+    return file_props
+
 def normalize_headers(headers):
     normalized = {}
     for key, value in headers.items():

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_download.py

@@ -3,8 +3,7 @@
 # Licensed under the MIT License. See License.txt in the project root for
 # license information.
 # --------------------------------------------------------------------------
-
-from ._models import FileProperties
+from ._deserialize import from_blob_properties
 
 
 class StorageStreamDownloader(object):
@@ -23,7 +22,7 @@ class StorageStreamDownloader(object):
     def __init__(self, downloader):
         self._downloader = downloader
         self.name = self._downloader.name
-        self.properties = FileProperties._from_blob_properties(self._downloader.properties)  # pylint: disable=protected-access
+        self.properties = from_blob_properties(self._downloader.properties)  # pylint: disable=protected-access
         self.size = self._downloader.size
 
     def __len__(self):

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_file_system_client.py

@@ -16,7 +16,8 @@
 from azure.storage.blob import ContainerClient
 from ._shared.base_client import StorageAccountHostsMixin, parse_query, parse_connection_str
 from ._serialize import convert_dfs_url_to_blob_url
-from ._models import LocationMode, FileSystemProperties, PathPropertiesPaged, PublicAccess
+from ._models import LocationMode, FileSystemProperties, PublicAccess
+from ._list_paths_helper import PathPropertiesPaged
 from ._data_lake_file_client import DataLakeFileClient
 from ._data_lake_directory_client import DataLakeDirectoryClient
 from ._data_lake_lease import DataLakeLeaseClient

sdk/storage/azure-storage-file-datalake/azure/storage/filedatalake/_list_paths_helper.py

@@ -0,0 +1,73 @@
+# -------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+from azure.core.paging import PageIterator
+from ._generated.models import StorageErrorException
+from ._models import PathProperties
+from ._deserialize import return_headers_and_deserialized_path_list
+from ._generated.models import Path
+from ._shared.response_handlers import process_storage_error
+
+
+class PathPropertiesPaged(PageIterator):
+    """An Iterable of Path properties.
+
+    :ivar str path: Filters the results to return only paths under the specified path.
+    :ivar int results_per_page: The maximum number of results retrieved per API call.
+    :ivar str continuation_token: The continuation token to retrieve the next page of results.
+    :ivar list(~azure.storage.filedatalake.PathProperties) current_page: The current page of listed results.
+
+    :param callable command: Function to retrieve the next page of items.
+    :param str path: Filters the results to return only paths under the specified path.
+    :param int max_results: The maximum number of psths to retrieve per
+        call.
+    :param str continuation_token: An opaque continuation token.
+    """
+    def __init__(
+            self, command,
+            recursive,
+            path=None,
+            max_results=None,
+            continuation_token=None,
+            upn=None):
+        super(PathPropertiesPaged, self).__init__(
+            get_next=self._get_next_cb,
+            extract_data=self._extract_data_cb,
+            continuation_token=continuation_token or ""
+        )
+        self._command = command
+        self.recursive = recursive
+        self.results_per_page = max_results
+        self.path = path
+        self.upn = upn
+        self.current_page = None
+        self.path_list = None
+
+    def _get_next_cb(self, continuation_token):
+        try:
+            return self._command(
+                self.recursive,
+                continuation=continuation_token or None,
+                path=self.path,
+                max_results=self.results_per_page,
+                upn=self.upn,
+                cls=return_headers_and_deserialized_path_list)
+        except StorageErrorException as error:
+            process_storage_error(error)
+
+    def _extract_data_cb(self, get_next_return):
+        self.path_list, self._response = get_next_return
+        self.current_page = [self._build_item(item) for item in self.path_list]
+
+        return self._response['continuation'] or None, self.current_page
+
+    @staticmethod
+    def _build_item(item):
+        if isinstance(item, PathProperties):
+            return item
+        if isinstance(item, Path):
+            path = PathProperties._from_generated(item)  # pylint: disable=protected-access
+            return path
+        return item