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azure-storage-file-share

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azure-storage-file-share

Microsoft Azure Azure File Share Storage Client Library for Python

12.20.0
PyPI

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Maintainers: 2

Azure File Share storage offers fully managed file shares in the cloud that are accessible via the industry standard Server Message Block (SMB) protocol. Azure file shares can be mounted concurrently by cloud or on-premises deployments of Windows, Linux, and macOS. Additionally, Azure file shares can be cached on Windows Servers with Azure File Sync for fast access near where the data is being used.

Azure file shares can be used to:

Replace or supplement on-premises file servers
"Lift and shift" applications
Simplify cloud development with shared application settings, diagnostic share, and Dev/Test/Debug tools

Getting started

Prerequisites

Python 3.8 or later is required to use this package. For more details, please read our page on Azure SDK for Python version support policy.
You must have an Azure subscription and an Azure storage account to use this package.

Install the package

Install the Azure Storage File Share client library for Python with pip:

pip install azure-storage-file-share

Create a storage account

If you wish to create a new storage account, you can use the Azure Portal, Azure PowerShell, or Azure CLI:

# Create a new resource group to hold the storage account -
# if using an existing resource group, skip this step
az group create --name my-resource-group --location westus2

# Create the storage account
az storage account create -n my-storage-account-name -g my-resource-group

Create the client

The Azure Storage File Share client library for Python allows you to interact with four types of resources: the storage account itself, file shares, directories, and files. Interaction with these resources starts with an instance of a client. To create a client object, you will need the storage account's file service URL and a credential that allows you to access the storage account:

from azure.storage.fileshare import ShareServiceClient

service = ShareServiceClient(account_url="https://<my-storage-account-name>.file.core.windows.net/", credential=credential)

Looking up the account URL

You can find the storage account's file service URL using the Azure Portal, Azure PowerShell, or Azure CLI:

# Get the file service URL for the storage account
az storage account show -n my-storage-account-name -g my-resource-group --query "primaryEndpoints.file"

Types of credentials

The credential parameter may be provided in a number of different forms, depending on the type of authorization you wish to use:

To use a shared access signature (SAS) token, provide the token as a string. If your account URL includes the SAS token, omit the credential parameter. You can generate a SAS token from the Azure Portal under "Shared access signature" or use one of the generate_sas() functions to create a sas token for the storage account, share, or file:

from datetime import datetime, timedelta
from azure.storage.fileshare import ShareServiceClient, generate_account_sas, ResourceTypes, AccountSasPermissions

sas_token = generate_account_sas(
    account_name="<storage-account-name>",
    account_key="<account-access-key>",
    resource_types=ResourceTypes(service=True),
    permission=AccountSasPermissions(read=True),
    expiry=datetime.utcnow() + timedelta(hours=1)
)

share_service_client = ShareServiceClient(account_url="https://<my_account_name>.file.core.windows.net", credential=sas_token)

To use a storage account shared key (aka account key or access key), provide the key as a string. This can be found in the Azure Portal under the "Access Keys" section or by running the following Azure CLI command:

az storage account keys list -g MyResourceGroup -n MyStorageAccount

Use the key as the credential parameter to authenticate the client:
```
from azure.storage.fileshare import ShareServiceClient
service = ShareServiceClient(account_url="https://<my_account_name>.file.core.windows.net", credential="<account_access_key>")
```

Creating the client from a connection string

Depending on your use case and authorization method, you may prefer to initialize a client instance with a storage connection string instead of providing the account URL and credential separately. To do this, pass the storage connection string to the client's from_connection_string class method:

from azure.storage.fileshare import ShareServiceClient

connection_string = "DefaultEndpointsProtocol=https;AccountName=xxxx;AccountKey=xxxx;EndpointSuffix=core.windows.net"
service = ShareServiceClient.from_connection_string(conn_str=connection_string)

The connection string to your storage account can be found in the Azure Portal under the "Access Keys" section or by running the following CLI command:

az storage account show-connection-string -g MyResourceGroup -n MyStorageAccount

Key concepts

The following components make up the Azure File Share Service:

The storage account itself
A file share within the storage account
An optional hierarchy of directories within the file share
A file within the file share, which may be up to 1 TiB in size

The Azure Storage File Share client library for Python allows you to interact with each of these components through the use of a dedicated client object.

Async Clients

This library includes a complete async API supported on Python 3.5+. To use it, you must first install an async transport, such as aiohttp. See azure-core documentation for more information.

Async clients and credentials should be closed when they're no longer needed. These objects are async context managers and define async close methods.

Clients

Four different clients are provided to interact with the various components of the File Share Service:

ShareServiceClient - this client represents interaction with the Azure storage account itself, and allows you to acquire preconfigured client instances to access the file shares within. It provides operations to retrieve and configure the service properties as well as list, create, and delete shares within the account. To perform operations on a specific share, retrieve a client using the get_share_client method.
ShareClient - this client represents interaction with a specific file share (which need not exist yet), and allows you to acquire preconfigured client instances to access the directories and files within. It provides operations to create, delete, configure, or create snapshots of a share and includes operations to create and enumerate the contents of directories within it. To perform operations on a specific directory or file, retrieve a client using the get_directory_client or get_file_client methods.
ShareDirectoryClient - this client represents interaction with a specific directory (which need not exist yet). It provides operations to create, delete, or enumerate the contents of an immediate or nested subdirectory, and includes operations to create and delete files within it. For operations relating to a specific subdirectory or file, a client for that entity can also be retrieved using the get_subdirectory_client and get_file_client functions.
ShareFileClient - this client represents interaction with a specific file (which need not exist yet). It provides operations to upload, download, create, delete, and copy a file.

For details on path naming restrictions, see Naming and Referencing Shares, Directories, Files, and Metadata.

Examples

The following sections provide several code snippets covering some of the most common Storage File Share tasks, including:

Create a file share to store your files

from azure.storage.fileshare import ShareClient

share = ShareClient.from_connection_string(conn_str="<connection_string>", share_name="myshare")
share.create_share()

Use the async client to create a file share

from azure.storage.fileshare.aio import ShareClient

share = ShareClient.from_connection_string(conn_str="<connection_string>", share_name="myshare")
await share.create_share()

Uploading a file

Upload a file to the share

from azure.storage.fileshare import ShareFileClient

file_client = ShareFileClient.from_connection_string(conn_str="<connection_string>", share_name="myshare", file_path="my_file")

with open("./SampleSource.txt", "rb") as source_file:
    file_client.upload_file(source_file)

Upload a file asynchronously

from azure.storage.fileshare.aio import ShareFileClient

file_client = ShareFileClient.from_connection_string(conn_str="<connection_string>", share_name="myshare", file_path="my_file")

with open("./SampleSource.txt", "rb") as source_file:
    await file_client.upload_file(source_file)

Downloading a file

Download a file from the share

from azure.storage.fileshare import ShareFileClient

file_client = ShareFileClient.from_connection_string(conn_str="<connection_string>", share_name="myshare", file_path="my_file")

with open("DEST_FILE", "wb") as file_handle:
    data = file_client.download_file()
    data.readinto(file_handle)

Download a file asynchronously

from azure.storage.fileshare.aio import ShareFileClient

file_client = ShareFileClient.from_connection_string(conn_str="<connection_string>", share_name="myshare", file_path="my_file")

with open("DEST_FILE", "wb") as file_handle:
    data = await file_client.download_file()
    await data.readinto(file_handle)

Listing contents of a directory

List all directories and files under a parent directory

from azure.storage.fileshare import ShareDirectoryClient

parent_dir = ShareDirectoryClient.from_connection_string(conn_str="<connection_string>", share_name="myshare", directory_path="parent_dir")

my_list = list(parent_dir.list_directories_and_files())
print(my_list)

List contents of a directory asynchronously

from azure.storage.fileshare.aio import ShareDirectoryClient

parent_dir = ShareDirectoryClient.from_connection_string(conn_str="<connection_string>", share_name="myshare", directory_path="parent_dir")

my_files = []
async for item in parent_dir.list_directories_and_files():
    my_files.append(item)
print(my_files)

Optional Configuration

Optional keyword arguments that can be passed in at the client and per-operation level.

Retry Policy configuration

Use the following keyword arguments when instantiating a client to configure the retry policy:

retry_total (int): Total number of retries to allow. Takes precedence over other counts. Pass in retry_total=0 if you do not want to retry on requests. Defaults to 10.
retry_connect (int): How many connection-related errors to retry on. Defaults to 3.
retry_read (int): How many times to retry on read errors. Defaults to 3.
retry_status (int): How many times to retry on bad status codes. Defaults to 3.
retry_to_secondary (bool): Whether the request should be retried to secondary, if able. This should only be enabled of RA-GRS accounts are used and potentially stale data can be handled. Defaults to False.

Other client / per-operation configuration

Other optional configuration keyword arguments that can be specified on the client or per-operation.

Client keyword arguments:

connection_timeout (int): The number of seconds the client will wait to establish a connection to the server. Defaults to 20 seconds.
read_timeout (int): The number of seconds the client will wait, between consecutive read operations, for a response from the server. This is a socket level timeout and is not affected by overall data size. Client-side read timeouts will be automatically retried. Defaults to 60 seconds.
transport (Any): User-provided transport to send the HTTP request.

Per-operation keyword arguments:

raw_response_hook (callable): The given callback uses the response returned from the service.
raw_request_hook (callable): The given callback uses the request before being sent to service.
client_request_id (str): Optional user specified identification of the request.
user_agent (str): Appends the custom value to the user-agent header to be sent with the request.
logging_enable (bool): Enables logging at the DEBUG level. Defaults to False. Can also be passed in at the client level to enable it for all requests.
logging_body (bool): Enables logging the request and response body. Defaults to False. Can also be passed in at the client level to enable it for all requests.
headers (dict): Pass in custom headers as key, value pairs. E.g. headers={'CustomValue': value}

Troubleshooting

General

Storage File clients raise exceptions defined in Azure Core.

This list can be used for reference to catch thrown exceptions. To get the specific error code of the exception, use the error_code attribute, i.e, exception.error_code.

Logging

This library uses the standard logging library for logging. Basic information about HTTP sessions (URLs, headers, etc.) is logged at INFO level.

Detailed DEBUG level logging, including request/response bodies and unredacted headers, can be enabled on a client with the logging_enable argument:

import sys
import logging
from azure.storage.fileshare import ShareServiceClient

# Create a logger for the 'azure.storage.fileshare' SDK
logger = logging.getLogger('azure.storage.fileshare')
logger.setLevel(logging.DEBUG)

# Configure a console output
handler = logging.StreamHandler(stream=sys.stdout)
logger.addHandler(handler)

# This client will log detailed information about its HTTP sessions, at DEBUG level
service_client = ShareServiceClient.from_connection_string("your_connection_string", logging_enable=True)

Similarly, logging_enable can enable detailed logging for a single operation, even when it isn't enabled for the client:

service_client.get_service_properties(logging_enable=True)

Next steps

More sample code

Get started with our File Share samples.

Several Storage File Share Python SDK samples are available to you in the SDK's GitHub repository. These samples provide example code for additional scenarios commonly encountered while working with Storage File Share:

file_samples_hello_world.py (async version) - Examples found in this article:
- Client creation
- Create a file share
- Upload a file
file_samples_authentication.py (async version) - Examples for authenticating and creating the client:
- From a connection string
- From a shared access key
- From a shared access signature token
file_samples_service.py (async version) - Examples for interacting with the file service:
- Get and set service properties
- Create, list, and delete shares
- Get a share client
file_samples_share.py (async version) - Examples for interacting with file shares:
- Create a share snapshot
- Set share quota and metadata
- List directories and files
- Get the directory or file client to interact with a specific entity
file_samples_directory.py (async version) - Examples for interacting with directories:
- Create a directory and add files
- Create and delete subdirectories
- Get the subdirectory client
file_samples_client.py (async version) - Examples for interacting with files:
- Create, upload, download, and delete files
- Copy a file from a URL

Additional documentation

For more extensive documentation on Azure File Share storage, see the Azure File Share storage documentation on docs.microsoft.com.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Release History

12.20.0 (2024-11-13)

Features Added

Stable release of features from 12.20.0b1

12.20.0b1 (2024-10-10)

Features Added

Added support for service version 2025-01-05.
Added support to specify Premium enum value in access_tier for create_share and set_share_properties APIs.
Added file_permission_format to specify permission format for File's copy_file API.
Added support for provisioned V2 billing model, including provisioned_iops and provisioned_bandwidth_mibps for ShareClient and ShareServiceClient's create_share APIs; provisioned_max_iops and provisioned_max_bandwidth_mibps for ShareClient's set_share_properties API; and retrieve included_burst_iop, max_burst_credits_for_iops, next_provisioned_iops_downgrade and next_provisioned_bandwidth_downgrade through get_share_properties API. ShareServiceClient's list_shares API returns the new properties through get_share_properties for each share.

12.19.0 (2024-10-08)

Features Added

Updated type hints across the entire package and enabled MyPy to run during CI. Some public types may have been adjusted if they were previously erroneous or incomplete.

12.18.0 (2024-09-17)

Features Added

Stable release of features from 12.18.0b1

12.18.0b1 (2024-08-07)

Features Added

Added support for service version 2024-11-04.
Added support for Entra ID authentication for all data plane file operations that were previously not enabled.
Added support to set paid_bursting_enabled, paid_bursting_bandwidth_mibps, and paid_bursting_iops for Share's create_share and set_share_properties APIs, and also retrieve them on the get_share_properties API.
Added file_permission_format to specify permission format for Share's create_permission_for_share and get_permission_for_share APIs; File's create_file, rename_file, and set_http_headers APIs; and Directory's rename_directory and set_http_headers APIs.

Other Changes

Bumped minimum azure-core dependency to 1.30.0.

12.17.0 (2024-07-18)

Features Added

Stable release of features from 12.17.0b1

12.17.0b1 (2024-06-11)

Features Added

Added a more descriptive authorization error message when facing authorization errors.

12.16.0 (2024-05-07)

Features Added

Stable release of features from 12.16.0b1

12.16.0b1 (2024-04-16)

This version and all future versions will require Python 3.8+. Python 3.7 is no longer supported.

Features Added

Added exists method to ShareFileClient to check if a file exists.
Added support for service version 2024-05-04.
The services parameter has been added to the generate_account_sas API, which enables the ability to generate SAS tokens to be used with multiple services. By default, the SAS token service scope will default to the current service.
Added client_name property to Handle.
Added support for support_rename to get_ranges_diff()

Bugs Fixed

Fixed an issue where the ShareDirectoryClient returned by get_subdirectory_client with a ShareDirectoryClient pointing to the root of the file share would raise an InvalidResourceName on any operations.
Bumped dependency of typing-extensions to >=4.6.0 to avoid potential TypeError with typing.TypeVar on Python 3.12.
Fixed an issue where authentication errors could raise AttributeError instead of ClientAuthenticationError when using async OAuth credentials.
Fixed an issue where parameter delete_snapshots to delete_share API did not support all possible enums. This change makes delete_snapshots now accept string literals 'include' and 'include-leased'.
Fixed an issue where specifying datetime objects with less than 7 digits of precision as input could incorrectly raise InvalidHeaderValue due to improper precision parsing.

12.15.0 (2023-11-07)

Features Added

Stable release of features from 12.15.0b1

12.15.0b1 (2023-10-17)

Features Added

Added support for service version 2023-11-03.
Added audience as an optional keyword that can be specified on APIs that have a credential parameter. This keyword only has an effect when the credential provided is of type TokenCredential.

12.14.2 (2023-10-10)

Bugs Fixed

Fixed an issue when an invalid type was provided for credential during client construction, the __str__ of the object would be present in the exception message and therefore potentially logged.

12.14.1 (2023-09-13)

Bugs Fixed

Fixed breaking KeyError: 'sdk_moniker' in create_configuration. NOTE: This is not an exported method and therefore should not be imported/called directly.

12.14.0 (2023-09-12)

Features Added

Stable release of features from 12.14.0b1

12.14.0b1 (2023-08-08)

Features Added

Added support for service versions 2023-05-03 and 2023-08-03.

12.13.0 (2023-07-11)

Features Added

Stable release of features from 12.13.0b1

12.13.0b1 (2023-05-30)

Features Added

Added support for service version 2023-01-03.
Added access_rights property to Handle.

12.12.0 (2023-04-12)

Features Added

Stable release of features from 12.12.0b1

12.12.0b1 (2023-03-28)

Features Added

Added support for service version 2022-11-02.
Added support for TokenCredential to be used for authentication. A TokenCredential can be provided for the credential parameter to any client constructor. Note: When using a TokenCredential, the new keyword parameter token_intent is required and must be provided. Additionally, this form of authentication is only supported for certain operations in the Data Plane SDK.
Added support for allow_trailing_dot and allow_source_trailing_dot on client construction. When allow_trailing_dot is provided, the service will not silently remove any trailing . character from directory/file names for all operations made from that client. allow_source_trailing_dot will apply this same rule to source files when performing a rename or copy operation.

12.11.1 (2023-03-08)

Bugs Fixed

Fixed "duplicate type signatures" MyPy error.

12.11.0 (2023-02-22)

Features Added

Stable release of features from 12.11.0b1

12.11.0b1 (2023-02-02)

Features Added

Added support for service version 2021-12-02.
Added support for file and directory paths that contain invalid XML characters. When listing or fetching properties, the service will encode illegal characters and the SDK will now automatically decode them.
Added support for AsyncIterable as data type for async file upload.

Bugs Fixed

Fixed an issue where keyword name_starts_with was not being passed to the service properly for the list_shares async API

Other Changes

Removed msrest dependency.
Added typing-extensions>=4.0.1 as a dependency.
Added isodate>=0.6.1 as a dependency.
Added extra dependency aio for installing optional async dependencies. Use pip install azure-storage-file-share[aio] to install.

12.10.1 (2022-10-18)

Bugs Fixed

Fixed possible ValueError for invalid content range that gets raised when downloading empty files through Azurite.

12.10.0 (2022-10-11)

Features Added

Stable release of features from 12.10.0b1.

Bugs Fixed

Fixed an issue where calling download_file with an invalid base64-encoded account key would raise an AttributeError rather than the proper AzureSigningError.

Other Changes

Changed the default value for read_timeout to 60 seconds for all clients.

12.10.0b1 (2022-08-23)

This version and all future versions will require Python 3.7+. Python 3.6 is no longer supported.

Features Added

Added support for AzureNamedKeyCredential as a valid credential type.

12.9.0 (2022-07-07)

Features Added

Stable release of features from 12.9.0b1.
Added support for progress tracking to upload_file() and download_file() via a new optional callback, progress_hook.

12.9.0b1 (2022-06-15)

Features Added

Added support for file_change_time to start_copy_from_url API

12.8.0 (2022-05-09)

Features Added

Stable release of features from 12.8.0b1.

Bugs Fixed

Fixed a bug, introduced in the previous beta release, that caused Authentication errors when attempting to use an Account SAS with certain service level operations.

12.8.0b1 (2022-04-14)

Features Added

Added support for service version 2021-06-08.
Added support for missing parameters on create_directory() including file_attributes, file_creation_time, file_last_write_time, file_permission and file_permission_key.
Added support for setting content_type on rename_file().
Added support for setting file_change_time on create_directory(), set_http_headers() (directory) rename_directory(), create_file(), set_http_headers() (file) and rename_file().
Added support for setting file_last_write_mode on upload_range() and upload_range_from_url() with possible values of Now or Preserve.

Bugs Fixed

Updated create_share() docstring to have the correct return-type of None

12.7.0 (2022-03-08)

This version and all future versions will require Python 3.6+. Python 2.7 is no longer supported.

Stable release of preview features

Added support for service version 2021-02-12, 2021-04-10.
Added support for premium file share provisioned_bandwidth property.
Added support for checking if a directory exists using exists().
Added support for rename_directory() and rename_file().
Added support for Create (c) SAS permission for Share SAS.

Bugs Fixed

Fixed a bug where start_copy_from_url() was not sending the ignore_read_only parameter correctly.

12.7.0b2 (2022-02-08)

This version and all future versions will require Python 3.6+. Python 2.7 is no longer supported.

Features Added

Added support for service version 2021-04-10.
Added support for rename_directory() and rename_file().
Added support for Create (c) SAS permission for Share SAS.

Bugs Fixed

Update azure-core dependency to avoid inconsistent dependencies from being installed.
Fixed a bug, that was introduced in the previous beta release, where generate_account_sas() was not generating the proper SAS signature.

12.7.0b1 (2021-12-13)

Features Added

Added support for service version 2021-02-12.
Added support for premium file share provisioned_bandwidth property.
Added support for checking if a directory exists using exists().

12.6.0 (2021-09-15)

Stable release of preview features

Added support for service version 2020-10-02 (STG78)
Added OAuth support for file copy source.

12.6.0b1 (2021-07-27)

New features

Added OAuth support for file copy source.

Fixes

Ensured that download fails if file modified mid download

12.5.0 (2021-06-09)

New features

Added support for lease operation on a share, eg. acquire_lease

12.5.0b1 (2021-05-12)

New features

Added support for lease operation on a share, eg. acquire_lease

12.4.2 (2021-04-20)

Fixes

Make AccountName, AccountKey etc. in conn_str case insensitive
Fixed downloader.chunks() return chunks in different size (#9419, #15648)
Fixed unclosed ThreadPoolExecutor (#8955)

12.4.1 (2021-01-20)

Fixes

Fixed msrest dependency issue (#16250)

12.4.0 (2021-01-13)

Stable release of preview features

Added support for enabling root squash and share protocols for file share.
Added support for AzureSasCredential to allow SAS rotation in long living clients.

12.4.0b1 (2020-12-07)

New features

Added support for enabling root squash and share protocols for file share.

12.3.0 (2020-11-10)

Stable release of preview features

Preview feature enabling SMB Multichannel for the share service.
Preview feature get_ranges on ShareFileClient

New features

Added set_share_properties which allows setting share tier.

Notes

Updated dependency azure-core from azure-core<2.0.0,>=1.2.2 to azure-core<2.0.0,>=1.9.0 to get continuation_token attr on AzureError.

12.3.0b1 (2020-10-02)

New features

Added support for enabling SMB Multichannel for the share service.
Added support for leasing a share.
Added support for getting the range diff between current file and a snapshot as well as getting the diff between two file snapshots.

12.2.0 (2020-08-13)

Stable release of preview features

Preview feature undelete_share on FileShareServiceClient.

12.2.0b1 (2020-07-07)

New features

Added undelete_share on FileShareServiceClient so that users can restore deleted share on share soft delete enabled account. Users can also list deleted shares when list_shares by specifying include_deleted=True.

12.1.2

Fixes

Improve the performance of upload when using max_concurrency

12.1.1 (2020-03-10)

Notes

The StorageUserAgentPolicy is now replaced with the UserAgentPolicy from azure-core. With this, the custom user agents are now added as a prefix instead of being appended.

12.1.0

New features

Added support for the 2019-07-07 service version, and added api_version parameter to clients.
ShareLeaseClient was introduced to both sync and async versions of the SDK, which allows users to perform operations on file leases.
failed_handles_count info was included in close_handle and close_all_handles result.
Added support for obtaining premium file properties in list_shares and get_share_properties.
Added support for additional start_copy_from_url parameters - file_permission, permission_key, file_attributes, file_creation_time, file_last_write_time, ignore_read_only, and set_archive_attribute.

Fixes and improvements

Fixed a bug: clear_range API was not working.

Fixes

Responses are always decoded as UTF8

12.0.0

New features

Added delete_directory method to the share_client.
All the clients now have a close() method to close the sockets opened by the client when using without a context manager.

Fixes and improvements

Fixes a bug where determining length breaks while uploading a file when provided with an invalid fileno.

Breaking changes

close_handle(handle) and close_all_handles() no longer return int. These functions return a dictionary which has the number of handles closed and number of handles failed to be closed.

12.0.0b5

Important: This package was previously named azure-storage-file

Going forward, to use this SDK, please install azure-storage-file-share. Additionally:

The namespace within the package has also been renamed to azure.storage.fileshare.
FileServiceClient has been renamed to ShareServiceClient.
DirectoryClient has been renamed to ShareDirectoryClient.
FileClient has been renamed to ShareFileClient.

Additional Breaking changes

ShareClient now accepts only account_url with mandatory a string param share_name. To use a share_url, the method from_share_url must be used.
ShareDirectoryClient now accepts only account_url with mandatory string params share_name and directory_path. To use a directory_url, the method from_directory_url must be used.
ShareFileClient now accepts only account_url with mandatory string params share_name and file_path. To use a file_url, the method from_file_url must be used.
file_permission_key parameter has been renamed to permission_key
set_share_access_policy has required parameter signed_identifiers.
NoRetry policy has been removed. Use keyword argument retry_total=0 for no retries.
Removed types that were accidentally exposed from two modules. Only ShareServiceClient, ShareClient, ShareDirectoryClient and ShareFileClient should be imported from azure.storage.fileshare.aio
Some parameters have become keyword only, rather than positional. Some examples include:
- loop
- max_concurrency
- validate_content
- timeout etc.
Client and model files have been made internal. Users should import from the top level modules azure.storage.fileshare and azure.storage.fileshare.aio only.
The generate_shared_access_signature methods on each of ShareServiceClient, ShareClient and ShareFileClient have been replaced by module level functions generate_account_sas, generate_share_sas and generate_file_sas.
start_range and end_range params are now renamed to and behave likeoffset and length in the following APIs:
- download_file
- upload_range
- upload_range_from_url
- clear_range
- get_ranges
StorageStreamDownloader is no longer iterable. To iterate over the file data stream, use StorageStreamDownloader.chunks.
The public attributes of StorageStreamDownloader have been limited to:
- name (str): The name of the file.
- path (str): The full path of the file.
- share (str): The share the file will be downloaded from.
- properties (FileProperties): The properties of the file.
- size (int): The size of the download. Either the total file size, or the length of a subsection if specified. Previously called download_size.
StorageStreamDownloader now has new functions:
- readall(): Reads the complete download stream, returning bytes. This replaces the functions content_as_bytes and content_as_text which have been deprecated.
- readinto(stream): Download the complete stream into the supplied writable stream, returning the number of bytes written. This replaces the function download_to_stream which has been deprecated.
ShareFileClient.close_handles and ShareDirectoryClient.close_handles have both been replaced by two functions each; close_handle(handle) and close_all_handles(). These functions are blocking and return integers (the number of closed handles) rather than polling objects.
get_service_properties now returns a dict with keys consistent to set_service_properties

New features

ResourceTypes, NTFSAttributes, and Services now have method from_string which takes parameters as a string.

12.0.0b4

Breaking changes

Permission models.
- AccountPermissions, SharePermissions and FilePermissions have been renamed to AccountSasPermissions, ShareSasPermissions and FileSasPermissions respectively.
- enum-like list parameters have been removed from all three of them.
- __add__ and __or__ methods are removed.
max_connections is now renamed to max_concurrency.

New features

AccountSasPermissions, FileSasPermissions, ShareSasPermissions now have method from_string which takes parameters as a string.

12.0.0b3

New features

Added upload_range_from_url API to write the bytes from one Azure File endpoint into the specified range of another Azure File endpoint.
Added set_http_headers for directory_client, create_permission_for_share and get_permission_for_share APIs.
Added optional parameters for smb properties related parameters for create_file*, create_directory* related APIs and set_http_headers API.
Updated get_properties for directory and file so that the response has SMB properties.

Dependency updates

Adopted azure-core 1.0.0b3
- If you later want to revert to previous versions of azure-storage-file, or another Azure SDK library requiring azure-core 1.0.0b1 or azure-core 1.0.0b2, you must explicitly install the specific version of azure-core as well. For example:
pip install azure-core==1.0.0b2 azure-storage-file==12.0.0b2

Fixes and improvements

Fix where content-type was being added in the request when not mentioned explicitly.

12.0.0b2

Breaking changes

Renamed copy_file_from_url to start_copy_from_url and changed behaviour to return a dictionary of copy properties rather than a polling object. Status of the copy operation can be retrieved with the get_file_properties operation.
Added abort_copy operation to the FileClient class. This replaces the previous abort operation on the copy status polling operation.
The behavior of listing operations has been modified:
- The previous marker parameter has been removed.
- The iterable response object now supports a by_page function that will return a secondary iterator of batches of results. This function supports a continuation_token parameter to replace the previous marker parameter.
The new listing behaviour is also adopted by the receive_messages operation:
- The receive operation returns a message iterator as before.
- The returned iterator supports a by_page operation to receive messages in batches.

New features

Added async APIs to subnamespace azure.storage.file.aio.
Distributed tracing framework OpenCensus is now supported.

Dependency updates

Adopted azure-core 1.0.0b2
- If you later want to revert to azure-storage-file 12.0.0b1, or another Azure SDK library requiring azure-core 1.0.0b1, you must explicitly install azure-core 1.0.0b1 as well. For example:
pip install azure-core==1.0.0b1 azure-storage-file==12.0.0b1

Fixes and improvements

Fix for closing file handles - continuation token was not being passed to subsequent calls.
General refactor of duplicate and shared code.

12.0.0b1

Version 12.0.0b1 is the first preview of our efforts to create a user-friendly and Pythonic client library for Azure Storage Files. For more information about this, and preview releases of other Azure SDK libraries, please visit https://aka.ms/azure-sdk-preview1-python.

Breaking changes: New API design

Operations are now scoped to a particular client:
- FileServiceClient: This client handles account-level operations. This includes managing service properties and listing the shares within an account.
- ShareClient: The client handles operations for a particular share. This includes creating or deleting that share, as well as listing the directories within that share, and managing properties and metadata.
- DirectoryClient: The client handles operations for a particular directory. This includes creating or deleting that directory, as well as listing the files and subdirectories, and managing properties and metadata.
- FileClient: The client handles operations for a particular file. This includes creating or deleting that file, as well as upload and download data and managing properties.
These clients can be accessed by navigating down the client hierarchy, or instantiated directly using URLs to the resource (account, share, directory or file). For full details on the new API, please see the reference documentation.
The copy file operation now returns a polling object that can be used to check the status of the operation, as well as abort the operation.
The close_handles operation now return a polling object that can be used to check the status of the operation.
Download operations now return a streaming object that can download data in multiple ways:
- Iteration: The streamer is an iterable object that will download and yield the content in chunks. Only supports single threaded download.
- content_as_bytes: Return the entire file content as bytes. Blocking operation that supports multi-threaded download.
- content_as_text: Return the entire file content as decoded text. Blocking operation that supports multi-threaded download.
- download_to_stream: Download the entire content to an open stream handle (e.g. an open file). Supports multi-threaded download.
New underlying REST pipeline implementation, based on the new azure.core library.
Client and pipeline configuration is now available via keyword arguments at both the client level, and per-operation. See reference documentation for a full list of optional configuration arguments.
New error hierarchy:
- All service errors will now use the base type: azure.core.exceptions.HttpResponseError
- The are a couple of specific exception types derived from this base type for common error scenarios:
  - ResourceNotFoundError: The resource (e.g. queue, message) could not be found. Commonly a 404 status code.
  - ResourceExistsError: A resource conflict - commonly caused when attempting to create a resource that already exists.
  - ResourceModifiedError: The resource has been modified (e.g. overwritten) and therefore the current operation is in conflict. Alternatively this may be raised if a condition on the operation is not met.
  - ClientAuthenticationError: Authentication failed.
Operation set_file_properties has been renamed to set_http_headers.
Operations get_file_to_<output> have been replaced with download_file. See above for download output options.
Operations create_file_from_<input> have been replace with upload_file.
Operations get_share_acl and set_share_acl have been renamed to get_share_access_policy and set_share_access_policy.
Operation set_share_properties has been renamed to set_share_quota.
Operation snapshot_share has been renamed to create_snapshot.
Operation copy_file has been renamed to copy_file_from_url.
No longer have specific operations for get_metadata - use get_properties instead.
No longer have specific operations for exists - use get_properties instead.
Operation update_range has been renamed to upload_range.

2.0.1

Updated dependency on azure-storage-common.

2.0.0

Support for 2018-11-09 REST version. Please see our REST API documentation and blogs for information about the related added features.
Added an option to get share stats in bytes.
Added support for listing and closing file handles.

1.4.0

azure-storage-nspkg is not installed anymore on Python 3 (PEP420-based namespace package)

1.3.1

Fixed design flaw where get_file_to_* methods buffer entire file when max_connections is set to 1.

1.3.0

Support for 2018-03-28 REST version. Please see our REST API documentation and blog for information about the related added features.

1.2.0rc1

Support for 2017-11-09 REST version. Please see our REST API documentation and blog for information about the related added features.

1.1.0

Support for 2017-07-29 REST version. Please see our REST API documentation and blogs for information about the related added features.
Error message now contains the ErrorCode from the x-ms-error-code header value.

1.0.0

The package has switched from Apache 2.0 to the MIT license.
Fixed bug where get_file_to_* cannot get a single byte when start_range and end_range are both equal to 0.
Metadata keys are now case-preserving when fetched from the service. Previously they were made lower-case by the library.

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