Metadata-Version: 2.1
Name: aiohttp-client-cache
Version: 0.2.2
Summary: Persistent cache for aiohttp requests
Home-page: https://github.com/JWCook/aiohttp-client-cache
Author: Jordan Cook
License: MIT License
Description: # aiohttp-client-cache
        
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        **aiohttp-client-cache** is an async persistent cache for [aiohttp](https://docs.aiohttp.org)
        client requests.
        
        See full documentation at https://aiohttp-client-cache.readthedocs.io
        
        ## Development Status
        **This is an early work in progress!**
        
        The current state is a working drop-in replacement (or mixin) for `aiohttp.ClientSession`, with
        multiple asynchronous cache backends.
        
        Breaking changes should be expected until a `1.0` release.
        
        ## Installation
        Requires python 3.7+
        
        Install the latest stable version with pip:
        ```bash
        pip install aiohttp-client-cache
        ```
        
        **Note:** You will need additional dependencies depending on which backend you want to use; See
        [Cache Backends](#cache-backends) section below for details.
        To install with extra dependencies for all supported backends:
        ```bash
        pip install aiohttp-client-cache[backends]
        ```
        
        See [Contributing](https://github.com/JWCook/aiohttp-client-cache/blob/main/README.md)
        for setup info for local development.
        
        ## Usage Examples
        See the [examples](https://github.com/JWCook/aiohttp-client-cache/blob/main/examples)
        folder for more detailed usage examples.
        
        Here is a simple example using an endpoint that takes 1 second to fetch.
        After the first request, subsequent requests to the same URL will return near-instantly; so,
        fetching it 10 times will only take ~1 second instead of 10.
        ```python
        from aiohttp_client_cache import CachedSession, SQLiteBackend
        
        async with CachedSession(cache=SQLiteBackend()) as session:
            for i in range(10):
                await session.get('http://httpbin.org/delay/1')
        ```
        
        Here is an example with more customized behavior:
        ```python
        cache = SQLiteBackend(
            cache_name='~/.cache/aiohttp-requests.db',     # For SQLite, this will be used as the filename
            expire_after=24,                               # By default, cached responses expire in a day
            expire_after_urls={'*.site.com/static': 24*7}, # Requests with this pattern will expire in a week
            ignored_params=['auth_token'],                 # Ignore this param when caching responses
        )
        
        async with CachedSession(cache=cache) as session:
            await session.get('https://site.com/index.html')             # Expires in a day
            await session.get('https://img.site.com/static/a27bf6.jpg')  # Expires in a week
        ```
        See [CacheBackend](https://aiohttp-client-cache.readthedocs.io/en/latest/modules/aiohttp_client_cache.backends.base.html#aiohttp_client_cache.backends.base.CacheBackend)
        documentation for more usage details.
        
        `aiohttp-client-cache` can also be used as a mixin, if you happen have other mixin classes that you
        want to combine with it:
        ```python
        from aiohttp import ClientSession
        from aiohttp_client_cache import CacheMixin
        
        class CustomSession(CacheMixin, CustomMixin, ClientSession):
            pass
        ```
        
        ## Cache Backends
        Several backends are available. If one isn't specified, a non-persistent in-memory cache will be used.
        
        * `SQLiteBackend`: Uses a [SQLite](https://www.sqlite.org) database
          (requires [aiosqlite](https://github.com/omnilib/aiosqlite))
        * `RedisBackend`: Uses a [Redis](https://redis.io/) cache
          (requires [redis-py](https://github.com/andymccurdy/redis-py))
        * `MongoDBBackend`: Uses a [MongoDB](https://www.mongodb.com/) database
          (requires [motor](https://motor.readthedocs.io))
          
        **Incomplete:**
        * `DynamoDBBackend`: Uses a [Amazon DynamoDB](https://aws.amazon.com/dynamodb/) database
          (requires [boto3](https://github.com/boto/boto3))
        * `GridFSBackend`: Uses a [MongoDB GridFS](https://docs.mongodb.com/manual/core/gridfs/) database,
          which enables storage of documents greater than 16MB
          (requires [pymongo](https://pymongo.readthedocs.io/en/stable/))
        
        You can also provide your own backend by subclassing `aiohttp_client_cache.backends.BaseCache`.
        
        ## Expiration
        If you are using the `expire_after` parameter, expired responses are removed from the storage the
        next time the same request is made. If you want to manually purge all expired items, you can use
        `CachedSession.delete_expired_responses`. Example:
        
        ```python
        session = CachedSession(expire_after=3)   # Cached responses expire after 3 hours
        await session.remove_expired_responses()  # Remove any responses over 3 hours old
        ```
        
        ## Conditional Caching
        Caching behavior can be customized by defining various conditions:
        * Response status codes
        * Request HTTP methods
        * Request headers
        * Specific request parameters
        * Custom filter function
        
        See [CacheBackend](https://aiohttp-client-cache.readthedocs.io/en/latest/modules/aiohttp_client_cache.backends.base.html#aiohttp_client_cache.backends.base.CacheBackend)
        docs for details.
        
        ## Related Projects
        Other python cache projects you may want to check out:
        
        * [aiohttp-cache](https://github.com/cr0hn/aiohttp-cache): A server-side async HTTP cache for the
          `aiohttp` web server
        * [diskcache](https://github.com/grantjenks/python-diskcache): A general-purpose (not HTTP-specific)
          file-based cache built on SQLite
        * [aiocache](https://github.com/aio-libs/aiocache): General-purpose (not HTTP-specific) async cache
          backends
        * [requests-cache](https://github.com/reclosedev/requests-cache) An HTTP cache for `requests`; also served as a starting point for making `aiohttp-client-cache`
        * [CacheControl](https://github.com/ionrock/cachecontrol): An HTTP cache for `requests` that caches
          according to uses HTTP headers and status codes
        
        ## Credits
        Thanks to [Roman Haritonov](https://github.com/reclosedev) and
        [contributors](https://github.com/reclosedev/requests-cache/blob/master/CONTRIBUTORS.rst)
        for the original `requests-cache`!
        
        This project is licensed under the MIT license, with the exception of portions of
        [storage backend code](https://github.com/reclosedev/requests-cache/tree/master/requests_cache/backends/storage)
        adapted from `requests-cache`, which is licensed under the BSD license
        ([copy included](https://github.com/JWCook/aiohttp-client-cache/blob/main/requests_cache.md)).
        
        # History
        
        ## 0.3.0 (TBD)
        [See all issues & PRs here](https://github.com/JWCook/aiohttp-client-cache/milestone/2?closed=1)
        
        * Add support for setting different expiration times based on URL patterns
        * Add support for serializing/deserializing `ClientSession.links`
        * Add case-insensitive response headers for compatibility with aiohttp.ClientResponse.headers
        
        ## 0.2.0 (2021-02-28)
        [See all issues & PRs here](https://github.com/JWCook/aiohttp-client-cache/milestone/1?closed=1)
        
        * Refactor SQLite backend to use `aiosqlite` for async cache operations
        * Refactor MongoDB backend to use `motor` for async cache operations
        * Refactor Redis backend to use `aiosqlite` for async cache operations
        * Add integration tests and `docker-compose` for local test servers
        
        ## 0.1.0 (2020-11-14)
        * Initial PyPI release
        * First pass at a general refactor and conversion from `requests` to `aiohttp`
        * Basic features are functional, but some backends do not actually operate asynchronously
        
        ## requests-cache
        See `requests-cache` [development history](https://github.com/reclosedev/requests-cache/blob/master/HISTORY.rst)
        for details on prior changes.
        
Keywords: aiohttp,async,asyncio,cache,cache-backends,client,http,persistence,requests,sqlite redis mongodb dynamodb
Platform: UNKNOWN
Classifier: Development Status :: 2 - Pre-Alpha
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Programming Language :: Python :: 3.9
Description-Content-Type: text/markdown
Provides-Extra: build
Provides-Extra: backends
Provides-Extra: docs
Provides-Extra: test
Provides-Extra: dev
