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توضیحات

asyncio transport over GnuTLS

ویژگی	مقدار
سیستم عامل	POSIX :: Linux
نام فایل	aio-gnutls-transport-0.3.1
نام	aio-gnutls-transport
نسخه کتابخانه	0.3.1
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Anthony Baire
ایمیل نویسنده	Anthony.Baire@irisa.fr
آدرس صفحه اصلی	https://gitlab.inria.fr/abaire/aio_gnutls_transport/
آدرس اینترنتی	https://pypi.org/project/aio-gnutls-transport/
مجوز	LGPL2.1+

aio\_gnutls\_transport - asyncio transport over GnuTLS ====================================================== `aio_gnutls_transport` provides a python3 [asyncio transport](https://docs.python.org/3/library/asyncio-protocol.html) over [GnuTLS](https://gnutls.org/). It aims to be a **drop-in replacement** for the native SSL transport in the stdlib (and which is based on OpenSSL). It also supports **half-closed TLS connections**, in other words you can [.write\_eof()](https://docs.python.org/3/library/asyncio-protocol.html?highlight=write_eof#asyncio.WriteTransport.write_eof) on TLS streams (which is not possible with the native implementation). #### Licence GNU Lesser General Public License version 2.1 or any later version (LGPLv2.1+) #### Requirements - python >= 3.6 - gnutls >= 3.5 - cffi >= 1.0.0 #### Supported platforms - Linux #### Bugs Bugs shall be reported [in the gitlab project](https://gitlab.inria.fr/abaire/aio_gnutls_transport/issues). Please mark security-critical issues as _confidential_. Getting started --------------- In most cases, using `aio_gnutls_transport` is as simple as: ```py from aio_gnutls_transport import ssl, GnutlsEventLoopPolicy asyncio.set_event_loop_policy(GnutlsEventLoopPolicy()) ``` `aio_gnutls_transport.ssl` is the compatibility module to be used in place of the native `ssl` module. It provides its own `SSLContext` implementation for GnuTLS. `GnutlsEventLoopPolicy` is an asyncio [event loop policy](https://docs.python.org/3/library/asyncio-policy.html) that installs a wrapper around the default event loop implementation to support the `SSLContext` objects created by the `aio_gnutls_transport.ssl` module. Configuring TLS parameters -------------------------- The security properties of `GnutlsContext` are configured using [GnuTLS priority strings](https://gnutls.org/manual/html_node/Priority-Strings.html). `aio_gnutls_transport.DEFAULT_PRIORITY` holds the default priority string set by `ssl.create_default_context()` (its current value is `SECURE:-RSA:%PROFILE_MEDIUM:%SERVER_PRECEDENCE` and it will be kept to a sane default). The priority string is configurable on a per-context basis by calling `GnuTLSContext.gnutls_set_priority()`. For example, to disable TLS versions older than 1.3: ```py ctx = ssl.create_default_context() ctx.gnutls_set_priority(aio_gnutls_transport.DEFAULT_PRIORITY + ":-VERS-ALL:+VERS-TLS1.3") ``` For any details about assembling a priority string, please refer to the [GnuTLS Manual](https://gnutls.org/manual/html_node/Priority-Strings.html). Contents of this package ------------------------ This packages provides: | item | description | native equivalent | | --------------------------------------------- | ------------------------- | ----------------- | | `aio_gnutls_transport.GnutlsContext ` | GnuTLS context | `ssl.SSLContext` | | `aio_gnutls_transport.GnutlsError ` | GnuTLS error class | `ssl.SSLError` | | `aio_gnutls_transport.GnutlsEventLoopPolicy ` | an asyncio event loop policy using `GnutlsEventLoop` instead of the default event loop | `asyncio.DefaultEventLoopPolicy` | | `aio_gnutls_transport.GnutlsEventLoop ` | an event loop which supports GnuTLS contexts | `asyncio.SelectorEventLoop` | | `aio_gnutls_transport.GnutlsObject ` | TLS connection state object | `ssl.SSLObject` | | `aio_gnutls_transport.GnutlsHandshakeProtocol` | asyncio protocol implementing the TLS handshake | | | `aio_gnutls_transport.GnutlsTransport ` | asyncio transport over GnuTLS | `asyncio.sslproto._SSLProtocolTransport` | | `aio_gnutls_transport.ssl` | the `ssl` compatibility module | `ssl` | Caveats ------- The `aio_gnutls_transport.ssl` compatibility module provides only a subset of the native `ssl` stdlib module. Achieving 100% compatibility is a non-goal (it would not be realistic since the native module is tightly coupled with OpenSSL). Instead we take a minimalist and conservative approach: `aio_gnutls_transport` only supports the most common features and any attempt to use an unsupported attribute/method raises `NotImplementedError`. The ssl module currently provides the following definitions: ```py ssl.SSLContext ssl.create_default_context() ssl.CERT_NONE ssl.CERT_OPTIONAL ssl.CERT_REQUIRED ssl.Purpose ssl.VerifyMode ssl.DER_cert_to_PEM_cert ssl.PEM_cert_to_DER_cert ``` and SSLContext supports the following attributes/methods: ```py SSLContext.check_hostname SSLContext.load_cert_chain() SSLContext.load_verify_locations() SSLContext.load_default_certs() SSLContext.verify_mode ``` Also, be aware that: * Errors are reported as `aio_gnutls_transport.GnutlsError` is not compatible with the native `ssl.SSLError` class (through they both derive from `OSError`). * `aio_gnutls_transport.ssl.SSLContext` derives from `ssl.SSLContext`, but they do not share their implementation. This is necessary to enable interoperability with 3rd-party libraries (eg: aiohttp) that enforce strict type checking.

نحوه نصب

نصب پکیج whl aio-gnutls-transport-0.3.1:

pip install aio-gnutls-transport-0.3.1.whl

نصب پکیج tar.gz aio-gnutls-transport-0.3.1:

pip install aio-gnutls-transport-0.3.1.tar.gz