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        "author": "Ilya Konovalov",
        "author_email": "aragaer@gmail.com",
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        "classifiers": [
            "Development Status :: 3 - Alpha",
            "License :: OSI Approved :: MIT License",
            "Operating System :: POSIX",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Topic :: Utilities"
        ],
        "description": "# Channels [![Build Status](https://travis-ci.com/aragaer/channels.svg?branch=master)](https://travis-ci.com/aragaer/channels) [![codecov](https://codecov.io/gh/aragaer/channels/branch/master/graph/badge.svg)](https://codecov.io/gh/aragaer/channels) [![BCH compliance](https://bettercodehub.com/edge/badge/aragaer/channels?branch=master)](https://bettercodehub.com/results/aragaer/channels) [![donate using paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donate_SM.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=aragaer@gmail.com&lc=RU&item_name=CHANNELS&currency_code=USD&bn=PP-DonationsBF:btn_donate_SM.gif:NonHosted)\n\nSimple wrapper around file objects and sockets that provides uniform\ninterface to both.\n\nExample:\n\n    pipe_chan = PipeChannel(sys.stdin.fileno(), sys.stdout.fileno())\n\tsock_chan = SocketChannel(socket.create_connection(('127.0.0.1', 8080))\n\n## Classes\n\n### Channel\nChannel is the base class for different channels. Every channel\nimplements the following methods:\n\n`read(self)`\n\nPerforms a non-blocking read and returns any bytes available. Raises\n`EndpointClosedException` if the channel is closed.\n\n`write(self, *data)`\n\nWrites chunks of bytes to the channel. Raises `EndpointClosedException`.\n\n`close(self)`\n\nCloses the channel and frees up the resources.\n\n`get_fd(self)`\n\nReturns a file descriptor number that can be used for `poll` or\n`epoll` for reading. Raises `NotImplementedError` if (custom) channel\ndoesn't support reading.\n\nEvery channel has a `buffering` property (read-only). It is equal to\n`'line'` for line-buffered channels. It should be `'bytes'` otherwise\nbut any value other than `'line'` works.\n\nThe following channel classes are implemented:\n\n### PipeChannel\n\n`PipeChannel(faucet=None, sink=None, *, buffering='bytes')`\n\n`faucet` should be a file descriptor open for reading. `sink` should\nbe a file descriptor open for writing. If both are provided, the\nchannel is bi-directional. Sets `faucet` to non-blocking mode.\n\nIf `buffering` is set to `'line'` the channel uses line-buffering for\nreading. Every `read` call will return `b''` if there is no complete\nline available even if there is any data at all. If channel is closed\nbut there is data in buffer, calls to `read` will return lines from\nbuffer until it is exhausted. Last line maybe an incomplete line (no\n`'\\n'` in the end).\n\n### SocketChannel\n\n`SocketChannel(sock, *, buffering='bytes')`\n\nWraps a socket for non-blocking IO. See PipeChannel for more info on\n`buffering` parameter.\n\n### TestChannel\n\n(in package channels.testing)\n\n`TestChannel(*, buffering='bytes')`\n\nSee PipeChannel for more info on `buffering` parameter.\n\nProvides `put` and `get` methods to to feed data to `read` and fetch\n\"written\" data respectively.\n\n### Poller\nPoller is a wrapper for `select.poll` that also supports accepting and\nkeeping track of TCP/Unix clients.\n\n`Poller(*, buffering='bytes')`\n\nCreates a poller object. All accepted client channels inherit the\n`buffering` parameter.\n\n`register(self, channel)`\n\nRegisters the channel for polling.\n\n`add_server(self, sock)`\n\nRegisters a server socket. Poller will accept incoming connections and\nautomatically register clients.\n\n`unregister(self, channel)`\n\nRemoves a registered channel. Silently does nothing if channel is not\nregistered.\n\n`close_all(self)`\n\nCloses all registered channels and servers.\n\n`poll(self, timeout=None)`\n\nPerforms a single call to `select.poll()`. `timeout` is the number of\nseconds for polling or `None` for infinite polling. Return value is a\nlist of pairs in format of `(data, channel)` for channels and `((addr,\nclient_channel), sock)` for server sockets. `addr` depends on socket\ntype. For line-based channels single `poll` call will return one\nresult for every line available.\n\n\n",
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