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    "info": {
        "author": "Samuel Stauffer, Basho Technologies",
        "author_email": "clients@basho.com",
        "bugtrack_url": null,
        "classifiers": [
            "Intended Audience :: Developers",
            "License :: OSI Approved :: BSD License",
            "Operating System :: OS Independent",
            "Programming Language :: Python",
            "Topic :: Software Development :: Libraries :: Python Modules"
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        "description": "Erlastic\n========\n\nUsage\n-----\n\nErlastic allows you to serialize/deserialize python objects into `erlang\nbinary term <http://erlang.org/doc/apps/erts/erl_ext_dist.html>`__.\n\nBasic usage is :\n\n::\n\n    import erlastic\n    py_struct = erlastic.decode(binary_term)\n    binary = erlastic.encode(py_struct)\n\nErlang Port communication usage\n-------------------------------\n\nThe library contains also a function to use python with erlastic in an\nerlang port to communicate erlang binary term : ``port_communication()``\nwhich return ``(mailbox,port)``. They are both python coroutines\n(executed generator) so you can communicate with erlang coroutine using\npython abstractions :\n\n-  ``mailbox`` waits for port message in stdin, iterating over messages\n   decoded from binary erlang term format.\n-  ``port`` waits for ``send(python_struct)``\n   (http://docs.python.org/3.3/reference/expressions.html#generator.send)\n   then encode ``python_struct`` into binary term format and send it to\n   the erlang port via stdout.\n\nSo for instance, if you want to create a Python server which receives\nthe tuple {A,B} and return {ok,A/B} of {error,divisionbyzero} you can\nuse at the python side :\n\n::\n\n    from erlastic import port_connection,Atom as A\n    mailbox,port = port_connection()\n\n    for (a,b) in mailbox:\n      port.send((A(\"ok\"),a/b) if b!=0 else (A(\"error\"),A(\"divisionbyzero\")))\n\nand at the erlang side, use ``-u`` python parameter to prevent python\noutput buffering, use 4 bytes packet length because it is the\nconfiguration used by the python generators.\n\n::\n\n    Port = open_port({spawn,\"python3 -u add_server.py\"},[binary,{packet,4}]),\n    Div = fun(A,B)->\n      Port ! {self(),{command,term_to_binary({A,B})}},\n      receive {Port,{data,Bin}}->binary_to_term(Bin) after 1000->{error,timeout} end\n    end,\n    io:format(\"send {A,B}=~p, python result : ~p~n\",[{32,10},Div(32,10)]),\n    io:format(\"send {A,B}=~p, python result : ~p~n\",[{2,0},Div(2,0)]),\n    io:format(\"send {A,B}=~p, python result : ~p~n\",[{1,1},Div(1,1)])\n\nor in elixir :\n\n::\n\n    port = Port.open({:spawn,'python3 -u add_server.py'},[:binary|[packet: 4]])\n    div = fn(a,b)->\n      port <- {self,{:command,term_to_binary({a,b})}}\n      receive do {_,{:data,b}} -> binary_to_term(b) after 100->{:error,:timeout} end\n    end\n    IO.puts \"send {a,b}={32,10}, python result : #{inspect div.(32,10)}\"\n    IO.puts \"send {a,b}={2,0}, python result : #{inspect div.(2,0)}\"\n    IO.puts \"send {a,b}={1,1}, python result : #{inspect div.(1,1)}\"",
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