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        "author": "Romain Picard",
        "author_email": "romain.picard@oakbits.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 2 - Pre-Alpha",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: MIT License",
            "Natural Language :: English",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7"
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        "description": "======\ndooble\n======\n\n\n.. image:: https://img.shields.io/pypi/v/dooble.svg\n        :target: https://pypi.python.org/pypi/dooble\n\n.. image:: https://img.shields.io/travis/MainRo/dooble.svg\n        :target: https://travis-ci.org/MainRo/dooble\n\n\nDooble is a marble diagram generator from text. It eases the documentation of\nReactiveX standard and custom operators, in a consitent way.\n\nInstallation\n-------------\n\n.. code:: python\n\n        pip install dooble\n\nA sphinx plugin is also available:\n\n.. code:: python\n\n        pip install sphinxcontrib-dooble\n\nUsage\n------\n\nThe text grammar allows to easilly define *observables* and *operators*. The map\noperator with an input observable and an output observable is described the\nfollowing way:\n\n.. code::\n\n        --1--2--3--4-->\n        [ map(i: i*2) ]\n        --2--4--6--8-->\n\nsave this text in a file named *map.txt* and then render it to an image:\n\n.. code:: console\n\n        dooble --input map.txt --output map.png\n\nThe generated image looks like this:\n\n.. image:: examples/map.png\n\n\n*Higher order observables* can also be documented easilly:\n\n.. code::\n\n        --a-b-c---d-e-f-->\n        [     window     ]\n        --+-------+------>\n                  +d-e-f-|\n          +a-b-c-|\n\nsave this text in a file named *window.txt* and then render it to an image:\n\n.. code:: console\n\n        dooble --input window.txt --output window.png\n\nThe generated image looks like this:\n\n.. image:: examples/window.png\n\nFor operators that take several observables as input, it is possible to label\nthem:\n\n.. code::\n\n        --1--2--3--*\n                 a-7-8-|\n        [   catch(a)   ]\n        --1--2--3--7-8-|\n\nsave this text in a file named *catch.txt* and then render it to an image:\n\n.. code:: console\n\n        dooble --input catch.txt --output catch.png\n\nThe generated image looks like this:\n\n.. image:: examples/catch.png\n\nFull grammar\n------------\n\n* Each text line represents either an observable, or an operator\n* Observables are defined with dash lines\n* If an Observable starts with a letter, this letter is considered as a label\n* Each character represent a time span\n* Character ``|`` indicates an observable completion\n* Character ``*`` indicates an observable error\n* Character ``>`` indicates an observable continutation\n* The ``+`` character is used to define anchors of higher order observables\n* operators start with a ``[`` and end with a ``]``\n\nThe full grammar is the following one (in tatsu pseudo ebnf syntax):\n\n.. code::\n\n        @@grammar::dooble\n\n        start = { layer } $ ;\n\n        layer\n        =\n        | obs:observable\n        | op:operator\n        ;\n\n        observable = {skipspan}* [prefix] {lifetime}* completion ;\n        operator = '[' description ']' ;\n\n        prefix = '+' | label ;\n\n        label = /[a-z]/ ;\n\n        lifetime\n        =\n        | ts:timespan\n        | item:item\n        ;\n\n        completion = /[>|*]/ ;\n\n        skipspan = ' ' ;\n        timespan = '-' ;\n        item = /[a-zA-Z0-9+.,]+/ ;\n\n        description = /[a-zA-Z0-9,:+*() <>_]+/ ;\n\n\n\n=======\nHistory\n=======\n\n0.1.0 (2019-02-08)\n------------------\n\n* First release on PyPI.",
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