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        "author": "Thautwarm",
        "author_email": "twshere@outlook.com",
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            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
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        "description": "\nAdditional Grammar Compatible to CPython \n==========================================\n\n\nHow to Get Flowpython\n-----------------------\n\n- Intsall \n\n.. code:: shell\n    \n    pip install flowpython\n\n\n- Enable/Disable Flowpython grammar\n\n.. code:: shell\n\n    python -m flowpython -m enable/disable\n\n\nVERSION\n----------\nflowpython  == 0.2.3\n\nCPython == 3.6.x/3.5.x\n\n\nRequirement\n------------\nCPython == 3.6.x/3.5.x\n\nC/C++ Compiler \n\n- My version was built on clang-3.8.1/GCC-6.3.0 on linux-deepin\n\n\nGrammar\n------------\n\n**with quite few new additional keywords here**\n\n* **Where Syntax**\n\n    .. code:: python\n\n        (test) where:\n            statements\n        ...\n        # \"test\" is the top one of expressions in Python Grammar.\n\n- Take a look at here:\n    the **where** blocks would be **executed before the expression at the head**, \n    but it should be **located at the end**.\n- Q :Why did I bring \"where\" syntax into Python?\n- A :For **combining the expressions and statements** in Python and enhanced the readability of procedure. \n\n- See the following codes:\n\n    .. code:: python\n\n        # \u5706\u67f1\u9762\u79ef / surface area of a cylinder \n        from math import pi\n        r = 1  # the radius\n        h = 10 # the height\n\n        S = (2*S_top + S_side) where:\n            S_top  = pi*r**2\n            S_side = C * h where:\n                C = 2*pi*r\n\n- And where syntax makes it possible for **Lambda** in Python to do everything that **def** can do.\n\n    .. code:: python\n\n        # multi-row lambda in python\n    \n        lambda x:  someFunc(x) where:\n            def someFunc(var):\n               pass\n    \n        lambda x:  ret where:\n            def someFunc(var):\n               ...\n            ret = someFunc(x)\n    \nHowever, in Flowpython, there are some other way more interesting supplied to define a \"lambda\" than \"lambda x: f(x)\" :\n\n* **Lambda Syntax**\n\n    .. code:: python\n\n        # Lambda\n\n        lambda x,y,z : lambda a,b,c : x*a + y*b + z*c\n        # which equals to \n        .x,y,z -> .a,b,c ->  x*a + y*b + z*c\n        # which equals to \n        as-with x,y,z def as a,b,c def x*a + y*b + z*c\n\n        #look at this example:\n    \n        as-with x def as y def as z def x+y+z\n        # which equals to \n        as-with x def as-with y def as-with z def x+y+z\n\nAnd we know that there are some powerful tools in some FP languages, like \n\n* **Pattern matching**\n\n    .. code:: python\n\n        condef +[<] 1:\n            case a:2   => \n                assert a == 1 and a < 2\n            +(.x->type(x))\n            case a:int =>\n                assert a == 1 and type(a) == int\n        condef 1:\n            +(.x->2*x)\n            case a:3   => \n                assert a == 1 and a*2 == 3\n            +[is not]\n            case a:2   =>\n                assert a == 1 and a is not 2\n            otherwise  =>\n                ...\n        \n        # new syntax: matching filter\n        condef[] [1,2,3] :\n            +(type) \n            case (*a,b)->a:list =>\n                assert type(a) == list\n            otherwise           =>\n                assert False,\"emmmm\"\n\n\nThere are more optional grammars, just see GitHub `Link  <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md>`_. \n        \nMore about Pattern Matching to see `TestFile <https://github.com/thautwarm/flowpython/blob/master/test/test_patm.py>`_\nAnd `Distribute History <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md#powerful-pattern-matching>`_\n\nAnother useful tool in Flowpython is **Arrow Transform**, which enhances the readability greatly and makes it possible \nto **Avoid Prolix Parentheses**.  \n\n* **Arrow Transform**\n    \n    .. code:: python\n\n        range(100) -> reduce(.x,y->x+y, _) -> print(_) where:\n            from functools import reduce\n\n        [1,2,3] -> map(.x->x+1, _) -> list(_) -> print(_)\n\nRead `Arrow Transform  <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md#arrow-transform>`_ to get a konwledge of this grammar.\n\n            \n    \nRevision\n------------\n\nSee `Distribution History <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md>`_  here.\n\n\nCompile FlowPython For Yourself\n--------------------------------------\n\n**For Windows User**\n    - You'd better use Visual Studio to make the Python project, and it must be the easiest thing in the world, I think.\n    \n    - I have tried with **Cygwin** but finally failed. \n\n**For Linux User**\n\nFirstly, you should have a C/C++ compiler like: \n    \n    - https://gcc.gnu.org/\n    \n    - http://releases.llvm.org/\n\nTo give some advice, you can easily get C/C++ compiler with    \n    \n    - **MinGW/Cygwin** on **windows** (Failed, please have a try with Visual Studio)\n\n    - **sudo apt-get install gcc/clang** on **Ubuntu/Debian/Deepin** (maybe it also works for MacOS).\n\nAnd then you should have a CPython distribution like Python-3.6.2, like:\n    \n    - https://www.python.org/\n\nAnd then you should replace the files of the standard CPython distribution with Flowpython.\n\nIf you change the variable of **pythonDistPath** in the file **config.py** with  the path of your Python distribution, \n\njust run this command:\n\n.. code:: shell\n\n    ./conf commit -v try_flowPython\n\nEveryting about Flowpython can be found in the directory \"/flowpy\".\n\nFinally open the CMD/Terminal at the root of CPython distribution,\n\nrun the following commands:\n    \n.. code:: shell\n\n    ./configure CC=<your C/C++ compiler>\n    make regen-gramamr\n    make regen-ast\n    make\n    ./python\n\nIf you change the variable of **pythonDistPath** in the file **config.py** with  the path of your Python distribution, \n\njust run this command:\n\n.. code:: shell\n\n    ./conf make -m all\n    \nAnd then you can enjoy Flowpython!\n\n\nFor Developers\n---------------\n\nI wrote config.py as the project-manage tool of Flowpython.\n\nIt assembled the following modules:\n    - make\n    - git\n    - customer version controler \n    - debug&unittest\n\nIt can be used like these way:\n\n.. code:: shell\n\n        ./conf commit -v <version_name>\n        ./conf recover \n        ./conf test \n        ./conf make -m clean\n        ./conf make -m ast\n        ...\n\nIt seems to be kind of complicated but it's quite easy to understand and operate in fact.\n\n\n\n\n\n\n\n\n\n\n\n\n",
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