In [1]:

    

#Run this once to install
%install_ext https://raw.githubusercontent.com/DlangScience/PydMagic/master/pyd_magic.py


    

    




Installed pyd_magic.py. To use it, type:
  %load_ext pyd_magic

In [2]:

    

%load_ext pyd_magic


    

In [3]:

    

%%pyd

@pdef!() string hello() {
    return "Hello World!";
}

@pdef!(Docstring!"takes a single int, returns that int converted to a string")
string intToStr(int b)
{
    import std.conv;
    return b.to!string;
}

@pdef!(PyName!"binary_zebra") int zebra()
{
    return 101010101;
}

long[] whereExactlyIntegral(float[] data)
{
    import std.algorithm, std.array;
    return data.filter!(x => x == cast(long)x).map!(x => cast(long)x).array;
}

@pdef!(PyName!"whereExactlyIntegral")
auto whereExactlyIntegral_numpy(float[] data)
{
    import pyd.extra;
    return data.whereExactlyIntegral().d_to_python_numpy_ndarray();
}


    

In [4]:

    

hello()


    

    
Out[4]:





'Hello World!'

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binary_zebra()


    

    
Out[5]:





101010101

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intToStr(665543)


    

    
Out[6]:





'665543'

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whereExactlyIntegral([0.23, 0.53, 1.0, 6.0, 3.51])


    

    
Out[7]:





array([1, 6], dtype=int64)

In [8]:

    

import numpy as np
data = np.random.random_integers(0,1000,10000000).astype(np.float32) / 73
whereExactlyIntegral(data).size


    

    
Out[8]:





139543

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