# Brightway2 speedups
A series of function written in [Cython](http://cython.org/) that speed up critical functions to improve the overall performance of the [Brightway2 life cycle assessment framework](https://brightwaylca.org).
In order to avoid having to have Cython as a dependency, this library includes both the `pyx` and Cython-generated `c` code, and is distributed as pre-compiled [wheels](https://pypi.python.org/pypi/wheel), except on Linux where access to a `C` compiler is assumed.
## Building `C` files
cython -t bw2speedups/_consolidate.pyx bw2speedups/_indexer.pyx bw2speedups/_find_first.pyx
## Building shared libraries
Although you can do this inplace, in my experience it is easier to just install the library in a temporary environment. You don't want to deal with `.so` files in the source repository.
## Testing
Install the library into a temporary environment, then manually run the separate test files, i.e. `python bw2speedupds/test/test_consolidate.py`. This isn't the most elegant, but it will do for now.
## Building wheels
pip install wheel
python setup.py bdist_wheel
Note that this has to be done separately for each OS and environment, i.e. Windows 32-bit and 64-bit versions of Python are separate wheels, even with the same version of Windows.
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"description": "# Brightway2 speedups\n\nA series of function written in [Cython](http://cython.org/) that speed up critical functions to improve the overall performance of the [Brightway2 life cycle assessment framework](https://brightwaylca.org).\n\nIn order to avoid having to have Cython as a dependency, this library includes both the `pyx` and Cython-generated `c` code, and is distributed as pre-compiled [wheels](https://pypi.python.org/pypi/wheel), except on Linux where access to a `C` compiler is assumed.\n\n## Building `C` files\n\n cython -t bw2speedups/_consolidate.pyx bw2speedups/_indexer.pyx bw2speedups/_find_first.pyx\n\n## Building shared libraries\n\nAlthough you can do this inplace, in my experience it is easier to just install the library in a temporary environment. You don't want to deal with `.so` files in the source repository.\n\n## Testing\n\nInstall the library into a temporary environment, then manually run the separate test files, i.e. `python bw2speedupds/test/test_consolidate.py`. This isn't the most elegant, but it will do for now.\n\n## Building wheels\n\n pip install wheel\n python setup.py bdist_wheel\n\nNote that this has to be done separately for each OS and environment, i.e. Windows 32-bit and 64-bit versions of Python are separate wheels, even with the same version of Windows.\n",
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