WebIf you use a local variable but did not assign a value, both Cython and the C compiler will issue a warning “local variable … referenced before assignment”. You need to assign a value at some point before first using the variable, but you can also assign a value directly as part of the declaration in most cases: Pure Python Cython

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http://docs.cython.org/en/latest/src/userguide/external_C_code.html WebApr 7, 2024 · There's nothing obviously wrong based on what you show here: 1) Make sure you're building with the same version of Python you run it with; 2) make sure you're not renaming any files - leave the names that Cython creates; 3) Cython itself should create the module export function - I'm slightly worried that initcython_helpers is your attempt to … fishing tackle kit

Python ImportError: cannot import name

WebIf you want to declare a name xyz and have Cython inject the text “make the C compiler fail here” into the C file for it, you can do this using a C name declaration. Consider this an advanced feature, only for the rare cases where everything else fails. Including verbatim C … http://docs.cython.org/en/latest/src/quickstart/build.html WebOct 28, 2024 · Edit: to verify that a Cython implemented package was built with the correct(ed) Cython version, unpack its source distribution (*.tar.gz from PyPI), find the .c or .cpp files in it and look at their first line. If it says /* Generated by Cython 0.28 */ or a later version, it includes the fix. If the version is older, it does not include the ... cancer causing benzene in sunscreen