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A Cython plugin for coverage.py
Requires the coverage package at least in version 4.0 (which added the plugin API).
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Try to find a C source file for a file path found by the tracer.
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Desperately parse all C files in the directory or its package parents
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Parse a Cython generated C/C++ source file and find the executable lines.
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Find the Python/Cython source file for a Cython module.
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Determine source file path. Called by the function call tracer.
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Provide detailed trace information for one source file to coverage.py.
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Return set of line numbers that are possibly executable.
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Return the source code of the file as a string.
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Iterate over the source code tokens.
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