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Cython - compile Cython code (.pyx) into C to build a Python extension


cython [options] sourcefile.{pyx,py} ...


Cython (http://cython.org) is a compiler for code written in the Cython language. Cython
is based on Pyrex by Greg Ewing.


-V, --version
Display version number of cython compiler

-l, --create-listing
Write error messages to a listing file

-I, --include-dir <directory>
Search for include files in named directory (multiple include directories are

-o, --output-file <filename>
Specify name of generated C file

-t, --timestamps
Only compile newer source files

-f, --force
Compile all source files (overrides implied -t)

-v, --verbose
Be verbose, print file names on multiple compilation

-p, --embed-positions
If specified, the positions in Cython files of each function definition is embedded
in its docstring.

--cleanup <level>
Release interned objects on python exit, for memory debugging. Level indicates
aggressiveness, default 0 releases nothing.

-w, --working <directory>
Sets the working directory for Cython (the directory modules are searched from)

--gdb Output debug information for cygdb

--gdb-outdir <directory>
Specify gdb debug information output directory. Implies --gdb.

-D, --no-docstrings
Strip docstrings from the compiled module.

-a, --annotate
Produce a colorized HTML version of the source.

--annotate-coverage <cov.xml>
Annotate and include coverage information from cov.xml.

Produce #line directives pointing to the .pyx source

Output a C++ rather than C file.

Generate a main() function that embeds the Python interpreter.

-2 Compile based on Python-2 syntax and code semantics.

-3 Compile based on Python-3 syntax and code semantics.

Change some compile time errors to runtime errors to improve Python compatibility

Add cincluded headers to any auto-generated header files.

Abort the compilation on the first error

--warning-errors, -Werror
Make all warnings into errors

--warning-extra, -Wextra
Enable extra warnings

-X, --directive <name>=<value>[,<name=value,...] Overrides a compiler directive

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