A compiler/language for writing Python extension modules.
Pyrex is Python with C types. It is specially designed to allow you to
write extension modules for Python that have the speed of C and the
simplicity and readability of Python. You write your code in a Python-like
language with C-typed variables, then use the pyrexc compiler to transform
it into a C representation. This is useful for speeding up critical sections
of your Python code or wrapping an external library.
Please see the documentation for how to get the best performance from your
This example demonstrates how you can wrap a C API
that has a callback interface, so that you can
pass Python functions to it as callbacks.
The files cheesefinder.h and cheesefinder.c
represent the C library to be wrapped.
The file cheese.pyx is the Pyrex module
which wraps it.
The file run_cheese.py demonstrates how to
call the wrapper.
This example demonstrates how Pyrex-generated code
can be called directly from a main program written in C.
In this example, the module's initialisation function
(called "initembedded", since the module is called
"embedded") is called explicitly. This is necessary
because the module is not being imported using the
normal Python import mechanism.
The Windows makefiles were contributed by
Welcome to Pyrex!
This is a development version of Pyrex, a language
for writing Python extension modules.
For more info, see:
Doc/About.html for a description of the language
INSTALL.txt for installation instructions
USAGE.txt for usage instructions
Demos for usage examples
Comments, suggestions, bug reports, etc. are
<!DOCTYPE doctype PUBLIC "-//w3c//dtd html 4.0 transitional//en">
- All use of lvalue casts has been eliminated, for
DONE - Pointer-to-function types.
DONE - Nested declarators.
DONE - Varargs C func defs and calls.
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