Reduce README.md to a pointer to the readthedocs page.

1 files changed, 5 insertions, 96 deletions

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 CFFI
 ====
 
-Foreign Function Interface for Python calling C code. The aim of this project
-is to provide a convenient and reliable way of calling C code from Python.
-The interface is based on [luajit FFI](http://luajit.org/ext_ffi.html) and
-follows a few principles:
+Foreign Function Interface for Python calling C code.
+Please see the [Documentation](http://cffi.readthedocs.org/).
 
-* The goal is to call C code from Python.  You should be able to do so
-  without learning a 3rd language: every alternative requires you to learn
-  their own language ([Cython](http://www.cython.org),
-  [SWIG](http://www.swig.org/)) or API
-  ([ctypes](http://docs.python.org/library/ctypes.html)).  So we tried to
-  assume that you know Python and C and minimize the extra bits of API that
-  you need to learn.
+Download
+--------
 
-* Keep all the Python-related logic in Python so that you don't need to
-  write much C code (unlike
-  [CPython native C extensions](http://docs.python.org/extending/extending.html)).
-
-* Work either at the level of the ABI (Application Binary Interface)
-  or the API (Application Programming Interface).  Usually, C
-  libraries have a specified C API but often not an ABI (e.g. they may
-  document a "struct" as having at least these fields, but maybe more).
-  ([ctypes](http://docs.python.org/library/ctypes.html) works at the ABI
-  level, whereas
-  [native C extensions](http://docs.python.org/extending/extending.html)
-  work at the API level.)
-
-* We try to be complete.  For now some C99 constructs are not supported,
-  but all C89 should be, including macros (apart from the most advanced
-  (ab)uses of these macros).
-
-Simple example (ABI level)
---------------------------
-
-    >>> from cffi import FFI
-    >>> ffi = FFI()
-    >>> ffi.cdef("""
-    ...     int printf(const char *format, ...);     // copy-pasted from the man page
-    ... """)                                  
-    >>> C = ffi.dlopen(None)                     # loads the entire C namespace
-    >>> arg = ffi.new("char[]", "world")         # equivalent to C code: char arg[] = "world";
-    >>> C.printf("hi there, %s!\n", arg);        # call printf
-    hi there, world!
-    >>>
-
-Real example (API level)
-------------------------
-
-    from cffi import FFI
-    ffi = FFI()
-    ffi.cdef("""     // some declarations from the man page
-        struct passwd {
-            char *pw_name;
-            ...;
-        };
-        struct passwd *getpwuid(int uid);
-    """)
-    C = ffi.verify("""   // passed to the real C compiler
-    #include <sys/types.h>
-    #include <pwd.h>
-    """)
-    assert str(C.getpwuid(0).pw_name) == 'root'
-
-Note that the above example works independently of the exact layout of
-"struct passwd", but so far require a C compiler at runtime.  (We plan
-to improve with caching and a way to distribute the compiled code.)
-
-Struct/Array Example
---------------------
-
-    from cffi import FFI
-    ffi = FFI()
-    ffi.cdef("""
-        typedef struct {
-            unsigned char r, g, b;
-        } pixel_t;
-    """)
-    image = ffi.new("pixel_t[]", 800*600)
-    image[0].r = 255
-    image[0].g = 192
-    image[0].b = 128
-
-This can be used as a more flexible replacement of the
-[struct](http://docs.python.org/library/struct.html) and
-[array](http://docs.python.org/library/array.html) modules.
-You could also call ``ffi.new("pixel_t[600][800]")``
-and get a two-dimensional array.
-
-
-More documentation
-------------------
-
-See [More docs](http://cffi.readthedocs.org/) for examples and supported features.
+[Download page](https://bitbucket.org/cffi/cffi/downloads)
 
 Contact
 -------
 
 [Mailing list](https://groups.google.com/forum/#!forum/python-cffi)
-
-
-Initial motivation
-------------------
-
-http://mail.python.org/pipermail/pypy-dev/2012-May/009915.html