diff options
author | Erlend E. Aasland <erlend@python.org> | 2023-07-15 22:42:58 (GMT) |
---|---|---|
committer | GitHub <noreply@github.com> | 2023-07-15 22:42:58 (GMT) |
commit | 8c177294899b621fe04ae755abd41b4d319dd4b5 (patch) | |
tree | cc83a7802d8908b3f39154e4b379c2272d1a51ed /Doc/howto | |
parent | d46a42fd8e8915e03cc211ab9163058b6365ab0f (diff) | |
download | cpython-8c177294899b621fe04ae755abd41b4d319dd4b5.zip cpython-8c177294899b621fe04ae755abd41b4d319dd4b5.tar.gz cpython-8c177294899b621fe04ae755abd41b4d319dd4b5.tar.bz2 |
Docs: Normalize Argument Clinic How-To section capitalization (#106788)
Diffstat (limited to 'Doc/howto')
-rw-r--r-- | Doc/howto/clinic.rst | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/Doc/howto/clinic.rst b/Doc/howto/clinic.rst index 4620b46..0f99cb6 100644 --- a/Doc/howto/clinic.rst +++ b/Doc/howto/clinic.rst @@ -27,7 +27,8 @@ Argument Clinic How-To version of Argument Clinic that ships with the next version of CPython *could* be totally incompatible and break all your code. -The Goals Of Argument Clinic + +The goals of Argument Clinic ============================ Argument Clinic's primary goal @@ -78,7 +79,7 @@ and it should be able to do many interesting and smart things with all the information you give it. -Basic Concepts And Usage +Basic concepts and usage ======================== Argument Clinic ships with CPython; you'll find it in ``Tools/clinic/clinic.py``. @@ -141,7 +142,7 @@ For the sake of clarity, here's the terminology we'll use with Argument Clinic: a block.) -Converting Your First Function +Converting your first function ============================== The best way to get a sense of how Argument Clinic works is to @@ -558,7 +559,8 @@ Let's dive in! Congratulations, you've ported your first function to work with Argument Clinic! -Advanced Topics + +Advanced topics =============== Now that you've had some experience working with Argument Clinic, it's time @@ -636,7 +638,8 @@ after the last argument). Currently the generated code will use :c:func:`PyArg_ParseTuple`, but this will change soon. -Optional Groups + +Optional groups --------------- Some legacy functions have a tricky approach to parsing their arguments: @@ -899,6 +902,7 @@ available. For each converter it'll show you all the parameters it accepts, along with the default value for each parameter. Just run ``Tools/clinic/clinic.py --converters`` to see the full list. + Py_buffer --------- @@ -908,7 +912,6 @@ you *must* not call :c:func:`PyBuffer_Release` on the provided buffer. Argument Clinic generates code that does it for you (in the parsing function). - Advanced converters ------------------- @@ -975,6 +978,7 @@ value called ``NULL`` for just this reason: from Python's perspective it behaves like a default value of ``None``, but the C variable is initialized with ``NULL``. + Expressions specified as default values --------------------------------------- @@ -1032,7 +1036,6 @@ you're not permitted to use: * Tuple/list/set/dict literals. - Using a return converter ------------------------ @@ -1146,6 +1149,7 @@ then modifying it. Cloning is an all-or nothing proposition. Also, the function you are cloning from must have been previously defined in the current file. + Calling Python code ------------------- @@ -1380,6 +1384,7 @@ handle initialization and cleanup. You can see more examples of custom converters in the CPython source tree; grep the C files for the string ``CConverter``. + Writing a custom return converter --------------------------------- @@ -1394,8 +1399,9 @@ write your own return converter, please read ``Tools/clinic/clinic.py``, specifically the implementation of ``CReturnConverter`` and all its subclasses. + METH_O and METH_NOARGS ----------------------------------------------- +---------------------- To convert a function using ``METH_O``, make sure the function's single argument is using the ``object`` converter, and mark the @@ -1415,8 +1421,9 @@ any arguments. You can still use a self converter, a return converter, and specify a ``type`` argument to the object converter for ``METH_O``. + tp_new and tp_init functions ----------------------------------------------- +---------------------------- You can convert ``tp_new`` and ``tp_init`` functions. Just name them ``__new__`` or ``__init__`` as appropriate. Notes: @@ -1437,6 +1444,7 @@ them ``__new__`` or ``__init__`` as appropriate. Notes: (If your function doesn't support keywords, the parsing function generated will throw an exception if it receives any.) + Changing and redirecting Clinic's output ---------------------------------------- @@ -1721,7 +1729,7 @@ the file was not modified by hand before it gets overwritten. The #ifdef trick ----------------------------------------------- +---------------- If you're converting a function that isn't available on all platforms, there's a trick you can use to make life a little easier. The existing @@ -1801,7 +1809,6 @@ Argument Clinic added to your file (it'll be at the very bottom), then move it above the ``PyMethodDef`` structure where that macro is used. - Using Argument Clinic in Python files ------------------------------------- |