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author | Martin Panter <vadmium+py@gmail.com> | 2016-11-21 04:22:22 (GMT) |
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committer | Martin Panter <vadmium+py@gmail.com> | 2016-11-21 04:22:22 (GMT) |
commit | 99b6f283515f783afb0acfda09b354eb9feff008 (patch) | |
tree | 1229e8e4dac21cf929ff8a504aa30de4fbd3b369 /Doc/howto | |
parent | ceccc8562083292d764499e9ed45938f9fb50a1e (diff) | |
parent | 357ed2e57703a92faaae1236813a6d3e2b3d910f (diff) | |
download | cpython-99b6f283515f783afb0acfda09b354eb9feff008.zip cpython-99b6f283515f783afb0acfda09b354eb9feff008.tar.gz cpython-99b6f283515f783afb0acfda09b354eb9feff008.tar.bz2 |
Merge doc fixups from 3.5
Diffstat (limited to 'Doc/howto')
-rw-r--r-- | Doc/howto/clinic.rst | 30 | ||||
-rw-r--r-- | Doc/howto/cporting.rst | 2 |
2 files changed, 16 insertions, 16 deletions
diff --git a/Doc/howto/clinic.rst b/Doc/howto/clinic.rst index f435884..4742d84 100644 --- a/Doc/howto/clinic.rst +++ b/Doc/howto/clinic.rst @@ -30,7 +30,7 @@ Argument Clinic's primary goal is to take over responsibility for all argument parsing code inside CPython. This means that, when you convert a function to work with Argument Clinic, that function should no longer -do any of its own argument parsing--the code generated by +do any of its own argument parsing—the code generated by Argument Clinic should be a "black box" to you, where CPython calls in at the top, and your code gets called at the bottom, with ``PyObject *args`` (and maybe ``PyObject *kwargs``) @@ -43,12 +43,12 @@ redundant information in a surprising number of places. When you use Argument Clinic, you don't have to repeat yourself. Obviously, no one would want to use Argument Clinic unless -it's solving their problem--and without creating new problems of +it's solving their problem—and without creating new problems of its own. So it's paramount that Argument Clinic generate correct code. It'd be nice if the code was faster, too, but at the very least it should not introduce a major speed regression. (Eventually Argument -Clinic *should* make a major speedup possible--we could +Clinic *should* make a major speedup possible—we could rewrite its code generator to produce tailor-made argument parsing code, rather than calling the general-purpose CPython argument parsing library. That would make for the fastest @@ -113,7 +113,7 @@ line. However, if the input hasn't changed, the output won't change either. You should never modify the output portion of an Argument Clinic block. Instead, change the input until it produces the output you want. (That's the purpose of the -checksum--to detect if someone changed the output, as these edits would be lost +checksum—to detect if someone changed the output, as these edits would be lost the next time Argument Clinic writes out fresh output.) For the sake of clarity, here's the terminology we'll use with Argument Clinic: @@ -166,7 +166,7 @@ Let's dive in! or if it has multiple calls to :c:func:`PyArg_ParseTuple`, you should choose a different function. Argument Clinic *does* support all of these scenarios. But these are advanced - topics--let's do something simpler for your first function. + topics—let's do something simpler for your first function. Also, if the function has multiple calls to :c:func:`PyArg_ParseTuple` or :c:func:`PyArg_ParseTupleAndKeywords` where it supports different @@ -188,7 +188,7 @@ Let's dive in! If the old docstring had a first line that looked like a function signature, throw that line away. (The docstring doesn't need it - anymore--when you use ``help()`` on your builtin in the future, + anymore—when you use ``help()`` on your builtin in the future, the first line will be built automatically based on the function's signature.) @@ -209,7 +209,7 @@ Let's dive in! 6. Above the docstring, enter the name of the function, followed by a blank line. This should be the Python name of the function, and should be the full dotted path - to the function--it should start with the name of the module, + to the function—it should start with the name of the module, include any sub-modules, and if the function is a method on a class it should include the class name too. @@ -275,7 +275,7 @@ Let's dive in! What's a "converter"? It establishes both the type of the variable used in C, and the method to convert the Python value into a C value at runtime. - For now you're going to use what's called a "legacy converter"--a + For now you're going to use what's called a "legacy converter"—a convenience syntax intended to make porting old code into Argument Clinic easier. @@ -424,7 +424,7 @@ Let's dive in! (Argument Clinic always generates its format strings with a ``:`` followed by the name of the function. If the existing code's format string ends with ``;``, to provide - usage help, this change is harmless--don't worry about it.) + usage help, this change is harmless—don't worry about it.) Third, for parameters whose format units require two arguments (like a length variable, or an encoding string, or a pointer @@ -637,7 +637,7 @@ an optional argument on the *left* side of its required argument! Another example is ``curses.window.addch()``, which has a group of two arguments that must always be specified together. (The arguments are called ``x`` and ``y``; if you call the function passing in ``x``, -you must also pass in ``y``--and if you don't pass in ``x`` you may not +you must also pass in ``y``—and if you don't pass in ``x`` you may not pass in ``y`` either.) In any case, the goal of Argument Clinic is to support argument parsing @@ -888,7 +888,7 @@ Advanced converters Remember those format units you skipped for your first time because they were advanced? Here's how to handle those too. -The trick is, all those format units take arguments--either +The trick is, all those format units take arguments—either conversion functions, or types, or strings specifying an encoding. (But "legacy converters" don't support arguments. That's why we skipped them for your first function.) The argument you specified @@ -1002,7 +1002,7 @@ Using a return converter By default the impl function Argument Clinic generates for you returns ``PyObject *``. But your C function often computes some C type, then converts it into the ``PyObject *`` at the last moment. Argument Clinic handles converting your inputs from Python types -into native C types--why not have it convert your return value from a native C type +into native C types—why not have it convert your return value from a native C type into a Python type too? That's what a "return converter" does. It changes your impl function to return @@ -1184,7 +1184,7 @@ Writing a custom converter As we hinted at in the previous section... you can write your own converters! A converter is simply a Python class that inherits from ``CConverter``. The main purpose of a custom converter is if you have a parameter using -the ``O&`` format unit--parsing this parameter means calling +the ``O&`` format unit—parsing this parameter means calling a :c:func:`PyArg_ParseTuple` "converter function". Your converter class should be named ``*something*_converter``. @@ -1226,7 +1226,7 @@ to specify in your subclass. Here's the current list: The default value used to initialize the C variable when there is no default, but not specifying a default may result in an "uninitialized variable" warning. This can - easily happen when using option groups--although + easily happen when using option groups—although properly-written code will never actually use this value, the variable does get passed in to the impl, and the C compiler will complain about the "use" of the @@ -1402,7 +1402,7 @@ Let's start with defining some terminology: all of processing, even from Clinic blocks *after* the ``suppress`` - The text is suppressed--thrown away. + The text is suppressed—thrown away. Clinic defines five new directives that let you reconfigure its output. diff --git a/Doc/howto/cporting.rst b/Doc/howto/cporting.rst index 27e7e6f..7cacb0a 100644 --- a/Doc/howto/cporting.rst +++ b/Doc/howto/cporting.rst @@ -95,7 +95,7 @@ long/int Unification -------------------- Python 3 has only one integer type, :func:`int`. But it actually -corresponds to Python 2's :func:`long` type--the :func:`int` type +corresponds to Python 2's :func:`long` type—the :func:`int` type used in Python 2 was removed. In the C-API, ``PyInt_*`` functions are replaced by their ``PyLong_*`` equivalents. |