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Extended tuple's C API to include a new function, PyTuple_Pack() that is

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useful for rapidly building argument tuples without having to invoke the
more sophisticated machinery of Py_BuildValue().
This commit is contained in:
Raymond Hettinger 2003-10-12 18:24:34 +00:00
parent d662548c72
commit cb2da43db8
4 changed files with 37 additions and 1 deletions
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10
Doc/api/concrete.tex
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@ -973,7 +973,7 @@ which is \ASCII. The file system calls should use
\cdata{Py_FileSystemDefaultEncoding} as the encoding for file
names. This variable should be treated as read-only: On some systems,
it will be a pointer to a static string, on others, it will change at
run-time, e.g. when the application invokes setlocale.
run-time (such as when the application invokes setlocale).
Error handling is set by errors which may also be set to \NULL{}
meaning to use the default handling defined for the codec. Default
@ -1584,6 +1584,14 @@ format.
Return a new tuple object of size \var{len}, or \NULL{} on failure.
\end{cfuncdesc}
\begin{cfuncdesc}{PyObject*}{PyTuple_Pack}{int n, \moreargs}
Return a new tuple object of size \var{n}, or \NULL{} on failure.
The tuple values are initialized to the subsequent \var{n} C arguments
pointing to Python objects. \samp{PyTuple_Pack(2, \var{a}, \var{b})}
is equivalent to \samp{Py_BuildValue("(OO)", \var{a}, \var{b})}.
\versionadded{2.4}
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyTuple_Size}{PyObject *p}
Takes a pointer to a tuple object, and returns the size of that
tuple.