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authorGeorg Brandl <georg@python.org>2007-10-23 18:26:17 (GMT)
committerGeorg Brandl <georg@python.org>2007-10-23 18:26:17 (GMT)
commit083bea49a8b74a5f758c6641c299f0cc8c114616 (patch)
treea89b9c539cda872e733149ea48e610b974bd3c32 /Doc/c-api/concrete.rst
parentb6538a86bae16b47b55af1e6cc2c8cf76c30f7e1 (diff)
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Remove duplicate entry for PyObject_AsFileDescriptor.
Diffstat (limited to 'Doc/c-api/concrete.rst')
-rw-r--r--Doc/c-api/concrete.rst8
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/c-api/concrete.rst b/Doc/c-api/concrete.rst
index 1855688..f492f16 100644
--- a/Doc/c-api/concrete.rst
+++ b/Doc/c-api/concrete.rst
@@ -2420,13 +2420,17 @@ change in future releases of Python.
.. warning::
Take care when you are mixing streams and descriptors! For more
- information, see `GNU C Library
+ information, see `the GNU C Library docs
<http://www.gnu.org/software/libc/manual/html_node/Stream_002fDescriptor-Precautions.html#Stream_002fDescriptor-Precautions>`_.
.. cfunction:: int PyObject_AsFileDescriptor(PyObject *p)
- Return the file descriptor associated with *p* as an :ctype:`int`.
+ Return the file descriptor associated with *p* as an :ctype:`int`. If the
+ object is an integer or long integer, its value is returned. If not, the
+ object's :meth:`fileno` method is called if it exists; the method must return
+ an integer, which is returned as the file descriptor value. Sets an
+ exception and returns ``-1`` on failure.
.. cfunction:: PyObject* PyFile_GetLine(PyObject *p, int n)