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| author | Benjamin Peterson <benjamin@python.org> | 2009-06-28 03:18:59 (GMT) |
|---|---|---|
| committer | Benjamin Peterson <benjamin@python.org> | 2009-06-28 03:18:59 (GMT) |
| commit | 876b2f286b9af1a69846c84d1229014b2a885c97 (patch) | |
| tree | 1934d1ce119603a4ae7a0a37c01957a3ca2d17a2 /Doc/reference/compound_stmts.rst | |
| parent | d2397753ee3d20579aa60b5e1c037e9e20db7ccb (diff) | |
| download | cpython-876b2f286b9af1a69846c84d1229014b2a885c97.zip cpython-876b2f286b9af1a69846c84d1229014b2a885c97.tar.gz cpython-876b2f286b9af1a69846c84d1229014b2a885c97.tar.bz2 | |
Merged revisions 72912,72920,72940 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r72912 | benjamin.peterson | 2009-05-25 08:13:44 -0500 (Mon, 25 May 2009) | 5 lines
add a SETUP_WITH opcode
It speeds up the with statement and correctly looks up the special
methods involved.
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r72920 | benjamin.peterson | 2009-05-25 15:12:57 -0500 (Mon, 25 May 2009) | 1 line
take into account the fact that SETUP_WITH pushes a finally block
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r72940 | benjamin.peterson | 2009-05-26 07:49:59 -0500 (Tue, 26 May 2009) | 1 line
teach the peepholer about SETUP_WITH
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Diffstat (limited to 'Doc/reference/compound_stmts.rst')
| -rw-r--r-- | Doc/reference/compound_stmts.rst | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Doc/reference/compound_stmts.rst b/Doc/reference/compound_stmts.rst index 016ccbb..4444f18 100644 --- a/Doc/reference/compound_stmts.rst +++ b/Doc/reference/compound_stmts.rst @@ -354,6 +354,8 @@ The execution of the :keyword:`with` statement with one "item" proceeds as follo #. The context expression is evaluated to obtain a context manager. +#. The context manager's :meth:`__exit__` is loaded for later use. + #. The context manager's :meth:`__enter__` method is invoked. #. If a target was included in the :keyword:`with` statement, the return value @@ -363,9 +365,9 @@ The execution of the :keyword:`with` statement with one "item" proceeds as follo The :keyword:`with` statement guarantees that if the :meth:`__enter__` method returns without an error, then :meth:`__exit__` will always be - called. Thus, if an error occurs during the assignment to the target - list, it will be treated the same as an error occurring within the suite - would be. See step 5 below. + called. Thus, if an error occurs during the assignment to the target list, + it will be treated the same as an error occurring within the suite would + be. See step 6 below. #. The suite is executed. |