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author | Brett Cannon <brett@python.org> | 2012-04-15 01:58:33 (GMT) |
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committer | Brett Cannon <brett@python.org> | 2012-04-15 01:58:33 (GMT) |
commit | 2a082add9d26f280a889fb5043910bf56df84a6a (patch) | |
tree | 2f7b37fd5608a707026f5f3f23fcc58d84006906 | |
parent | 49f8d8b016b030b7501ce8dc2babe5dfc14985e9 (diff) | |
download | cpython-2a082add9d26f280a889fb5043910bf56df84a6a.zip cpython-2a082add9d26f280a889fb5043910bf56df84a6a.tar.gz cpython-2a082add9d26f280a889fb5043910bf56df84a6a.tar.bz2 |
Clarify that one should not use __import__() directly. Also mention
PEP 328 in explaining how 'index' works.
-rw-r--r-- | Doc/library/functions.rst | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index 2674ef9..9287bfb 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -1447,8 +1447,9 @@ are always available. They are listed here in alphabetical order. replaced (by importing the :mod:`builtins` module and assigning to ``builtins.__import__``) in order to change semantics of the :keyword:`import` statement, but nowadays it is usually simpler to use import - hooks (see :pep:`302`). Direct use of :func:`__import__` is rare, except in - cases where you want to import a module whose name is only known at runtime. + hooks (see :pep:`302`) to attain the same goals. Direct use of + :func:`__import__` is entirely discouraged in favor of + :func:`importlib.import_module`. The function imports the module *name*, potentially using the given *globals* and *locals* to determine how to interpret the name in a package context. @@ -1460,7 +1461,8 @@ are always available. They are listed here in alphabetical order. *level* specifies whether to use absolute or relative imports. ``0`` (the default) means only perform absolute imports. Positive values for *level* indicate the number of parent directories to search relative to the - directory of the module calling :func:`__import__`. + directory of the module calling :func:`__import__` (see :pep:`328` for the + details). When the *name* variable is of the form ``package.module``, normally, the top-level package (the name up till the first dot) is returned, *not* the |