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Issue #17117: Have both import itself and importlib.util.set_loader()

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set __loader__ on a module when set to None.

Thanks to Gökcen Eraslan for the fix.
This commit is contained in:
Brett Cannon 2013-03-13 10:41:36 -07:00
parent aa73a1c9c9
commit 4802becb16
8 changed files with 3446 additions and 3378 deletions
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16
Doc/reference/import.rst
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@ -369,16 +369,18 @@ Loaders must satisfy the following requirements:
* The ``__loader__`` attribute must be set to the loader object that loaded
the module. This is mostly for introspection and reloading, but can be
used for additional loader-specific functionality, for example getting
data associated with a loader.
data associated with a loader. If the attribute is missing or set to ``None``
then the import machinery will automatically set it **after** the module has
been imported.
* The module's ``__package__`` attribute should be set. Its value must be a
* The module's ``__package__`` attribute must be set. Its value must be a
string, but it can be the same value as its ``__name__``. If the attribute
is set to ``None`` or is missing, the import system will fill it in with a
more appropriate value. When the module is a package, its ``__package__``
value should be set to its ``__name__``. When the module is not a package,
``__package__`` should be set to the empty string for top-level modules, or
for submodules, to the parent package's name. See :pep:`366` for further
details.
more appropriate value **after** the module has been imported.
When the module is a package, its ``__package__`` value should be set to its
``__name__``. When the module is not a package, ``__package__`` should be
set to the empty string for top-level modules, or for submodules, to the
parent package's name. See :pep:`366` for further details.
This attribute is used instead of ``__name__`` to calculate explicit
relative imports for main modules, as defined in :pep:`366`.