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r76146 | brett.cannon | 2009-11-07 15:55:05 -0800 (Sat, 07 Nov 2009) | 6 lines
When trying to write new bytecode, importlib was not catching the IOError
thrown if the file happened to be read-only to keep the failure silent.
Fixes issue #7187. Thanks, Dave Malcolm for the report and analysis of the
problem.
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r76113 | brett.cannon | 2009-11-04 17:17:22 -0800 (Wed, 04 Nov 2009) | 3 lines
importlib.test.source.util referenced variables in the 'finally' part of a
try/finally which may not have been set.
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r76114 | brett.cannon | 2009-11-04 17:26:57 -0800 (Wed, 04 Nov 2009) | 6 lines
Use tempfile.mkdtemp() instead of tempfile.tempdir for where importlib places
source files for tests. Allows for concurrent execution of the tests by
preventing various executions from trampling each other.
Closes issue #7248.
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r74584 | brett.cannon | 2009-08-29 20:47:36 -0700 (Sat, 29 Aug 2009) | 3 lines
Have importlib raise ImportError if None is found in sys.modules. This matches
current import semantics.
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r74107 | brett.cannon | 2009-07-19 20:19:18 -0700 (Sun, 19 Jul 2009) | 8 lines
Importlib's documentation said that importlib.abc.PyLoader inherited from
importlib.abc.ResourceLoader, when in fact it did not. Fixed the ABC to inherit
as documented.
This does in introduce an backwards-incompatiblity as the code in PyLoader
already required the single method ResourceLoader defined as an abstract
method.
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case-sensitive filesystems -- which is not the default case. Along the way also
fixed the skipping of tests when sys.dont_write_bytecode is true.
Closes issue #5442 again.
entries in sys.path_importer_cache. While this differs from semantics in how
__import__ works, it prevents any implicit semantics from taking hold with
users.
(mostly stuff specified by PEP 302). There are two ABCs, PyLoader and
PyPycLoader, which help with implementing source and source/bytecode loaders by
implementing load_module in terms of other methods. This removes a lot of
gritty details loaders typically have to worry about.
+ Ditch using arguments to super().
+ Ditch subclassing from object directly.
+ Move directory check out of chaining path hook to file path hook/finder.
+ Rename some classes to better reflect they are finders, not importers.
load failure in relation to reloads. Also expose
importlib.util.module_for_loader to handle all of the details of this along
with making sure all current loaders behave nicely.
and relies much more on meta path finders to abstract out various parts of
import.
As part of this the semantics for import_module tightened up and now follow
__import__ much more closely (biggest thing is that the 'package' argument must
now already be imported, else a SystemError is raised).
Brett Cannon
Georg Brandl
Raymond Hettinger
Benjamin Peterson