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Package resource API
--------------------
A resource is a logical file contained within a package, or a logical
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names being passed into the API.
The package resource API is designed to work with normal filesystem packages,
.egg files, and unpacked .egg files. It can also work in a limited way with
.zip files and with custom PEP 302 loaders that support the ``get_data()``
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N)r r r2 rd )r r r r r r r i s
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If `entry` is unspecified, it defaults to the ``.location`` of `dist`.
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will be invoked with each requirement that cannot be met by an
already-installed distribution; it should return a ``Distribution`` or
``None``.
Unless `replace_conflicting=True`, raises a VersionConflict exception
if
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the wrong version. Otherwise, if an `installer` is supplied it will be
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it.
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# display errors
print('Could not load', errors)
The `plugin_env` should be an ``Environment`` instance that contains
only distributions that are in the project's "plugin directory" or
directories. The `full_env`, if supplied, should be an ``Environment``
contains all currently-available distributions. If `full_env` is not
supplied, one is created automatically from the ``WorkingSet`` this
method is called on, which will typically mean that every directory on
``sys.path`` will be scanned for distributions.
`installer` is a standard installer callback as used by the
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attempt to resolve older versions of a plugin if the newest version
cannot be resolved.
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that were loadable, along with any other distributions that are needed
to resolve their dependencies. `error_info` is a dictionary mapping
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error that occurred. Usually this will be a ``DistributionNotFound`` or
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unspecified, it defaults to the current platform. `python` is an
optional string naming the desired version of Python (e.g. ``'3.3'``);
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You may explicitly set `platform` (and/or `python`) to ``None`` if you
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N)r? r rY r )r r r r r r r r s
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This calls the ``find(req)`` method of the `working_set` to see if a
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active in the specified `working_set`.) If a suitable distribution
isn't active, this method returns the newest distribution in the
environment that meets the ``Requirement`` in `req`. If no suitable
distribution is found, and `installer` is supplied, then the result of
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The Python egg cache directory is currently set to:
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Perhaps your account does not have write access to this directory?
You can change the cache directory by setting the PYTHON_EGG_CACHE
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