instead builds any C extensions in-place, updates the ``.egg-info``
metadata, adds the source directory to ``sys.path``, and runs the tests
directly on the source.  This avoids an "unmanaged" installation of the
package to ``site-packages`` or elsewhere.  (Also, fix a breaking test of
older dependency support; this should probably be removed altogether, as
long as nobody's using it.)

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just creates or updates the "projectname.egg-info" directory, without
building an egg.  It's used by the ``bdist_egg`` command now, and will be
used by the ``test`` and ``develop`` commands later on.

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installation of dependencies, the ability to specify dependencies in a
setup script, and several new options to control EasyInstall's behavior.

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converting them to eggs).  Bump version to 0.5a1.

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being installed via the normal distutils "setup.py install".  Also, don't
repeatedly download the setuptools egg if it's already in the target
location.

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version info.  Don't set a default Python version for distribution
objects.  Add enum for binary distributions (like bdist_wininst).

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are extracted to.

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links on package pages, not just the homepage/download links).

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doing.

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Distribution objects.

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errors.  Include Python version in setuptools' egg name for compatibility
w/installs via easy_install.  Add isdir/listdir facilities for metadata,
along with support for running scripts from eggs.

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access the distutils configuration and logging infrastructure, and can
"inherit" options from a distutils setup script that wants to use it to
install its own dependencies.

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that PackageIndex handles all downloading of any kind, Installers can be
reused for multiple packages, and main() manages temporary directories and
all communication between PackageIndex and Installer.  Also, change
run_setup to take an argument sequence, because later we will probably need
other arguments to control other aspects of run_setup's behavior.

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for easy use by tools other than EasyInstall.

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for less duplication and greater clarity.

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so that setuptools can install itself in egg form.

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version checking.  Document new options for screen scraping.

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distribution names and versions in arbitrary packages that might be built
using EasyInstall.

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needs a little work to get PyPI support working, and automatic dependency
resolution.  But for now you can do:

    easy_install -s http://example.com/download.html SomePackage

And easy_install will find the best-looking download link on the page for
instaling SomePackage.

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Add a ``can_add()`` method that indicates whether a distribution matches
the collection's desired platform and Python version.  Fix a bug in
``Distribution.from_filename()`` when the filename has no Python version.

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to assist easy_install in indexing packages from PyPI.

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