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stevedore
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Manage dynamic plugins for Python applications
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Tony Breeds 79f75a7f70 Add Constraints support 
Adding constraints support to libraries is slightly more complex than
services as the libraries themselves are listed in upper-constraints.txt
which leads to errors that you can't install a specific version and a
constrained version.

This change adds constraints support by also adding a helper script to
edit the constraints to remove stevedore.

Change-Id: I7a1285a2c3882b02987bfa95950689f5282aa407
 		2016-12-21 13:39:03 +11:00
doc Broken link at stevedore developer documentation 2016-12-04 12:00:16 -03:00
releasenotes Add reno for release notes management 2016-11-03 15:04:15 +08:00
stevedore Add Apache 2.0 license to source file 2016-11-28 13:32:32 +07:00
tools Add Constraints support 2016-12-21 13:39:03 +11:00
.gitignore Add reno for release notes management 2016-11-03 15:04:15 +08:00
.gitreview Update .gitreview after moving the repository 2014-02-07 20:40:10 +00:00
.testr.conf Migrate tox to use testr 2014-10-09 15:30:08 -07:00
.travis.yml Clean up Python 2.6 related stuff 2015-11-26 18:09:38 +08:00
CONTRIBUTING.rst Workflow documentation is now in infra-manual 2014-12-05 03:30:40 +00:00
LICENSE add license 2012-06-19 14:33:24 -04:00
MANIFEST.in Include all images from docs in sdist 2013-06-12 14:03:31 -04:00
README.rst Fix broken link about setuptools entry points 2016-06-30 20:53:46 +08:00
announce.rst fix link to entry point docs 2014-03-31 23:01:47 -04:00
requirements.txt Updated from global requirements 2016-11-09 04:25:17 +00:00
run_sphinx Add example of loading as a driver 2013-06-05 18:02:12 -04:00
setup.cfg Add Python 3.5 classifier and venv 2016-07-12 17:26:23 +08:00
setup.py Updated from global requirements 2015-09-17 12:17:27 +00:00
test-requirements.txt Merge "Add reno for release notes management" 2016-11-03 12:45:29 +00:00
tox.ini Add Constraints support 2016-12-21 13:39:03 +11:00

README.rst

stevedore -- Manage dynamic plugins for Python applications

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Python makes loading code dynamically easy, allowing you to configure and extend your application by discovering and loading extensions ("plugins") at runtime. Many applications implement their own library for doing this, using __import__ or importlib. stevedore avoids creating yet another extension mechanism by building on top of setuptools entry points. The code for managing entry points tends to be repetitive, though, so stevedore provides manager classes for implementing common patterns for using dynamically loaded extensions.