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buildout.eggnest-0.2
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مشاهده بیشترتوضیحات
buildout extension to auto load eggs
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | buildout.eggnest-0.2 |
| نام | buildout.eggnest |
| نسخه کتابخانه | 0.2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Martin Lundwall |
| ایمیل نویسنده | martin@betahaus.net |
| آدرس صفحه اصلی | http://pypi.python.org/pypi/buildout.eggnest |
| آدرس اینترنتی | https://pypi.org/project/buildout.eggnest/ |
| مجوز | GPL |
buildout.eggnest
=================
This product is no longer supported.
The problem
------------
It is very convenient to install functionality to a buildout with just
a couple of lines, but for those used to Zope 2, one might miss
the way of adding a piece of functionality by just dropping something
(i.e. a product) into a folder. This could be good for people who want to try
out things without worrying about editing a configuration file with
lots of directives in it.
When wanting to install a new egg using buildout you currently have to
edit the buildout configuration file(s) and add a couple of lines in
the right places. What if you could just drop a file in a folder instead?
Solution
--------
Make a buildout extension so that the only thing you need to do in order to
install an egg
is to take a simple text file, and drop it in a certain directory. When you
rerun buildout the
contents of that file is parsed, the specified egg is downloaded and added to
the instance.
When ``buildout.eggnest`` is run it::
1. If ``eggnest-src-directory`` is not given the default directory ``src``
is scanned.
2. Adds the egg to the ``eggs`` and ``zcml`` option to a set of given buildout
parts.
This steps are done on the fly when running buildout. So I can add/delete/rename
an egg and it will be picked up.
NOTE: The extension does not write to the buildout's configuration file.
buildout.eggnest options
-------------------------
eggnest-src-directory:
Specified to the directory that your egg install files should be placed.
Defaults to src. An idea could be
to have a dedicated directory called "eggnest".
eggnest-parts:
What part of your buildout config that the eggs should be added to. *required*
eggnest-verbose:
Set this to ``true`` to get more information.
Not really that much right now but a little bit more at least.
How to use it
-------------
To use ``buildout.eggnest`` you need to add the following to your buildout.cfg::
[buildout]
extensions =
buildout.eggnest
eggnest-parts =
instance
In ``eggnest-parts`` you need to specify what buildout part that the eggs should
be added to.
By default the ``src`` directory is scanned for egg specification files.
eggs specification files for eggnest
------------------------------------
The egg install specification files should have this structure. This is the same
as the normal buildout config format.::
[eggnest]
egg =
plone.introspector
zcml =
plone.introspector
``zcml`` can be multiple lines if additional slugs need to be specified.
If the egg is in the ``Products`` namespace the zcml is not needed in the
specification file.::
[eggnest]
egg =
Products.DocFinderTab
buildout.eggnest was created by Martin Lundwall <martin@webworks.se> after an
initial idea by Jorgen Modin <jorgen@webworks.se>
Change history
================
0.2 (unreleased)
----------------
- Compatibility update for zc.buildout 1.4.0 (mlundwall)
0.1 (2008-11-22)
----------------
- Initial release (mlundwall)
Detailed Documentation
======================
Tests for buildout.eggnest buildout extension
-------------------------------------------------
Let's create a buildout configuration file::
>>> data = """
... [buildout]
... parts = zope2 instance1 instance2 instance3
... extensions =
... eggs =
... develop = %s
... eggnest-parts = instance1 instance2
... [instance1]
... recipe = plone.recipe.zope2instance
... zope2-location = ${zope2:location}
... user = admin:admin
... [instance2]
... recipe = plone.recipe.zope2instance
... zope2-location = ${zope2:location}
... user = admin:admin
... [instance3]
... recipe = plone.recipe.zope2instance
... zope2-location = ${zope2:location}
... user = admin:admin
... [zope2]
... recipe = plone.recipe.zope2install
... url = http://www.zope.org/Products/Zope/2.9.8/Zope-2.9.8-final.tgz
... """ % egg_dir
>>> rmdir(tempdir, 'buildout.test')
>>> cd(tempdir)
>>> sh('mkdir buildout.test')
mkdir buildout.test
<BLANKLINE>
>>> cd('buildout.test')
>>> touch('buildout.cfg', data=data)
>>> ls('.')
buildout.cfg
run the buildout first time so we get our zope instances::
>>> sh('svn export
svn://svn.zope.org/repos/main/zc.buildout/trunk/bootstrap/bootstrap.py')
svn export
svn://svn.zope.org/repos/main/zc.buildout/trunk/bootstrap/bootstrap.py
A bootstrap.py
Export complete.
<BLANKLINE>
>>> sh('python2.4 bootstrap.py')
python2.4 bootstrap.py
...
Creating directory '/private/tmp/buildout.test/bin'.
Creating directory '/private/tmp/buildout.test/parts'.
Creating directory '/private/tmp/buildout.test/develop-eggs'.
Generated script '/private/tmp/buildout.test/bin/buildout'.
<BLANKLINE>
>>> sh('./bin/buildout')
./bin/buildout
...
Installing instance1.
...
Installing instance2.
...
Installing instance3.
...
<BLANKLINE>
<BLANKLINE>
Now let's create a test products specification file and add the buildout.eggnest
as an extension::
>>> sh('mkdir src')
mkdir src
<BLANKLINE>
>>> product = """
... [eggnest]
... egg =
... plone.portlet.static
... zcml =
... plone.portlet.static
... """
>>> touch('src/product.txt', data=product)
>>> ls('src')
product.txt
>>> data = data.replace('extensions =', 'extensions = buildout.eggnest')
>>> touch('buildout.cfg', data=data)
Ok, so now that we have an egg, lets run the buildout in offline mode. We
should get a zcml slugs in parts/instance1/etc/package-includes and
parts/instance2/etc/package-includes
but not in parts/instance3/etc/package-includes,
and a line with the path to our egg in the bin/instance1 and bin/instance2
but not in bin/instance3 files.
First we check that there is nothing of the previous mentioned things::
>>> ls('develop-eggs')
buildout.eggnest.egg-link
>>> ls('parts/instance1/etc/package-includes')
No directory named parts/instance1/etc/package-includes
>>> ls('parts/instance2/etc/package-includes')
No directory named parts/instance2/etc/package-includes
>>> ls('parts/instance3/etc/package-includes')
No directory named parts/instance3/etc/package-includes
>>> sh('grep plone.portlet.static bin/instance1')
grep plone.portlet.static bin/instance1
<BLANKLINE>
>>> sh('grep plone.portlet.static bin/instance2')
grep plone.portlet.static bin/instance2
<BLANKLINE>
>>> sh('grep plone.portlet.static bin/instance3')
grep plone.portlet.static bin/instance3
<BLANKLINE>
OK, now run the buildout in offline mode::
>>> sh('./bin/buildout')
./bin/buildout
...
Check that we have a correct created buildout.
Check that we have our zcml slugs in the package-includes::
>>> ls('parts', 'instance1', 'etc', 'package-includes')
001-plone.portlet.static-configure.zcml
>>> ls('parts', 'instance2', 'etc', 'package-includes')
001-plone.portlet.static-configure.zcml
>>> ls('parts', 'instance3', 'etc', 'package-includes')
No directory named parts/instance3/etc/package-includes
and in the end check that there is a line in bin/instance1 and bin/instance1
that includes our egg in the path::
>>> code = cat('bin', 'instance1', returndata=True)
>>> code.find('plone.portlet.static') == -1
False
>>> code = cat('bin', 'instance2', returndata=True)
>>> code.find('plone.portlet.static') == -1
False
>>> code = cat('bin', 'instance3', returndata=True)
>>> code.find('plone.portlet.static') == -1
True
Let's now try the ``eggnest-src-directory`` option. We create a new buildout.cfg
file
with an empty ``eggnest-src-directory``::
>>> data = data.replace('eggs =', 'eggnest-src-directory = \neggs = ')
>>> touch('buildout.cfg', data=data)
>>> sh('./bin/buildout')
./bin/buildout
...
No zcml slug in the instance 1,2 or 3::
>>> ls('parts', 'instance1', 'etc', 'package-includes')
No directory named parts/instance1/etc/package-includes
>>> ls('parts', 'instance2', 'etc', 'package-includes')
No directory named parts/instance2/etc/package-includes
>>> ls('parts', 'instance3', 'etc', 'package-includes')
No directory named parts/instance3/etc/package-includes
Nor a line in bin/instance1, bin/instance2 or bin/instance3 with our egg path::
>>> code = cat('bin', 'instance1', returndata=True)
>>> code.find('plone.portlet.static') == -1
True
>>> code = cat('bin', 'instance2', returndata=True)
>>> code.find('plone.portlet.static') == -1
True
>>> code = cat('bin', 'instance3', returndata=True)
>>> code.find('plone.portlet.static') == -1
True
But if the ``eggnest-src-directory`` option is not empty::
>>> data = data.replace('eggnest-src-directory =', 'eggnest-src-directory =
auto')
>>> touch('buildout.cfg', data=data)
>>> sh('rm src/product.txt')
rm src/product.txt
>>> sh('mkdir auto')
mkdir auto
>>> touch('auto/product.txt', data=product)
>>> ls('auto')
product.txt
>>> sh('./bin/buildout -o')
./bin/buildout -o
...
and we get a zcml slug only in the specified target::
>>> ls('parts', 'instance1', 'etc', 'package-includes')
001-plone.portlet.static-configure.zcml
>>> ls('parts', 'instance2', 'etc', 'package-includes')
001-plone.portlet.static-configure.zcml
>>> ls('parts', 'instance3', 'etc', 'package-includes')
No directory named parts/instance3/etc/package-includes
and only the specified target's control script is updated::
>>> code = cat('bin', 'instance1', returndata=True)
>>> code.find('plone.portlet.static') == -1
False
>>> code = cat('bin', 'instance2', returndata=True)
>>> code.find('plone.portlet.static') == -1
False
>>> code = cat('bin', 'instance3', returndata=True)
>>> code.find('plone.portlet.static') == -1
True
نحوه نصب
نصب پکیج whl buildout.eggnest-0.2:
pip install buildout.eggnest-0.2.whl
نصب پکیج tar.gz buildout.eggnest-0.2:
pip install buildout.eggnest-0.2.tar.gz