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buildout.dumppickedversions-0.5
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Dump buildout picked versions.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | buildout.dumppickedversions-0.5 |
| نام | buildout.dumppickedversions |
| نسخه کتابخانه | 0.5 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Mustapha Benali |
| ایمیل نویسنده | mustapha@headnet.dk |
| آدرس صفحه اصلی | http://svn.plone.org/svn/collective/buildout/buildout.dumppickedversions |
| آدرس اینترنتی | https://pypi.org/project/buildout.dumppickedversions/ |
| مجوز | GPL |
buildout.dumppickedversions
===========================
Q: What is a buildout extension ?
A: http://pypi.python.org/pypi/zc.buildout#extensions
The problem
-----------
When using a zc.buildout based deployment system you want to be able to
reproduce the same setup with the same set of egg versions one month later.
Without pinning all eggs the task is impossible.
Solution
--------
``buildout.dumppickedversions`` is a buildout extension that does just that. It
can print or generate a versions.cfg file with all not pinned eggs.
It adds also a comment before each egg picked by zc.buildout as requirment for
other eggs containing the list of eggs that required it.
``buildout.dumppickedversions`` requires zc.buildout 1.5 or later.
buildout.dumppickedversions options
-----------------------------------
dump-picked-versions-file
A file name you want ``buildout.dumppickedversions`` to write to.
If not given ``buildout.dumppickedversions`` will dump the versions to the
screen.
overwrite-picked-versions-file
If set to ``true``, ``buildout.dumppickedversions`` will overwrite the file
defined in ``dump-picked-versions-file`` if it exists. Defaults to True.
Detailed Documentation
======================
Let's create an egg to use it in our tests::
>>> mkdir('myegg')
>>> write('myegg', 'setup.py',
... '''
... from setuptools import setup
... setup(name='myegg', version='1.0',)
... ''')
>>> write('myegg', 'README', '')
>>> print system(buildout+' setup myegg bdist_egg'), # doctest: +ELLIPSIS
Running setup script 'myegg/setup.py'.
...
Now let's create a buildout to install the egg and to use
buildout.dumppickedversions::
>>> write('buildout.cfg',
... '''
... [buildout]
... extensions = buildout.dumppickedversions
... parts = foo
... find-links = %s
... index = http://pypi.python.org/simple
... [foo]
... recipe = zc.recipe.egg
... eggs = myegg
... ''' % join('myegg', 'dist'))
Running the buildout will print information about picked versions::
>>> print system(buildout), # doctest: +ELLIPSIS
Getting distribution for 'buildout.dumppickedversions'.
...
*************** PICKED VERSIONS ****************
[versions]
myegg = N.N
setuptools = N.N
zc.buildout = N.N
zc.recipe.egg = N.N
<BLANKLINE>
*************** /PICKED VERSIONS ***************
To dump picked versions to a file, we just add an ``dump-picked-versions-file``
option and give a file name::
>>> write('buildout.cfg',
... '''
... [buildout]
... extensions = buildout.dumppickedversions
... dump-picked-versions-file = versions.cfg
... parts = foo
... find-links =
... %s
... index = http://pypi.python.org/simple
... [foo]
... recipe = zc.recipe.egg
... eggs =
... myegg
... ''' % join('myegg', 'dist'))
>>> print system(buildout), # doctest: +ELLIPSIS
Uninstalling foo.
Installing foo.
*********************************************
Writing picked versions to versions.cfg
*********************************************
And here is the content of the file versions.cfg::
>>> cat('versions.cfg')
[versions]
myegg = N.N
setuptools = N.N
zc.buildout = N.N
zc.recipe.egg = N.N
<BLANKLINE>
Next time we run the buildout the file will be overwritten::
>>> print system(buildout), # doctest: +ELLIPSIS
Updating foo.
*********************************************
Overwriting versions.cfg
*********************************************
When we don't want to overwrite the file we just add an
``overwrite-picked-versions-file`` and set it to false::
>>> write('buildout.cfg',
... '''
... [buildout]
... extensions = buildout.dumppickedversions
... dump-picked-versions-file = versions.cfg
... overwrite-picked-versions-file = false
... parts = foo
... find-links =
... %s
... index = http://pypi.python.org/simple
... [foo]
... recipe = zc.recipe.egg
... eggs =
... myegg
... ''' % join('myegg', 'dist'))
>>> print system(buildout), # doctest: +ELLIPSIS
Updating foo.
*********************************************
Skipped: File versions.cfg already exists.
*********************************************
If an eggA is installed as requirment for other eggs, you will get a comment
line just before eggA with the list of eggs that required it.
Let's show an example. We will install zope.component::
>>> write('buildout.cfg',
... '''
... [buildout]
... extensions = buildout.dumppickedversions
... dump-picked-versions-file = versions.cfg
... parts = foo
... index = http://pypi.python.org/simple
... [foo]
... recipe = zc.recipe.egg
... eggs = zope.component
... ''')
>>> print system(buildout), # doctest: +ELLIPSIS
Uninstalling foo.
Installing foo.
Getting distribution for 'zope.component'.
...
*********************************************
Overwriting versions.cfg
*********************************************
and let's see the content of the versions.cfg file::
>>> cat('versions.cfg')
[versions]
zc.buildout = N.N
zc.recipe.egg = N.N
zope.component = N.N
zope.interface = N.N
<BLANKLINE>
#Required by:
#zope.event N.N
#zope.interface N.N
#zope.component N.N
setuptools = N.N
<BLANKLINE>
#Required by:
#zope.component N.N
zope.event = N.N
Change history
==============
0.5 (2012-01-23)
----------------
- Performance optimization, avoid sorting the working set and
requirements when it won't be logged. Ported from zc.buildout:
http://svn.zope.org/zc.buildout/trunk?rev=124059&view=rev
[rossp]
0.4 (2009-05-03)
----------------
- Removed duplicated comment lines [mustapha]
0.3 (2009-05-03)
----------------
- Added comments in the generated versions file about what eggs
required the picked egg if any. [mustapha]
0.2 (2009-03-15)
----------------
- Removed the buildout header from the dumped file [mustapha]
- Added overwrite-picked-versions-file option [mustapha]
0.1 (2009-02-07)
----------------
- Created recipe with ZopeSkel.
[mustapha]
Contributors
============
- Mustapha Benali, Author
نحوه نصب
نصب پکیج whl buildout.dumppickedversions-0.5:
pip install buildout.dumppickedversions-0.5.whl
نصب پکیج tar.gz buildout.dumppickedversions-0.5:
pip install buildout.dumppickedversions-0.5.tar.gz