zc.buildout的一组helper接收

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lovely.recipe的Python项目详细描述


文件系统构建方法

创建目录

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = data-dir
... find-links = http://download.zope.org/distribution
...
... [data-dir]
... recipe = lovely.recipe:mkdir
... path = ${buildout:directory}/mystuff
... """)
>>> print system(buildout),
Installing data-dir.
data-dir: Creating directory /sample-buildout/mystuff

>>> ls(sample_buildout)
-  .installed.cfg
d  bin
-  buildout.cfg
d  develop-eggs
d  eggs
d  mystuff
d  parts

如果更改目录名，则不会删除旧目录（“mystuff”）。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = data-dir
... find-links = http://download.zope.org/distribution
...
... [data-dir]
... recipe = lovely.recipe:mkdir
... path = ${buildout:directory}/otherdir
... """)
>>> print system(buildout),
Uninstalling data-dir.
Installing data-dir.
data-dir: Creating directory /sample-buildout/otherdir

>>> ls(sample_buildout)
-  .installed.cfg
d  bin
-  buildout.cfg
d  develop-eggs
d  eggs
d  mystuff
d  otherdir
d  parts

我们还可以创建完整的路径。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = data-dir
... find-links = http://download.zope.org/distribution
...
... [data-dir]
... recipe = lovely.recipe:mkdir
... path = ${buildout:directory}/with/subdir
... """)
>>> print system(buildout),
Uninstalling data-dir.
Installing data-dir.
data-dir: Cannot create /sample-buildout/with/subdir. /sample-buildout/with is not a directory.
While:
  Installing data-dir.
Error: Invalid Path

但我们需要明确地激活这个函数。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = data-dir
... find-links = http://download.zope.org/distribution
...
... [data-dir]
... recipe = lovely.recipe:mkdir
... createpath = True
... path = ${buildout:directory}/with/subdir
... """)
>>> print system(buildout),
Installing data-dir.
data-dir: Creating parent directory /sample-buildout/with
data-dir: Creating directory /sample-buildout/with/subdir

>>> ls(sample_buildout)
-  .installed.cfg
d  bin
-  buildout.cfg
d  develop-eggs
d  eggs
d  mystuff
d  otherdir
d  parts
d  with
>>> ls(sample_buildout + '/with')
d  subdir

没有更新方法，因此在更新时使用install方法 目录被重新创建。

>>> rmdir(sample_buildout + '/with')
>>> print system(buildout),
Updating data-dir.
The recipe for data-dir doesn't define an update method. Using its install method.
data-dir: Creating parent directory /sample-buildout/with
data-dir: Creating directory /sample-buildout/with/subdir

如果以根用户身份运行，我们可以更改所创建目录的所有者。这是经过测试的 在mkdir-root.txt中。

如果不是以根用户身份运行，则设置所有者是一个错误：

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = data-dir
... find-links = http://download.zope.org/distribution
...
... [data-dir]
... recipe = lovely.recipe:mkdir
... createpath = True
... path = ${buildout:directory}/another/with/subdir
... owner = nobody
... """)
>>> print system(buildout),
While:
  Installing.
  Getting section data-dir.
  Initializing part data-dir.
Error: Only root can change the owner to nobody.

当用户不存在时是一个错误：

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = data-dir
... find-links = http://download.zope.org/distribution
...
... [data-dir]
... recipe = lovely.recipe:mkdir
... createpath = True
... path = ${buildout:directory}/another/with/subdir
... owner = someuser
... """)
>>> print system(buildout),
While:
  Installing.
  Getting section data-dir.
  Initializing part data-dir.
Error: The user someuser does not exist.

创建文件

mkfile配方创建一个或多个具有给定路径、内容和 权限。

注意父目录需要存在，否则用户错误 是升起的。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = script
...
... [script]
... recipe = lovely.recipe:mkfile
... path = /x/y/file.sh
... content = hoschi
... mode = 0755
... """)
>>> print system(buildout)
Uninstalling data-dir.
Installing script.
script: Cannot create file /x/y/file.sh. /x/y is not a directory.
While:
  Installing script.
Error: Invalid path

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = script
...
... [script]
... recipe = lovely.recipe:mkfile
... path = file.sh
... content = hoschi
... mode = 0755
... """)
>>> print system(buildout)
Installing script.
script: Writing file /sample-buildout/file.sh
<BLANKLINE>

>>> ls(sample_buildout)
-  .installed.cfg
d  bin
-  buildout.cfg
d  develop-eggs
d  eggs
-  file.sh
d  mystuff
d  otherdir
d  parts
d  with

内容写入文件。

>>> cat(sample_buildout, 'file.sh')
hoschi

模式设置好了。

>>> import os, stat
>>> path = os.path.join(sample_buildout, 'file.sh')
>>> oct(stat.S_IMODE(os.stat(path)[stat.ST_MODE]))
'0755'

如果我们更改文件名，旧文件将被删除。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = script
...
... [script]
... recipe = lovely.recipe:mkfile
... path = newfile.sh
... content = hoschi
... mode = 0755
... """)
>>> print system(buildout)
Uninstalling script.
Installing script.
script: Writing file /sample-buildout/newfile.sh
<BLANKLINE>

>>> ls(sample_buildout)
-  .installed.cfg
d  bin
-  buildout.cfg
d  develop-eggs
d  eggs
d  mystuff
-  newfile.sh
d  otherdir
d  parts
d  with

我们还可以指定为文件创建路径。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = script
...
... [script]
... recipe = lovely.recipe:mkfile
... createpath = On
... path = subdir/for/file/file.sh
... content = hoschi
... mode = 0755
... """)
>>> print system(buildout)
Uninstalling script.
Installing script.
script: Creating directory /sample-buildout/subdir/for/file
script: Writing file /sample-buildout/subdir/for/file/file.sh

>>> ls(sample_buildout + '/subdir/for/file')
-  file.sh

文件变体

一个常见的用例是一个文件的变体，例如如果init 必须创建脚本。作为一个例子，我们创建了两个文件 变化“1”和“2”。这些变体可以在文件路径中使用 并在文件内容中通过普通的字符串格式表示法。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = script
...
... [script]
... recipe = lovely.recipe:mkfile
... variations = 1 2
... path = prod_%(variation)s.ini
... content = hoschi variation %(variation)s
... mode = 0755
... """)
>>> print system(buildout)
Uninstalling script.
Installing script.
script: Writing file ...sample-buildout/prod_1.ini
script: Writing file ...sample-buildout/prod_2.ini

>>> cat(sample_buildout, 'prod_1.ini')
hoschi variation 1
>>> cat(sample_buildout, 'prod_2.ini')
hoschi variation 2

蛋盒构建食谱

这个菜谱是从zc.recipe.egg中派生出来的，但不是仅仅创建 路径，它为每个顶层生成一个目录结构 命名空间。也可以自动压缩生成的 如果在google appengine中使用，则特别有用的目录 环境。Recipies路径选项中填充了创建的路径 所以它可以被其他构建部分引用 使用配方。

>>> import os
>>> lovely_recipy_loc = os.path.dirname(os.path.dirname(os.path.dirname(
...     os.path.dirname(os.path.dirname(__file__)))))

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... develop = %(loc)s
... parts = packages
... find-links = %(server)s
... index = %(server)s/index
...
... [packages]
... recipe = lovely.recipe:eggbox
... eggs = demo
...        lovely.recipe
... interpreter = py
... """ % dict(loc=lovely_recipy_loc, server=link_server))

>>> print system(buildout)
Develop: '...lovely.recipe'
Getting distribution for 'demo'.
Got demo 0.4c1.
Getting distribution for 'demoneeded'.
Got demoneeded 1.2c1.
Installing packages.
Generated script '...sample-buildout/bin/demo'.
Generated interpreter '...sample-buildout/bin/py'.

现在每个顶级目录都有一个zip文件。请注意 zip文件以.egg结尾，以实现pkg_资源的兼容性。

>>> ls(sample_buildout + '/parts/packages')
-  easy_install.py.egg
-  eggrecipedemo.py.egg
-  eggrecipedemoneeded.py.egg
-  lovely.egg
-  pkg_resources.py.egg
-  setuptools.egg
-  zc.egg

生成的解释器现在在路径中有demo zip文件。

>>> cat(sample_buildout + '/bin/py')
#!...
sys.path[0:0] = [
  '/sample-buildout/parts/packages/easy_install.py.egg',
  '/sample-buildout/parts/packages/eggrecipedemo.py.egg',
  '/sample-buildout/parts/packages/eggrecipedemoneeded.py.egg',
  '/sample-buildout/parts/packages/lovely.egg',
  '/sample-buildout/parts/packages/pkg_resources.py.egg',
  '/sample-buildout/parts/packages/setuptools.egg',
  '/sample-buildout/parts/packages/zc.egg',
  ]...

可以禁用拉链。也排除或包括 文件模式。例如，我们可以去掉 设置工具鸡蛋。我们也可以创建一个脚本。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... develop = %(loc)s
... parts = packages test
... find-links = %(server)s
... index = %(server)s/index
...
... [packages]
... zip = False
... recipe = lovely.recipe:eggbox
... eggs = demo
...        lovely.recipe
... excludes = ^setuptools/.*
...            ^easy_install.*
...            ^pkg_resources.*
...
... [test]
... recipe = zc.recipe.egg:scripts
... eggs = lovely.recipe
... extra-paths = ${packages:path}
... interpreter = py
... """ % dict(loc=lovely_recipy_loc, server=link_server))
>>> print system(buildout),
Develop: '/Users/bd/sandbox/lovely.recipe'
Uninstalling packages.
Installing packages.
Generated script '/sample-buildout/bin/demo'.
Installing test.
Generated interpreter '/sample-buildout/bin/py'.

请注意，我们的目录结构仍然与压缩的 版本，每个顶级命名空间都有一个目录。“可爱的” 目录不在包目录中，因为它是一个开发鸡蛋 我们将zipped设置为false，因此它只添加到 python路径。

>>> ls(sample_buildout + '/parts/packages')
d  eggrecipedemo.py
d  eggrecipedemoneeded.py
d  zc

>>> print system(join(sample_buildout, 'bin', 'py') + \
...        ' -c "import lovely.recipe; print lovely.recipe.__file__"')
/.../src/lovely/recipe/__init__.py...

测试部分使用包部分的路径。注意，due， 到可爱的发展道路。配方这条路其实是 包含两次，因为脚本配方不检查重复项。

>>> cat(sample_buildout + '/bin/py')
#!...
sys.path[0:0] = [
  '/...lovely.recipe/src',
  ...
  '/.../lovely.recipe/src',
  '/sample-buildout/parts/packages/eggrecipedemo.py',
  '/sample-buildout/parts/packages/eggrecipedemoneeded.py',
  '/sample-buildout/parts/packages/zc',
  ]...

I18N刀具配方

这个配方允许创建i18n工具来提取和合并po文件。

创建工具

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = i18n
... index = http://download.zope.org/zope3.4
... offline = true
...
... [i18n]
... recipe = lovely.recipe:i18n
... package = lovely.recipe
... domain = recipe
... location = src/somewhere
... output = locales
... maker = z3c.csvvocabulary.csvStrings
... """)
>>> print system(buildout),
Installing i18n.
i18n: setting up i18n tools
Generated script 'bin/i18nextract'.
Generated script 'bin/i18nmergeall'.
Generated script 'bin/i18nstats'.

>>> import os
>>> ls(os.path.join(sample_buildout, 'bin'))
-  buildout
-  i18nextract
-  i18nmergeall
-  i18nstats

i18n提取器

>>> cat('bin', 'i18nextract')
#!...
<BLANKLINE>
import sys
sys.path[0:0] = [
...
  ]
<BLANKLINE>
import lovely.recipe.i18n.i18nextract
<BLANKLINE>
if __name__ == '__main__':
    lovely.recipe.i18n.i18nextract.main(['i18nextract', '-d', 'recipe', '-s', '/sample-buildout/parts/i18n/configure.zcml', '-p', 'src/somewhere', '-o', 'locales', '-m', 'z3c.csvvocabulary.csvStrings'])

我们已经创建了configure.zcml。

>>> cat('parts', 'i18n', 'configure.zcml')
<configure xmlns='http://namespaces.zope.org/zope'>
  <include package="lovely.recipe" />
</configure>

i18n合并 
>>> cat('bin', 'i18nmergeall')
#!...
<BLANKLINE>
import sys
sys.path[0:0] = [
...
  ]
<BLANKLINE>
import lovely.recipe.i18n.i18nmergeall
<BLANKLINE>
if __name__ == '__main__':
    lovely.recipe.i18n.i18nmergeall.main(['i18nmergeall', '-l', 'src/somewhere/locales'])

i18n状态 
>>> cat('bin', 'i18nstats')
#!...
<BLANKLINE>
import sys
sys.path[0:0] = [
...
  ]
<BLANKLINE>
import lovely.recipe.i18n.i18nstats
<BLANKLINE>
if __name__ == '__main__':
    lovely.recipe.i18n.i18nstats.main(['i18nstats', '-l', 'src/somewhere/locales'])

刀具名称

创建的工具以节名称命名。如果 配方名为“translation”，然后工具名为“translationextract” 和“translationmergeall”。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... index = http://download.zope.org/zope3.4
... parts = translation
...
... offline = true
...
... [translation]
... recipe = lovely.recipe:i18n
... package = lovely.recipe
... domain = recipe
... location = src/somewhere
... output = locales
... maker = z3c.csvvocabulary.csvStrings
... """)
>>> print system(buildout),
Uninstalling i18n.
Installing translation.
translation: setting up i18n tools
Generated script 'bin/translationextract'.
Generated script 'bin/translationmergeall'.
Generated script 'bin/translationstats'.

添加自定义configure.zcml

创建的configure.zcml包含包，并假设包 包含configure.zcml。如果不是这样，或者如果是附加包 需要include，然后可以使用zcml参数定义内容 生成的configure.zcml。

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = i18n
...
... offline = true
...
... [i18n]
... recipe = lovely.recipe:i18n
... package = lovely.recipe
... domain = recipe
... location = src/somewhere
... output = locales
... maker = z3c.csvvocabulary.csvStrings
... zcml =
...    <include package='zope.component' file='meta.zcml' />
...    <include package='lovely.recipe' />
...
... """)

>>> print system(buildout),
Uninstalling translation.
Installing i18n.
i18n: setting up i18n tools
Generated script 'bin/i18nextract'.
Generated script 'bin/i18nmergeall'.
Generated script 'bin/i18nstats'.

>>> cat('bin', 'i18nextract')
#!...
<BLANKLINE>
import sys
sys.path[0:0] = [
...
  ]
<BLANKLINE>
import lovely.recipe.i18n.i18nextract
<BLANKLINE>
if __name__ == '__main__':
    lovely.recipe.i18n.i18nextract.main(['i18nextract', '-d', 'recipe', '-s', '/sample-buildout/parts/i18n/configure.zcml', '-p', 'src/somewhere', '-o', 'locales', '-m', 'z3c.csvvocabulary.csvStrings'])

生成的configure zcml包含我们的额外代码。

>>> cat('parts', 'i18n', 'configure.zcml')
<configure xmlns='http://namespaces.zope.org/zope'
           xmlns:meta="http://namespaces.zope.org/meta"
           >
<BLANKLINE>
<BLANKLINE>
<include package='zope.component' file='meta.zcml' />
<include package='lovely.recipe' />
<BLANKLINE>
</configure>

importchecker配方

此配方在bin目录中创建importchecker实例。

创建脚本

>>> write(sample_buildout, 'buildout.cfg',
... """
... [buildout]
... parts = checker
...
... offline = true
...
... [checker]
... recipe = lovely.recipe:importchecker
... path = src/lovely
... """)
>>> print system(buildout),
Installing checker.
checker: setting up importchecker
Generated script 'bin/importchecker'.

>>> import os
>>> ls(os.path.join(sample_buildout, 'bin'))
-  buildout
-  importchecker

>>> cat('bin', 'importchecker')
#!...
<BLANKLINE>
import sys
sys.path[0:0] = [
  ...
  ]
<BLANKLINE>
import lovely.recipe.importchecker.importchecker
<BLANKLINE>
if __name__ == '__main__':
    lovely.recipe.importchecker.importchecker.main(['importchecker', 'src/lovely'])

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