Make sure the bootstrap script actually works:
>>> import os, sys
>>> from os.path import dirname, join
>>> import zc.buildout
>>> bootstrap_py = join(
... dirname(
... dirname(
... dirname(
... dirname(zc.buildout.__file__)
... )
... )
... ),
... 'bootstrap', 'bootstrap.py')
>>> sample_buildout = tmpdir('sample')
>>> os.chdir(sample_buildout)
>>> write('buildout.cfg',
... '''
... [buildout]
... parts =
... ''')
>>> write('bootstrap.py', open(bootstrap_py).read())
>>> print_('X'); print_(system(
... zc.buildout.easy_install._safe_arg(sys.executable)+' '+
... 'bootstrap.py')); print_('X')
X...
Creating directory '/sample/bin'.
Creating directory '/sample/parts'.
Creating directory '/sample/eggs'.
Creating directory '/sample/develop-eggs'.
Generated script '/sample/bin/buildout'.
...
>>> ls(sample_buildout)
d bin
- bootstrap.py
- buildout.cfg
d develop-eggs
d eggs
d parts
>>> ls(sample_buildout, 'bin')
- buildout
>>> print_('X'); ls(sample_buildout, 'eggs')
X...
d zc.buildout-...egg
By default it gets the latest version:
>>> buildout_script = join(sample_buildout, 'bin', 'buildout')
>>> if sys.platform.startswith('win'):
... buildout_script += '-script.py'
>>> print_(open(buildout_script).read())
#...
sys.path[0:0] = [
'/sample/eggs/setuptools-...egg',
'/sample/eggs/zc.buildout-22.0.0...egg',
]...
Now trying the –version option, that let you define a version for zc.buildout.
Let’s try with an unknown version:
>>> print_('X'); print_(system(
... zc.buildout.easy_install._safe_arg(sys.executable)+' '+
... 'bootstrap.py --version UNKNOWN')); print_('X')
...
X
...
No local packages or download links found for zc.buildout==UNKNOWN
...
Now let’s try with 2.0.0, which happens to exist:
>>> print_('X'); print_(system(
... zc.buildout.easy_install._safe_arg(sys.executable)+' '+
... 'bootstrap.py --version 2.0.0')); print_('X')
...
X...Generated script '/sample/bin/buildout'...X
Let’s make sure the generated buildout script uses it:
>>> print_(open(buildout_script).read())
#...
sys.path[0:0] = [
'/sample/eggs/setuptools-...egg',
'/sample/eggs/zc.buildout-2.0.0...egg',
]...