Fixed bug:

Explicitly specifying a Python executable failed if the output of
running Python with the -V option included a 2-digit (rather than a
3-digit) version number.

CHANGES.txt

@@ -20,6 +20,16 @@ priorities include:
 Change History
 **************
 
+1.0.0b19 (2007-01-24)
+=====================
+
+Bugs Fixed
+----------
+
+- Explicitly specifying a Python executable failed if the output of
+  running Python with the -V option included a 2-digit (rather than a
+  3-digit) version number.
+
 1.0.0b18 (2007-01-22)
 =====================
 

setup.py

@@ -7,7 +7,7 @@ def read(*rnames):
 name = "zc.buildout"
 setup(
     name = name,
-    version = "1.0.0b18",
+    version = "1.0.0b19",
     author = "Jim Fulton",
     author_email = "jim@zope.com",
     description = "System for managing development buildouts",

src/zc/buildout/easy_install.py

@@ -56,7 +56,7 @@ def _get_version(executable):
         o.close()
         pystring, version = version.split()
         assert pystring == 'Python'
-        version = re.match('(\d[.]\d)[.]\d$', version).group(1)
+        version = re.match('(\d[.]\d)([.]\d)?$', version).group(1)
         _versions[executable] = version
         return version
 

src/zc/buildout/tests.py

@@ -315,6 +315,55 @@ Then try to install it again:
 
     """
 
+def make_sure__get_version_works_with_2_digit_python_versions():
+    """
+
+This is a test of an internal function used by higher-level machinery.
+
+We'll start by creating a faux 'python' that executable that prints a
+2-digit version. This is a bit of a pain to do portably. :(
+
+    >>> mkdir('demo')
+    >>> write('demo', 'setup.py',
+    ... '''
+    ... from setuptools import setup
+    ... setup(name='demo',
+    ...       entry_points = {'console_scripts': ['demo = demo:main']},
+    ...       )
+    ... ''')
+    >>> write('demo', 'demo.py',
+    ... '''
+    ... def main():
+    ...     print 'Python 2.5'
+    ... ''')
+
+    >>> write('buildout.cfg',
+    ... '''
+    ... [buildout]
+    ... develop = demo
+    ... parts = 
+    ... ''')
+
+    >>> print system(join('bin', 'buildout')),
+    buildout: Develop: /sample-buildout/demo
+
+    >>> import zc.buildout.easy_install
+    >>> ws = zc.buildout.easy_install.working_set(
+    ...    ['demo'], sys.executable, ['develop-eggs'])
+    >>> zc.buildout.easy_install.scripts(
+    ...    ['demo'], ws, sys.executable, 'bin')
+    ['bin/demo']
+
+    >>> print system(join('bin', 'demo')),
+    Python 2.5
+
+Now, finally, let's test _get_version:
+
+    >>> zc.buildout.easy_install._get_version(join('bin', 'demo'))
+    '2.5'
+
+    """
+
 # Why?
 ## def error_for_undefined_install_parts():
 ##     """