added the distribute option to the bootstrap script

git-svn-id: http://svn.zope.org/repos/main/zc.buildout/trunk@105232 62d5b8a3-27da-0310-9561-8e5933582275

bootstrap/bootstrap.py

@@ -21,20 +21,51 @@ $Id$
 """
 
 import os, shutil, sys, tempfile, urllib2
+from optparse import OptionParser
 
 tmpeggs = tempfile.mkdtemp()
 
 is_jython = sys.platform.startswith('java')
 
+# parsing arguments
+parser = OptionParser()
+parser.add_option("-v", "--version", dest="version",
+                          help="use a specific zc.buildout version")
+parser.add_option("-d", "--distribute",
+                   action="store_true", dest="distribute", default=False,
+                   help="Use Disribute rather than Setuptools.")
+
+options, args = parser.parse_args()
+
+if options.version is not None:
+    VERSION = '==%s' % options.version
+else:
+    VERSION = ''
+
+USE_DISTRIBUTE = options.distribute
+args = args + ['bootstrap']
+
+to_reload = False
 try:
     import pkg_resources
+    if not hasattr(pkg_resources, '_distribute'):
+        to_reload = True
+        raise ImportError
 except ImportError:
     ez = {}
-    exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py'
+    if USE_DISTRIBUTE:
+        exec urllib2.urlopen('http://python-distribute.org/distribute_setup.py'
                          ).read() in ez
-    ez['use_setuptools'](to_dir=tmpeggs, download_delay=0)
+        ez['use_setuptools'](to_dir=tmpeggs, download_delay=0, no_fake=True)
+    else:
+        exec urllib2.urlopen('http://peak.telecommunity.com/dist/ez_setup.py'
+                             ).read() in ez
+        ez['use_setuptools'](to_dir=tmpeggs, download_delay=0)
 
-    import pkg_resources
+    if to_reload:
+        reload(pkg_resources)
+    else:
+        import pkg_resources
 
 if sys.platform == 'win32':
     def quote(c):
@@ -49,12 +80,10 @@ else:
 cmd = 'from setuptools.command.easy_install import main; main()'
 ws  = pkg_resources.working_set
 
-if len(sys.argv) > 2 and sys.argv[1] == '--version':
-    VERSION = '==%s' % sys.argv[2]
-    args = sys.argv[3:] + ['bootstrap']
+if USE_DISTRIBUTE:
+    requirement = 'distribute'
 else:
-    VERSION = ''
-    args = sys.argv[1:] + ['bootstrap']
+    requirement = 'setuptools'
 
 if is_jython:
     import subprocess
@@ -63,7 +92,7 @@ if is_jython:
            quote(tmpeggs), 'zc.buildout' + VERSION],
            env=dict(os.environ,
                PYTHONPATH=
-               ws.find(pkg_resources.Requirement.parse('setuptools')).location
+               ws.find(pkg_resources.Requirement.parse(requirement)).location
                ),
            ).wait() == 0
 
@@ -73,7 +102,7 @@ else:
         '-c', quote (cmd), '-mqNxd', quote (tmpeggs), 'zc.buildout' + VERSION,
         dict(os.environ,
             PYTHONPATH=
-            ws.find(pkg_resources.Requirement.parse('setuptools')).location
+            ws.find(pkg_resources.Requirement.parse(requirement)).location
             ),
         ) == 0
 

buildout.cfg

@@ -25,3 +25,13 @@ defaults =
   '-t',
   '!(bootstrap|selectingpython|selecting-python)',
   ]
+
+[python2.4]
+executable = python2.4
+
+[python2.5]
+executable = python2.5
+
+[python2.6]
+executable = python2.6
+

src/zc/buildout/bootstrap.txt

@@ -58,7 +58,6 @@ Let's try with an unknown version::
     ...
     X
     No local packages or download links found for zc.buildout==UNKNOWN
-    error: Could not find suitable distribution for Requirement.parse('zc.buildout==UNKNOWN')
     ...
 
 Now let's try with `1.1.2`, which happens to exist::
@@ -120,4 +119,62 @@ Let's make sure the generated `buildout` script uses it::
         zc.buildout.buildout.main()
     <BLANKLINE>
 
+`zc.buildout` now can also run with `Distribute` with the `--distribute` option::
+
+
+    >>> print 'X'; print system(
+    ...     zc.buildout.easy_install._safe_arg(sys.executable)+' '+
+    ...     'bootstrap.py --distribute'); print 'X' # doctest: +ELLIPSIS
+    ...
+    X
+    ...
+    Generated script '/sample/bin/buildout'.
+    <BLANKLINE>
+    X
+
+Let's make sure the generated `buildout` script uses it::
+
+    >>> print open(buildout_script).read() # doctest: +ELLIPSIS
+    #...
+    <BLANKLINE>
+    import sys
+    sys.path[0:0] = [
+      '/sample/eggs/distribute-...egg',
+      '/sample/eggs/zc.buildout-...egg',
+      ]
+    <BLANKLINE>
+    import zc.buildout.buildout
+    <BLANKLINE>
+    if __name__ == '__main__':
+        zc.buildout.buildout.main()
+    <BLANKLINE>
+
+Make sure both options can be used together::
+
+    >>> print 'X'; print system(
+    ...     zc.buildout.easy_install._safe_arg(sys.executable)+' '+
+    ...     'bootstrap.py --distribute --version 1.2.1'); print 'X' # doctest: +ELLIPSIS
+    ...
+    X
+    ...
+    Generated script '/sample/bin/buildout'.
+    <BLANKLINE>
+    X
+
+Let's make sure the generated `buildout` script uses ``Distribute`` *and* ``zc.buildout-1.2.1``::
+
+    >>> print open(buildout_script).read() # doctest: +ELLIPSIS
+    #...
+    <BLANKLINE>
+    import sys
+    sys.path[0:0] = [
+      '/sample/eggs/distribute-...egg',
+      '/sample/eggs/zc.buildout-1.2.1...egg',
+      ]
+    <BLANKLINE>
+    import zc.buildout.buildout
+    <BLANKLINE>
+    if __name__ == '__main__':
+        zc.buildout.buildout.main()
+    <BLANKLINE>