fix python2.4 support

CHANGES.txt

@@ -4,6 +4,8 @@ Change History
 1.6.1 (xxx)
 ===========
 
+- fix Python 2.4 support (Domen Kožar)
+
 - added travis-ci testing (Domen Kožar)
 
 1.6.0 (2012-08-15)

buildout.cfg

 [buildout]
-develop = zc.recipe.egg_ z3c.recipe.scripts_ .
+develop =
+  zc.recipe.egg_
+  z3c.recipe.scripts_
+  .
 parts = test oltest py
+versions = versions
 
 [py]
 recipe = z3c.recipe.scripts
@@ -28,3 +32,8 @@ defaults =
   '!(bootstrap|selectingpython|selecting-python)',
   ]
 
+
+# python2.4 compatibility
+[versions]
+zope.interface = 3.7.0
+zope.exceptions = 3.7.1

src/zc/buildout/buildout.py

@@ -917,7 +917,7 @@ class Buildout(UserDict.DictMixin):
         if sys.platform == 'win32':
             should_run += '-script.py'
 
-        if (realpath(os.path.abspath(sys.argv[0])) != should_run):
+        if realpath(os.path.abspath(sys.argv[0])) != should_run:
             self._logger.debug("Running %r.", realpath(sys.argv[0]))
             self._logger.debug("Local buildout is %r.", should_run)
             self._logger.warn("Not upgrading because not running a local "

src/zc/buildout/download.py

@@ -174,6 +174,8 @@ class Download(object):
         self.logger.info('Downloading %s' % url)
         urllib._urlopener = url_opener
         handle, tmp_path = tempfile.mkstemp(prefix='buildout-')
+
+        try:
             try:
                 tmp_path, headers = urllib.urlretrieve(url, tmp_path)
                 if not check_md5sum(tmp_path, md5sum):
@@ -181,8 +183,8 @@ class Download(object):
                         'MD5 checksum mismatch downloading %r' % url)
             except IOError, e:
                 os.remove(tmp_path)
-            raise zc.buildout.UserError("Error downloading extends for URL "
-                              "%s: %r" % (url, e[1:3]))
+                raise zc.buildout.UserError("Error downloading extends for URL"
+                                            " %s: %r" % (url, e[1:3]))
             except Exception, e:
                 os.remove(tmp_path)
                 raise

src/zc/buildout/easy_install.py

@@ -1182,10 +1182,10 @@ def develop(setup, dest,
         if log_level < logging.DEBUG:
             logger.debug("in: %r\n%s", directory, ' '.join(args))
 
-        try:
-            subprocess.check_call([_safe_arg(executable)] + args)
-        except subprocess.CalledProcessError:
-            raise zc.buildout.UserError("Installing develop egg failed")
+        p = subprocess.Popen(
+            [_safe_arg(executable)] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        if p.wait() > 0:
+            raise zc.buildout.UserError("Installing develop egg failed: %s" % p.stderr.read())
 
         return _copyeggs(tmp3, dest, '.egg-link', undo)
 

src/zc/buildout/update.txt

@@ -290,7 +290,5 @@ Create a broken egg
     ... eggs = broken
     ... """ % dict(new_releases=new_releases))
     >>> import subprocess
-    >>> subprocess.check_call([buildout])
-    Traceback (most recent call last):
-        ...
-    CalledProcessError: Command '['/sample-buildout/bin/buildout']' returned non-zero exit status 1
+    >>> subprocess.call([buildout])
+    1