Improved our tests so that they don't raise an error if setuptools isn't installed, hence ridding the test suite of all dependencies. Also updated docs.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7751 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/contributing.txt

@@ -747,10 +747,8 @@ dependencies:
     *  Docutils_
     *  setuptools_
 
-Of these dependencies, setuptools_ is the only dependency that is required. If
-setuptools_ is not installed, you'll get import errors when running one of
-the template tests. The tests using the other dependencies will be skipped if the
-particular library can't be found.
+Each of these dependencies is optional. If you're missing any of them, the
+associated tests will be skipped.
 
 .. _PyYAML: http://pyyaml.org/wiki/PyYAML
 .. _Markdown: http://pypi.python.org/pypi/Markdown/1.7

tests/regressiontests/templates/tests.py

@@ -20,7 +20,10 @@ from django.utils.tzinfo import LocalTimezone
 from unicode import unicode_tests
 from context import context_tests
 
+try:
     from loaders import *
+except ImportError:
+    pass # If setuptools isn't installed, that's fine. Just move on.
 
 import filters