Revert "Factor versions data out of VersionDebugPanel."

This reverts commit d05dcbb.

Author: robhudson

debug_toolbar/debug/version.py

@@ -1,7 +1,13 @@
+import sys
+
+import django
+from django.conf import settings
 from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
+
+import debug_toolbar
 from debug_toolbar.panels import DebugPanel
-from debug_toolbar.debug.version import DebugVersions
+
 
 class VersionDebugPanel(DebugPanel):
     """
@@ -10,26 +16,44 @@ class VersionDebugPanel(DebugPanel):
     name = 'Version'
     has_content = True
 
-    def __init__(self, context={}):
-        super(VersionDebugPanel, self).__init__(context)
-        self.debug_version = DebugVersions()
-
     def nav_title(self):
         return _('Versions')
 
     def nav_subtitle(self):
-        return 'Django %s' % self.debug_version.django_version()
+        return 'Django %s' % django.get_version()
 
     def url(self):
         return ''
-
+    
     def title(self):
         return _('Versions')
 
     def content(self):
+        versions = {}
+        for app in settings.INSTALLED_APPS + ['django']:
+            name = app.split('.')[-1].replace('_', ' ').capitalize()
+            __import__(app)
+            app = sys.modules[app]
+            if hasattr(app, 'get_version'):
+                get_version = app.get_version
+                if callable(get_version):
+                    version = get_version()
+                else:
+                    version = get_version
+            elif hasattr(app, 'VERSION'):
+                version = app.VERSION
+            elif hasattr(app, '__version__'):
+                version = app.__version__
+            else:
+                continue
+            if isinstance(version, (list, tuple)):
+                version = '.'.join(str(o) for o in version)
+            versions[name] = version
+
         context = self.context.copy()
         context.update({
-            'versions': self.debug_version.get_versions(),
-            'paths': self.debug_version.get_paths(),
+            'versions': versions,
+            'paths': sys.path,
         })
+
         return render_to_string('debug_toolbar/panels/versions.html', context)