Fixed #6654 -- Slightly refactored the way 'startproject' and 'startapp' check for existing Python modules. Thanks, i_i

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7652 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/startapp.py

@@ -3,8 +3,7 @@ import os
 from django.core.management.base import copy_helper, CommandError, LabelCommand
 
 class Command(LabelCommand):
-    help = ("Creates a Django app directory structure for the given app name"
-            " in the current directory.")
+    help = "Creates a Django app directory structure for the given app name in the current directory."
     args = "[appname]"
     label = 'application name'
 
@@ -16,6 +15,7 @@ class Command(LabelCommand):
     def handle_label(self, app_name, directory=None, **options):
         if directory is None:
             directory = os.getcwd()
+
         # Determine the project_name by using the basename of directory,
         # which should be the full path of the project directory (or the
         # current directory if no directory was passed).
@@ -23,6 +23,15 @@ class Command(LabelCommand):
         if app_name == project_name:
             raise CommandError("You cannot create an app with the same name"
                                " (%r) as your project." % app_name)
+
+        # Check that the app_name cannot be imported.
+        try:
+            __import__(app_name)
+        except ImportError:
+            pass
+        else:
+            raise CommandError("%r conflicts with the name of an existing Python module and cannot be used as an app name. Please try another name." % app_name)
+
         copy_helper(self.style, 'app', app_name, directory, project_name)
 
 class ProjectCommand(Command):

django/core/management/commands/startproject.py

@@ -3,8 +3,6 @@ import os
 import re
 from random import choice
 
-INVALID_PROJECT_NAMES = ('django', 'site', 'test')
-
 class Command(LabelCommand):
     help = "Creates a Django project directory structure for the given project name in the current directory."
     args = "[projectname]"
@@ -20,13 +18,13 @@ class Command(LabelCommand):
         # the parent directory.
         directory = os.getcwd()
 
+        # Check that the project_name cannot be imported.
         try:
-            proj_name = __import__(project_name)
-            if proj_name:
-                raise CommandError("%r conflicts with the name of an existing Python module and cannot be used as a project name. Please try another name." % project_name)
+            __import__(project_name)
         except ImportError:
-            if project_name in INVALID_PROJECT_NAMES:
-                raise CommandError("%r contains an invalid project name. Please try another name." % project_name)
+            pass
+        else:
+            raise CommandError("%r conflicts with the name of an existing Python module and cannot be used as a project name. Please try another name." % project_name)
 
         copy_helper(self.style, 'project', project_name, directory)