--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django_extensions/management/commands/create_app.py	Wed Jan 20 12:37:40 2010 +0100
@@ -0,0 +1,72 @@
+import os
+import re
+import django_extensions
+from django.core.management.base import CommandError, LabelCommand, _make_writeable
+from optparse import make_option
+
+class Command(LabelCommand):
+    option_list = LabelCommand.option_list + (
+        make_option('--template', '-t', action='store', dest='app_template', 
+            help='The path to the app template'),
+        make_option('--parent_path', '-p', action='store', dest='parent_path', 
+            help='The parent path of the app to be created'),
+    )
+    
+    help = ("Creates a Django application directory structure based on the specified template directory.")
+    args = "[appname]"
+    label = 'application name'
+    
+    requires_model_validation = False
+    can_import_settings = True
+    
+    def handle_label(self, label, **options):
+        project_dir = os.getcwd()
+        project_name = os.path.split(project_dir)[-1]
+        app_name =label
+        app_template = options.get('app_template') or os.path.join(django_extensions.__path__[0], 'conf', 'app_template')
+        app_dir = os.path.join(options.get('parent_path') or project_dir, app_name)
+                
+        if not os.path.exists(app_template):
+            raise CommandError("The template path, %r, does not exist." % app_template)
+        
+        if not re.search(r'^\w+$', label):
+            raise CommandError("%r is not a valid application name. Please use only numbers, letters and underscores." % label)
+        try:
+            os.makedirs(app_dir)
+        except OSError, e:
+            raise CommandError(e)
+        
+        copy_template(app_template, app_dir, project_name, app_name)
+        
+def copy_template(app_template, copy_to, project_name, app_name):
+    """copies the specified template directory to the copy_to location"""
+    import shutil
+    
+    # walks the template structure and copies it
+    for d, subdirs, files in os.walk(app_template):
+        relative_dir = d[len(app_template)+1:]
+        if relative_dir and not os.path.exists(os.path.join(copy_to, relative_dir)):
+            os.mkdir(os.path.join(copy_to, relative_dir))
+        for i, subdir in enumerate(subdirs):
+            if subdir.startswith('.'):
+                del subdirs[i]
+        for f in files:
+            if f.endswith('.pyc') or f.startswith('.DS_Store'):
+                continue
+            path_old = os.path.join(d, f)
+            path_new = os.path.join(copy_to, relative_dir, f.replace('app_name', app_name))
+            if os.path.exists(path_new):
+                path_new = os.path.join(copy_to, relative_dir, f)
+                if os.path.exists(path_new):
+                    continue
+            path_new = path_new.rstrip(".tmpl")
+            fp_old = open(path_old, 'r')
+            fp_new = open(path_new, 'w')
+            fp_new.write(fp_old.read().replace('{{ app_name }}', app_name).replace('{{ project_name }}', project_name))
+            fp_old.close()
+            fp_new.close()
+            try:
+                shutil.copymode(path_old, path_new)
+                _make_writeable(path_new)
+            except OSError:
+                sys.stderr.write(style.NOTICE("Notice: Couldn't set permission bits on %s. You're probably using an uncommon filesystem setup. No problem.\n" % path_new))