normpath is now used before loading templates

Author: mitsuhiko

CHANGES

@@ -25,6 +25,9 @@ Bugfix release, release date to be announced.
 
 - Fixed an issue where the default `OPTIONS` response was
   not exposing all valid methods in the `Allow` header.
+- Jinja2 template loading syntax now allows "./" in front of
+  a template load path.  Previously this caused issues with
+  module setups.
 
 Version 0.6
 -----------

flask/templating.py

@@ -8,6 +8,7 @@
     :copyright: (c) 2010 by Armin Ronacher.
     :license: BSD, see LICENSE for more details.
 """
+import posixpath
 from jinja2 import BaseLoader, TemplateNotFound
 
 from .globals import _request_ctx_stack
@@ -36,6 +37,9 @@ def __init__(self, app):
         self.app = app
 
     def get_source(self, environment, template):
+        template = posixpath.normpath(template)
+        if template.startswith('../'):
+            raise TemplateNotFound(template)
         loader = None
         try:
             module, name = template.split('/', 1)

tests/flask_tests.py

@@ -789,6 +789,8 @@ def test_templates_and_static(self):
         assert rv.data == 'Hello from the Frontend'
         rv = c.get('/admin/')
         assert rv.data == 'Hello from the Admin'
+        rv = c.get('/admin/index2')
+        assert rv.data == 'Hello from the Admin'
         rv = c.get('/admin/static/test.txt')
         assert rv.data.strip() == 'Admin File'
         rv = c.get('/admin/static/css/test.css')

tests/moduleapp/apps/admin/__init__.py

@@ -7,3 +7,8 @@
 @admin.route('/')
 def index():
     return render_template('admin/index.html')
+
+
+@admin.route('/index2')
+def index2():
+    return render_template('./admin/index.html')