Merge "Allow all RFC3986-specified characters in explicit path segments."

pecan/routing.py

@@ -42,7 +42,9 @@ def route(*args):
         if not isinstance(route, six.string_types):
             raise TypeError('%s must be a string' % route)
 
-        if not re.match('^[0-9a-zA-Z-_$\(\),;:]+$', route):
+        if route in ('.', '..') or not re.match(
+            '^[0-9a-zA-Z-_$\(\)\.~!,;:*+@=]+$', route
+        ):
             raise ValueError(
                 '%s must be a valid path segment.  Keep in mind '
                 'that path segments should not contain path separators '

pecan/tests/test_base.py

@@ -2208,6 +2208,13 @@ class TestExplicitRoute(PecanTestCase):
             'path(with-parens)',
             'path;with;semicolons',
             'path:with:colons',
+            'v2.0',
+            '~username',
+            'somepath!',
+            'four*four',
+            'one+two',
+            '@twitterhandle',
+            'package=pecan'
         ):
             handler = C()
             route(C, path, handler)