Fix unquoting of positional args with plus sign

Closes-Bug: #1425750

Change-Id: I60616299b7853b0587ff25b74bfc155dc7589204

pecan/core.py

@@ -16,7 +16,7 @@ from webob import (Request as WebObRequest, Response as WebObResponse, exc,
                    acceptparse)
 from webob.multidict import NestedMultiDict
 
-from .compat import urlparse, unquote_plus, izip
+from .compat import urlparse, izip
 from .secure import handle_security
 from .templating import RendererFactory
 from .routing import lookup_controller, NonCanonicalPath
@@ -348,11 +348,7 @@ class PecanBase(object):
             valid_args.pop(0)  # pop off `self`
         pecan_state = state.request.pecan
 
-        def _decode(x):
-            return unquote_plus(x) if isinstance(x, six.string_types) \
-                else x
-
-        remainder = [_decode(x) for x in remainder if x]
+        remainder = [x for x in remainder if x]
 
         if im_self is not None:
             args.append(im_self)

pecan/tests/test_base.py

@@ -462,6 +462,16 @@ class TestControllerArguments(PecanTestCase):
         assert r.status_int == 200
         assert r.body == b_('index: This is a test!')
 
+    def test_single_argument_with_plus(self):
+        r = self.app_.get('/foo+bar')
+        assert r.status_int == 200
+        assert r.body == b_('index: foo+bar')
+
+    def test_single_argument_with_encoded_plus(self):
+        r = self.app_.get('/foo%2Bbar')
+        assert r.status_int == 200
+        assert r.body == b_('index: foo+bar')
+
     def test_two_arguments(self):
         r = self.app_.get('/1/dummy', status=404)
         assert r.status_int == 404
@@ -476,6 +486,16 @@ class TestControllerArguments(PecanTestCase):
         assert r.status_int == 200
         assert r.body == b_('index: This is a test!')
 
+    def test_keyword_argument_with_plus(self):
+        r = self.app_.get('/?id=foo+bar')
+        assert r.status_int == 200
+        assert r.body == b_('index: foo bar')
+
+    def test_keyword_argument_with_encoded_plus(self):
+        r = self.app_.get('/?id=foo%2Bbar')
+        assert r.status_int == 200
+        assert r.body == b_('index: foo+bar')
+
     def test_argument_and_keyword_argument(self):
         r = self.app_.get('/3?id=three')
         assert r.status_int == 200