remove several places supporting bytes for py2

3 files changed, 14 insertions, 28 deletions

diff --git a/src/pyramid/response.py b/src/pyramid/response.py
index 38f9fa1ce..8a2ba8929 100644
--- a/src/pyramid/response.py
+++ b/src/pyramid/response.py
@@ -100,14 +100,12 @@ class FileIter(object):
     def __iter__(self):
         return self
 
-    def next(self):
+    def __next__(self):
         val = self.file.read(self.block_size)
         if not val:
             raise StopIteration
         return val
 
-    __next__ = next  # py3
-
     def close(self):
         self.file.close()
 
diff --git a/src/pyramid/urldispatch.py b/src/pyramid/urldispatch.py
index 6348ae7e2..97626c5dd 100644
--- a/src/pyramid/urldispatch.py
+++ b/src/pyramid/urldispatch.py
@@ -188,14 +188,6 @@ def _compile_route(route):
     match = re.compile(pattern).match
 
     def matcher(path):
-        # This function really wants to consume Unicode patterns natively,
-        # but if someone passes us a bytestring, we allow it by converting it
-        # to Unicode using the ASCII decoding.  We decode it using ASCII
-        # because we don't want to accept bytestrings with high-order
-        # characters in them here as we have no idea what the encoding
-        # represents.
-        if path.__class__ is not str:
-            path = text_(path, 'ascii')
         m = match(path)
         if m is None:
             return None
@@ -216,7 +208,7 @@ def _compile_route(route):
         newdict = {}
         for k, v in dict.items():
             if v.__class__ is bytes:
-                # url_quote below needs a native string, not bytes on Py3
+                # url_quote below needs a native string
                 v = v.decode('utf-8')
 
             if k == remainder:
@@ -230,7 +222,6 @@ def _compile_route(route):
             else:
                 if v.__class__ is not str:
                     v = str(v)
-                # v may be bytes (py2) or native string (py3)
                 v = q(v)
 
             # at this point, the value will be a native string
diff --git a/src/pyramid/util.py b/src/pyramid/util.py
index 6cd8225aa..0688e67d3 100644
--- a/src/pyramid/util.py
+++ b/src/pyramid/util.py
@@ -603,10 +603,7 @@ def takes_one_arg(callee, attr=None, argname=None):
     if inspect.isroutine(callee):
         fn = callee
     elif inspect.isclass(callee):
-        try:
-            fn = callee.__init__
-        except AttributeError:
-            return False
+        fn = callee.__init__
         ismethod = hasattr(fn, '__call__')
     else:
         try:
@@ -614,15 +611,11 @@ def takes_one_arg(callee, attr=None, argname=None):
         except AttributeError:
             return False
 
-    try:
-        argspec = inspect.getfullargspec(fn)
-    except TypeError:
-        return False
-
+    argspec = inspect.getfullargspec(fn)
     args = argspec[0]
 
     if hasattr(fn, '__func__') or ismethod:
-        # it's an instance method (or unbound method on py2)
+        # it's an instance method
         if not args:
             return False
         args = args[1:]
@@ -676,8 +669,12 @@ def is_unbound_method(fn):
 
 
 def reraise(tp, value, tb=None):
-    if value is None:
-        value = tp
-    if value.__traceback__ is not tb:
-        raise value.with_traceback(tb)
-    raise value
+    try:
+        if value is None:
+            value = tp()
+        if value.__traceback__ is not tb:
+            raise value.with_traceback(tb)
+        raise value
+    finally:
+        value = None
+        tb = None