Fixed few misspellings in comments

Change-Id: I8479c85cb8821c48b5da197cac37c80e5c1c7f05

swift/common/middleware/tempurl.py

@@ -375,7 +375,7 @@ class TempURL(object):
                 break
         if not is_valid_hmac:
             return self._invalid(env, start_response)
-        # disallowed headers prevent accidently allowing upload of a pointer
+        # disallowed headers prevent accidentally allowing upload of a pointer
         # to data that the PUT tempurl would not otherwise allow access for.
         # It should be safe to provide a GET tempurl for data that an
         # untrusted client just uploaded with a PUT tempurl.
@@ -540,7 +540,7 @@ class TempURL(object):
 
     def _clean_disallowed_headers(self, env, start_response):
         """
-        Validate the absense of disallowed headers for "unsafe" operations.
+        Validate the absence of disallowed headers for "unsafe" operations.
 
         :returns: None for safe operations or swob.HTTPBadResponse if the
                   request includes disallowed headers.

swift/common/storage_policy.py

@@ -324,7 +324,7 @@ class BaseStoragePolicy(object):
         Removes an alias name from the storage policy. Shouldn't be called
         directly from the storage policy but instead through the storage
         policy collection class, so lookups by name resolve correctly. If
-        the name removed is the primary name then the next availiable alias
+        the name removed is the primary name then the next available alias
         will be adopted as the new primary name.
 
         :param name: a name assigned to the storage policy
@@ -776,7 +776,7 @@ class StoragePolicyCollection(object):
     def remove_policy_alias(self, *aliases):
         """
         Removes a name or names from a policy. If the name removed is the
-        primary name then the next availiable alias will be adopted
+        primary name then the next available alias will be adopted
         as the new primary name.
 
         :param *aliases: arbitrary number of existing policy names to remove.

swift/common/utils.py

@@ -424,7 +424,7 @@ def get_log_line(req, res, trans_time, additional_info):
     :param trans_time: the time the request took to complete, a float.
     :param additional_info: a string to log at the end of the line
 
-    :returns: a properly formated line for logging.
+    :returns: a properly formatted line for logging.
     """
 
     policy_index = get_policy_index(req.headers, res.headers)

test/unit/obj/test_reconstructor.py

@@ -221,7 +221,7 @@ class TestGlobalSetupObjectReconstructor(unittest.TestCase):
 
             def part_2(set):
                 # this part is a handoff in our config (always)
-                # so lets do a set with indicies from different nodes
+                # so lets do a set with indices from different nodes
                 if set == 0:
                     return (local_id + 1) % 3
                 else:

test/unit/obj/test_server.py

@@ -5558,7 +5558,7 @@ class TestObjectServer(unittest.TestCase):
                         object-metadata (e.g.  X-Backend-Obj-Content-Length)
                         is generally expected tomatch the test_doc)
         :param finish_body: boolean, if true send "0\r\n\r\n" after test_doc
-                            and wait for 100-continue before yeilding context
+                            and wait for 100-continue before yielding context
         """
         test_data = 'obj data'
         footer_meta = {