py3: convert some dict.iteritems() calls to items()

Summary:
These call sites are hit during initialization.  They all appear to be
small-ish dictionaries so the performance hit of having this iteration be
non-lazy in Python 2 should not matter much.

Reviewed By: farnz

Differential Revision: D19591565

fbshipit-source-id: 324844d64ba63f6e379aab270e453d44a02063e9

eden/scm/edenscm/mercurial/filemerge.py

@@ -1033,7 +1033,7 @@ def filemerge(repo, wctx, mynode, orig, fcd, fco, fca, labels=None):
 def loadinternalmerge(ui, extname, registrarobj):
     """Load internal merge tool from specified registrarobj
     """
-    for name, func in registrarobj._table.iteritems():
+    for name, func in registrarobj._table.items():
         fullname = ":" + name
         internals[fullname] = func
         internals["internal:" + name] = func

eden/scm/edenscm/mercurial/fileset.py

@@ -671,7 +671,7 @@ def prettyformat(tree):
 def loadpredicate(ui, extname, registrarobj):
     """Load fileset predicates from specified registrarobj
     """
-    for name, func in registrarobj._table.iteritems():
+    for name, func in registrarobj._table.items():
         symbols[name] = func
         if func._callstatus:
             _statuscallers.add(name)

eden/scm/edenscm/mercurial/pycompat.py

@@ -247,7 +247,7 @@ if sys.version_info[0] >= 3:
         they can be passed as keyword arguments as dictonaries with bytes keys
         can't be passed as keyword arguments to functions on Python 3.
         """
-        dic = dict((k.decode("latin-1"), v) for k, v in dic.iteritems())
+        dic = dict((k.decode("latin-1"), v) for k, v in dic.items())
         return dic
 
     def byteskwargs(dic):
@@ -255,7 +255,7 @@ if sys.version_info[0] >= 3:
         Converts keys of python dictonaries to bytes as they were converted to
         str to pass that dictonary as a keyword argument on Python 3.
         """
-        dic = dict((k.encode("latin-1"), v) for k, v in dic.iteritems())
+        dic = dict((k.encode("latin-1"), v) for k, v in dic.items())
         return dic
 
     # TODO: handle shlex.shlex().

eden/scm/edenscm/mercurial/revset.py

@@ -2535,7 +2535,7 @@ def makematcher(tree):
 def loadpredicate(ui, extname, registrarobj):
     """Load revset predicates from specified registrarobj
     """
-    for name, func in registrarobj._table.iteritems():
+    for name, func in registrarobj._table.items():
         symbols[name] = func
         if func._safe:
             safesymbols.add(name)

eden/scm/edenscm/mercurial/store.py

@@ -154,7 +154,7 @@ def _buildencodefun(forfncache):
         cmap[xchr(x)] = e + xchr(x).lower()
 
     dmap = {}
-    for k, v in cmap.iteritems():
+    for k, v in cmap.items():
         dmap[v] = k
 
     if not forfncache: