bitbake: bitbake: Convert to python 3

Various misc changes to convert bitbake to python3 which don't warrant
separation into separate commits.

(Bitbake rev: d0f904d407f57998419bd9c305ce53e5eaa36b24)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/pysh/builtin.py

@@ -527,7 +527,7 @@ def utility_sed(name, args, interp, env, stdin, stdout, stderr, debugflags):
         print interp.log(' '.join([name, str(args), interp['PWD']]) + '\n')
         
     # Scan pattern arguments and append a space if necessary
-    for i in xrange(len(args)):
+    for i in range(len(args)):
         if not RE_SED.search(args[i]):
             continue
         args[i] = args[i] + ' '

bitbake/lib/bb/pysh/interp.py

@@ -474,7 +474,7 @@ class Environment:
         """
         # Save and remove previous arguments
         prevargs = []        
-        for i in xrange(int(self._env['#'])):
+        for i in range(int(self._env['#'])):
             i = str(i+1)
             prevargs.append(self._env[i])
             del self._env[i]
@@ -488,7 +488,7 @@ class Environment:
         return prevargs
         
     def get_positional_args(self):
-        return [self._env[str(i+1)] for i in xrange(int(self._env['#']))]
+        return [self._env[str(i+1)] for i in range(int(self._env['#']))]
         
     def get_variables(self):
         return dict(self._env)

bitbake/lib/bb/pysh/pyshlex.py

@@ -20,7 +20,7 @@ except NameError:
     from Set import Set as set
 
 from ply import lex
-from sherrors import *
+from bb.pysh.sherrors import *
 
 class NeedMore(Exception):
     pass

bitbake/lib/bb/pysh/pyshyacc.py

@@ -10,11 +10,11 @@
 import os.path
 import sys
 
-import pyshlex
+import bb.pysh.pyshlex as pyshlex
 tokens = pyshlex.tokens
 
 from ply import yacc
-import sherrors
+import bb.pysh.sherrors as sherrors
     
 class IORedirect:
     def __init__(self, op, filename, io_number=None):