[PATCH 1 of 3] py3: add "b" prefix to string literals related to module policy

[FUJIWARA Katsunori]

At Sun, 12 Mar 2017 08:49:12 -0700,
Yuya Nishihara wrote:
> 
> On Sun, 12 Mar 2017 15:47:58 +0900, FUJIWARA Katsunori wrote:
> > # HG changeset patch
> > # User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
> > # Date 1489300798 -32400
> > #      Sun Mar 12 15:39:58 2017 +0900
> > # Node ID 0f3cdc6061dc630d154c3fa45dfc8257d8ed9d09
> > # Parent  62939e0148f170b67ca8c7374f36c413b67fd387
> > py3: add "b" prefix to string literals related to module policy
> 
> > --- a/mercurial/policy.py
> > +++ b/mercurial/policy.py
> > @@ -20,8 +20,8 @@ import sys
> >  #
> >  # By default, require the C extensions for performance reasons.
> >  policy = 'c'
> > -policynoc = ('cffi', 'cffi-allow', 'py')
> > -policynocffi = ('c', 'py')
> > +policynoc = (b'cffi', b'cffi-allow', b'py')
> > +policynocffi = (b'c', b'py')
> >  
> >  try:
> >      from . import __modulepolicy__
> > @@ -39,7 +39,11 @@ if '__pypy__' in sys.builtin_module_name
> >  # Our C extensions aren't yet compatible with Python 3. So use pure Python
> >  # on Python 3 for now.
> >  if sys.version_info[0] >= 3:
> > -    policy = b'py'
> > +    policy = 'py'
> >  
> >  # Environment variable can always force settings.
> >  policy = os.environ.get('HGMODULEPOLICY', policy)
> > +
> > +if sys.version_info[0] >= 3:
> > +    # at this point, "policy" is still unicode
> > +    policy = policy.encode('utf-8')
> 
> __modulepolicy__.modulepolicy is a bytes constant. I prefer keeping policy
> always bytes so nobody would be tricked by bytes/unicode difference in future.
> 

Oops, sorry, I overlooked that Augie changed it simultaneously in
62939e0148f1.

OK, I'll send revised one.

-- 
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[FUJIWARA Katsunori]                             foozy at lares.dti.ne.jp