lfs: add missing b prefixes on some regular expressions

# skip-blame just some b prefixes

Differential Revision: https://phab.mercurial-scm.org/D2564

hgext/lfs/pointer.py

@@ -1,73 +1,73 b''
 # pointer.py - Git-LFS pointer serialization
 #
 # Copyright 2017 Facebook, Inc.
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from __future__ import absolute_import
 
 import re
 
 from mercurial.i18n import _
 
 from mercurial import (
     error,
 )
 
 class InvalidPointer(error.RevlogError):
     pass
 
 class gitlfspointer(dict):
     VERSION = 'https://git-lfs.github.com/spec/v1'
 
     def __init__(self, *args, **kwargs):
         self['version'] = self.VERSION
         super(gitlfspointer, self).__init__(*args, **kwargs)
 
     @classmethod
     def deserialize(cls, text):
         try:
             return cls(l.split(' ', 1) for l in text.splitlines()).validate()
         except ValueError: # l.split returns 1 item instead of 2
             raise InvalidPointer(_('cannot parse git-lfs text: %r') % text)
 
     def serialize(self):
         sortkeyfunc = lambda x: (x[0] != 'version', x)
         items = sorted(self.validate().iteritems(), key=sortkeyfunc)
         return ''.join('%s %s\n' % (k, v) for k, v in items)
 
     def oid(self):
         return self['oid'].split(':')[-1]
 
     def size(self):
         return int(self['size'])
 
     # regular expressions used by _validate
     # see https://github.com/git-lfs/git-lfs/blob/master/docs/spec.md
-    _keyre = re.compile(r'\A[a-z0-9.-]+\Z')
-    _valuere = re.compile(r'\A[^\n]*\Z')
+    _keyre = re.compile(br'\A[a-z0-9.-]+\Z')
+    _valuere = re.compile(br'\A[^\n]*\Z')
     _requiredre = {
-        'size': re.compile(r'\A[0-9]+\Z'),
-        'oid': re.compile(r'\Asha256:[0-9a-f]{64}\Z'),
-        'version': re.compile(r'\A%s\Z' % re.escape(VERSION)),
+        'size': re.compile(br'\A[0-9]+\Z'),
+        'oid': re.compile(br'\Asha256:[0-9a-f]{64}\Z'),
+        'version': re.compile(br'\A%s\Z' % re.escape(VERSION)),
     }
 
     def validate(self):
         """raise InvalidPointer on error. return self if there is no error"""
         requiredcount = 0
         for k, v in self.iteritems():
             if k in self._requiredre:
                 if not self._requiredre[k].match(v):
                     raise InvalidPointer(_('unexpected value: %s=%r') % (k, v))
                 requiredcount += 1
             elif not self._keyre.match(k):
                 raise InvalidPointer(_('unexpected key: %s') % k)
             if not self._valuere.match(v):
                 raise InvalidPointer(_('unexpected value: %s=%r') % (k, v))
         if len(self._requiredre) != requiredcount:
             miss = sorted(set(self._requiredre.keys()).difference(self.keys()))
             raise InvalidPointer(_('missed keys: %s') % ', '.join(miss))
         return self
 
 deserialize = gitlfspointer.deserialize