--- a/mercurial/store.py	Thu Sep 07 22:36:54 2017 +0900
+++ b/mercurial/store.py	Sun Sep 03 14:32:11 2017 +0900
@@ -27,13 +27,13 @@
 # foo.i or foo.d
 def _encodedir(path):
     '''
-    >>> _encodedir('data/foo.i')
+    >>> _encodedir(b'data/foo.i')
     'data/foo.i'
-    >>> _encodedir('data/foo.i/bla.i')
+    >>> _encodedir(b'data/foo.i/bla.i')
     'data/foo.i.hg/bla.i'
-    >>> _encodedir('data/foo.i.hg/bla.i')
+    >>> _encodedir(b'data/foo.i.hg/bla.i')
     'data/foo.i.hg.hg/bla.i'
-    >>> _encodedir('data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n')
+    >>> _encodedir(b'data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n')
     'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n'
     '''
     return (path
@@ -45,11 +45,11 @@
 
 def decodedir(path):
     '''
-    >>> decodedir('data/foo.i')
+    >>> decodedir(b'data/foo.i')
     'data/foo.i'
-    >>> decodedir('data/foo.i.hg/bla.i')
+    >>> decodedir(b'data/foo.i.hg/bla.i')
     'data/foo.i/bla.i'
-    >>> decodedir('data/foo.i.hg.hg/bla.i')
+    >>> decodedir(b'data/foo.i.hg.hg/bla.i')
     'data/foo.i.hg/bla.i'
     '''
     if ".hg/" not in path:
@@ -80,24 +80,24 @@
     '''
     >>> enc, dec = _buildencodefun()
 
-    >>> enc('nothing/special.txt')
+    >>> enc(b'nothing/special.txt')
     'nothing/special.txt'
-    >>> dec('nothing/special.txt')
+    >>> dec(b'nothing/special.txt')
     'nothing/special.txt'
 
-    >>> enc('HELLO')
+    >>> enc(b'HELLO')
     '_h_e_l_l_o'
-    >>> dec('_h_e_l_l_o')
+    >>> dec(b'_h_e_l_l_o')
     'HELLO'
 
-    >>> enc('hello:world?')
+    >>> enc(b'hello:world?')
     'hello~3aworld~3f'
-    >>> dec('hello~3aworld~3f')
+    >>> dec(b'hello~3aworld~3f')
     'hello:world?'
 
-    >>> enc('the\x07quick\xADshot')
+    >>> enc(b'the\x07quick\xADshot')
     'the~07quick~adshot'
-    >>> dec('the~07quick~adshot')
+    >>> dec(b'the~07quick~adshot')
     'the\\x07quick\\xadshot'
     '''
     e = '_'
@@ -133,14 +133,14 @@
 
 def encodefilename(s):
     '''
-    >>> encodefilename('foo.i/bar.d/bla.hg/hi:world?/HELLO')
+    >>> encodefilename(b'foo.i/bar.d/bla.hg/hi:world?/HELLO')
     'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o'
     '''
     return _encodefname(encodedir(s))
 
 def decodefilename(s):
     '''
-    >>> decodefilename('foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o')
+    >>> decodefilename(b'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o')
     'foo.i/bar.d/bla.hg/hi:world?/HELLO'
     '''
     return decodedir(_decodefname(s))
@@ -148,13 +148,13 @@
 def _buildlowerencodefun():
     '''
     >>> f = _buildlowerencodefun()
-    >>> f('nothing/special.txt')
+    >>> f(b'nothing/special.txt')
     'nothing/special.txt'
-    >>> f('HELLO')
+    >>> f(b'HELLO')
     'hello'
-    >>> f('hello:world?')
+    >>> f(b'hello:world?')
     'hello~3aworld~3f'
-    >>> f('the\x07quick\xADshot')
+    >>> f(b'the\x07quick\xADshot')
     'the~07quick~adshot'
     '''
     cmap = dict([(chr(x), chr(x)) for x in xrange(127)])
@@ -180,15 +180,15 @@
     basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux"
     doesn't need encoding.
 
-    >>> s = '.foo/aux.txt/txt.aux/con/prn/nul/foo.'
-    >>> _auxencode(s.split('/'), True)
+    >>> s = b'.foo/aux.txt/txt.aux/con/prn/nul/foo.'
+    >>> _auxencode(s.split(b'/'), True)
     ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e']
-    >>> s = '.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.'
-    >>> _auxencode(s.split('/'), False)
+    >>> s = b'.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.'
+    >>> _auxencode(s.split(b'/'), False)
     ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e']
-    >>> _auxencode(['foo. '], True)
+    >>> _auxencode([b'foo. '], True)
     ['foo.~20']
-    >>> _auxencode([' .foo'], True)
+    >>> _auxencode([b' .foo'], True)
     ['~20.foo']
     '''
     for i, n in enumerate(path):