# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 1570397271 14400
# Node ID 127cc1f72e7054bc099a8b1627a7ffbce228d098
# Parent  1f339b503a409566e9034a3a9b2e366e07166758
py3: stop normalizing .encode()/.decode() arguments to unicode

Now that we don't byte transform string literals, we no longer need
this transform.

While we're here, we also drop some superfluous u'' prefix in existing
callers.

Differential Revision: https://phab.mercurial-scm.org/D7011

diff -r 1f339b503a40 -r 127cc1f72e70 contrib/testparseutil.py
--- a/contrib/testparseutil.py	Sun Oct 06 16:58:55 2019 -0400
+++ b/contrib/testparseutil.py	Sun Oct 06 17:27:51 2019 -0400
@@ -49,7 +49,7 @@
     def sysstr(s):
         if isinstance(s, builtins.str):
             return s
-        return s.decode(u'latin-1')
+        return s.decode('latin-1')
 
     def opentext(f):
         return open(f, 'r')
diff -r 1f339b503a40 -r 127cc1f72e70 hgext/lfs/blobstore.py
--- a/hgext/lfs/blobstore.py	Sun Oct 06 16:58:55 2019 -0400
+++ b/hgext/lfs/blobstore.py	Sun Oct 06 17:27:51 2019 -0400
@@ -394,7 +394,7 @@
 
         def encodestr(x):
             if isinstance(x, pycompat.unicode):
-                return x.encode(u'utf-8')
+                return x.encode('utf-8')
             return x
 
         return pycompat.rapply(encodestr, response)
diff -r 1f339b503a40 -r 127cc1f72e70 mercurial/__init__.py
--- a/mercurial/__init__.py	Sun Oct 06 16:58:55 2019 -0400
+++ b/mercurial/__init__.py	Sun Oct 06 17:27:51 2019 -0400
@@ -166,14 +166,6 @@
                     if arg1idx is not None:
                         _ensureunicode(arg1idx)
 
-                # .encode() and .decode() on str/bytes/unicode don't accept
-                # byte strings on Python 3.
-                elif fn in ('encode', 'decode') and _isop(i - 1, '.'):
-                    for argn in range(2):
-                        argidx = _findargnofcall(argn)
-                        if argidx is not None:
-                            _ensureunicode(argidx)
-
                 # It changes iteritems/values to items/values as they are not
                 # present in Python 3 world.
                 elif fn in ('iteritems', 'itervalues') and not (
@@ -190,7 +182,7 @@
     # ``replacetoken`` or any mechanism that changes semantics of module
     # loading is changed. Otherwise cached bytecode may get loaded without
     # the new transformation mechanisms applied.
-    BYTECODEHEADER = b'HG\x00\x12'
+    BYTECODEHEADER = b'HG\x00\x13'
 
     class hgloader(importlib.machinery.SourceFileLoader):
         """Custom module loader that transforms source code.
diff -r 1f339b503a40 -r 127cc1f72e70 mercurial/pycompat.py
--- a/mercurial/pycompat.py	Sun Oct 06 16:58:55 2019 -0400
+++ b/mercurial/pycompat.py	Sun Oct 06 17:27:51 2019 -0400
@@ -206,7 +206,7 @@
             ) and not hasattr(  # hasattr-py3-only
                 s, u'__bytes__'
             ):
-                s = str(s).encode(u'ascii')
+                s = str(s).encode('ascii')
             return bytes.__new__(cls, s)
 
         def __getitem__(self, key):
@@ -237,7 +237,7 @@
         This never raises UnicodeEncodeError, but only ASCII characters
         can be round-trip by sysstr(sysbytes(s)).
         """
-        return s.encode(u'utf-8')
+        return s.encode('utf-8')
 
     def sysstr(s):
         """Return a keyword str to be passed to Python functions such as
@@ -249,18 +249,18 @@
         """
         if isinstance(s, builtins.str):
             return s
-        return s.decode(u'latin-1')
+        return s.decode('latin-1')
 
     def strurl(url):
         """Converts a bytes url back to str"""
         if isinstance(url, bytes):
-            return url.decode(u'ascii')
+            return url.decode('ascii')
         return url
 
     def bytesurl(url):
         """Converts a str url to bytes by encoding in ascii"""
         if isinstance(url, str):
-            return url.encode(u'ascii')
+            return url.encode('ascii')
         return url
 
     def raisewithtb(exc, tb):