mangler: stop rewriting string constants to be bytes literals
We've rewritten everything, so we no longer require this step.
Differential Revision: https://phab.mercurial-scm.org/D6973
--- a/mercurial/__init__.py Sun Oct 06 09:48:39 2019 -0400
+++ b/mercurial/__init__.py Sat May 04 11:25:40 2019 -0400
@@ -153,37 +153,6 @@
tokens[j] = st._replace(string='u%s' % st.string)
for i, t in enumerate(tokens):
- # Convert most string literals to byte literals. String literals
- # in Python 2 are bytes. String literals in Python 3 are unicode.
- # Most strings in Mercurial are bytes and unicode strings are rare.
- # Rather than rewrite all string literals to use ``b''`` to indicate
- # byte strings, we apply this token transformer to insert the ``b``
- # prefix nearly everywhere.
- if t.type == token.STRING:
- s = t.string
-
- # Preserve docstrings as string literals. This is inconsistent
- # with regular unprefixed strings. However, the
- # "from __future__" parsing (which allows a module docstring to
- # exist before it) doesn't properly handle the docstring if it
- # is b''' prefixed, leading to a SyntaxError. We leave all
- # docstrings as unprefixed to avoid this. This means Mercurial
- # components touching docstrings need to handle unicode,
- # unfortunately.
- if s[0:3] in ("'''", '"""'):
- yield t
- continue
-
- # If the first character isn't a quote, it is likely a string
- # prefixing character (such as 'b', 'u', or 'r'. Ignore.
- if s[0] not in ("'", '"'):
- yield t
- continue
-
- # String literal. Prefix to make a b'' string.
- yield t._replace(string='b%s' % t.string)
- continue
-
# Insert compatibility imports at "from __future__ import" line.
# No '\n' should be added to preserve line numbers.
if (