setup: remove support for 2to3
We want to run unaltered source on multiple Python versions. We
won't be using 2to3 for Python 3 support.
--- a/setup.py Sat Feb 27 21:08:37 2016 -0800
+++ b/setup.py Sat Feb 27 21:11:24 2016 -0800
@@ -84,19 +84,6 @@
from distutils.sysconfig import get_python_inc, get_config_var
from distutils.version import StrictVersion
-convert2to3 = '--c2to3' in sys.argv
-if convert2to3:
- try:
- from distutils.command.build_py import build_py_2to3 as build_py
- from lib2to3.refactor import get_fixers_from_package as getfixers
- except ImportError:
- if sys.version_info[0] < 3:
- raise SystemExit("--c2to3 is only compatible with python3.")
- raise
- sys.path.append('contrib')
-elif sys.version_info[0] >= 3:
- raise SystemExit("setup.py with python3 needs --c2to3 (experimental)")
-
scripts = ['hg']
if os.name == 'nt':
# We remove hg.bat if we are able to build hg.exe.
@@ -235,15 +222,7 @@
class hgbuild(build):
# Insert hgbuildmo first so that files in mercurial/locale/ are found
# when build_py is run next.
- sub_commands = [('build_mo', None),
-
- # We also need build_ext before build_py. Otherwise, when 2to3 is
- # called (in build_py), it will not find osutil & friends,
- # thinking that those modules are global and, consequently, making
- # a mess, now that all module imports are global.
-
- ('build_ext', build.has_ext_modules),
- ] + build.sub_commands
+ sub_commands = [('build_mo', None)] + build.sub_commands
class hgbuildmo(build):
@@ -282,8 +261,6 @@
global_options = Distribution.global_options + \
[('pure', None, "use pure (slow) Python "
"code instead of C extensions"),
- ('c2to3', None, "(experimental!) convert "
- "code with 2to3"),
]
def has_ext_modules(self):
@@ -328,10 +305,6 @@
return build_scripts.run(self)
class hgbuildpy(build_py):
- if convert2to3:
- fixer_names = sorted(set(getfixers("lib2to3.fixes") +
- getfixers("hgfixes")))
-
def finalize_options(self):
build_py.finalize_options(self)