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| -rw-r--r-- | setuptools/dist.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/setuptools/dist.py b/setuptools/dist.py index 6607cf7b..afac180e 100644 --- a/setuptools/dist.py +++ b/setuptools/dist.py @@ -640,6 +640,38 @@ class Distribution(_Distribution): name = name[:-6] yield name + + def handle_display_options(self, option_order): + """If there were any non-global "display-only" options + (--help-commands or the metadata display options) on the command + line, display the requested info and return true; else return + false. + """ + import sys + + if sys.version_info < (3,) or self.help_commands: + return _Distribution.handle_display_options(self, option_order) + + # Stdout may be StringIO (e.g. in tests) + import io + if not isinstance(sys.stdout, io.TextIOWrapper): + return _Distribution.handle_display_options(self, option_order) + + # Print metadata in UTF-8 no matter the platform + encoding = sys.stdout.encoding + errors = sys.stdout.errors + newline = sys.platform != 'win32' and '\n' or None + line_buffering = sys.stdout.line_buffering + + sys.stdout = io.TextIOWrapper( + sys.stdout.detach(), 'utf-8', errors, newline, line_buffering) + try: + return _Distribution.handle_display_options(self, option_order) + finally: + sys.stdout = io.TextIOWrapper( + sys.stdout.detach(), encoding, errors, newline, line_buffering) + + # Install it throughout the distutils for module in distutils.dist, distutils.core, distutils.cmd: module.Distribution = Distribution |