ui: look before you leap on sys.stderr.closed (and look nicer)
f83291e5643e introduced a fix if sys.stdout.closed does not exist.
This change uses a getattr with default instead of hasattr (which just calls
getattr) and accessing the attribute.
Additionally it applies the same fix for sys.stderr.closed as this is not
available in the bpython shell (reported by Roger Gammans).
#!/usr/bin/env python
#
# An example CGI script to use hgweb, edit as necessary
# adjust python path if not a system-wide install:
#import sys
#sys.path.insert(0, "/path/to/python/lib")
# enable importing on demand to reduce startup time
from mercurial import demandimport; demandimport.enable()
# Uncomment to send python tracebacks to the browser if an error occurs:
#import cgitb
#cgitb.enable()
# If you'd like to serve pages with UTF-8 instead of your default
# locale charset, you can do so by uncommenting the following lines.
# Note that this will cause your .hgrc files to be interpreted in
# UTF-8 and all your repo files to be displayed using UTF-8.
#
#import os
#os.environ["HGENCODING"] = "UTF-8"
from mercurial.hgweb.hgweb_mod import hgweb
import mercurial.hgweb.wsgicgi as wsgicgi
application = hgweb("/path/to/repo", "repository name")
wsgicgi.launch(application)