Catch HTTPException when reading from remote http repository.
If the server dies very early, an httplib.IncompleteRead exception may be
raised, because httplib can't read a single byte. Catching all HTTPException
subclasses here will prevent ugly backtraces for similar things, too.
#!/usr/bin/env python
#
# An example CGI script to use hgweb, edit as necessary
import cgitb, os, sys
cgitb.enable()
# sys.path.insert(0, "/path/to/python/lib") # if not a system-wide install
from mercurial import hgweb
h = hgweb.hgweb("/path/to/repo", "repository name")
h.run()