from ConfigParser import NoSectionError, NoOptionError
from gitosis import group
def haveAccess(config, user, mode, path):
"""
Map request for write access to allowed path.
Note for read-only access, the caller should check for write
access too.
Returns ``None`` for no access, or the physical repository path
for access granted to that repository.
"""
for groupname in group.getMembership(config=config, user=user):
try:
repos = config.get('group %s' % groupname, mode)
except (NoSectionError, NoOptionError):
repos = []
else:
repos = repos.split()
if path in repos:
return path
try:
mapping = config.get('group %s' % groupname,
'map %s %s' % (mode, path))
except (NoSectionError, NoOptionError):
pass
else:
return mapping
