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""" A resource protocol for HTTP documents. """
# Enthought library imports.
from enthought.traits.api import HasTraits, implements
# Local imports.
from i_resource_protocol import IResourceProtocol
from no_such_resource_error import NoSuchResourceError
class HTTPResourceProtocol(HasTraits):
""" A resource protocol for HTTP documents. """
implements(IResourceProtocol)
###########################################################################
# 'IResourceProtocol' interface.
###########################################################################
def file(self, address):
""" Return a readable file-like object for the specified address. """
# Do the import here 'cos I'm not sure how much this will actually
# be used.
import urllib2
try:
f = urllib2.urlopen('http://' + address)
except urllib2.HTTPError:
raise NoSuchResourceError('http:://' + address)
return f
#### EOF ######################################################################
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