def fetch_element(element, conf, verbose):
url = "%s%s" % (conf['host'], element.url)
if bool_conf_value(conf.get('trailing_slash',"")):
url = "%s/" % url
if verbose:
print "-" * 70
print "Connecting to host: %s" % url
print "Using key: %s" % conf['key']
print "Using certificate: %s" % conf['cert']
print "-" * 70
server_response = utils.send_document(url, conf['key'], conf['cert'])
if server_response is False:
sys.stderr.write("Unable to fetch data from \"%s\".\n" %
url)
sys.stderr.write("See log for more information.\n")
else:
if verbose:
print "%s\nRecieved data:\n%s" % ("-" * 70, "-" * 70)
print server_response
data = xmlutils.element_from_string(server_response)
if data is False:
sys.stderr.write(("Got response from server at url \"%s\", "
"but unable to parse. \nError message: %s\n") %
(url, e))
else:
# Check for valid according to DTD:
utils.check_version(data.attrib.get("version"))
dtd_validation = xmlutils.dtd_validate(data)
if len(dtd_validation) == 0:
logging.debug(("Data returned from \"%s\" validated to "
"DTD.") % url)
found_elements = data.findall(
element.xml_tag_name
)
sub_elements = []
for found_element in found_elements:
sub_elements.append(MetaElement.from_xml_element(
found_element, element)
)
element.update_handler(sub_elements).process()
else:
logging.error(("XML recieved for \"%s\" did not "
"contain valid XML according to DTD.") %
element.xml_tag_name)
sys.stderr.write(("Received XML document from server "
"on url \"%s\", but did not validate "
"against DTD.\n") % url)
sys.stderr.write("Logging with \"debug\" will show "
"validation errors.\n")
dtd_errors = ""
for error in dtd_validation:
dtd_errors = "%s\n%s" % (dtd_errors, error)
logging.debug("XML DTD errors: %s" % dtd_errors)
sys.stderr.write(("Got response from server at url \"%s\", "
"but unable to parse. Error message: %s") %
(url, e))
else:
# Check for valid according to DTD:
utils.check_version(return_data.attrib.get("version"))
valid = dtd.validate(return_data)
if valid:
logging.debug(("Data returned from \"%s\" validated to "
"DTD.") % url)
found_elements = return_data.findall(
element.xml_tag_name
)
sub_elements = []
for found_element in found_elements:
sub_elements.append(MetaElement.from_xml_element(
found_element, element)
)
element.update_handler(sub_elements).process()
else:
logging.error(("XML recieved for \"%s\" did not "
"contain valid XML according to DTD.") %
element.xml_tag_name)
sys.stderr.write(("Received XML document from server "
"on url \"%s\", but did not validate "
"against DTD.\n") % url)
sys.stderr.write("Logging with \"debug\" will show "
"validation errors.")
dtd_errors = ""
for error in dtd.error_log.filter_from_errors():
dtd_errors = "%s\n%s" % (dtd_errors, error)
logging.debug("XML DTD errors: %s" % dtd_errors)
