from sfa.util.xrn import *
from sfa.util.plxrn import hostname_to_urn
from sfa.util.config import Config
-from sfa.util.faults import SfaNotImplemented
+from sfa.util.faults import SfaNotImplemented, InvalidRSpec
class RSpec:
xml = None
generated=generated_ts)
def parse_rspec(self, rspec, namespaces={}):
+ parser = etree.XMLParser(remove_blank_text=True)
try:
- tree = etree.parse(rspec)
- self.xml = tree.getroot()
- if namespaces:
- self.namespaces = namespaces
+ tree = etree.parse(rspec, parser)
except IOError:
# 'rspec' file doesnt exist. 'rspec' is proably an xml string
try:
- tree = etree.parse(StringIO(rspec))
- self.xml = tree.getroot()
+ tree = etree.parse(StringIO(rspec), parser)
except:
- raise IOError('Must specify a xml file or xml string. Received: ' + rspec )
+ raise InvalidRSpec('Must specify a xml file or xml string. Received: ' + rspec )
+
+ self.xml = tree.getroot()
+ if namespaces:
+ self.namespaces = namespaces
def get_network(self):
raise SfaNotImplemented()
def add_links(self, links, check_for_dupes=False):
raise SfaNotImplemented()
+ def add_attribute(self, elem, name, value):
+ opt = etree.SubElement(elem, name)
+ opt.text = value
+
+ def remove_attribute(self, elem, name, value):
+ if elem is not None:
+ opts = elem.iterfind(name)
+ if opts is not None:
+ for opt in opts:
+ if opt.text == value:
+ elem.remove(opt)
+
def __str__(self):
return self.toxml()
def toxml(self):
return self.header + etree.tostring(self.xml, pretty_print=True)
-
+ def save(self, filename):
+ f = open(filename, 'w')
+ f.write(self.toxml())
+ f.close()
+
if __name__ == '__main__':
rspec = RSpec()
print rspec