python3 - 2to3 + miscell obvious tweaks
[sfa.git] / sfa / rspecs / versions / sfav1.py
index 39a5348..9b77837 100644 (file)
@@ -1,33 +1,35 @@
+
+
 from copy import deepcopy
 from lxml import etree
 
 from sfa.util.sfalogging import logger
 from sfa.util.xrn import hrn_to_urn, urn_to_hrn
-from sfa.util.plxrn import PlXrn
-from sfa.rspecs.baseversion import BaseVersion
+from sfa.rspecs.version import RSpecVersion
 from sfa.rspecs.elements.element import Element
 from sfa.rspecs.elements.versions.pgv2Link import PGv2Link
 from sfa.rspecs.elements.versions.sfav1Node import SFAv1Node
 from sfa.rspecs.elements.versions.sfav1Sliver import SFAv1Sliver
+from sfa.rspecs.elements.versions.sfav1Lease import SFAv1Lease
 
-class SFAv1(BaseVersion):
+
+class SFAv1(RSpecVersion):
     enabled = True
     type = 'SFA'
     content_type = '*'
     version = '1'
-    schema = None
-    namespace = None
+    schema = ''
+    namespace = ''
     extensions = {}
     namespaces = None
     template = '<RSpec type="%s"></RSpec>' % type
 
-    # Network 
+    # Network
     def get_networks(self):
         network_elems = self.xml.xpath('//network')
-        networks = [network_elem.get_instance(fields=['name', 'slice']) for \
+        networks = [network_elem.get_instance(fields=['name', 'slice']) for
                     network_elem in network_elems]
-        return networks    
-
+        return networks
 
     def add_network(self, network):
         network_tags = self.xml.xpath('//network[@name="%s"]' % network)
@@ -37,17 +39,16 @@ class SFAv1(BaseVersion):
             network_tag = network_tags[0]
         return network_tag
 
-
     # Nodes
-    
+
     def get_nodes(self, filter=None):
         return SFAv1Node.get_nodes(self.xml, filter)
 
     def get_nodes_with_slivers(self):
         return SFAv1Node.get_nodes_with_slivers(self.xml)
 
-    def add_nodes(self, nodes, network = None, no_dupes=False):
-        SFAv1Node.add_nodes(self.xml, nodes)
+    def add_nodes(self, nodes, network=None, no_dupes=False, rspec_content_type=None):
+        SFAv1Node.add_nodes(self.xml, nodes, rspec_content_type)
 
     def merge_node(self, source_node_tag, network, no_dupes=False):
         if no_dupes and self.get_node_element(node['hostname']):
@@ -58,69 +59,27 @@ class SFAv1(BaseVersion):
         network_tag.append(deepcopy(source_node_tag))
 
     # Slivers
-    
-    def attributes_list(self, elem):
-        # convert a list of attribute tags into list of tuples
-        # (tagname, text_value)
-        opts = []
-        if elem is not None:
-            for e in elem:
-                opts.append((e.tag, str(e.text).strip()))
-        return opts
-
-    def get_default_sliver_attributes(self, network=None):
-        if network:
-            defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
-        else:
-            defaults = self.xml.xpath("//sliver_defaults")
-        if not defaults: return []
-        return self.attributes_list_thierry(defaults)
 
-    def get_sliver_attributes(self, hostname, network=None):
-        nodes = self.get_nodes({'component_id': '*%s*' %hostname})
-        attribs = []
-        if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
-            node = nodes[0]
-            sliver = node.xpath('./default:sliver', namespaces=self.namespaces)
-            if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
-                sliver = sliver[0]
-                #attribs = self.attributes_list(sliver)
-        return attribs        
-
-    def get_slice_attributes(self, network=None):
-        slice_attributes = []
-        nodes_with_slivers = self.get_nodes_with_slivers()
-        for default_attribute in self.get_default_sliver_attributes(network):
-            attribute = {'name': str(default_attribute[0]), 
-                         'value': str(default_attribute[1]), 
-                         'node_id': None}
-            slice_attributes.append(attribute)
-        for node in nodes_with_slivers:
-            nodename=node.get('component_name')
-            sliver_attributes = self.get_sliver_attributes(nodename, network)
-            for sliver_attribute in sliver_attributes:
-                attribute = {'name': str(sliver_attribute[0]), 'value': str(sliver_attribute[1]), 'node_id': node}
-                slice_attributes.append(attribute)
-        return slice_attributes
-
-    def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
+    def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
+        if attributes is None:
+            attributes = []
         # add slice name to network tag
         network_tags = self.xml.xpath('//network')
         if network_tags:
             network_tag = network_tags[0]
             network_tag.set('slice', urn_to_hrn(sliver_urn)[0])
-        
+
         # add slivers
-        sliver = {'name':sliver_urn,
+        sliver = {'name': sliver_urn,
                   'pl_tags': attributes}
         for hostname in hostnames:
             if sliver_urn:
                 sliver['name'] = sliver_urn
             node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
-            if not node_elems: 
+            if not node_elems:
                 continue
             node_elem = node_elems[0]
-            SFAv1Sliver.add_slivers(node_elem.element, sliver)   
+            SFAv1Sliver.add_slivers(node_elem.element, sliver)
 
         # remove all nodes without slivers
         if not append:
@@ -129,40 +88,91 @@ class SFAv1(BaseVersion):
                     parent = node_elem.element.getparent()
                     parent.remove(node_elem.element)
 
-
     def remove_slivers(self, slivers, network=None, no_dupes=False):
         SFAv1Node.remove_slivers(self.xml, slivers)
 
+    def get_slice_attributes(self, network=None):
+        attributes = []
+        nodes_with_slivers = self.get_nodes_with_slivers()
+        for default_attribute in self.get_default_sliver_attributes(network):
+            attribute = default_attribute.copy()
+            attribute['node_id'] = None
+            attributes.append(attribute)
+        for node in nodes_with_slivers:
+            nodename = node['component_name']
+            sliver_attributes = self.get_sliver_attributes(nodename, network)
+            for sliver_attribute in sliver_attributes:
+                sliver_attribute['node_id'] = nodename
+                attributes.append(sliver_attribute)
+        return attributes
+
+    def add_sliver_attribute(self, component_id, name, value, network=None):
+        nodes = self.get_nodes({'component_id': '*%s*' % component_id})
+        if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
+            node = nodes[0]
+            slivers = SFAv1Sliver.get_slivers(node)
+            if slivers:
+                sliver = slivers[0]
+                SFAv1Sliver.add_sliver_attribute(sliver, name, value)
+        else:
+            # should this be an assert / raise an exception?
+            logger.error("WARNING: failed to find component_id %s" %
+                         component_id)
+
+    def get_sliver_attributes(self, component_id, network=None):
+        nodes = self.get_nodes({'component_id': '*%s*' % component_id})
+        attribs = []
+        if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
+            node = nodes[0]
+            slivers = SFAv1Sliver.get_slivers(node.element)
+            if slivers is not None and isinstance(slivers, list) and len(slivers) > 0:
+                sliver = slivers[0]
+                attribs = SFAv1Sliver.get_sliver_attributes(sliver.element)
+        return attribs
+
+    def remove_sliver_attribute(self, component_id, name, value, network=None):
+        attribs = self.get_sliver_attributes(component_id)
+        for attrib in attribs:
+            if attrib['name'] == name and attrib['value'] == value:
+                # attrib.element.delete()
+                parent = attrib.element.getparent()
+                parent.remove(attrib.element)
+
     def add_default_sliver_attribute(self, name, value, network=None):
         if network:
-            defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
+            defaults = self.xml.xpath(
+                "//network[@name='%s']/sliver_defaults" % network)
         else:
-            defaults = self.xml.xpath("//sliver_defaults" % network)
-        if not defaults :
-            network_tag = self.xml.xpath("//network[@name='%s']" % network)
+            defaults = self.xml.xpath("//sliver_defaults")
+        if not defaults:
+            if network:
+                network_tag = self.xml.xpath("//network[@name='%s']" % network)
+            else:
+                network_tag = self.xml.xpath("//network")
             if isinstance(network_tag, list):
                 network_tag = network_tag[0]
-            defaults = self.xml.add_element('sliver_defaults', attrs={}, parent=network_tag)
+            defaults = network_tag.add_element('sliver_defaults')
         elif isinstance(defaults, list):
             defaults = defaults[0]
-        self.xml.add_attribute(defaults, name, value)
+        SFAv1Sliver.add_sliver_attribute(defaults, name, value)
 
-    def add_sliver_attribute(self, hostname, name, value, network=None):
-        node = self.get_node_element(hostname, network)
-        sliver = node.find("sliver")
-        self.xml.add_attribute(sliver, name, value)
-
-    def remove_default_sliver_attribute(self, name, value, network=None):
+    def get_default_sliver_attributes(self, network=None):
         if network:
-            defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
+            defaults = self.xml.xpath(
+                "//network[@name='%s']/sliver_defaults" % network)
         else:
-            defaults = self.xml.xpath("//sliver_defaults" % network)
-        self.xml.remove_attribute(defaults, name, value)
+            defaults = self.xml.xpath("//sliver_defaults")
+        if not defaults:
+            return []
+        return SFAv1Sliver.get_sliver_attributes(defaults[0])
 
-    def remove_sliver_attribute(self, hostname, name, value, network=None):
-        node = self.get_node_element(hostname, network)
-        sliver = node.find("sliver")
-        self.xml.remove_attribute(sliver, name, value)
+    def remove_default_sliver_attribute(self, name, value, network=None):
+        attribs = self.get_default_sliver_attributes(network)
+        for attrib in attribs:
+            if attrib['name'] == name and attrib['value'] == value:
+                # attrib.element.delete()
+                parent = attrib.element.getparent()
+                parent.remove(attrib.element)
 
     # Links
 
@@ -170,12 +180,12 @@ class SFAv1(BaseVersion):
         return PGv2Link.get_links(self.xml)
 
     def get_link_requests(self):
-        return PGv2Link.get_link_requests(self.xml) 
+        return PGv2Link.get_link_requests(self.xml)
 
     def add_links(self, links):
         networks = self.get_networks()
         if len(networks) > 0:
-            xml = networks[0]
+            xml = networks[0].element
         else:
             xml = self.xml
         PGv2Link.add_links(xml, links)
@@ -190,6 +200,9 @@ class SFAv1(BaseVersion):
         Merge contents for specified rspec with current rspec
         """
 
+        if not in_rspec:
+            return
+
         from sfa.rspecs.rspec import RSpec
         if isinstance(in_rspec, RSpec):
             rspec = in_rspec
@@ -209,9 +222,25 @@ class SFAv1(BaseVersion):
                 self.xml.append(network.element)
                 current_networks.append(current_network)
 
+    # Leases
+
+    def get_leases(self, filter=None):
+        return SFAv1Lease.get_leases(self.xml, filter)
+
+    def add_leases(self, leases, network=None, no_dupes=False):
+        SFAv1Lease.add_leases(self.xml, leases)
+
+    # Spectrum
+
+    def get_channels(self, filter=None):
+        return []
+
+    def add_channels(self, channels, network=None, no_dupes=False):
+        pass
+
 if __name__ == '__main__':
     from sfa.rspecs.rspec import RSpec
     from sfa.rspecs.rspec_elements import *
     r = RSpec('/tmp/resources.rspec')
     r.load_rspec_elements(SFAv1.elements)
-    print r.get(RSpecElements.NODE)
+    print(r.get(RSpecElements.NODE))