PLC/Legacy/NodeNetworks.py

   1 # Thierry Parmentelat - INRIA
   2 # $Id$
   3
   4 from PLC.Method import Method
   5 import v42legacy
   6 import sys
   7 current_module=sys.modules[__name__]
   8
   9 methods = [
  10     "AddNodeNetwork",
  11     "AddNodeNetworkSetting",
  12     "DeleteNodeNetwork",
  13     "DeleteNodeNetworkSetting",
  14     "GetNodeNetworkSettings",
  15     "GetNodeNetworks",
  16     "UpdateNodeNetwork",
  17     "UpdateNodeNetworkSetting",
  18 ]
  19
  20 # argument mapping
  21 v42_to_v43_argmap = {
  22     "nodenetwork_id":"interface_id",
  23     "nodenetwork_ids":"interface_ids",
  24     "nodenetworksetting_ids":"interface_tag_ids",
  25     }
  26 v43_to_v42_argmap = dict([ (v,k) for k,v in v42_to_v43_argmap.iteritems()])
  27 def v42rename (x): return v42_to_v43_argmap.get(x,x)
  28 def v43rename (x): return v43_to_v42_argmap.get(x,x)
  29
  30 # attach methods here
  31 for legacyname in methods:
  32     # new method name
  33     newname=legacyname.replace("NodeNetwork","Interface").replace("Setting","Tag")
  34     path = "PLC.Methods."
  35     setattr(current_module,legacyname,v42legacy.make_class(legacyname,newname,path,v42rename,v43rename))
  36
  37 # GetNodes update
  38 # first replace the call method so we can translate fields
  39 c = getattr(v42legacy.import_deep("PLC.Methods.GetNodes"),"GetNodes")
  40 # rename call to newcall so we can still invoke
  41 original = getattr(c,"call")
  42 setattr(c,"newcall",original)
  43
  44 # 4.2 legacy support; update node_fields to include nodenetwork_ids
  45 from PLC.Parameter import Parameter, Mixed, python_type
  46 from PLC.Filter import Filter
  47 from PLC.Nodes import Node, Nodes
  48
  49 node_fields = {}
  50 node_fields['nodenetwork_ids']=Parameter([int], "Legacy version of interface_ids")
  51 for k,v in Node.fields.iteritems():
  52     node_fields[k]=v
  53
  54 if False:
  55     expected = node_fields['nodenetwork_ids']
  56     print "type of nodenetwork_ids = %s" % python_type(node_fields['nodenetwork_ids'])
  57     print Filter(node_fields).fields.keys()
  58     print Filter(Node.fields).fields.keys()
  59
  60 accepts = getattr(c,"accepts")
  61 arg0=accepts[0]
  62 arg1=Mixed([Mixed(Node.fields['node_id'],
  63                   Node.fields['hostname'])],
  64            Parameter(str,"hostname"),
  65            Parameter(int,"node_id"),
  66            Filter(node_fields))
  67 arg2=accepts[2]
  68 newaccepts = [arg0,arg1,arg2]
  69 setattr(c,"accepts",newaccepts)
  70 newreturns = [node_fields]
  71 setattr(c,"returns",newreturns)
  72
  73 def GetNodesCall(self, auth, node_filter = None, return_fields = None):
  74     global original
  75     # convert nodenetwork_ids -> interface_ids
  76     if node_filter <> None and \
  77            node_filter.has_key('nodenetwork_ids') and \
  78            not node_filter.has_key('interface_ids'):
  79         node_filter['interface_ids']=node_filter['nodenetwork_ids']
  80
  81     nodes = original(self,auth,node_filter,return_fields)
  82
  83     # add in a interface_ids -> nodenetwork_ids
  84     for node in nodes:
  85         if node.has_key('interface_ids'):
  86             node['nodenetwork_ids']=node['interface_ids']
  87
  88     return nodes
  89
  90 setattr(c,"call",GetNodesCall)