a little nicer wrt pep8
[sfa.git] / sfa / methods / Remove.py
index 6282877..413d140 100644 (file)
@@ -1,58 +1,47 @@
-### $Id: remove.py 16497 2010-01-07 03:33:24Z tmack $
-### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/remove.py $
-
-from sfa.util.faults import *
-from sfa.util.namespace import *
+from sfa.util.xrn import Xrn
 from sfa.util.method import Method
-from sfa.util.parameter import Parameter, Mixed
-from sfa.util.debug import log
+from sfa.util.sfalogging import logger
+
 from sfa.trust.credential import Credential
 
-class remove(Method):
+from sfa.storage.parameter import Parameter, Mixed
+
+
+class Remove(Method):
     """
     Remove an object from the registry. If the object represents a PLC object,
     then the PLC records will also be removed.
-    
+
     @param cred credential string
     @param type record type
     @param xrn human readable name of record to remove (hrn or urn)
 
-    @return 1 if successful, faults otherwise 
+    @return 1 if successful, faults otherwise
     """
 
     interfaces = ['registry']
-    
+
     accepts = [
-        Parameter(str, "Credential string"),
-        Parameter(str, "Record type"),
         Parameter(str, "Human readable name of slice to instantiate (hrn or urn)"),
-        Mixed(Parameter(str, "Human readable name of the original caller"),
-              Parameter(None, "Origin hrn not specified"))
-        ]
+        Mixed(Parameter(str, "Credential string"),
+              Parameter(type([str]), "List of credentials")),
+        Mixed(Parameter(str, "Record type"),
+              Parameter(None, "Type not specified")),
+    ]
 
     returns = Parameter(int, "1 if successful")
-    
-    def call(self, cred, type, xrn, origin_hrn=None):
-        user_cred = Credential(string=cred)
-       
-        # convert xrn to hrn     
-        if type: 
-            hrn = urn_to_hrn(xrn)[0]
-        else: 
-            hrn, type = urn_to_hrn(xrn)
-            
-        #log the call
-        if not origin_hrn:
-            origin_hrn = user_cred.get_gid_caller().get_hrn()
-        self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name))
+
+    def call(self, xrn, creds, type):
+        xrn = Xrn(xrn, type=type)
 
         # validate the cred
-        self.api.auth.check(cred, "remove")
-        self.api.auth.verify_object_permission(hrn)
-       
-        # send the call to the right manager
-        manager_base = 'sfa.managers'
-        mgr_type = self.api.config.SFA_REGISTRY_TYPE
-        manager_module = manager_base + ".registry_manager_%s" % mgr_type
-        manager = __import__(manager_module, fromlist=[manager_base])
-        return manager.remove(self.api, xrn, type, origin_hrn) 
+        valid_creds = self.api.auth.checkCredentials(creds, "remove")
+        self.api.auth.verify_object_permission(xrn.get_hrn())
+
+        # log the call
+        origin_hrn = Credential(
+            string=valid_creds[0]).get_gid_caller().get_hrn()
+        logger.info("interface: %s\tmethod-name: %s\tcaller-hrn: %s\ttarget-urn: %s" % (
+                    self.api.interface, self.name, origin_hrn, xrn.get_urn()))
+
+        return self.api.manager.Remove(self.api, xrn)