#----------------------------------------------------------------------
import re
-
-from sfa.util.faults import *
+import sys
+from sfa.util.faults import SfaAPIError
# for convenience and smoother translation - we should get rid of these functions eventually
def get_leaf(hrn): return Xrn(hrn).get_leaf()
def hrn_authfor_hrn(parenthrn, hrn): return Xrn.hrn_is_auth_for_hrn(parenthrn, hrn)
def urn_to_sliver_id(urn, slice_id, node_id, index=0):
- return ":".join(map(str, [urn, slice_id, node_id, index]))
+ return Xrn(urn).get_sliver_id(slice_id, node_id, index)
class Xrn:
@staticmethod
def urn_full (urn):
if urn.startswith(Xrn.URN_PREFIX): return urn
- else: return Xrn.URN_PREFIX+URN
+ else: return Xrn.URN_PREFIX+urn
@staticmethod
def urn_meaningful (urn):
if urn.startswith(Xrn.URN_PREFIX): return urn[len(Xrn.URN_PREFIX):]
# provide either urn, or (hrn + type)
def __init__ (self, xrn, type=None):
if not xrn: xrn = ""
+
# user has specified xrn : guess if urn or hrn
if xrn.startswith(Xrn.URN_PREFIX):
self.hrn=None
self.urn=xrn
self.urn_to_hrn()
+ #print>>sys.stderr, " \r\n \r\n \t XRN.PY init xrn.startswith(Xrn.URN_PREFIX) hrn %s urn %s type %s" %( self.hrn, self.urn, self.type)
else:
self.urn=None
self.hrn=xrn
self.type=type
self.hrn_to_urn()
+ #print>>sys.stderr, " \r\n \r\n \t XRN.PY init ELSE hrn %s urn %s type %s" %( self.hrn, self.urn, self.type)
# happens all the time ..
# if not type:
# debug_logger.debug("type-less Xrn's are not safe")
+ def __repr__ (self):
+ result="<XRN u=%s h=%s"%(self.urn,self.hrn)
+ if hasattr(self,'leaf'): result += " leaf=%s"%self.leaf
+ if hasattr(self,'authority'): result += " auth=%s"%self.authority
+ result += ">"
+ return result
+
def get_urn(self): return self.urn
def get_hrn(self): return self.hrn
def get_type(self): return self.type
def get_hrn_type(self): return (self.hrn, self.type)
def _normalize(self):
+ #print>>sys.stderr, " \r\n \r\n \t XRN.PY _normalize self.hrn %s ",self.hrn
if self.hrn is None: raise SfaAPIError, "Xrn._normalize"
if not hasattr(self,'leaf'):
self.leaf=Xrn.hrn_split(self.hrn)[-1]
# self.authority keeps a list
if not hasattr(self,'authority'):
self.authority=Xrn.hrn_auth_list(self.hrn)
-
+ #print>>sys.stderr, " \r\n \r\n \t XRN.PY _normalize self.hrn %s leaf %s authority %s"%(self.hrn, self.leaf, self.authority)
+
+
def get_leaf(self):
self._normalize()
return self.leaf
- def get_authority_hrn(self):
+ def get_authority_hrn(self):
self._normalize()
return '.'.join( self.authority )
def get_authority_urn(self):
self._normalize()
return ':'.join( [Xrn.unescape(x) for x in self.authority] )
-
+
+ def get_sliver_id(self, slice_id, node_id, index=0):
+ self._normalize()
+ return ":".join(map(str, [self.get_urn(), slice_id, node_id, index]))
+
def urn_to_hrn(self):
"""
compute tuple (hrn, type) from urn
# or completely change how record types are generated/stored
if name != 'sa':
type = type + "+" + name
-
+ name =""
+ else:
+ name = parts.pop(len(parts)-1)
# convert parts (list) into hrn (str) by doing the following
# 1. remove blank parts
# 2. escape dots inside parts
# 3. replace ':' with '.' inside parts
- # 3. join parts using '.'
- hrn = '.'.join([Xrn.escape(part).replace(':','.') for part in parts if part])
+ # 3. join parts using '.'
+ hrn = '.'.join([Xrn.escape(part).replace(':','.') for part in parts if part])
+ # dont replace ':' in the name section
+ if name:
+ hrn += '.%s' % Xrn.escape(name)
self.hrn=str(hrn)
self.type=str(type)