00001
00002
00003 import reference
00004
00005 class Catalog(reference.Referable):
00006 "A <catalog>"
00007 def __init__(self,name,logvols=[],refs=[],things=[]):
00008 reference.Referable.__init__(self,name)
00009 self.logvols=logvols
00010 self.refs=refs
00011 self.things=things
00012 self.full_path="/dd/"+name
00013 self.update()
00014 return
00015
00016 def update(self):
00017 for ref in self.refs:
00018 ref.set_path(self.full_path)
00019 for lv in self.logvols:
00020 lv.set_path(self.full_path)
00021
00022
00023 def xml(self,fo,pre):
00024 "Output self as XML to file object fo, prefacing each line with pre"
00025 fo.write('%s<catalog name="%s">\n'%(pre,self.name))
00026 self.update()
00027 for ref in self.refs:
00028 ref.xml(fo,pre+' ')
00029 for lv in self.logvols:
00030 lv.xml(fo,pre+' ')
00031 for thing in self.things:
00032 thing.xml(fo,pre+' ')
00033 fo.write('%s</catalog>\n'%pre)
00034 return
00035
00036
00037 if '__main__' == __name__:
00038 a = Catalog("CatalogA")
00039 b = Catalog("CatalogB")
00040 a.refs = [reference.Reference("#%s"%b.name,b)]
00041 import sys
00042 sys.stderr.write('a.full_path="%s" b.full_path="%s"\n'%(a.full_path,b.full_path))
00043 a.xml(sys.stdout,'')
00044 sys.stderr.write('a.full_path="%s" b.full_path="%s"\n'%(a.full_path,b.full_path))
00045 b.xml(sys.stdout,'')
00046 sys.stderr.write('a.full_path="%s" b.full_path="%s"\n'%(a.full_path,b.full_path))
00047
00048 aa = Catalog("CatalogA")
00049 print aa.refs
00050 print aa.logvols
00051 print aa.things
00052
