old_contents: import odml
  """
  A module providing general format information
  and mappings of xml-attributes to their python class equivalents
  """
  
  
  class Format(object):
      _map = {}
      _rev_map = None
  
      def map(self, name):
          """maps an odml name to a python name"""
          return self._map.get(name, name)
  
      def revmap(self, name):
          """maps a python name to an odml name"""
          if self._rev_map is None:
              # create the reverse map only if requested
              self._rev_map = {}
              for k, v in self._map.iteritems():
                  self._rev_map[v] = k
          return self._rev_map.get(name, name)
  
      def __iter__(self):
          """iterates each python property name"""
          for k in self._args:
              yield self.map(k)
  
      def create(self, *args, **kargs):
          return getattr(odml, self.__class__.__name__)(*args, **kargs)
  
  
  class Property(Format):
      _name = "property"
      _args = {
          'name': 1,
          # 'value': 0,
          'unit': 0,
          'definition': 0,
          'dependency': 0,
          'dependencyvalue': 0,
          'uncertainty': 0,
          'value_reference': 0,
          }
      _map = {
          'dependencyvalue': 'dependency_value',
          'type': 'dtype'
          }
  
  
  class Section(Format):
      _name = "section"
      _args = {
          'type': 1,
          'name': 0,
          'definition': 0,
          'reference': 0,
          'link': 0,
          'repository': 0,
          'section': 0,
          'include': 0,
          'property': 0
          }
      _map = {
          'section': 'sections',
          'property': 'properties',
          }
  
  
  class Document(Format):
      _name = "odML"
      _args = {
          'version': 0,
          'author': 0,
          'date': 0,
          'section': 0,
          'repository': 0,
          }
      _map = {
          'section': 'sections'
          }
  
  Document = Document()
  Section = Section()
  Property = Property()
  
  __all__ = [Document, Section, Property]
  
new_contents: import odml
  """
  A module providing general format information
  and mappings of xml-attributes to their python class equivalents
  """
  
  
  class Format(object):
      _map = {}
      _rev_map = None
  
      def map(self, name):
          """maps an odml name to a python name"""
          return self._map.get(name, name)
  
      def revmap(self, name):
          """maps a python name to an odml name"""
          if self._rev_map is None:
              # create the reverse map only if requested
              self._rev_map = {}
              for k, v in self._map.iteritems():
                  self._rev_map[v] = k
          return self._rev_map.get(name, name)
  
      def __iter__(self):
          """iterates each python property name"""
          for k in self._args:
              yield self.map(k)
  
      def create(self, *args, **kargs):
          return getattr(odml, self.__class__.__name__)(*args, **kargs)
  
  
  class Property(Format):
      _name = "property"
      _args = {
          'name': 1,
          'value': 0,
          'unit': 0,
          'definition': 0,
          'dependency': 0,
          'dependencyvalue': 0,
          'uncertainty': 0,
          'value_reference': 0,
          'type': 0,
          }
      _map = {
          'dependencyvalue': 'dependency_value',
          'type': 'dtype'
          }
  
  
  class Section(Format):
      _name = "section"
      _args = {
          'type': 1,
          'name': 0,
          'definition': 0,
          'reference': 0,
          'link': 0,
          'repository': 0,
          'section': 0,
          'include': 0,
          'property': 0
          }
      _map = {
          'section': 'sections',
          'property': 'properties',
          }
  
  
  class Document(Format):
      _name = "odML"
      _args = {
          'version': 0,
          'author': 0,
          'date': 0,
          'section': 0,
          'repository': 0,
          }
      _map = {
          'section': 'sections'
          }
  
  Document = Document()
  Section = Section()
  Property = Property()
  
  __all__ = [Document, Section, Property]
  
subject: add value (optional) and dtype to Property format