Add classes to __init__

Author: mpsonntag

odml/tools/__init__.py

@@ -0,0 +1,4 @@
+from .dict_parser import DictReader, DictWriter
+from .odmlparser import ODMLReader, ODMLWriter
+from .rdf_converter import RDFReader, RDFWriter
+from .xmlparser import XMLReader, XMLWriter

odml/tools/converters/__init__.py

@@ -0,0 +1,2 @@
+from .format_converter import FormatConverter
+from .version_converter import VersionConverter

odml/tools/rdf_converter.py

@@ -13,7 +13,8 @@
 
 import yaml
 
-from ..doc import BaseDocument
+import odml
+
 from ..format import Format, Document, Section, Property
 from ..info import FORMAT_VERSION, INSTALL_PATH
 from .dict_parser import DictReader
@@ -87,8 +88,7 @@ def convert_to_rdf(self):
         self.hub_root = URIRef(ODML_NS.Hub)
         if self.docs:
             for doc in self.docs:
-                if isinstance(doc, BaseDocument):
-                    # make sure links and includes are resolved before conversion
+                if isinstance(doc, odml.doc.BaseDocument):
                     doc.finalize()
                     self.save_document(doc)