--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/planemo/lib/python3.7/site-packages/rdflib/serializer.py	Fri Jul 31 00:32:28 2020 -0400
@@ -0,0 +1,32 @@
+"""
+Serializer plugin interface.
+
+This module is useful for those wanting to write a serializer that can
+plugin to rdflib. If you are wanting to invoke a serializer you likely
+want to do so through the Graph class serialize method.
+
+TODO: info for how to write a serializer that can plugin to rdflib.
+See also rdflib.plugin
+
+"""
+
+from rdflib.term import URIRef
+
+__all__ = ['Serializer']
+
+
+class Serializer(object):
+
+    def __init__(self, store):
+        self.store = store
+        self.encoding = "UTF-8"
+        self.base = None
+
+    def serialize(self, stream, base=None, encoding=None, **args):
+        """Abstract method"""
+
+    def relativize(self, uri):
+        base = self.base
+        if base is not None and uri.startswith(base):
+            uri = URIRef(uri.replace(base, "", 1))
+        return uri