Block to fix UD validation of CorefUD 0.2

- this block must be run to fix the trees in CorefUD so they pass the current UD validator - so far it fixes the following issues: - the node with 0 parent must have DEPREL=root - there must be a space before newdoc or newpar

Author: michnov

udapi/block/corefud/fixtovalidate.py

@@ -0,0 +1,24 @@
+from udapi.core.block import Block
+
+class FixToValidate(Block):
+ """This block fixes the CorefUD data so that the final documents are valid conllu files."""
+
+ def _set_root_deprel(self, node):
+ if node.parent == node.root and node.deprel != "root":
+ node.deprel = "root"
+ print(node)
+
+ def _space_before_pardoc(self, doc):
+ last_node = None
+ for i, tree in enumerate(doc.trees):
+ if i > 0:
+ if (tree.newdoc is not None or tree.newpar is not None) and last_node.no_space_after:
+ del last_node.misc["SpaceAfter"]
+ print(tree)
+ last_node = tree.descendants[-1]
+
+ def process_node(self, node):
+ self._set_root_deprel(node)
+
+ def process_document(self, doc):
+ self._space_before_pardoc(doc)