René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Re-attaching a node both in the basic tree and in the enhanced graph","articleBody":"I have repeatedly encountered the following situation: A small change is needed for a batch of nodes, such as changing the DEPREL (or both the HEAD and the DEPREL) for a node that satisfies a condition. Typically I do it directly from the commandline, using `udapy -s util.Eval node='if CONDITION: node.parent = X; node.deprel = Y'`. Now if the treebank contains enhanced dependencies, the same change should (typically) be also made in the enhanced graph. I usually forget to do it properly but when I want to do it, it is not as simple as the change in the basic tree. I wrote the code below in some of my blocks where I had to do it but I don't like having to repeat the code in several blocks again and again, and can hardly use it in util.Eval from commandline:\r\n\r\n```python\r\n    def reattach(self, node, parent, deprel):\r\n        \"\"\"\r\n        Changes the incoming dependency relation to a node. Makes sure that the\r\n        same change is done in the basic tree and in the enhanced graph.\r\n        \"\"\"\r\n        if node.deps:\r\n            # If the enhanced graph contains the current basic relation, remove it.\r\n            # Note that the enhanced deprel may contain subtypes that are not in the basic deprel.\r\n            orig_n_deps = len(node.deps)\r\n            node.deps = [x for x in node.deps if x['parent'] != node.parent or re.sub(r':.*', '', x['deprel']) != node.udeprel]\r\n            # Add the new basic relation to the enhanced graph only if the original one was there.\r\n            if len(node.deps) \u003c orig_n_deps:\r\n                node.deps.append({'parent': parent, 'deprel': deprel})\r\n        node.parent = parent\r\n        node.deprel = deprel\r\n```\r\n\r\nWould it make sense to have something similar in the core code, as a method of Node?","author":{"url":"https://github.com/dan-zeman","@type":"Person","name":"dan-zeman"},"datePublished":"2023-02-13T18:06:00.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/112/udapi-python/issues/112"}