Added tg-invoke-prompt utility to test / diagnose / interact with the (#129) prompt service

trustgraph-cli/scripts/tg-invoke-prompt

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+
+"""
+Uses the GraphRAG service to answer a query
+"""
+
+import argparse
+import os
+import json
+from trustgraph.clients.prompt_client import PromptClient
+
+default_pulsar_host = os.getenv("PULSAR_HOST", 'pulsar://localhost:6650')
+
+def query(pulsar_host, id, terms):
+
+    cli = PromptClient(pulsar_host=pulsar_host)
+
+    resp = cli.request(id=id, terms=terms)
+
+    if isinstance(resp, str):
+        print(resp)
+    else:
+        print(json.dumps(resp, indent=4))
+
+def main():
+
+    parser = argparse.ArgumentParser(
+        prog='tg-graph-query-rag',
+        description=__doc__,
+    )
+
+    parser.add_argument(
+        '-p', '--pulsar-host',
+        default=default_pulsar_host,
+        help=f'Pulsar host (default: {default_pulsar_host})',
+    )
+
+    parser.add_argument(
+        'id',
+        nargs=1,
+        help=f'Prompt identifier',
+    )
+
+    parser.add_argument(
+        'term',
+        nargs='*',
+        help=f'Prompt terms',
+    )
+
+    args = parser.parse_args()
+
+    terms = {}
+
+    for term in args.term:
+
+        toks = term.split("=", 1)
+        if len(toks) != 2:
+            raise RuntimeError(f"Malformed term: {term}")
+
+        terms[toks[0]] = toks[1]
+
+    try:
+
+        query(
+            pulsar_host=args.pulsar_host,
+            id=args.id[0],
+            terms=terms,
+        )
+
+    except Exception as e:
+
+        print("Exception:", e, flush=True)
+
+main()
+