Allow only specifying guideline condition or action when updating gui…

…deline from CLI

CHANGELOG.md

@@ -14,6 +14,7 @@ All notable changes to Parlant will be documented here.
 - Fix wrong import of RateLimitError
 - Reduced likelihood of agent offering hallucinated services
 - Add a log command under client CLI for streaming logs
+- Allow only specifying guideline condition or action when updating guideline from CLI
 
 
 ## [1.5.1] - 2025-01-05

src/parlant/bin/client.py

@@ -366,10 +366,18 @@ def update_guideline(
         action: str,
         check: bool,
         index: bool,
-        updated_id: Optional[str] = None,
+        updated_id: str,
     ) -> GuidelineWithConnectionsAndToolAssociations:
         client = cast(ParlantClient, ctx.obj.client)
 
+        if not (condition and action):
+            retrived_guideline = client.guidelines.retrieve(
+                agent_id=agent_id, guideline_id=updated_id
+            )
+
+            condition = condition or retrived_guideline.guideline.condition
+            action = action or retrived_guideline.guideline.action
+
         evaluation = client.evaluations.create(
             agent_id=agent_id,
             payloads=[
@@ -2429,13 +2437,13 @@ def guideline_create(
         "--condition",
         type=str,
         help="A statement describing when the guideline should apply",
-        required=True,
+        required=False,
     )
     @click.option(
         "--action",
         type=str,
         help="The instruction to perform when the guideline applies",
-        required=True,
+        required=False,
     )
     @click.option(
         "--agent-id",
@@ -2468,6 +2476,8 @@ def guideline_update(
         check: bool,
         connect: bool,
     ) -> None:
+        assert condition or action
+
         agent_id = agent_id if agent_id else Interface.get_default_agent(ctx)
         assert agent_id