move straggler files and fix some important existing bugs

2025-10-04 04:04:14 +00:00 · 2024-08-05 09:24:45 -07:00 · 2024-08-05 09:24:45 -07:00 · 7890921e5c
commit 7890921e5c
parent 5e972ece13
5 changed files with 303 additions and 11 deletions
--- a/llama_toolchain/agentic_system/event_logger.py
+++ b/llama_toolchain/agentic_system/event_logger.py
@ -0,0 +1,166 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+from typing import Optional
+
+from llama_models.llama3_1.api.datatypes import ToolResponseMessage
+from llama_models.llama3_1.api.tool_utils import ToolUtils
+
+from llama_toolchain.agentic_system.api import (
+    AgenticSystemTurnResponseEventType,
+    StepType,
+)
+
+from termcolor import cprint
+
+
+class LogEvent:
+    def __init__(
+        self,
+        role: Optional[str] = None,
+        content: str = "",
+        end: str = "\n",
+        color="white",
+    ):
+        self.role = role
+        self.content = content
+        self.color = color
+        self.end = "\n" if end is None else end
+
+    def __str__(self):
+        if self.role is not None:
+            return f"{self.role}> {self.content}"
+        else:
+            return f"{self.content}"
+
+    def print(self, flush=True):
+        cprint(f"{str(self)}", color=self.color, end=self.end, flush=flush)
+
+
+EventType = AgenticSystemTurnResponseEventType
+
+
+class EventLogger:
+    async def log(self, event_generator, stream=True):
+        previous_event_type = None
+        previous_step_type = None
+
+        async for chunk in event_generator:
+            if not hasattr(chunk, "event"):
+                # Need to check for custom tool first
+                # since it does not produce event but instead
+                # a Message
+                if isinstance(chunk, ToolResponseMessage):
+                    yield chunk, LogEvent(
+                        role="CustomTool", content=chunk.content, color="grey"
+                    )
+                continue
+
+            event = chunk.event
+            event_type = event.payload.event_type
+            if event_type in {
+                EventType.turn_start.value,
+                EventType.turn_complete.value,
+            }:
+                # Currently not logging any turn realted info
+                yield event, None
+                continue
+
+            step_type = event.payload.step_type
+            # handle safety
+            if (
+                step_type == StepType.shield_call
+                and event_type == EventType.step_complete.value
+            ):
+                response = event.payload.step_details.response
+                if not response.is_violation:
+                    yield event, LogEvent(
+                        role=step_type, content="No Violation", color="magenta"
+                    )
+                else:
+                    yield event, LogEvent(
+                        role=step_type,
+                        content=f"{response.violation_type} {response.violation_return_message}",
+                        color="red",
+                    )
+
+            # handle inference
+            if step_type == StepType.inference:
+                if stream:
+                    if event_type == EventType.step_start.value:
+                        # TODO: Currently this event is never received
+                        yield event, LogEvent(
+                            role=step_type, content="", end="", color="yellow"
+                        )
+                    elif event_type == EventType.step_progress.value:
+                        # HACK: if previous was not step/event was not inference's step_progress
+                        # this is the first time we are getting model inference response
+                        # aka equivalent to step_start for inference. Hence,
+                        # start with "Model>".
+                        if (
+                            previous_event_type != EventType.step_progress.value
+                            and previous_step_type != StepType.inference
+                        ):
+                            yield event, LogEvent(
+                                role=step_type, content="", end="", color="yellow"
+                            )
+
+                        if event.payload.tool_call_delta:
+                            if isinstance(event.payload.tool_call_delta.content, str):
+                                yield event, LogEvent(
+                                    role=None,
+                                    content=event.payload.tool_call_delta.content,
+                                    end="",
+                                    color="cyan",
+                                )
+                        else:
+                            yield event, LogEvent(
+                                role=None,
+                                content=event.payload.model_response_text_delta,
+                                end="",
+                                color="yellow",
+                            )
+                    else:
+                        # step_complete
+                        yield event, LogEvent(role=None, content="")
+
+                else:
+                    # Not streaming
+                    if event_type == EventType.step_complete.value:
+                        response = event.payload.step_details.model_response
+                        if response.tool_calls:
+                            content = ToolUtils.encode_tool_call(response.tool_calls[0])
+                        else:
+                            content = response.content
+                        yield event, LogEvent(
+                            role=step_type,
+                            content=content,
+                            color="yellow",
+                        )
+
+            # handle tool_execution
+            if (
+                step_type == StepType.tool_execution
+                and
+                # Only print tool calls and responses at the step_complete event
+                event_type == EventType.step_complete.value
+            ):
+                details = event.payload.step_details
+                for t in details.tool_calls:
+                    yield event, LogEvent(
+                        role=step_type,
+                        content=f"Tool:{t.tool_name} Args:{t.arguments}",
+                        color="green",
+                    )
+                for r in details.tool_responses:
+                    yield event, LogEvent(
+                        role=step_type,
+                        content=f"Tool:{r.tool_name} Response:{r.content}",
+                        color="green",
+                    )
+
+            preivous_event_type = event_type
+            previous_step_type = step_type