code cleanup, using click for cli asker

poetry.lock

@@ -3933,20 +3933,6 @@ nodeenv = ">=0.11.1"
 pyyaml = ">=5.1"
 virtualenv = ">=20.10.0"
 
-[[package]]
-name = "prompt-toolkit"
-version = "3.0.47"
-description = "Library for building powerful interactive command lines in Python"
-optional = false
-python-versions = ">=3.7.0"
-files = [
-    {file = "prompt_toolkit-3.0.47-py3-none-any.whl", hash = "sha256:0d7bfa67001d5e39d02c224b663abc33687405033a8c422d0d675a5a13361d10"},
-    {file = "prompt_toolkit-3.0.47.tar.gz", hash = "sha256:1e1b29cb58080b1e69f207c893a1a7bf16d127a5c30c9d17a25a5d77792e5360"},
-]
-
-[package.dependencies]
-wcwidth = "*"
-
 [[package]]
 name = "proto-plus"
 version = "1.24.0"
@@ -5819,17 +5805,6 @@ files = [
 [package.dependencies]
 anyio = ">=3.0.0"
 
-[[package]]
-name = "wcwidth"
-version = "0.2.13"
-description = "Measures the displayed width of unicode strings in a terminal"
-optional = false
-python-versions = "*"
-files = [
-    {file = "wcwidth-0.2.13-py2.py3-none-any.whl", hash = "sha256:3da69048e4540d84af32131829ff948f1e022c1c6bdb8d6102117aac784f6859"},
-    {file = "wcwidth-0.2.13.tar.gz", hash = "sha256:72ea0c06399eb286d978fdedb6923a9eb47e1c486ce63e9b4e64fc18303972b5"},
-]
-
 [[package]]
 name = "webencodings"
 version = "0.5.1"
@@ -6156,4 +6131,4 @@ tools = ["crewai-tools"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.10,<=3.13"
-content-hash = "a4c662dbad415f52207bd3151541f8be028440fe831a8ea795f6ddc84a03ba42"
+content-hash = "f5ad9babb3c57c405e39232020e8cbfaaeb5c315c2e7c5bb8fdf66792f260343"

pyproject.toml

@@ -29,7 +29,6 @@ jsonref = "^1.1.0"
 agentops = { version = "^0.3.0", optional = true }
 embedchain = "^0.1.114"
 json-repair = "^0.25.2"
-prompt-toolkit = "^3.0.47"
 
 [tool.poetry.extras]
 tools = ["crewai-tools"]

src/crewai/agents/agent_builder/utilities/yes_no_cli_validator.py

@@ -1,8 +0,0 @@
-from prompt_toolkit.validation import Validator, ValidationError
-
-
-class YesNoValidator(Validator):
-    def validate(self, document):
-        text = document.text.lower()
-        if text not in ["y", "n", "yes", "no"]:
-            raise ValidationError(message="Please enter Y/N")

src/crewai/agents/executor.py

@@ -1,7 +1,7 @@
 import threading
 import time
 from typing import Any, Dict, Iterator, List, Literal, Optional, Tuple, Union
-from prompt_toolkit import prompt
+import click
 
 
 from langchain.agents import AgentExecutor
@@ -13,18 +13,19 @@ from langchain_core.tools import BaseTool
 from langchain_core.utils.input import get_color_mapping
 from pydantic import InstanceOf
 
-from openai import BadRequestError
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.chains.summarize import load_summarize_chain
 
 from crewai.agents.agent_builder.base_agent_executor_mixin import CrewAgentExecutorMixin
-from crewai.agents.agent_builder.utilities.yes_no_cli_validator import YesNoValidator
 from crewai.agents.tools_handler import ToolsHandler
 
 
 from crewai.tools.tool_usage import ToolUsage, ToolUsageErrorException
 from crewai.utilities import I18N
 from crewai.utilities.constants import TRAINING_DATA_FILE
+from crewai.utilities.exceptions.context_window_exceeding_exception import (
+    LLMContextLengthExceededException,
+)
 from crewai.utilities.training_handler import CrewTrainingHandler
 from crewai.utilities.logger import Logger
 
@@ -50,7 +51,7 @@ class CrewAgentExecutor(AgentExecutor, CrewAgentExecutorMixin):
     system_template: Optional[str] = None
     prompt_template: Optional[str] = None
     response_template: Optional[str] = None
-    _logger: Logger = Logger()
+    _logger: Logger = Logger(verbose_level=2)
     _fit_context_window_strategy: Optional[Literal["summarize"]] = "summarize"
 
     def _call(
@@ -197,25 +198,28 @@ class CrewAgentExecutor(AgentExecutor, CrewAgentExecutorMixin):
             yield AgentStep(action=output, observation=observation)
             return
 
-        except BadRequestError as e:
-            print("Bad Request Error", e)
+        except Exception as e:
+            if LLMContextLengthExceededException(str(e))._is_context_limit_error(
+                str(e)
+            ):
                 if "context_length_exceeded" in str(e):
                     self._logger.log(
                         "debug",
                         "Context length exceeded. Asking user if they want to use summarize prompt to fit, this will reduce context length.",
                         color="yellow",
                     )
-                user_choice = prompt(
-                    "Context length exceeded. Do you want to summarize the text to fit models context window? (Y/N): ",
-                    validator=YesNoValidator(),
-                ).lower()
-                if user_choice in ["y", "yes"]:
+                    user_choice = click.confirm(
+                        "Context length exceeded. Do you want to summarize the text to fit models context window?"
+                    )
+                    if user_choice:
                         self._logger.log(
                             "debug",
                             "Context length exceeded. Using summarize prompt to fit, this will reduce context length.",
                             color="bold_blue",
                         )
-                    intermediate_steps = self._handle_context_length(intermediate_steps)
+                        intermediate_steps = self._handle_context_length(
+                            intermediate_steps
+                        )
 
                         output = self.agent.plan(
                             intermediate_steps,
@@ -229,14 +233,14 @@ class CrewAgentExecutor(AgentExecutor, CrewAgentExecutorMixin):
                             yield AgentStep(action=output, observation=None)
                         return
                     else:
+                        self._logger.log(
+                            "debug",
+                            "Context length exceeded. Consider using smaller text or RAG tools from crewai_tools.",
+                            color="red",
+                        )
                         raise SystemExit(
                             "Context length exceeded and user opted not to summarize. Consider using smaller text or RAG tools from crewai_tools."
                         )
-
-            else:
-                raise e
-
-        except Exception as e:
             yield AgentStep(
                 action=AgentAction("_Exception", str(e), str(e)),
                 observation=str(e),
@@ -364,8 +368,11 @@ class CrewAgentExecutor(AgentExecutor, CrewAgentExecutorMixin):
             )
             summarized_docs = []
             for doc in docs:
-                summary = summarize_chain.run([doc])
-                summarized_docs.append(summary)
+                summary = summarize_chain.invoke(
+                    {"input_documents": [doc]}, return_only_outputs=True
+                )
+
+                summarized_docs.append(summary["output_text"])
 
             formatted_results = "\n\n".join(summarized_docs)
             summary_step = AgentStep(

src/crewai/utilities/__init__.py

@@ -7,6 +7,9 @@ from .parser import YamlParser
 from .printer import Printer
 from .prompts import Prompts
 from .rpm_controller import RPMController
+from .exceptions.context_window_exceeding_exception import (
+    LLMContextLengthExceededException,
+)
 
 __all__ = [
     "Converter",
@@ -19,4 +22,5 @@ __all__ = [
     "Prompts",
     "RPMController",
     "YamlParser",
+    "LLMContextLengthExceededException",
 ]

src/crewai/utilities/exceptions/context_window_exceeding_exception.py

@@ -0,0 +1,30 @@
+class LLMContextLengthExceededException(Exception):
+    CONTEXT_LIMIT_ERRORS = [
+        "maximum context length",
+        "context length exceeded",
+        "context window full",
+        "too many tokens",
+        "input is too long",
+        "exceeds token limit",
+    ]
+
+    def __init__(self, error_message: str):
+        self.original_error_message = error_message
+        if self._is_context_limit_error(error_message):
+            super().__init__(self._get_error_message())
+        else:
+            raise ValueError(
+                "The provided error message is not related to context length limits."
+            )
+
+    def _is_context_limit_error(self, error_message: str) -> bool:
+        return any(
+            phrase.lower() in error_message.lower()
+            for phrase in self.CONTEXT_LIMIT_ERRORS
+        )
+
+    def _get_error_message(self):
+        return (
+            f"LLM context length exceeded. Original error: {self.original_error_message}\n"
+            "Consider using a smaller input or implementing a text splitting strategy."
+        )

src/crewai/utilities/exceptions/exception_aggregator.py

@@ -0,0 +1,8 @@
+class ContextLengthExceeded(Exception):
+    def __init__(self, exceptions):
+        self.exceptions = exceptions
+        super().__init__(self.__str__())
+
+    def __str__(self):
+        error_messages = [str(e) for e in self.exceptions]
+        return f"Multiple BadRequestExceptions occurred: {', '.join(error_messages)}"

tests/agent_test.py

@@ -1024,8 +1024,6 @@ def test_handle_context_length_exceeds_limit():
         goal="test goal",
         backstory="test backstory",
     )
-    task = Task(description="test task", agent=agent, expected_output="test output")
-    # crew = Crew(agents=[agent], tasks=[task])
     original_action = AgentAction(
         tool="test_tool", tool_input="test_input", log="test_log"
     )
@@ -1041,7 +1039,7 @@ def test_handle_context_length_exceeds_limit():
             task=task,
         )
         private_mock.assert_called_once()
-        with patch("crewai.agents.executor.prompt") as mock_prompt:
+        with patch("crewai.agents.executor.click") as mock_prompt:
             mock_prompt.return_value = "y"
             with patch.object(
                 CrewAgentExecutor, "_handle_context_length"
@@ -1082,7 +1080,7 @@ def test_handle_context_length_exceeds_limit_cli_no():
             task=task,
         )
         private_mock.assert_called_once()
-        with patch("crewai.agents.executor.prompt") as mock_prompt:
+        with patch("crewai.agents.executor.click") as mock_prompt:
             mock_prompt.return_value = "n"
             pytest.raises(SystemExit)
             with patch.object(