code cleanup, using click for cli asker

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)}"