Source code for langchain_core.output_parsers.string
"""String output parser."""
from langchain_core.output_parsers.transform import BaseTransformOutputParser
[docs]
class StrOutputParser(BaseTransformOutputParser[str]):
"""OutputParser that parses LLMResult into the top likely string."""
@classmethod
def is_lc_serializable(cls) -> bool:
"""StrOutputParser is serializable.
Returns:
True
"""
return True
@classmethod
def get_lc_namespace(cls) -> list[str]:
"""Get the namespace of the langchain object.
Default is ["langchain", "schema", "output_parser"].
"""
return ["langchain", "schema", "output_parser"]
@property
def _type(self) -> str:
"""Return the output parser type for serialization."""
return "default"
[docs]
def parse(self, text: str) -> str:
"""Returns the input text with no changes."""
return text