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Slightly modified the docstring in BasePromptTemplate and StringPromptTemplate. #1755

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merged 2 commits into from
Mar 19, 2023
Merged

Slightly modified the docstring in BasePromptTemplate and StringPromptTemplate. #1755

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0fe35da
Update base prompt docstring for current version.
hitoshi44 Mar 18, 2023
f3dcc9a
make format again
hitoshi44 Mar 18, 2023
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4 changes: 3 additions & 1 deletion langchain/prompts/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ def to_messages(self) -> List[BaseMessage]:


class BasePromptTemplate(BaseModel, ABC):
"""Base prompt should expose the format method, returning a prompt."""
"""Base class for all prompt templates, returning a prompt."""

input_variables: List[str]
"""A list of the names of the variables the prompt template expects."""
Expand Down Expand Up @@ -196,6 +196,8 @@ def save(self, file_path: Union[Path, str]) -> None:


class StringPromptTemplate(BasePromptTemplate, ABC):
"""String prompt should expose the format method, returning a prompt."""

def format_prompt(self, **kwargs: Any) -> PromptValue:
"""Create Chat Messages."""
return StringPromptValue(text=self.format(**kwargs))