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docs: change for optional variables in chatprompt (#25017)

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Fixes #24884
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BhujayKumarBhatta 2024-08-06 05:27:44 +05:30 committed by GitHub
parent 423d286546
commit 8f33fce871
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2 changed files with 6 additions and 3 deletions
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4
libs/core/langchain_core/prompts/base.py
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@ -46,7 +46,9 @@ class BasePromptTemplate(
"""A list of the names of the variables whose values are required as inputs to the
prompt."""
optional_variables: List[str] = Field(default=[])
"""A list of the names of the variables that are optional in the prompt."""
"""optional_variables: A list of the names of the variables for placeholder
or MessagePlaceholder that are optional. These variables are auto inferred
from the prompt and user need not provide them."""
input_types: Dict[str, Any] = Field(default_factory=dict, exclude=True)
"""A dictionary of the types of the variables the prompt template expects.
If not provided, all variables are assumed to be strings."""

5
libs/core/langchain_core/prompts/chat.py
View File

@ -946,8 +946,9 @@ class ChatPromptTemplate(BaseChatPromptTemplate):
template_format: format of the template. Defaults to "f-string".
input_variables: A list of the names of the variables whose values are
required as inputs to the prompt.
optional_variables: A list of the names of the variables that are optional
in the prompt.
optional_variables: A list of the names of the variables for placeholder
or MessagePlaceholder that are optional. These variables are auto inferred
from the prompt and user need not provide them.
partial_variables: A dictionary of the partial variables the prompt
template carries. Partial variables populate the template so that you
don't need to pass them in every time you call the prompt.