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docs(core): Updated docs for mustache_template_vars #33435

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docs(core): Updated docs for mustache_template_vars #33435

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docs: mustache_template_vars
keenborder786 Oct 10, 2025
cee64d5
Merge branch 'master' into docs/mustache_template_vars
keenborder786 Oct 10, 2025
8a03183
Merge branch 'master' into docs/mustache_template_vars
keenborder786 Oct 11, 2025
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Merge branch 'master' into docs/mustache_template_vars
keenborder786 Oct 13, 2025
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7 changes: 5 additions & 2 deletions libs/core/langchain_core/prompts/string.py
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Original file line number Diff line number Diff line change
Expand Up @@ -122,13 +122,16 @@ def mustache_formatter(template: str, /, **kwargs: Any) -> str:
def mustache_template_vars(
template: str,
) -> set[str]:
"""Get the variables from a mustache template.
"""Get the top-level variables from a mustache template.
For nested variables like `{{person.name}}`, only the top-level
key (`person`) is returned.
Args:
template: The template string.
Returns:
The variables from the template.
The top-level variables from the template.
"""
variables: set[str] = set()
section_depth = 0
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