_convert_annotation_from_v1() — langchain Function Reference
Architecture documentation for the _convert_annotation_from_v1() function in _compat.py from the langchain codebase.
Entity Profile
Dependency Diagram
graph TD b37385b6_2524_151c_2d19_4c6b96b5a5d4["_convert_annotation_from_v1()"] 229dd2f8_cd21_122c_8dc9_e4e6685d089f["_compat.py"] b37385b6_2524_151c_2d19_4c6b96b5a5d4 -->|defined in| 229dd2f8_cd21_122c_8dc9_e4e6685d089f 02f601bc_0436_a4b9_4ca2_139300c429ca["_convert_from_v1_to_anthropic()"] 02f601bc_0436_a4b9_4ca2_139300c429ca -->|calls| b37385b6_2524_151c_2d19_4c6b96b5a5d4 style b37385b6_2524_151c_2d19_4c6b96b5a5d4 fill:#6366f1,stroke:#818cf8,color:#fff
Relationship Graph
Source Code
libs/partners/anthropic/langchain_anthropic/_compat.py lines 9–93
def _convert_annotation_from_v1(annotation: types.Annotation) -> dict[str, Any]:
"""Convert LangChain annotation format to Anthropic's native citation format."""
if annotation["type"] == "non_standard_annotation":
return annotation["value"]
if annotation["type"] == "citation":
if "url" in annotation:
# web_search_result_location
out: dict[str, Any] = {}
if cited_text := annotation.get("cited_text"):
out["cited_text"] = cited_text
if "encrypted_index" in annotation.get("extras", {}):
out["encrypted_index"] = annotation.get("extras", {})["encrypted_index"]
if "title" in annotation:
out["title"] = annotation["title"]
out["type"] = "web_search_result_location"
out["url"] = annotation.get("url")
for key, value in annotation.get("extras", {}).items():
if key not in out:
out[key] = value
return out
if "start_char_index" in annotation.get("extras", {}):
# char_location
out = {"type": "char_location"}
for field in ["cited_text"]:
if value := annotation.get(field):
out[field] = value
if title := annotation.get("title"):
out["document_title"] = title
for key, value in annotation.get("extras", {}).items():
out[key] = value
out = {k: out[k] for k in sorted(out)}
return out
if "search_result_index" in annotation.get("extras", {}):
# search_result_location
out = {"type": "search_result_location"}
for field in ["cited_text", "title"]:
if value := annotation.get(field):
out[field] = value
for key, value in annotation.get("extras", {}).items():
out[key] = value
return out
if "start_block_index" in annotation.get("extras", {}):
# content_block_location
out = {}
if cited_text := annotation.get("cited_text"):
out["cited_text"] = cited_text
if "document_index" in annotation.get("extras", {}):
out["document_index"] = annotation.get("extras", {})["document_index"]
if "title" in annotation:
out["document_title"] = annotation["title"]
for key, value in annotation.get("extras", {}).items():
if key not in out:
out[key] = value
out["type"] = "content_block_location"
return out
if "start_page_number" in annotation.get("extras", {}):
# page_location
out = {"type": "page_location"}
for field in ["cited_text"]:
if value := annotation.get(field):
out[field] = value
if title := annotation.get("title"):
out["document_title"] = title
for key, value in annotation.get("extras", {}).items():
out[key] = value
return outDomain
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Called By
Source
Frequently Asked Questions
What does _convert_annotation_from_v1() do?
_convert_annotation_from_v1() is a function in the langchain codebase, defined in libs/partners/anthropic/langchain_anthropic/_compat.py.
Where is _convert_annotation_from_v1() defined?
_convert_annotation_from_v1() is defined in libs/partners/anthropic/langchain_anthropic/_compat.py at line 9.
What calls _convert_annotation_from_v1()?
_convert_annotation_from_v1() is called by 1 function(s): _convert_from_v1_to_anthropic.
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