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core[patch]: allow known namespace load from path

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This commit is contained in:
Bagatur
2024-09-11 17:37:24 -07:00
parent 28594567de
commit e1d194160a
1 changed files with 6 additions and 10 deletions
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16
libs/core/langchain_core/load/load.py
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@@ -19,6 +19,7 @@ DEFAULT_NAMESPACES = [
"langchain_anthropic", "langchain_anthropic",
"langchain_groq", "langchain_groq",
"langchain_google_genai", "langchain_google_genai",
"langchain_aws",
] ]
ALL_SERIALIZABLE_MAPPINGS = { ALL_SERIALIZABLE_MAPPINGS = {
@@ -96,16 +97,11 @@ class Reviver:
if len(namespace) == 1 and namespace[0] == "langchain": if len(namespace) == 1 and namespace[0] == "langchain":
raise ValueError(f"Invalid namespace: {value}") raise ValueError(f"Invalid namespace: {value}")
# If namespace is in known namespaces, try to use mapping # If namespace is in mapping, used custom path
if namespace[0] in DEFAULT_NAMESPACES: if (
# Get the importable path namespace[0] in DEFAULT_NAMESPACES
key = tuple(namespace + [name]) and (key := tuple(namespace + [name])) in ALL_SERIALIZABLE_MAPPINGS
if key not in ALL_SERIALIZABLE_MAPPINGS: ):
raise ValueError(
"Trying to deserialize something that cannot "
"be deserialized in current version of langchain-core: "
f"{key}"
)
import_path = ALL_SERIALIZABLE_MAPPINGS[key] import_path = ALL_SERIALIZABLE_MAPPINGS[key]
# Split into module and name # Split into module and name
import_dir, import_obj = import_path[:-1], import_path[-1] import_dir, import_obj = import_path[:-1], import_path[-1]