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Enhance Snowpark Session Handling with Optional Injection #207

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Enhance Snowpark Session Handling with Optional Injection #207

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b862f2c
feat(ChatSnowflakeCortex): allow external Snowpark session usage
asilvester-nw Jul 25, 2025
56b1ab5
refactor(ChatSnowflakeCortex): simplify session handling and update d…
asilvester-nw Jul 25, 2025
431db44
Merge branch 'main' into main
mdrxy Aug 19, 2025
efa770b
Merge branch 'main' into main
asilvester-nw Aug 28, 2025
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7 changes: 6 additions & 1 deletion libs/community/langchain_community/chat_models/snowflake.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,8 @@ class ChatSnowflakeCortex(BaseChatModel):
)

session: Any = None
"""Snowpark session object."""
"""Snowpark session object. If provided, it will be used instead of creating
a new session from environment variables."""

model: str = "mistral-large"
"""Snowflake cortex hosted LLM model name, defaulted to `mistral-large`.
Expand Down Expand Up @@ -176,6 +177,10 @@ def build_extra(cls, values: Dict[str, Any]) -> Any:

@model_validator(mode="before")
def validate_environment(cls, values: Dict) -> Dict:
# Skip validation if session is already provided
if values.get("session") is not None:
return values

try:
from snowflake.snowpark import Session
except ImportError:
Expand Down