community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463)

Moved the following modules to new package langchain-community in a backwards compatible fashion: ``` mv langchain/langchain/adapters community/langchain_community mv langchain/langchain/callbacks community/langchain_community/callbacks mv langchain/langchain/chat_loaders community/langchain_community mv langchain/langchain/chat_models community/langchain_community mv langchain/langchain/document_loaders community/langchain_community mv langchain/langchain/docstore community/langchain_community mv langchain/langchain/document_transformers community/langchain_community mv langchain/langchain/embeddings community/langchain_community mv langchain/langchain/graphs community/langchain_community mv langchain/langchain/llms community/langchain_community mv langchain/langchain/memory/chat_message_histories community/langchain_community mv langchain/langchain/retrievers community/langchain_community mv langchain/langchain/storage community/langchain_community mv langchain/langchain/tools community/langchain_community mv langchain/langchain/utilities community/langchain_community mv langchain/langchain/vectorstores community/langchain_community mv langchain/langchain/agents/agent_toolkits community/langchain_community mv langchain/langchain/cache.py community/langchain_community mv langchain/langchain/adapters community/langchain_community mv langchain/langchain/callbacks community/langchain_community/callbacks mv langchain/langchain/chat_loaders community/langchain_community mv langchain/langchain/chat_models community/langchain_community mv langchain/langchain/document_loaders community/langchain_community mv langchain/langchain/docstore community/langchain_community mv langchain/langchain/document_transformers community/langchain_community mv langchain/langchain/embeddings community/langchain_community mv langchain/langchain/graphs community/langchain_community mv langchain/langchain/llms community/langchain_community mv langchain/langchain/memory/chat_message_histories community/langchain_community mv langchain/langchain/retrievers community/langchain_community mv langchain/langchain/storage community/langchain_community mv langchain/langchain/tools community/langchain_community mv langchain/langchain/utilities community/langchain_community mv langchain/langchain/vectorstores community/langchain_community mv langchain/langchain/agents/agent_toolkits community/langchain_community mv langchain/langchain/cache.py community/langchain_community ``` Moved the following to core ``` mv langchain/langchain/utils/json_schema.py core/langchain_core/utils mv langchain/langchain/utils/html.py core/langchain_core/utils mv langchain/langchain/utils/strings.py core/langchain_core/utils cat langchain/langchain/utils/env.py >> core/langchain_core/utils/env.py rm langchain/langchain/utils/env.py ``` See .scripts/community_split/script_integrations.sh for all changes
2025-09-04 20:46:45 +00:00 · 2023-12-11 13:53:30 -08:00
parent c0f4b95aa9
commit ed58eeb9c5
2446 changed files with 171805 additions and 137118 deletions
--- a/libs/community/langchain_community/utilities/max_compute.py
+++ b/libs/community/langchain_community/utilities/max_compute.py
@@ -0,0 +1,76 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Iterator, List, Optional
+
+from langchain_core.utils import get_from_env
+
+if TYPE_CHECKING:
+    from odps import ODPS
+
+
+class MaxComputeAPIWrapper:
+    """Interface for querying Alibaba Cloud MaxCompute tables."""
+
+    def __init__(self, client: ODPS):
+        """Initialize MaxCompute document loader.
+
+        Args:
+            client: odps.ODPS MaxCompute client object.
+        """
+        self.client = client
+
+    @classmethod
+    def from_params(
+        cls,
+        endpoint: str,
+        project: str,
+        *,
+        access_id: Optional[str] = None,
+        secret_access_key: Optional[str] = None,
+    ) -> MaxComputeAPIWrapper:
+        """Convenience constructor that builds the odsp.ODPS MaxCompute client from
+            given parameters.
+
+        Args:
+            endpoint: MaxCompute endpoint.
+            project: A project is a basic organizational unit of MaxCompute, which is
+                similar to a database.
+            access_id: MaxCompute access ID. Should be passed in directly or set as the
+                environment variable `MAX_COMPUTE_ACCESS_ID`.
+            secret_access_key: MaxCompute secret access key. Should be passed in
+                directly or set as the environment variable
+                `MAX_COMPUTE_SECRET_ACCESS_KEY`.
+        """
+        try:
+            from odps import ODPS
+        except ImportError as ex:
+            raise ImportError(
+                "Could not import pyodps python package. "
+                "Please install it with `pip install pyodps` or refer to "
+                "https://pyodps.readthedocs.io/."
+            ) from ex
+        access_id = access_id or get_from_env("access_id", "MAX_COMPUTE_ACCESS_ID")
+        secret_access_key = secret_access_key or get_from_env(
+            "secret_access_key", "MAX_COMPUTE_SECRET_ACCESS_KEY"
+        )
+        client = ODPS(
+            access_id=access_id,
+            secret_access_key=secret_access_key,
+            project=project,
+            endpoint=endpoint,
+        )
+        if not client.exist_project(project):
+            raise ValueError(f'The project "{project}" does not exist.')
+
+        return cls(client)
+
+    def lazy_query(self, query: str) -> Iterator[dict]:
+        # Execute SQL query.
+        with self.client.execute_sql(query).open_reader() as reader:
+            if reader.count == 0:
+                raise ValueError("Table contains no data.")
+            for record in reader:
+                yield {k: v for k, v in record}
+
+    def query(self, query: str) -> List[dict]:
+        return list(self.lazy_query(query))