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
2025-09-02 19:47:13 +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/document_loaders/weather.py
+++ b/libs/community/langchain_community/document_loaders/weather.py
@@ -0,0 +1,51 @@
+"""Simple reader that reads weather data from OpenWeatherMap API"""
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Iterator, List, Optional, Sequence
+
+from langchain_core.documents import Document
+
+from langchain_community.document_loaders.base import BaseLoader
+from langchain_community.utilities.openweathermap import OpenWeatherMapAPIWrapper
+
+
+class WeatherDataLoader(BaseLoader):
+    """Load weather data with `Open Weather Map` API.
+
+    Reads the forecast & current weather of any location using OpenWeatherMap's free
+    API. Checkout 'https://openweathermap.org/appid' for more on how to generate a free
+    OpenWeatherMap API.
+    """
+
+    def __init__(
+        self,
+        client: OpenWeatherMapAPIWrapper,
+        places: Sequence[str],
+    ) -> None:
+        """Initialize with parameters."""
+        super().__init__()
+        self.client = client
+        self.places = places
+
+    @classmethod
+    def from_params(
+        cls, places: Sequence[str], *, openweathermap_api_key: Optional[str] = None
+    ) -> WeatherDataLoader:
+        client = OpenWeatherMapAPIWrapper(openweathermap_api_key=openweathermap_api_key)
+        return cls(client, places)
+
+    def lazy_load(
+        self,
+    ) -> Iterator[Document]:
+        """Lazily load weather data for the given locations."""
+        for place in self.places:
+            metadata = {"queried_at": datetime.now()}
+            content = self.client.run(place)
+            yield Document(page_content=content, metadata=metadata)
+
+    def load(
+        self,
+    ) -> List[Document]:
+        """Load weather data for the given locations."""
+        return list(self.lazy_load())