mirror of
https://github.com/hwchase17/langchain.git
synced 2025-07-17 02:03:44 +00:00
Merge branch 'master' into pprados/06-pdfplumber
This commit is contained in:
commit
7733591803
@ -99,8 +99,6 @@
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"\n",
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"prompt = ChatPromptTemplate.from_template(\"what is {a} + {b}\")\n",
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"\n",
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"chain1 = prompt | model\n",
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"\n",
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"chain = (\n",
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" {\n",
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" \"a\": itemgetter(\"foo\") | RunnableLambda(length_function),\n",
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@ -27,18 +27,12 @@
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"If you'd like to learn more about Nimble, visit us at [nimbleway.com](https://www.nimbleway.com/).\n",
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"\n",
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"\n",
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"## Currently we expose the following components\n",
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"\n",
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"* **Retriever** - Allow us to query the internet and get parsed textual results utilizing several search engines.\n",
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"\n",
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"\n"
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"## Retrievers:"
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]
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},
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{
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"cell_type": "markdown",
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"source": [
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"## Usage"
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],
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"source": "### NimbleSearchRetriever",
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"metadata": {
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"id": "AuMFgVFrKbNH"
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},
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@ -47,7 +41,9 @@
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{
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"cell_type": "markdown",
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"source": [
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"In order to use our provider you have to provide an API key like so"
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"Enables developers to build RAG applications and AI Agents that can search, access, and retrieve online information from anywhere on the web.\n",
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"\n",
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"We need to install the `langchain-nimble` python package."
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],
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"metadata": {
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"id": "sFlPjZX9KdK6"
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@ -55,25 +51,32 @@
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"id": "sFlPjZX9KdK6"
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},
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{
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"metadata": {},
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"cell_type": "code",
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"source": [
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"import getpass\n",
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"import os\n",
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"\n",
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"os.environ[\"NIMBLE_API_KEY\"] = getpass.getpass()"
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],
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"metadata": {
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"id": "eAqSHZ-Z8R3F"
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},
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"id": "eAqSHZ-Z8R3F",
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"outputs": [],
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"execution_count": null,
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"outputs": []
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"source": "%pip install -U langchain-nimble",
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"id": "65f237c852aa3885"
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},
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{
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"metadata": {},
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"cell_type": "markdown",
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"source": "See a [usage example](/docs/integrations/retrievers/nimble/).",
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"id": "77bd7b9a6a8e381b"
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},
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{
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"metadata": {},
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"cell_type": "markdown",
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"source": [
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"```python\n",
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"from langchain_nimble import NimbeSearchRetriever\n",
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"```"
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],
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"id": "511f9d569c21a5d2"
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},
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{
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"cell_type": "markdown",
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"source": [
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"For more information about the Authentication process, see [Nimble APIs Authentication Documentation](https://docs.nimbleway.com/nimble-sdk/web-api/nimble-web-api-quick-start-guide/nimble-apis-authentication)."
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],
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"source": "Note that authentication is required, please refer to the [Setup section in the documentation](/docs/integrations/retrievers/nimble/#setup).",
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"metadata": {
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"id": "WfwnI_RS8PO5"
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},
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File diff suppressed because one or more lines are too long
@ -156,6 +156,15 @@
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" db_name=\"vearch_cluster_langchian\",\n",
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" table_name=\"tobenumone\",\n",
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" flag=1,\n",
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")\n",
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"\n",
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"# The vector data is usually already initialized, so we don’t need the document parameter and can directly create the object.\n",
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"vearch_cluster_b = Vearch(\n",
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" embeddings,\n",
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" path_or_url=\"http://test-vearch-langchain-router.vectorbase.svc.ht1.n.jd.local\",\n",
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" db_name=\"vearch_cluster_langchian\",\n",
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" table_name=\"tobenumone\",\n",
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" flag=1,\n",
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")"
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]
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},
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@ -244,6 +253,7 @@
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],
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"source": [
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"query = \"你知道凌波微步吗,你知道都有谁会凌波微步?\"\n",
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"# The second parameter is the top-n to retrieve, and its default value is 4.\n",
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"vearch_standalone_res = vearch_standalone.similarity_search(query, 3)\n",
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"for idx, tmp in enumerate(vearch_standalone_res):\n",
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" print(f\"{'#'*20}第{idx+1}段相关文档{'#'*20}\\n\\n{tmp.page_content}\\n\")\n",
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@ -261,6 +271,11 @@
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"for idx, tmp in enumerate(cluster_res):\n",
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" print(f\"{'#'*20}第{idx+1}段相关文档{'#'*20}\\n\\n{tmp.page_content}\\n\")\n",
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"\n",
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"# In practical applications, we usually limit the boundary value of similarity. The following method can set this value.\n",
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"cluster_res_with_bound = vearch_cluster.similarity_search_with_score(\n",
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" query=query_c, k=3, min_score=0.5\n",
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")\n",
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"\n",
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"# combine your local knowleadge and query\n",
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"context_c = \"\".join([tmp.page_content for tmp in cluster_res])\n",
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"new_query_c = f\"基于以下信息,尽可能准确的来回答用户的问题。背景信息:\\n {context_c} \\n 回答用户这个问题:{query_c}\\n\\n\"\n",
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@ -154,7 +154,7 @@
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"id": "ff3cf30d",
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"metadata": {},
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"source": [
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"If we want dictionary output, we can just call `.dict()`"
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"If we want dictionary output, we can just call `.model_dump()`"
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]
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},
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{
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@ -179,7 +179,7 @@
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"prompt = tagging_prompt.invoke({\"input\": inp})\n",
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"response = llm.invoke(prompt)\n",
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"\n",
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"response.dict()"
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"response.model_dump()"
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]
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},
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{
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@ -64,7 +64,7 @@ pdfplumber>=0.11
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pgvector>=0.1.6,<0.2
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playwright>=1.48.0,<2
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praw>=7.7.1,<8
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premai>=0.3.25,<0.4
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premai>=0.3.25,<0.4,!=0.3.100
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psychicapi>=0.8.0,<0.9
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pydantic>=2.7.4,<3
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pytesseract>=0.3.13
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@ -392,11 +392,11 @@ class GoogleApiYoutubeLoader(BaseLoader):
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@model_validator(mode="before")
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@classmethod
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def validate_channel_or_videoIds_is_set(cls, values: Dict[str, Any]) -> Any:
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def validate_channel_or_videoIds_is_set(cls, values: Any) -> Any:
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"""Validate that either folder_id or document_ids is set, but not both."""
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if not values.get("channel_name") and not values.get("video_ids"):
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if not values.kwargs.get("channel_name") and not values.kwargs.get("video_ids"):
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raise ValueError("Must specify either channel_name or video_ids")
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return values
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return values.kwargs
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def _get_transcripe_for_video_id(self, video_id: str) -> str:
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from youtube_transcript_api import NoTranscriptFound, YouTubeTranscriptApi
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@ -31,6 +31,7 @@ def create_index(
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ids: Optional[List[str]] = None,
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metadatas: Optional[List[dict]] = None,
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namespace: Optional[str] = None,
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text_key: str = "context",
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) -> None:
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"""Create an index from a list of contexts.
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@ -69,7 +70,7 @@ def create_index(
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)
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# add context passages as metadata
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meta = [
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{"context": context, **metadata}
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{text_key: context, **metadata}
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for context, metadata in zip(context_batch, metadata_batch)
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]
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@ -114,7 +115,7 @@ class PineconeHybridSearchRetriever(BaseRetriever):
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"""Alpha value for hybrid search."""
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namespace: Optional[str] = None
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"""Namespace value for index partition."""
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text_key: str = "context"
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model_config = ConfigDict(
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arbitrary_types_allowed=True,
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extra="forbid",
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@ -135,6 +136,7 @@ class PineconeHybridSearchRetriever(BaseRetriever):
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ids=ids,
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metadatas=metadatas,
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namespace=namespace,
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text_key=self.text_key,
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)
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@pre_init
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@ -174,7 +176,7 @@ class PineconeHybridSearchRetriever(BaseRetriever):
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)
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final_result = []
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for res in result["matches"]:
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context = res["metadata"].pop("context")
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context = res["metadata"].pop(self.text_key)
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metadata = res["metadata"]
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if "score" not in metadata and "score" in res:
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metadata["score"] = res["score"]
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@ -70,7 +70,7 @@ DEFAULT_PROPERTIES = [
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DEFAULT_LANG_CODE = "en"
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WIKIDATA_USER_AGENT = "langchain-wikidata"
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WIKIDATA_API_URL = "https://www.wikidata.org/w/api.php"
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WIKIDATA_REST_API_URL = "https://www.wikidata.org/w/rest.php/wikibase/v0/"
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WIKIDATA_REST_API_URL = "https://www.wikidata.org/w/rest.php/wikibase/v1/"
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class WikidataAPIWrapper(BaseModel):
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