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73a5efc7936d-11
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/api_models.html
type {operation_name} = (_: {{ {formatted_params} }}) => any; """ return typescript_definition.strip() @property def query_params(self) -> List[str]: return [ property.name for property in self.properties if property.location == APIPropertyLocation.QUERY ...
e609644df4e8-0
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/openapi_utils.html
Source code for langchain.tools.openapi.utils.openapi_utils """Utility functions for parsing an OpenAPI spec.""" import copy import json import logging import re from enum import Enum from pathlib import Path from typing import Dict, List, Optional, Union import requests import yaml from openapi_schema_pydantic import ...
e609644df4e8-1
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/openapi_utils.html
"""Get components or err.""" if self.components is None: raise ValueError("No components found in spec. ") return self.components @property def _parameters_strict(self) -> Dict[str, Union[Parameter, Reference]]: """Get parameters or err.""" parameters = self._componen...
e609644df4e8-2
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/openapi_utils.html
[docs] def get_referenced_schema(self, ref: Reference) -> Schema: """Get a schema (or nested reference) or err.""" ref_name = ref.ref.split("/")[-1] schemas = self._schemas_strict if ref_name not in schemas: raise ValueError(f"No schema found for {ref_name}") retur...
e609644df4e8-3
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/openapi_utils.html
+ " for better support." ) swagger_version = obj.get("swagger") openapi_version = obj.get("openapi") if isinstance(openapi_version, str): if openapi_version != "3.1.0": logger.warning( f"Attempting to load an OpenAPI {openapi_version}" ...
e609644df4e8-4
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/openapi_utils.html
"""Get an OpenAPI spec from a text.""" try: spec_dict = json.loads(text) except json.JSONDecodeError: spec_dict = yaml.safe_load(text) return cls.from_spec_dict(spec_dict) [docs] @classmethod def from_file(cls, path: Union[str, Path]) -> "OpenAPISpec": """G...
e609644df4e8-5
https://python.langchain.com/en/latest/_modules/langchain/tools/openapi/utils/openapi_utils.html
raise ValueError(f"No {method} method found for {path}") return operation_obj [docs] def get_parameters_for_operation(self, operation: Operation) -> List[Parameter]: """Get the components for a given operation.""" parameters = [] if operation.parameters: for parameter in o...
f82a41f236e8-0
https://python.langchain.com/en/latest/_modules/langchain/tools/google_search/tool.html
Source code for langchain.tools.google_search.tool """Tool for the Google search API.""" from typing import Optional from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilities.google_search import Goog...
f82a41f236e8-1
https://python.langchain.com/en/latest/_modules/langchain/tools/google_search/tool.html
query: str, run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Use the tool.""" return str(self.api_wrapper.results(query, self.num_results)) async def _arun( self, query: str, run_manager: Optional[AsyncCallbackManagerForToolRun] = None, ) ...
df5e7213403a-0
https://python.langchain.com/en/latest/_modules/langchain/tools/wolfram_alpha/tool.html
Source code for langchain.tools.wolfram_alpha.tool """Tool for the Wolfram Alpha API.""" from typing import Optional from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilities.wolfram_alpha import Wolf...
d51d3706f71d-0
https://python.langchain.com/en/latest/_modules/langchain/tools/ddg_search/tool.html
Source code for langchain.tools.ddg_search.tool """Tool for the DuckDuckGo search API.""" import warnings from typing import Any, Optional from pydantic import Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool f...
d51d3706f71d-1
https://python.langchain.com/en/latest/_modules/langchain/tools/ddg_search/tool.html
"Useful for when you need to answer questions about current events. " "Input should be a search query. Output is a JSON array of the query results" ) num_results: int = 4 api_wrapper: DuckDuckGoSearchAPIWrapper = Field( default_factory=DuckDuckGoSearchAPIWrapper ) def _run( s...
7077e70dc099-0
https://python.langchain.com/en/latest/_modules/langchain/tools/bing_search/tool.html
Source code for langchain.tools.bing_search.tool """Tool for the Bing search API.""" from typing import Optional from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilities.bing_search import BingSearch...
7077e70dc099-1
https://python.langchain.com/en/latest/_modules/langchain/tools/bing_search/tool.html
self, query: str, run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Use the tool.""" return str(self.api_wrapper.results(query, self.num_results)) async def _arun( self, query: str, run_manager: Optional[AsyncCallbackManagerForToolRun] ...
383daff6f2b0-0
https://python.langchain.com/en/latest/_modules/langchain/tools/powerbi/tool.html
Source code for langchain.tools.powerbi.tool """Tools for interacting with a Power BI dataset.""" from typing import Any, Dict, Optional, Tuple from pydantic import Field, validator from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.chains.llm i...
383daff6f2b0-1
https://python.langchain.com/en/latest/_modules/langchain/tools/powerbi/tool.html
"""Make sure the LLM chain has the correct input variables.""" if llm_chain.prompt.input_variables != [ "tool_input", "tables", "schemas", "examples", ]: raise ValueError( "LLM chain for QueryPowerBITool must have input variable...
383daff6f2b0-2
https://python.langchain.com/en/latest/_modules/langchain/tools/powerbi/tool.html
return self.session_cache[tool_input] pbi_result = self.powerbi.run(command=query) result, error = self._parse_output(pbi_result) iterations = kwargs.get("iterations", 0) if error and iterations < self.max_iterations: return self._run( tool_input=RETRY_RESPONS...
383daff6f2b0-3
https://python.langchain.com/en/latest/_modules/langchain/tools/powerbi/tool.html
iterations = kwargs.get("iterations", 0) if error and iterations < self.max_iterations: return await self._arun( tool_input=RETRY_RESPONSE.format( tool_input=tool_input, query=query, error=error ), run_manager=run_manager, ...
383daff6f2b0-4
https://python.langchain.com/en/latest/_modules/langchain/tools/powerbi/tool.html
powerbi: PowerBIDataset = Field(exclude=True) class Config: """Configuration for this pydantic object.""" arbitrary_types_allowed = True def _run( self, tool_input: str, run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Get the schema for t...
383daff6f2b0-5
https://python.langchain.com/en/latest/_modules/langchain/tools/powerbi/tool.html
return ", ".join(self.powerbi.get_table_names()) By Harrison Chase © Copyright 2023, Harrison Chase. Last updated on Jun 04, 2023.
3b7b27e22a83-0
https://python.langchain.com/en/latest/_modules/langchain/tools/steamship_image_generation/tool.html
Source code for langchain.tools.steamship_image_generation.tool """This tool allows agents to generate images using Steamship. Steamship offers access to different third party image generation APIs using a single API key. Today the following models are supported: - Dall-E - Stable Diffusion To use this tool, you must f...
3b7b27e22a83-1
https://python.langchain.com/en/latest/_modules/langchain/tools/steamship_image_generation/tool.html
"Input: A detailed text-2-image prompt describing an image" "Output: the UUID of a generated image" ) @root_validator(pre=True) def validate_size(cls, values: Dict) -> Dict: if "size" in values: size = values["size"] model_name = values["model_name"] if si...
3b7b27e22a83-2
https://python.langchain.com/en/latest/_modules/langchain/tools/steamship_image_generation/tool.html
blocks = task.output.blocks if len(blocks) > 0: if self.return_urls: return make_image_public(self.steamship, blocks[0]) else: return blocks[0].id raise RuntimeError(f"[{self.name}] Tool unable to generate image!") async def _arun( self...
881c5f179626-0
https://python.langchain.com/en/latest/_modules/langchain/tools/brave_search/tool.html
Source code for langchain.tools.brave_search.tool from __future__ import annotations from typing import Any, Optional from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilities.brave_search import Brav...
cd95b68ee113-0
https://python.langchain.com/en/latest/_modules/langchain/tools/pubmed/tool.html
Source code for langchain.tools.pubmed.tool """Tool for the Pubmed API.""" from typing import Optional from pydantic import Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilities.pupmed impor...
bc16c22b0258-0
https://python.langchain.com/en/latest/_modules/langchain/tools/scenexplain/tool.html
Source code for langchain.tools.scenexplain.tool """Tool for the SceneXplain API.""" from typing import Optional from pydantic import BaseModel, Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.u...
bd67f656ecc4-0
https://python.langchain.com/en/latest/_modules/langchain/tools/human/tool.html
Source code for langchain.tools.human.tool """Tool for asking human input.""" from typing import Callable, Optional from pydantic import Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool def _print_func(text: st...
5dab190f82c5-0
https://python.langchain.com/en/latest/_modules/langchain/tools/openweathermap/tool.html
Source code for langchain.tools.openweathermap.tool """Tool for the OpenWeatherMap API.""" from typing import Optional from pydantic import Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilit...
7de065b42627-0
https://python.langchain.com/en/latest/_modules/langchain/tools/metaphor_search/tool.html
Source code for langchain.tools.metaphor_search.tool """Tool for the Metaphor search API.""" from typing import Dict, List, Optional, Union from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from langchain.utilities.me...
f8055894b9e2-0
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/get_thread.html
Source code for langchain.tools.gmail.get_thread from typing import Dict, Optional, Type from pydantic import BaseModel, Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.gmail.base import GmailBaseTool class GetThreadSchema(BaseMod...
f8055894b9e2-1
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/get_thread.html
thread_id: str, run_manager: Optional[AsyncCallbackManagerForToolRun] = None, ) -> Dict: """Run the tool.""" raise NotImplementedError By Harrison Chase © Copyright 2023, Harrison Chase. Last updated on Jun 04, 2023.
6642553b92f6-0
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/send_message.html
Source code for langchain.tools.gmail.send_message """Send Gmail messages.""" import base64 from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from typing import Any, Dict, List, Optional from pydantic import BaseModel, Field from langchain.callbacks.manager import ( AsyncCallbackMa...
6642553b92f6-1
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/send_message.html
mime_message["Subject"] = subject if cc is not None: mime_message["Cc"] = ", ".join(cc) if bcc is not None: mime_message["Bcc"] = ", ".join(bcc) encoded_message = base64.urlsafe_b64encode(mime_message.as_bytes()).decode() return {"raw": encoded_message} def _r...
6642553b92f6-2
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/send_message.html
Last updated on Jun 04, 2023.
2fff1efcf0a3-0
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/search.html
Source code for langchain.tools.gmail.search import base64 import email from enum import Enum from typing import Any, Dict, List, Optional, Type from pydantic import BaseModel, Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.gmail...
2fff1efcf0a3-1
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/search.html
"Use this tool to search for email messages or threads." " The input must be a valid Gmail query." " The output is a JSON list of the requested resource." ) args_schema: Type[SearchArgsSchema] = SearchArgsSchema def _parse_threads(self, threads: List[Dict[str, Any]]) -> List[Dict[str, Any]]:...
2fff1efcf0a3-2
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/search.html
"threadId": message_data["threadId"], "snippet": message_data["snippet"], "body": body, "subject": subject, "sender": sender, } ) return results def _run( self, query: str, res...
ddef34afc19c-0
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/get_message.html
Source code for langchain.tools.gmail.get_message import base64 import email from typing import Dict, Optional, Type from pydantic import BaseModel, Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.gmail.base import GmailBaseTool f...
ddef34afc19c-1
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/get_message.html
"body": body, "subject": subject, "sender": sender, } async def _arun( self, message_id: str, run_manager: Optional[AsyncCallbackManagerForToolRun] = None, ) -> Dict: """Run the tool.""" raise NotImplementedError By Harrison Chase ...
37cb42529b98-0
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/create_draft.html
Source code for langchain.tools.gmail.create_draft import base64 from email.message import EmailMessage from typing import List, Optional, Type from pydantic import BaseModel, Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.gmail....
37cb42529b98-1
https://python.langchain.com/en/latest/_modules/langchain/tools/gmail/create_draft.html
draft_message["Cc"] = ", ".join(cc) if bcc is not None: draft_message["Bcc"] = ", ".join(bcc) encoded_message = base64.urlsafe_b64encode(draft_message.as_bytes()).decode() return {"message": {"raw": encoded_message}} def _run( self, message: str, to: List[...
42fa2135ba24-0
https://python.langchain.com/en/latest/_modules/langchain/tools/vectorstore/tool.html
Source code for langchain.tools.vectorstore.tool """Tools for interacting with vectorstores.""" import json from typing import Any, Dict, Optional from pydantic import BaseModel, Field from langchain.base_language import BaseLanguageModel from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, ...
42fa2135ba24-1
https://python.langchain.com/en/latest/_modules/langchain/tools/vectorstore/tool.html
run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Use the tool.""" chain = RetrievalQA.from_chain_type( self.llm, retriever=self.vectorstore.as_retriever() ) return chain.run(query) async def _arun( self, query: str, run_man...
42fa2135ba24-2
https://python.langchain.com/en/latest/_modules/langchain/tools/vectorstore/tool.html
return json.dumps(chain({chain.question_key: query}, return_only_outputs=True)) async def _arun( self, query: str, run_manager: Optional[AsyncCallbackManagerForToolRun] = None, ) -> str: """Use the tool asynchronously.""" raise NotImplementedError("VectorStoreQAWithSource...
7611366f5538-0
https://python.langchain.com/en/latest/_modules/langchain/tools/google_serper/tool.html
Source code for langchain.tools.google_serper.tool """Tool for the Serper.dev Google Search API.""" from typing import Optional from pydantic.fields import Field from langchain.callbacks.manager import ( AsyncCallbackManagerForToolRun, CallbackManagerForToolRun, ) from langchain.tools.base import BaseTool from ...
7611366f5538-1
https://python.langchain.com/en/latest/_modules/langchain/tools/google_serper/tool.html
api_wrapper: GoogleSerperAPIWrapper = Field(default_factory=GoogleSerperAPIWrapper) def _run( self, query: str, run_manager: Optional[CallbackManagerForToolRun] = None, ) -> str: """Use the tool.""" return str(self.api_wrapper.results(query)) async def _arun( ...
68220f9a33ec-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface_hub.html
Source code for langchain.embeddings.huggingface_hub """Wrapper around HuggingFace Hub embedding models.""" from typing import Any, Dict, List, Optional from pydantic import BaseModel, Extra, root_validator from langchain.embeddings.base import Embeddings from langchain.utils import get_from_dict_or_env DEFAULT_REPO_ID...
68220f9a33ec-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface_hub.html
"""Validate that api key and python package exists in environment.""" huggingfacehub_api_token = get_from_dict_or_env( values, "huggingfacehub_api_token", "HUGGINGFACEHUB_API_TOKEN" ) try: from huggingface_hub.inference_api import InferenceApi repo_id = values...
68220f9a33ec-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface_hub.html
return responses [docs] def embed_query(self, text: str) -> List[float]: """Call out to HuggingFaceHub's embedding endpoint for embedding query text. Args: text: The text to embed. Returns: Embeddings for the text. """ response = self.embed_documents([t...
f75b5b5f818f-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/bedrock.html
Source code for langchain.embeddings.bedrock import json import os from typing import Any, Dict, List, Optional from pydantic import BaseModel, Extra, root_validator from langchain.embeddings.base import Embeddings [docs]class BedrockEmbeddings(BaseModel, Embeddings): """Embeddings provider to invoke Bedrock embedd...
f75b5b5f818f-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/bedrock.html
credentials from IMDS will be used. See: https://boto3.amazonaws.com/v1/documentation/api/latest/guide/credentials.html """ model_id: str = "amazon.titan-e1t-medium" """Id of the model to call, e.g., amazon.titan-e1t-medium, this is equivalent to the modelId property in the list-foundation-models ap...
f75b5b5f818f-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/bedrock.html
"""Call out to Bedrock embedding endpoint.""" # replace newlines, which can negatively affect performance. text = text.replace(os.linesep, " ") _model_kwargs = self.model_kwargs or {} input_body = {**_model_kwargs} input_body["inputText"] = text body = json.dumps(input_bo...
f75b5b5f818f-3
https://python.langchain.com/en/latest/_modules/langchain/embeddings/bedrock.html
return self._embedding_func(text) By Harrison Chase © Copyright 2023, Harrison Chase. Last updated on Jun 04, 2023.
b8151c12f0e9-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted.html
Source code for langchain.embeddings.self_hosted """Running custom embedding models on self-hosted remote hardware.""" from typing import Any, Callable, List from pydantic import Extra from langchain.embeddings.base import Embeddings from langchain.llms import SelfHostedPipeline def _embed_documents(pipeline: Any, *arg...
b8151c12f0e9-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted.html
model_reqs=["./", "torch", "transformers"], ) Example passing in a pipeline path: .. code-block:: python from langchain.embeddings import SelfHostedHFEmbeddings import runhouse as rh from transformers import pipeline gpu = rh.cluster(name="rh-a10x"...
b8151c12f0e9-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted.html
Args: text: The text to embed. Returns: Embeddings for the text. """ text = text.replace("\n", " ") embeddings = self.client(self.pipeline_ref, text) if not isinstance(embeddings, list): return embeddings.tolist() return embeddings By H...
f95fe7655f4b-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/mosaicml.html
Source code for langchain.embeddings.mosaicml """Wrapper around MosaicML APIs.""" from typing import Any, Dict, List, Mapping, Optional, Tuple import requests from pydantic import BaseModel, Extra, root_validator from langchain.embeddings.base import Embeddings from langchain.utils import get_from_dict_or_env [docs]cla...
f95fe7655f4b-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/mosaicml.html
@root_validator() def validate_environment(cls, values: Dict) -> Dict: """Validate that api key and python package exists in environment.""" mosaicml_api_token = get_from_dict_or_env( values, "mosaicml_api_token", "MOSAICML_API_TOKEN" ) values["mosaicml_api_token"] = mosa...
f95fe7655f4b-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/mosaicml.html
f"Error raised by inference API, no key data: {parsed_response}" ) embeddings = parsed_response["data"] except requests.exceptions.JSONDecodeError as e: raise ValueError( f"Error raised by inference API: {e}.\nResponse: {response.text}" ) ...
6e1c7eb58144-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/sagemaker_endpoint.html
Source code for langchain.embeddings.sagemaker_endpoint """Wrapper around Sagemaker InvokeEndpoint API.""" from typing import Any, Dict, List, Optional from pydantic import BaseModel, Extra, root_validator from langchain.embeddings.base import Embeddings from langchain.llms.sagemaker_endpoint import ContentHandlerBase ...
6e1c7eb58144-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/sagemaker_endpoint.html
client: Any #: :meta private: endpoint_name: str = "" """The name of the endpoint from the deployed Sagemaker model. Must be unique within an AWS Region.""" region_name: str = "" """The aws region where the Sagemaker model is deployed, eg. `us-west-2`.""" credentials_profile_name: Optional[str]...
6e1c7eb58144-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/sagemaker_endpoint.html
endpoint_kwargs: Optional[Dict] = None """Optional attributes passed to the invoke_endpoint function. See `boto3`_. docs for more info. .. _boto3: <https://boto3.amazonaws.com/v1/documentation/api/latest/index.html> """ class Config: """Configuration for this pydantic object.""" extr...
6e1c7eb58144-3
https://python.langchain.com/en/latest/_modules/langchain/embeddings/sagemaker_endpoint.html
_endpoint_kwargs = self.endpoint_kwargs or {} body = self.content_handler.transform_input(texts, _model_kwargs) content_type = self.content_handler.content_type accepts = self.content_handler.accepts # send request try: response = self.client.invoke_endpoint( ...
6e1c7eb58144-4
https://python.langchain.com/en/latest/_modules/langchain/embeddings/sagemaker_endpoint.html
© Copyright 2023, Harrison Chase. Last updated on Jun 04, 2023.
d8b678da9124-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/tensorflow_hub.html
Source code for langchain.embeddings.tensorflow_hub """Wrapper around TensorflowHub embedding models.""" from typing import Any, List from pydantic import BaseModel, Extra from langchain.embeddings.base import Embeddings DEFAULT_MODEL_URL = "https://tfhub.dev/google/universal-sentence-encoder-multilingual/3" [docs]clas...
d8b678da9124-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/tensorflow_hub.html
"""Compute doc embeddings using a TensorflowHub embedding model. Args: texts: The list of texts to embed. Returns: List of embeddings, one for each text. """ texts = list(map(lambda x: x.replace("\n", " "), texts)) embeddings = self.embed(texts).numpy() ...
cffe8d09dd98-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted_hugging_face.html
Source code for langchain.embeddings.self_hosted_hugging_face """Wrapper around HuggingFace embedding models for self-hosted remote hardware.""" import importlib import logging from typing import Any, Callable, List, Optional from langchain.embeddings.self_hosted import SelfHostedEmbeddings DEFAULT_MODEL_NAME = "senten...
cffe8d09dd98-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted_hugging_face.html
"Device has %d GPUs available. " "Provide device={deviceId} to `from_model_id` to use available" "GPUs for execution. deviceId is -1 for CPU and " "can be a positive integer associated with CUDA device id.", cuda_device_count, ) client ...
cffe8d09dd98-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted_hugging_face.html
load_fn_kwargs: Optional[dict] = None """Key word arguments to pass to the model load function.""" inference_fn: Callable = _embed_documents """Inference function to extract the embeddings.""" def __init__(self, **kwargs: Any): """Initialize the remote inference function.""" load_fn_kwar...
cffe8d09dd98-3
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted_hugging_face.html
embed_instruction: str = DEFAULT_EMBED_INSTRUCTION """Instruction to use for embedding documents.""" query_instruction: str = DEFAULT_QUERY_INSTRUCTION """Instruction to use for embedding query.""" model_reqs: List[str] = ["./", "InstructorEmbedding", "torch"] """Requirements to install on hardware ...
cffe8d09dd98-4
https://python.langchain.com/en/latest/_modules/langchain/embeddings/self_hosted_hugging_face.html
return embedding.tolist() By Harrison Chase © Copyright 2023, Harrison Chase. Last updated on Jun 04, 2023.
e96c9d8565d2-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/cohere.html
Source code for langchain.embeddings.cohere """Wrapper around Cohere embedding models.""" from typing import Any, Dict, List, Optional from pydantic import BaseModel, Extra, root_validator from langchain.embeddings.base import Embeddings from langchain.utils import get_from_dict_or_env [docs]class CohereEmbeddings(Base...
e96c9d8565d2-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/cohere.html
"Could not import cohere python package. " "Please install it with `pip install cohere`." ) return values [docs] def embed_documents(self, texts: List[str]) -> List[List[float]]: """Call out to Cohere's embedding endpoint. Args: texts: The list of texts...
7091726dac6b-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/aleph_alpha.html
Source code for langchain.embeddings.aleph_alpha from typing import Any, Dict, List, Optional from pydantic import BaseModel, root_validator from langchain.embeddings.base import Embeddings from langchain.utils import get_from_dict_or_env [docs]class AlephAlphaAsymmetricSemanticEmbedding(BaseModel, Embeddings): """...
7091726dac6b-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/aleph_alpha.html
explicitly been set in the request.""" control_log_additive: Optional[bool] = True """Apply controls on prompt items by adding the log(control_factor) to attention scores.""" aleph_alpha_api_key: Optional[str] = None """API key for Aleph Alpha API.""" @root_validator() def validate_environm...
7091726dac6b-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/aleph_alpha.html
"compress_to_size": self.compress_to_size, "normalize": self.normalize, "contextual_control_threshold": self.contextual_control_threshold, "control_log_additive": self.control_log_additive, } document_request = SemanticEmbeddingRequest(**document_p...
7091726dac6b-3
https://python.langchain.com/en/latest/_modules/langchain/embeddings/aleph_alpha.html
The main difference is that here, both the documents and queries are embedded with a SemanticRepresentation.Symmetric Example: .. code-block:: python from aleph_alpha import AlephAlphaSymmetricSemanticEmbedding embeddings = AlephAlphaAsymmetricSemanticEmbedding() text...
7091726dac6b-4
https://python.langchain.com/en/latest/_modules/langchain/embeddings/aleph_alpha.html
return document_embeddings [docs] def embed_query(self, text: str) -> List[float]: """Call out to Aleph Alpha's asymmetric, query embedding endpoint Args: text: The text to embed. Returns: Embeddings for the text. """ return self._embed(text) By Harriso...
4bc947884bc3-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface.html
Source code for langchain.embeddings.huggingface """Wrapper around HuggingFace embedding models.""" from typing import Any, Dict, List, Optional from pydantic import BaseModel, Extra, Field from langchain.embeddings.base import Embeddings DEFAULT_MODEL_NAME = "sentence-transformers/all-mpnet-base-v2" DEFAULT_INSTRUCT_M...
4bc947884bc3-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface.html
def __init__(self, **kwargs: Any): """Initialize the sentence_transformer.""" super().__init__(**kwargs) try: import sentence_transformers except ImportError as exc: raise ImportError( "Could not import sentence_transformers python package. " ...
4bc947884bc3-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface.html
.. code-block:: python from langchain.embeddings import HuggingFaceInstructEmbeddings model_name = "hkunlp/instructor-large" model_kwargs = {'device': 'cpu'} encode_kwargs = {'normalize_embeddings': True} hf = HuggingFaceInstructEmbeddings( mod...
4bc947884bc3-3
https://python.langchain.com/en/latest/_modules/langchain/embeddings/huggingface.html
[docs] def embed_documents(self, texts: List[str]) -> List[List[float]]: """Compute doc embeddings using a HuggingFace instruct model. Args: texts: The list of texts to embed. Returns: List of embeddings, one for each text. """ instruction_pairs = [[sel...
9b40c83fdf9d-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/fake.html
Source code for langchain.embeddings.fake from typing import List import numpy as np from pydantic import BaseModel from langchain.embeddings.base import Embeddings [docs]class FakeEmbeddings(Embeddings, BaseModel): size: int def _get_embedding(self) -> List[float]: return list(np.random.normal(size=sel...
31d39339d434-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/llamacpp.html
Source code for langchain.embeddings.llamacpp """Wrapper around llama.cpp embedding models.""" from typing import Any, Dict, List, Optional from pydantic import BaseModel, Extra, Field, root_validator from langchain.embeddings.base import Embeddings [docs]class LlamaCppEmbeddings(BaseModel, Embeddings): """Wrapper ...
31d39339d434-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/llamacpp.html
"""Force system to keep model in RAM.""" n_threads: Optional[int] = Field(None, alias="n_threads") """Number of threads to use. If None, the number of threads is automatically determined.""" n_batch: Optional[int] = Field(8, alias="n_batch") """Number of tokens to process in parallel. Should be...
31d39339d434-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/llamacpp.html
"use this embedding model: pip install llama-cpp-python" ) except Exception as e: raise ValueError( f"Could not load Llama model from path: {model_path}. " f"Received error {e}" ) return values [docs] def embed_documents(self, texts:...
c69e259cfa0f-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/minimax.html
Source code for langchain.embeddings.minimax """Wrapper around MiniMax APIs.""" from __future__ import annotations import logging from typing import Any, Callable, Dict, List, Optional import requests from pydantic import BaseModel, Extra, root_validator from tenacity import ( before_sleep_log, retry, stop_...
c69e259cfa0f-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/minimax.html
Example: .. code-block:: python from langchain.embeddings import MiniMaxEmbeddings embeddings = MiniMaxEmbeddings() query_text = "This is a test query." query_result = embeddings.embed_query(query_text) document_text = "This is a test document." ...
c69e259cfa0f-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/minimax.html
payload = { "model": self.model, "type": embed_type, "texts": texts, } # HTTP headers for authorization headers = { "Authorization": f"Bearer {self.minimax_api_key}", "Content-Type": "application/json", } params = { ...
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https://python.langchain.com/en/latest/_modules/langchain/embeddings/minimax.html
Last updated on Jun 04, 2023.
82bf94877461-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
Source code for langchain.embeddings.openai """Wrapper around OpenAI embedding models.""" from __future__ import annotations import logging from typing import ( Any, Callable, Dict, List, Literal, Optional, Sequence, Set, Tuple, Union, ) import numpy as np from pydantic import Ba...
82bf94877461-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
"""Use tenacity to retry the embedding call.""" retry_decorator = _create_retry_decorator(embeddings) @retry_decorator def _embed_with_retry(**kwargs: Any) -> Any: return embeddings.client.create(**kwargs) return _embed_with_retry(**kwargs) [docs]class OpenAIEmbeddings(BaseModel, Embeddings): ...
82bf94877461-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
deployment="your-embeddings-deployment-name", model="your-embeddings-model-name", api_base="https://your-endpoint.openai.azure.com/", api_type="azure", ) text = "This is a test query." query_result = embeddings.embed_query(text) """...
82bf94877461-3
https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
"""Validate that api key and python package exists in environment.""" openai_api_key = get_from_dict_or_env( values, "openai_api_key", "OPENAI_API_KEY" ) openai_api_base = get_from_dict_or_env( values, "openai_api_base", "OPENAI_API_BASE", ...
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https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
openai.proxy = {"http": openai_proxy, "https": openai_proxy} # type: ignore[assignment] # noqa: E501 values["client"] = openai.Embedding except ImportError: raise ImportError( "Could not import openai python package. " "Please install it with `pip instal...
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https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
indices += [i] batched_embeddings = [] _chunk_size = chunk_size or self.chunk_size for i in range(0, len(tokens), _chunk_size): response = embed_with_retry( self, input=tokens[i : i + _chunk_size], engine=self.deployment, ...
82bf94877461-6
https://python.langchain.com/en/latest/_modules/langchain/embeddings/openai.html
# See: https://github.com/openai/openai-python/issues/418#issuecomment-1525939500 # replace newlines, which can negatively affect performance. text = text.replace("\n", " ") return embed_with_retry( self, input=[text], engine=en...
7ebbd3450080-0
https://python.langchain.com/en/latest/_modules/langchain/embeddings/elasticsearch.html
Source code for langchain.embeddings.elasticsearch from __future__ import annotations from typing import TYPE_CHECKING, List, Optional from langchain.utils import get_from_env if TYPE_CHECKING: from elasticsearch import Elasticsearch from elasticsearch.client import MlClient from langchain.embeddings.base impor...
7ebbd3450080-1
https://python.langchain.com/en/latest/_modules/langchain/embeddings/elasticsearch.html
es_password: Optional[str] = None, input_field: str = "text_field", ) -> ElasticsearchEmbeddings: """Instantiate embeddings from Elasticsearch credentials. Args: model_id (str): The model_id of the model deployed in the Elasticsearch cluster. input_fie...
7ebbd3450080-2
https://python.langchain.com/en/latest/_modules/langchain/embeddings/elasticsearch.html
"elasticsearch'" ) es_cloud_id = es_cloud_id or get_from_env("es_cloud_id", "ES_CLOUD_ID") es_user = es_user or get_from_env("es_user", "ES_USER") es_password = es_password or get_from_env("es_password", "ES_PASSWORD") # Connect to Elasticsearch es_connection = Elasti...