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_YieldFrom
self.write('(') self.write('yield from') if t.value: self.write(' ') self.dispatch(t.value) self.write(')')
def _YieldFrom(self, t): self.write('(') self.write('yield from') if t.value: self.write(' ') self.dispatch(t.value) self.write(')')
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get_table_info
all_table_names = self.get_usable_table_names() if table_names is not None: missing_tables = set(table_names).difference(all_table_names) if missing_tables: raise ValueError(f'table_names {missing_tables} not found in database') all_table_names = table_names tables = [] for table_name in all_table_n...
def get_table_info(self, table_names: Optional[List[str]]=None) ->str: all_table_names = self.get_usable_table_names() if table_names is not None: missing_tables = set(table_names).difference(all_table_names) if missing_tables: raise ValueError( f'table_names {missing...
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_body
model_kwargs = self.model_kwargs or {} model_kwargs = {**model_kwargs, **kwargs} return {'input': prompt, **model_kwargs}
def _body(self, prompt: str, kwargs: Any) ->Dict: model_kwargs = self.model_kwargs or {} model_kwargs = {**model_kwargs, **kwargs} return {'input': prompt, **model_kwargs}
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_Dict
self.write('{') def write_key_value_pair(k, v): self.dispatch(k) self.write(': ') self.dispatch(v) def write_item(item): k, v = item if k is None: self.write('**') self.dispatch(v) else: write_key_value_pair(k, v) interleave(lambda : self.write(', '), write_item, zip(t.ke...
def _Dict(self, t): self.write('{') def write_key_value_pair(k, v): self.dispatch(k) self.write(': ') self.dispatch(v) def write_item(item): k, v = item if k is None: self.write('**') self.dispatch(v) else: write_key_value...
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_parse_response
if len(json_data) == 1: result = self._parse_json(json_data[0]) else: for entry in json_data: if entry.get('provider') == 'eden-ai': result = self._parse_json(entry) return result
def _parse_response(self, json_data: list) ->str: if len(json_data) == 1: result = self._parse_json(json_data[0]) else: for entry in json_data: if entry.get('provider') == 'eden-ai': result = self._parse_json(entry) return result
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test_all_imports
assert sorted(EXPECTED_ALL) == sorted(__all__)
def test_all_imports() ->None: assert sorted(EXPECTED_ALL) == sorted(__all__)
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add_texts
"""Run more texts through the embeddings and add to the vectorstore. Args: texts: Iterable of strings to add to the vectorstore. metadatas: Optional list of metadatas associated with the texts. Returns: List of ids from adding the texts into the vectorstore. ...
def add_texts(self, texts: Iterable[str], metadatas: Optional[List[Dict[Any, Any]]]=None, **kwargs: Any) ->List[str]: """Run more texts through the embeddings and add to the vectorstore. Args: texts: Iterable of strings to add to the vectorstore. metadatas: Optional list of meta...
Run more texts through the embeddings and add to the vectorstore. Args: texts: Iterable of strings to add to the vectorstore. metadatas: Optional list of metadatas associated with the texts. Returns: List of ids from adding the texts into the vectorstore.
_import_powerbi_tool_ListPowerBITool
from langchain_community.tools.powerbi.tool import ListPowerBITool return ListPowerBITool
def _import_powerbi_tool_ListPowerBITool() ->Any: from langchain_community.tools.powerbi.tool import ListPowerBITool return ListPowerBITool
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test_openai_streaming_multiple_prompts_error
"""Test validation for streaming fails if multiple prompts are given.""" with pytest.raises(ValueError): OpenAI(streaming=True).generate(["I'm Pickle Rick", "I'm Pickle Rick"])
def test_openai_streaming_multiple_prompts_error() ->None: """Test validation for streaming fails if multiple prompts are given.""" with pytest.raises(ValueError): OpenAI(streaming=True).generate(["I'm Pickle Rick", "I'm Pickle Rick"])
Test validation for streaming fails if multiple prompts are given.
format_docs
return '\n\n'.join(f"""Source {i}: {doc.page_content}""" for i, doc in enumerate(docs))
def format_docs(docs): return '\n\n'.join(f'Source {i}:\n{doc.page_content}' for i, doc in enumerate(docs))
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parse_result
if len(result) != 1: raise OutputParserException( f'Expected exactly one result, but got {len(result)}') generation = result[0] if not isinstance(generation, ChatGeneration): raise OutputParserException( 'This output parser can only be used with a chat generation.') message = generation.message ...
def parse_result(self, result: List[Generation], *, partial: bool=False) ->Any: if len(result) != 1: raise OutputParserException( f'Expected exactly one result, but got {len(result)}') generation = result[0] if not isinstance(generation, ChatGeneration): raise OutputParserExcepti...
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lazy_parse
"""Lazily parse the blob.""" import fitz with blob.as_bytes_io() as file_path: if blob.data is None: doc = fitz.open(file_path) else: doc = fitz.open(stream=file_path, filetype='pdf') yield from [Document(page_content=page.get_text(**self.text_kwargs) + self._extract_images_from_page...
def lazy_parse(self, blob: Blob) ->Iterator[Document]: """Lazily parse the blob.""" import fitz with blob.as_bytes_io() as file_path: if blob.data is None: doc = fitz.open(file_path) else: doc = fitz.open(stream=file_path, filetype='pdf') yield from [Document(...
Lazily parse the blob.
test_openai_llm_output_contains_model_name
"""Test llm_output contains model_name.""" llm = OpenAI(max_tokens=10) llm_result = llm.generate(['Hello, how are you?']) assert llm_result.llm_output is not None assert llm_result.llm_output['model_name'] == llm.model_name
def test_openai_llm_output_contains_model_name() ->None: """Test llm_output contains model_name.""" llm = OpenAI(max_tokens=10) llm_result = llm.generate(['Hello, how are you?']) assert llm_result.llm_output is not None assert llm_result.llm_output['model_name'] == llm.model_name
Test llm_output contains model_name.
_headers
return {'Authorization': f'bearer {self.deepinfra_api_token}', 'Content-Type': 'application/json'}
def _headers(self) ->Dict: return {'Authorization': f'bearer {self.deepinfra_api_token}', 'Content-Type': 'application/json'}
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_call
"""Call out to Aviary Args: prompt: The prompt to pass into the model. Returns: The string generated by the model. Example: .. code-block:: python response = aviary("Tell me a joke.") """ kwargs = {'use_prompt_format': self.use_promp...
def _call(self, prompt: str, stop: Optional[List[str]]=None, run_manager: Optional[CallbackManagerForLLMRun]=None, **kwargs: Any) ->str: """Call out to Aviary Args: prompt: The prompt to pass into the model. Returns: The string generated by the model. Example: ...
Call out to Aviary Args: prompt: The prompt to pass into the model. Returns: The string generated by the model. Example: .. code-block:: python response = aviary("Tell me a joke.")
__init__
"""Initialize the sentence_transformer.""" super().__init__(**kwargs) try: import sentence_transformers except ImportError as exc: raise ImportError( 'Could not import sentence_transformers python package. Please install it with `pip install sentence-transformers`.' ) from exc self.client = sent...
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. Please install it with `pip install...
Initialize the sentence_transformer.
test_loading_few_shot_prompt_example_prompt
"""Test loading few shot when the example prompt is in its own file.""" with change_directory(EXAMPLE_DIR): prompt = load_prompt('few_shot_prompt_example_prompt.json') expected_prompt = FewShotPromptTemplate(input_variables=['adjective'], prefix='Write antonyms for the following words.', example_prompt=...
def test_loading_few_shot_prompt_example_prompt() ->None: """Test loading few shot when the example prompt is in its own file.""" with change_directory(EXAMPLE_DIR): prompt = load_prompt('few_shot_prompt_example_prompt.json') expected_prompt = FewShotPromptTemplate(input_variables=[ ...
Test loading few shot when the example prompt is in its own file.
test_pgvector_with_filter_distant_match
"""Test end to end construction and search.""" texts = ['foo', 'bar', 'baz'] metadatas = [{'page': str(i)} for i in range(len(texts))] docsearch = PGVector.from_texts(texts=texts, collection_name= 'test_collection_filter', embedding=FakeEmbeddingsWithAdaDimension(), metadatas=metadatas, connection_string=CONNEC...
def test_pgvector_with_filter_distant_match() ->None: """Test end to end construction and search.""" texts = ['foo', 'bar', 'baz'] metadatas = [{'page': str(i)} for i in range(len(texts))] docsearch = PGVector.from_texts(texts=texts, collection_name= 'test_collection_filter', embedding=FakeEmbed...
Test end to end construction and search.
_validate_outputs
super()._validate_outputs(outputs) if not isinstance(outputs['next_inputs'], dict): raise ValueError
def _validate_outputs(self, outputs: Dict[str, Any]) ->None: super()._validate_outputs(outputs) if not isinstance(outputs['next_inputs'], dict): raise ValueError
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test_func_call_oldstyle
act = json.dumps([{'action_name': 'foo', 'action': {'__arg1': '42'}}]) msg = AIMessage(content='LLM thoughts.', additional_kwargs={'function_call': {'name': 'foo', 'arguments': f'{{"actions": {act}}}'}}) result = _parse_ai_message(msg) assert isinstance(result, list) assert len(result) == 1 action = result[0] asser...
def test_func_call_oldstyle(self) ->None: act = json.dumps([{'action_name': 'foo', 'action': {'__arg1': '42'}}]) msg = AIMessage(content='LLM thoughts.', additional_kwargs={ 'function_call': {'name': 'foo', 'arguments': f'{{"actions": {act}}}'}} ) result = _parse_ai_message(msg) assert i...
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_async_retry_decorator
import openai async_retrying = AsyncRetrying(reraise=True, stop=stop_after_attempt( embeddings.max_retries), wait=wait_exponential(multiplier=1, min= embeddings.retry_min_seconds, max=embeddings.retry_max_seconds), retry= retry_if_exception_type(openai.error.Timeout) | retry_if_exception_type (openai.er...
def _async_retry_decorator(embeddings: OpenAIEmbeddings) ->Any: import openai async_retrying = AsyncRetrying(reraise=True, stop=stop_after_attempt( embeddings.max_retries), wait=wait_exponential(multiplier=1, min= embeddings.retry_min_seconds, max=embeddings.retry_max_seconds), retry=ret...
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test_graph_sequence
fake_llm = FakeListLLM(responses=['a']) prompt = PromptTemplate.from_template('Hello, {name}!') list_parser = CommaSeparatedListOutputParser() sequence = prompt | fake_llm | list_parser graph = sequence.get_graph() assert graph.draw_ascii() == snapshot
def test_graph_sequence(snapshot: SnapshotAssertion) ->None: fake_llm = FakeListLLM(responses=['a']) prompt = PromptTemplate.from_template('Hello, {name}!') list_parser = CommaSeparatedListOutputParser() sequence = prompt | fake_llm | list_parser graph = sequence.get_graph() assert graph.draw_as...
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__iter__
yield from self._children
def __iter__(self) ->Iterator[Iterator[T]]: yield from self._children
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__deepcopy__
"""Return a deep copy of the callback handler.""" return self
def __deepcopy__(self, memo: Any) ->'OpenAICallbackHandler': """Return a deep copy of the callback handler.""" return self
Return a deep copy of the callback handler.
on_chain_end
self.on_chain_end_common()
def on_chain_end(self, *args: Any, **kwargs: Any) ->Any: self.on_chain_end_common()
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validate_chains
"""Validate that the correct inputs exist for all chains.""" chains = values['chains'] input_variables = values['input_variables'] memory_keys = list() if 'memory' in values and values['memory'] is not None: """Validate that prompt input variables are consistent.""" memory_keys = values['memory'].memory_variabl...
@root_validator(pre=True) def validate_chains(cls, values: Dict) ->Dict: """Validate that the correct inputs exist for all chains.""" chains = values['chains'] input_variables = values['input_variables'] memory_keys = list() if 'memory' in values and values['memory'] is not None: """Validate...
Validate that the correct inputs exist for all chains.
is_lc_serializable
return False
@classmethod def is_lc_serializable(cls) ->bool: return False
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embed_documents
"""Embed search docs.""" return [i.embedding for i in self._client.embeddings.create(input=texts, model=self.model).data]
def embed_documents(self, texts: List[str]) ->List[List[float]]: """Embed search docs.""" return [i.embedding for i in self._client.embeddings.create(input=texts, model=self.model).data]
Embed search docs.
_run
script = strip_markdown_code(python_code) resp = requests.post('https://exec.bearly.ai/v1/interpreter', data=json. dumps({'fileContents': script, 'inputFiles': self.make_input_files(), 'outputDir': 'output/', 'outputAsLinks': True}), headers={ 'Authorization': self.api_key}).json() return {'stdout': base64....
def _run(self, python_code: str) ->dict: script = strip_markdown_code(python_code) resp = requests.post('https://exec.bearly.ai/v1/interpreter', data=json .dumps({'fileContents': script, 'inputFiles': self.make_input_files (), 'outputDir': 'output/', 'outputAsLinks': True}), headers={ 'A...
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run
"""Run query through Google Trends with Serpapi""" serpapi_api_key = cast(SecretStr, self.serp_api_key) params = {'engine': 'google_jobs', 'api_key': serpapi_api_key. get_secret_value(), 'q': query} total_results = [] client = self.serp_search_engine(params) total_results = client.get_dict()['jobs_results'] res_str...
def run(self, query: str) ->str: """Run query through Google Trends with Serpapi""" serpapi_api_key = cast(SecretStr, self.serp_api_key) params = {'engine': 'google_jobs', 'api_key': serpapi_api_key. get_secret_value(), 'q': query} total_results = [] client = self.serp_search_engine(params) ...
Run query through Google Trends with Serpapi
test_extract_sub_links_exclude
html = ( '<a href="https://foobar.com">one</a><a href="http://baz.net">two</a><a href="//foobar.com/hello">three</a><a href="/how/are/you/doing">four</a><a href="alexis.html"</a>' ) expected = sorted(['http://baz.net', 'https://foobar.com', 'https://foobar.com/hello', 'https://foobar.com/hello/alexis.html']...
def test_extract_sub_links_exclude() ->None: html = ( '<a href="https://foobar.com">one</a><a href="http://baz.net">two</a><a href="//foobar.com/hello">three</a><a href="/how/are/you/doing">four</a><a href="alexis.html"</a>' ) expected = sorted(['http://baz.net', 'https://foobar.com', 'h...
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__query_cluster
"""Query the BagelDB cluster based on the provided parameters.""" try: import bagel except ImportError: raise ImportError('Please install bagel `pip install betabageldb`.') return self._cluster.find(query_texts=query_texts, query_embeddings= query_embeddings, n_results=n_results, where=where, **kwargs)
@xor_args(('query_texts', 'query_embeddings')) def __query_cluster(self, query_texts: Optional[List[str]]=None, query_embeddings: Optional[List[List[float]]]=None, n_results: int=4, where: Optional[Dict[str, str]]=None, **kwargs: Any) ->List[Document]: """Query the BagelDB cluster based on the provided para...
Query the BagelDB cluster based on the provided parameters.
get_lc_namespace
"""Get the namespace of the langchain object.""" return ['langchain', 'chat_models', 'openai']
@classmethod def get_lc_namespace(cls) ->List[str]: """Get the namespace of the langchain object.""" return ['langchain', 'chat_models', 'openai']
Get the namespace of the langchain object.
_load_sql_database_chain
from langchain_experimental.sql import SQLDatabaseChain if 'database' in kwargs: database = kwargs.pop('database') else: raise ValueError('`database` must be present.') if 'llm_chain' in config: llm_chain_config = config.pop('llm_chain') chain = load_chain_from_config(llm_chain_config) return SQLDat...
def _load_sql_database_chain(config: dict, **kwargs: Any) ->Any: from langchain_experimental.sql import SQLDatabaseChain if 'database' in kwargs: database = kwargs.pop('database') else: raise ValueError('`database` must be present.') if 'llm_chain' in config: llm_chain_config = c...
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test_pickbest_textembedder_w_full_label_no_emb
feature_embedder = pick_best_chain.PickBestFeatureEmbedder(auto_embed=False, model=MockEncoder()) named_actions = {'action1': ['0', '1', '2']} expected = """shared |context context 0:-0.0:1.0 |action1 0 |action1 1 |action1 2 """ selected = pick_best_chain.PickBestSelected(index=0, probability=1.0, score=0.0 ...
@pytest.mark.requires('vowpal_wabbit_next') def test_pickbest_textembedder_w_full_label_no_emb() ->None: feature_embedder = pick_best_chain.PickBestFeatureEmbedder(auto_embed= False, model=MockEncoder()) named_actions = {'action1': ['0', '1', '2']} expected = ( 'shared |context context \n0:-...
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__init__
confluence_kwargs = confluence_kwargs or {} errors = ConfluenceLoader.validate_init_args(url=url, api_key=api_key, username=username, session=session, oauth2=oauth2, token=token) if errors: raise ValueError(f'Error(s) while validating input: {errors}') try: from atlassian import Confluence except ImportErro...
def __init__(self, url: str, api_key: Optional[str]=None, username: Optional[str]=None, session: Optional[requests.Session]=None, oauth2: Optional[dict]=None, token: Optional[str]=None, cloud: Optional[bool]= True, number_of_retries: Optional[int]=3, min_retry_seconds: Optional[ int]=2, max_retry_second...
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get_lc_namespace
"""Get the namespace of the langchain object.""" return ['langchain', 'schema', 'runnable']
@classmethod def get_lc_namespace(cls) ->List[str]: """Get the namespace of the langchain object.""" return ['langchain', 'schema', 'runnable']
Get the namespace of the langchain object.
__getattr__
"""Raise an error on import since is deprecated.""" raise ImportError( 'This module has been moved to langchain-experimental. For more details: https://github.com/langchain-ai/langchain/discussions/11352.To access this code, install it with `pip install langchain-experimental`.`from langchain_experimental.llm_bash....
def __getattr__(name: str='') ->None: """Raise an error on import since is deprecated.""" raise ImportError( 'This module has been moved to langchain-experimental. For more details: https://github.com/langchain-ai/langchain/discussions/11352.To access this code, install it with `pip install langchain-ex...
Raise an error on import since is deprecated.
_format_chat_history
buffer = [] for human, ai in chat_history: buffer.append(HumanMessage(content=human)) buffer.append(AIMessage(content=ai)) return buffer
def _format_chat_history(chat_history: List[Tuple[str, str]]): buffer = [] for human, ai in chat_history: buffer.append(HumanMessage(content=human)) buffer.append(AIMessage(content=ai)) return buffer
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_llm_type
"""Return the type of chat model.""" return 'zhipuai'
@property def _llm_type(self) ->str: """Return the type of chat model.""" return 'zhipuai'
Return the type of chat model.
test_callback_manager_configure_context_vars
"""Test callback manager configuration.""" monkeypatch.setenv('LANGCHAIN_TRACING_V2', 'true') monkeypatch.setenv('LANGCHAIN_TRACING', 'false') with patch.object(LangChainTracer, '_update_run_single'): with patch.object(LangChainTracer, '_persist_run_single'): with trace_as_chain_group('test') as group_manag...
def test_callback_manager_configure_context_vars(monkeypatch: pytest. MonkeyPatch) ->None: """Test callback manager configuration.""" monkeypatch.setenv('LANGCHAIN_TRACING_V2', 'true') monkeypatch.setenv('LANGCHAIN_TRACING', 'false') with patch.object(LangChainTracer, '_update_run_single'): ...
Test callback manager configuration.
_import_stochasticai
from langchain_community.llms.stochasticai import StochasticAI return StochasticAI
def _import_stochasticai() ->Any: from langchain_community.llms.stochasticai import StochasticAI return StochasticAI
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_get_channel
try: import grpc except ImportError: raise ValueError( 'Could not import grpcio python package. Please install it with `pip install grpcio`.' ) return grpc.secure_channel(self.target, self.grpc_credentials, options=self .grpc_options) if self.grpc_use_secure else grpc.insecure_channel(self. ...
def _get_channel(self) ->Any: try: import grpc except ImportError: raise ValueError( 'Could not import grpcio python package. Please install it with `pip install grpcio`.' ) return grpc.secure_channel(self.target, self.grpc_credentials, options= self.grpc_opti...
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test_python_code_splitter
splitter = RecursiveCharacterTextSplitter.from_language(Language.PYTHON, chunk_size=CHUNK_SIZE, chunk_overlap=0) code = """ def hello_world(): print("Hello, World!") # Call the function hello_world() """ chunks = splitter.split_text(code) assert chunks == ['def', 'hello_world():', 'print("Hello,', 'World!"...
def test_python_code_splitter() ->None: splitter = RecursiveCharacterTextSplitter.from_language(Language.PYTHON, chunk_size=CHUNK_SIZE, chunk_overlap=0) code = """ def hello_world(): print("Hello, World!") # Call the function hello_world() """ chunks = splitter.split_text(code) assert c...
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_on_tool_error
"""Process the Tool Run upon error."""
def _on_tool_error(self, run: Run) ->None: """Process the Tool Run upon error."""
Process the Tool Run upon error.
elasticsearch_connection
from elasticsearch import Elasticsearch es_url = os.environ.get('ES_URL', 'http://localhost:9200') es_cloud_id = os.environ.get('ES_CLOUD_ID') es_username = os.environ.get('ES_USERNAME', 'elastic') es_password = os.environ.get('ES_PASSWORD', 'changeme') if es_cloud_id: es = Elasticsearch(cloud_id=es_cloud_id, basic...
@pytest.fixture(scope='class', autouse=True) def elasticsearch_connection(self) ->Union[dict, Generator[dict, None, None]]: from elasticsearch import Elasticsearch es_url = os.environ.get('ES_URL', 'http://localhost:9200') es_cloud_id = os.environ.get('ES_CLOUD_ID') es_username = os.environ.get('ES_USER...
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_get_tool_classes
results = [] for tool_class_name in tools_all: if tool_class_name in _DEPRECATED_TOOLS: continue tool_class = getattr(langchain_community.tools, tool_class_name) if isinstance(tool_class, type) and issubclass(tool_class, BaseTool): if tool_class in _EXCLUDE: continue if s...
def _get_tool_classes(skip_tools_without_default_names: bool) ->List[Type[ BaseTool]]: results = [] for tool_class_name in tools_all: if tool_class_name in _DEPRECATED_TOOLS: continue tool_class = getattr(langchain_community.tools, tool_class_name) if isinstance(tool_clas...
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with_listeners
""" Bind lifecycle listeners to a Runnable, returning a new Runnable. on_start: Called before the runnable starts running, with the Run object. on_end: Called after the runnable finishes running, with the Run object. on_error: Called if the runnable throws an error, with the Run object....
def with_listeners(self, *, on_start: Optional[Listener]=None, on_end: Optional[Listener]=None, on_error: Optional[Listener]=None) ->Runnable[ Input, Output]: """ Bind lifecycle listeners to a Runnable, returning a new Runnable. on_start: Called before the runnable starts running, with the ...
Bind lifecycle listeners to a Runnable, returning a new Runnable. on_start: Called before the runnable starts running, with the Run object. on_end: Called after the runnable finishes running, with the Run object. on_error: Called if the runnable throws an error, with the Run object. The Run object contains informatio...
gen_indexes
for i in range(next(length_iter)): yield i
def gen_indexes(length_iter: Iterator[int]) ->Iterator[int]: for i in range(next(length_iter)): yield i
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test_all_imports
assert set(__all__) == set(EXPECTED_ALL)
def test_all_imports() ->None: assert set(__all__) == set(EXPECTED_ALL)
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get_tools
"""Get the tools in the toolkit.""" return [QuerySparkSQLTool(db=self.db), InfoSparkSQLTool(db=self.db), ListSparkSQLTool(db=self.db), QueryCheckerTool(db=self.db, llm=self.llm)]
def get_tools(self) ->List[BaseTool]: """Get the tools in the toolkit.""" return [QuerySparkSQLTool(db=self.db), InfoSparkSQLTool(db=self.db), ListSparkSQLTool(db=self.db), QueryCheckerTool(db=self.db, llm=self .llm)]
Get the tools in the toolkit.
_llm_type
"""Return type of llm.""" return 'vllm'
@property def _llm_type(self) ->str: """Return type of llm.""" return 'vllm'
Return type of llm.
transform_input
return {'inputs': prompt, 'parameters': model_kwargs}
@classmethod def transform_input(cls, prompt: str, model_kwargs: Dict[str, Any]) ->Dict[ str, Any]: return {'inputs': prompt, 'parameters': model_kwargs}
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__init__
"""Initialize Alibaba Cloud MaxCompute document loader. Args: query: SQL query to execute. api_wrapper: MaxCompute API wrapper. page_content_columns: The columns to write into the `page_content` of the Document. If unspecified, all columns will be written to ...
def __init__(self, query: str, api_wrapper: MaxComputeAPIWrapper, *, page_content_columns: Optional[Sequence[str]]=None, metadata_columns: Optional[Sequence[str]]=None): """Initialize Alibaba Cloud MaxCompute document loader. Args: query: SQL query to execute. api_wrapper: M...
Initialize Alibaba Cloud MaxCompute document loader. Args: query: SQL query to execute. api_wrapper: MaxCompute API wrapper. page_content_columns: The columns to write into the `page_content` of the Document. If unspecified, all columns will be written to `page_content`. metadata_columns: The c...
__init__
self.loads: Set[str] = set() self.stores: Set[str] = set()
def __init__(self) ->None: self.loads: Set[str] = set() self.stores: Set[str] = set()
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save
"""Saves the data to the persist_path"""
@abstractmethod def save(self, data: Any) ->None: """Saves the data to the persist_path"""
Saves the data to the persist_path
_run
"""Use the PubMed tool.""" return self.api_wrapper.run(query)
def _run(self, query: str, run_manager: Optional[CallbackManagerForToolRun] =None) ->str: """Use the PubMed tool.""" return self.api_wrapper.run(query)
Use the PubMed tool.
list_files_in_bot_branch
""" Fetches all files in the active branch of the repo, the branch the bot uses to make changes. Returns: str: A plaintext list containing the the filepaths in the branch. """ files: List[str] = [] try: contents = self.github_repo_instance.get_contents('', ref=self. ...
def list_files_in_bot_branch(self) ->str: """ Fetches all files in the active branch of the repo, the branch the bot uses to make changes. Returns: str: A plaintext list containing the the filepaths in the branch. """ files: List[str] = [] try: contents =...
Fetches all files in the active branch of the repo, the branch the bot uses to make changes. Returns: str: A plaintext list containing the the filepaths in the branch.
_run
"""Use the tool.""" if self.sync_browser is None: raise ValueError(f'Synchronous browser not provided to {self.name}') page = get_current_page(self.sync_browser) return str(page.url)
def _run(self, run_manager: Optional[CallbackManagerForToolRun]=None) ->str: """Use the tool.""" if self.sync_browser is None: raise ValueError(f'Synchronous browser not provided to {self.name}') page = get_current_page(self.sync_browser) return str(page.url)
Use the tool.
get
"""Return docs according ids. Args: ids: The ids of the embedding vectors. Returns: Documents which satisfy the input conditions. """ results: Dict[str, Document] = {} if ids is None or ids.__len__() == 0: return results if self.flag: query_data = {'query': {'ids...
def get(self, ids: Optional[List[str]]=None, **kwargs: Any) ->Dict[str, Document]: """Return docs according ids. Args: ids: The ids of the embedding vectors. Returns: Documents which satisfy the input conditions. """ results: Dict[str, Document] = {} if i...
Return docs according ids. Args: ids: The ids of the embedding vectors. Returns: Documents which satisfy the input conditions.
get_collection
return self.CollectionStore.get_by_name(session, self.collection_name)
def get_collection(self, session: Session) ->Any: return self.CollectionStore.get_by_name(session, self.collection_name)
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test_default_call
"""Test default model call.""" chat = ChatZhipuAI() response = chat(messages=[HumanMessage(content='Hello')]) assert isinstance(response, BaseMessage) assert isinstance(response.content, str)
def test_default_call() ->None: """Test default model call.""" chat = ChatZhipuAI() response = chat(messages=[HumanMessage(content='Hello')]) assert isinstance(response, BaseMessage) assert isinstance(response.content, str)
Test default model call.
_mathpix_headers
return {'app_id': self.mathpix_api_id, 'app_key': self.mathpix_api_key}
@property def _mathpix_headers(self) ->Dict[str, str]: return {'app_id': self.mathpix_api_id, 'app_key': self.mathpix_api_key}
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test_handles_empty_input_list
output = format_to_openai_tool_messages([]) assert output == []
def test_handles_empty_input_list() ->None: output = format_to_openai_tool_messages([]) assert output == []
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_invocation_params
"""Get the parameters used to invoke the model.""" jinachat_creds: Dict[str, Any] = {'api_key': self.jinachat_api_key and self .jinachat_api_key.get_secret_value(), 'api_base': 'https://api.chat.jina.ai/v1', 'model': 'jinachat'} return {**jinachat_creds, **self._default_params}
@property def _invocation_params(self) ->Mapping[str, Any]: """Get the parameters used to invoke the model.""" jinachat_creds: Dict[str, Any] = {'api_key': self.jinachat_api_key and self.jinachat_api_key.get_secret_value(), 'api_base': 'https://api.chat.jina.ai/v1', 'model': 'jinachat'} retu...
Get the parameters used to invoke the model.
memory_variables
"""Will always return list of memory variables. :meta private: """ return ['entities', self.chat_history_key]
@property def memory_variables(self) ->List[str]: """Will always return list of memory variables. :meta private: """ return ['entities', self.chat_history_key]
Will always return list of memory variables. :meta private:
count_matching_files
"""Count files that match the pattern without loading them.""" num = 0 for _ in self._yield_paths(): num += 1 return num
def count_matching_files(self) ->int: """Count files that match the pattern without loading them.""" num = 0 for _ in self._yield_paths(): num += 1 return num
Count files that match the pattern without loading them.
similarity_search
"""Perform a similarity search with ClickHouse Args: query (str): query string k (int, optional): Top K neighbors to retrieve. Defaults to 4. where_str (Optional[str], optional): where condition string. Defaults to None. ...
def similarity_search(self, query: str, k: int=4, where_str: Optional[str]= None, **kwargs: Any) ->List[Document]: """Perform a similarity search with ClickHouse Args: query (str): query string k (int, optional): Top K neighbors to retrieve. Defaults to 4. where_str ...
Perform a similarity search with ClickHouse Args: query (str): query string k (int, optional): Top K neighbors to retrieve. Defaults to 4. where_str (Optional[str], optional): where condition string. Defaults to None. NOTE: Please do not let end-user to fill th...
_run
"""Use the tool.""" available_tool_names_str = ', '.join([tool for tool in available_tool_names]) return f'{requested_tool_name} is not a valid tool, try one of [{available_tool_names_str}].'
def _run(self, requested_tool_name: str, available_tool_names: List[str], run_manager: Optional[CallbackManagerForToolRun]=None) ->str: """Use the tool.""" available_tool_names_str = ', '.join([tool for tool in available_tool_names]) return ( f'{requested_tool_name} is not a valid tool, ...
Use the tool.
_call
headers: Dict = {'Authorization': cast(SecretStr, self.cerebriumai_api_key) .get_secret_value(), 'Content-Type': 'application/json'} params = self.model_kwargs or {} payload = {'prompt': prompt, **params, **kwargs} response = requests.post(self.endpoint_url, json=payload, headers=headers) if response.status_code ==...
def _call(self, prompt: str, stop: Optional[List[str]]=None, run_manager: Optional[CallbackManagerForLLMRun]=None, **kwargs: Any) ->str: headers: Dict = {'Authorization': cast(SecretStr, self. cerebriumai_api_key).get_secret_value(), 'Content-Type': 'application/json'} params = self.model_kw...
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_get_relevant_documents
query_dict = {'query': {'match': {'content': query}}} res = self.client.search(index=self.index_name, body=query_dict) docs = [] for r in res['hits']['hits']: docs.append(Document(page_content=r['_source']['content'])) return docs
def _get_relevant_documents(self, query: str, *, run_manager: CallbackManagerForRetrieverRun) ->List[Document]: query_dict = {'query': {'match': {'content': query}}} res = self.client.search(index=self.index_name, body=query_dict) docs = [] for r in res['hits']['hits']: docs.append(Document(...
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get_default_host
"""Gets the default Databricks workspace hostname. Raises an error if the hostname cannot be automatically determined. """ host = os.getenv('DATABRICKS_HOST') if not host: try: host = get_repl_context().browserHostName if not host: raise ValueError("context doesn't contain browse...
def get_default_host() ->str: """Gets the default Databricks workspace hostname. Raises an error if the hostname cannot be automatically determined. """ host = os.getenv('DATABRICKS_HOST') if not host: try: host = get_repl_context().browserHostName if not host: ...
Gets the default Databricks workspace hostname. Raises an error if the hostname cannot be automatically determined.
__set_name__
nonlocal _name if _name == '<lambda>': _name = set_name
def __set_name__(self, owner, set_name): nonlocal _name if _name == '<lambda>': _name = set_name
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_run
"""Use the tool.""" if self.sync_browser is None: raise ValueError(f'Synchronous browser not provided to {self.name}') page = get_current_page(self.sync_browser) results = _get_elements(page, selector, attributes) return json.dumps(results, ensure_ascii=False)
def _run(self, selector: str, attributes: Sequence[str]=['innerText'], run_manager: Optional[CallbackManagerForToolRun]=None) ->str: """Use the tool.""" if self.sync_browser is None: raise ValueError(f'Synchronous browser not provided to {self.name}') page = get_current_page(self.sync_browser) ...
Use the tool.
_import_file_management_MoveFileTool
from langchain_community.tools.file_management import MoveFileTool return MoveFileTool
def _import_file_management_MoveFileTool() ->Any: from langchain_community.tools.file_management import MoveFileTool return MoveFileTool
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resize_base64_image
""" Resize an image encoded as a Base64 string. :param base64_string: A Base64 encoded string of the image to be resized. :param size: A tuple representing the new size (width, height) for the image. :return: A Base64 encoded string of the resized image. """ img_data = base64.b64decode(base64_strin...
def resize_base64_image(base64_string, size=(128, 128)): """ Resize an image encoded as a Base64 string. :param base64_string: A Base64 encoded string of the image to be resized. :param size: A tuple representing the new size (width, height) for the image. :return: A Base64 encoded string of the re...
Resize an image encoded as a Base64 string. :param base64_string: A Base64 encoded string of the image to be resized. :param size: A tuple representing the new size (width, height) for the image. :return: A Base64 encoded string of the resized image.
_import_python
from langchain_community.utilities.python import PythonREPL return PythonREPL
def _import_python() ->Any: from langchain_community.utilities.python import PythonREPL return PythonREPL
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test_multiline_output_parsing
_test_convo_output( """ Thought: Do I need to use a tool? Yes Action: evaluate_code Action Input: Evaluate Code with the following Python content: ```python print("Hello fifty shades of gray mans!"[::-1]) ``` """ , 'evaluate_code', """ Evaluate Code with the following Python content: ```python print("Hello ...
def test_multiline_output_parsing() ->None: _test_convo_output( """ Thought: Do I need to use a tool? Yes Action: evaluate_code Action Input: Evaluate Code with the following Python content: ```python print("Hello fifty shades of gray mans!"[::-1]) ``` """ , 'evaluate_code', """ Evaluate Cod...
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save_context
"""Save context from this conversation to buffer.""" documents = self._form_documents(inputs, outputs) self.retriever.add_documents(documents)
def save_context(self, inputs: Dict[str, Any], outputs: Dict[str, str]) ->None: """Save context from this conversation to buffer.""" documents = self._form_documents(inputs, outputs) self.retriever.add_documents(documents)
Save context from this conversation to buffer.
_llm_type
return 'yandex_gpt'
@property def _llm_type(self) ->str: return 'yandex_gpt'
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similarity_search
""" Return Jaguar documents most similar to query, along with scores. Args: query: Text to look up documents similar to. k: Number of Documents to return. Defaults to 5. where: the where clause in select similarity. For example a where can be "rating >...
def similarity_search(self, query: str, k: int=3, where: Optional[str]=None, metadatas: Optional[List[str]]=None, **kwargs: Any) ->List[Document]: """ Return Jaguar documents most similar to query, along with scores. Args: query: Text to look up documents similar to. k: N...
Return Jaguar documents most similar to query, along with scores. Args: query: Text to look up documents similar to. k: Number of Documents to return. Defaults to 5. where: the where clause in select similarity. For example a where can be "rating > 3.0 and (state = 'NV' or state = 'CA')" Returns: ...
worker
old_stdout = sys.stdout sys.stdout = mystdout = StringIO() try: exec(command, globals, locals) sys.stdout = old_stdout queue.put(mystdout.getvalue()) except Exception as e: sys.stdout = old_stdout queue.put(repr(e))
@classmethod def worker(cls, command: str, globals: Optional[Dict], locals: Optional[ Dict], queue: multiprocessing.Queue) ->None: old_stdout = sys.stdout sys.stdout = mystdout = StringIO() try: exec(command, globals, locals) sys.stdout = old_stdout queue.put(mystdout.getvalue())...
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structured_tool_input
"""Return the arguments directly.""" return f'{arg1} {arg2} {arg3}'
@tool def structured_tool_input(arg1: int, arg2: bool, arg3: Optional[dict]=None ) ->str: """Return the arguments directly.""" return f'{arg1} {arg2} {arg3}'
Return the arguments directly.
test_neo4jvector_relevance_score
"""Test to make sure the relevance score is scaled to 0-1.""" metadatas = [{'page': str(i)} for i in range(len(texts))] docsearch = Neo4jVector.from_texts(texts=texts, embedding= FakeEmbeddingsWithOsDimension(), metadatas=metadatas, url=url, username =username, password=password, pre_delete_collection=True) out...
def test_neo4jvector_relevance_score() ->None: """Test to make sure the relevance score is scaled to 0-1.""" metadatas = [{'page': str(i)} for i in range(len(texts))] docsearch = Neo4jVector.from_texts(texts=texts, embedding= FakeEmbeddingsWithOsDimension(), metadatas=metadatas, url=url, use...
Test to make sure the relevance score is scaled to 0-1.
add_texts
"""Add the given texts to the store (insert behavior).""" raise NotImplementedError()
def add_texts(self, texts: Iterable[str], metadatas: Optional[List[Dict[Any, Any]]]=None, **kwargs: Any) ->List[str]: """Add the given texts to the store (insert behavior).""" raise NotImplementedError()
Add the given texts to the store (insert behavior).
_identifying_params
"""Get the identifying parameters.""" return {'model_id': self.model_id, 'model_kwargs': self.model_kwargs, 'pipeline_kwargs': self.pipeline_kwargs}
@property def _identifying_params(self) ->Mapping[str, Any]: """Get the identifying parameters.""" return {'model_id': self.model_id, 'model_kwargs': self.model_kwargs, 'pipeline_kwargs': self.pipeline_kwargs}
Get the identifying parameters.
create_ernie_fn_chain
"""[Legacy] Create an LLM chain that uses Ernie functions. Args: functions: A sequence of either dictionaries, pydantic.BaseModels classes, or Python functions. If dictionaries are passed in, they are assumed to already be a valid Ernie functions. If only a single functi...
def create_ernie_fn_chain(functions: Sequence[Union[Dict[str, Any], Type[ BaseModel], Callable]], llm: BaseLanguageModel, prompt: BasePromptTemplate, *, output_key: str='function', output_parser: Optional[BaseLLMOutputParser]=None, **kwargs: Any) ->LLMChain: """[Legacy] Create an LLM chain that uses Ern...
[Legacy] Create an LLM chain that uses Ernie functions. Args: functions: A sequence of either dictionaries, pydantic.BaseModels classes, or Python functions. If dictionaries are passed in, they are assumed to already be a valid Ernie functions. If only a single function is passed in, then i...
on_agent_finish
if self._current_thought is not None: self._current_thought.complete(self._thought_labeler. get_final_agent_thought_label()) self._current_thought = None
def on_agent_finish(self, finish: AgentFinish, color: Optional[str]=None, **kwargs: Any) ->None: if self._current_thought is not None: self._current_thought.complete(self._thought_labeler. get_final_agent_thought_label()) self._current_thought = None
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_wait_until
"""Sleeps until meth() evaluates to true. Passes kwargs into meth. """ start = datetime.now() while not method(**method_params): curr = datetime.now() if (curr - start).total_seconds() * 1000 > timeout: raise TimeoutError(f'{method} timed out at {timeout} ms') sleep(RocksetChatMessag...
def _wait_until(self, method: Callable, timeout: int, **method_params: Any ) ->None: """Sleeps until meth() evaluates to true. Passes kwargs into meth. """ start = datetime.now() while not method(**method_params): curr = datetime.now() if (curr - start).total_seconds() * ...
Sleeps until meth() evaluates to true. Passes kwargs into meth.
test_parse_api_operations
"""Test the APIOperation class.""" for spec_name, spec, path, method in http_paths_and_methods(): try: APIOperation.from_openapi_spec(spec, path, method) except Exception as e: raise AssertionError(f'Error processing {spec_name}: {e} ') from e
@pytest.mark.requires('openapi_pydantic') def test_parse_api_operations() ->None: """Test the APIOperation class.""" for spec_name, spec, path, method in http_paths_and_methods(): try: APIOperation.from_openapi_spec(spec, path, method) except Exception as e: raise Asserti...
Test the APIOperation class.
memory_variables
"""The string keys this memory class will add to chain inputs."""
@property @abstractmethod def memory_variables(self) ->List[str]: """The string keys this memory class will add to chain inputs."""
The string keys this memory class will add to chain inputs.
test_chat_openai_system_message
"""Test ChatOpenAI wrapper with system message.""" chat = ChatOpenAI(max_tokens=10) system_message = SystemMessage(content='You are to chat with the user.') human_message = HumanMessage(content='Hello') response = chat([system_message, human_message]) assert isinstance(response, BaseMessage) assert isinstance(response....
def test_chat_openai_system_message() ->None: """Test ChatOpenAI wrapper with system message.""" chat = ChatOpenAI(max_tokens=10) system_message = SystemMessage(content='You are to chat with the user.') human_message = HumanMessage(content='Hello') response = chat([system_message, human_message]) ...
Test ChatOpenAI wrapper with system message.
test_get_code_lines_simple_nested_ticks
"""Test that backticks w/o a newline are ignored.""" text = """ Unrelated text ```bash echo hello echo "```bash is in this string```" ``` """ code_lines = output_parser.parse_folder(text) assert code_lines == ['echo hello', 'echo "```bash is in this string```"']
def test_get_code_lines_simple_nested_ticks(output_parser: BashOutputParser ) ->None: """Test that backticks w/o a newline are ignored.""" text = ( '\nUnrelated text\n```bash\necho hello\necho "```bash is in this string```"\n```\n' ) code_lines = output_parser.parse_folder(text) asse...
Test that backticks w/o a newline are ignored.
test_partial_init_string
"""Test prompt can be initialized with partial variables.""" template = 'This is a {foo} test.' prompt = PromptTemplate(input_variables=[], template=template, partial_variables={'foo': 1}) assert prompt.template == template assert prompt.input_variables == [] result = prompt.format() assert result == 'This is a 1 t...
def test_partial_init_string() ->None: """Test prompt can be initialized with partial variables.""" template = 'This is a {foo} test.' prompt = PromptTemplate(input_variables=[], template=template, partial_variables={'foo': 1}) assert prompt.template == template assert prompt.input_variables...
Test prompt can be initialized with partial variables.
from_texts
"""Return DashVector VectorStore initialized from texts and embeddings. This is the quick way to get started with dashvector vector store. Example: .. code-block:: python from langchain_community.vectorstores import DashVector from langchain_community.embeddings im...
@classmethod def from_texts(cls, texts: List[str], embedding: Embeddings, metadatas: Optional[List[dict]]=None, dashvector_api_key: Optional[str]=None, dashvector_endpoint: Optional[str]=None, collection_name: str= 'langchain', text_field: str='text', batch_size: int=25, ids: Optional[ List[str]]=None, ...
Return DashVector VectorStore initialized from texts and embeddings. This is the quick way to get started with dashvector vector store. Example: .. code-block:: python from langchain_community.vectorstores import DashVector from langchain_community.embeddings import OpenAIEmbeddings import dashvector...
_get_internal_distance_strategy
"""Return the internal distance strategy.""" if self.distance_strategy == DistanceStrategy.EUCLIDEAN_DISTANCE: return 'euclidean' elif self.distance_strategy == DistanceStrategy.MAX_INNER_PRODUCT: raise ValueError('Max inner product is not supported by SemaDB') elif self.distance_strategy == DistanceStrategy.DO...
def _get_internal_distance_strategy(self) ->str: """Return the internal distance strategy.""" if self.distance_strategy == DistanceStrategy.EUCLIDEAN_DISTANCE: return 'euclidean' elif self.distance_strategy == DistanceStrategy.MAX_INNER_PRODUCT: raise ValueError('Max inner product is not sup...
Return the internal distance strategy.
test_misannotated_base_tool_raises_error
"""Test that a BaseTool with the incorrect typehint raises an exception.""" with pytest.raises(SchemaAnnotationError): class _MisAnnotatedTool(BaseTool): name: str = 'structured_api' args_schema: BaseModel = _MockSchema description: str = 'A Structured Tool' def _run(self, arg1: i...
def test_misannotated_base_tool_raises_error() ->None: """Test that a BaseTool with the incorrect typehint raises an exception.""" with pytest.raises(SchemaAnnotationError): class _MisAnnotatedTool(BaseTool): name: str = 'structured_api' args_schema: BaseModel = _MockSchema ...
Test that a BaseTool with the incorrect typehint raises an exception.
_get_input_messages
from langchain_core.messages import BaseMessage if isinstance(input_val, str): from langchain_core.messages import HumanMessage return [HumanMessage(content=input_val)] elif isinstance(input_val, BaseMessage): return [input_val] elif isinstance(input_val, (list, tuple)): return list(input_val) else: ...
def _get_input_messages(self, input_val: Union[str, BaseMessage, Sequence[ BaseMessage]]) ->List[BaseMessage]: from langchain_core.messages import BaseMessage if isinstance(input_val, str): from langchain_core.messages import HumanMessage return [HumanMessage(content=input_val)] elif isi...
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_select_relevance_score_fn
""" The underlying API calls already returns a "score proper", i.e. one in [0, 1] where higher means more *similar*, so here the final score transformation is not reversing the interval: """ return self._dont_flip_the_cos_score
def _select_relevance_score_fn(self) ->Callable[[float], float]: """ The underlying API calls already returns a "score proper", i.e. one in [0, 1] where higher means more *similar*, so here the final score transformation is not reversing the interval: """ return self._dont_flip_t...
The underlying API calls already returns a "score proper", i.e. one in [0, 1] where higher means more *similar*, so here the final score transformation is not reversing the interval:
generate_img_summaries
""" Generate summaries for images :param img_base64_list: Base64 encoded images :return: List of image summaries and processed images """ image_summaries = [] processed_images = [] prompt = 'Give a detailed summary of the image.' for i, base64_image in enumerate(img_base64_list): try: image...
def generate_img_summaries(img_base64_list): """ Generate summaries for images :param img_base64_list: Base64 encoded images :return: List of image summaries and processed images """ image_summaries = [] processed_images = [] prompt = 'Give a detailed summary of the image.' for i, b...
Generate summaries for images :param img_base64_list: Base64 encoded images :return: List of image summaries and processed images