langchain_community.callbacks.utils.BaseMetadataCallbackHandler¶
- class langchain_community.callbacks.utils.BaseMetadataCallbackHandler[source]¶
Handle the metadata and associated function states for callbacks.
- step¶
The current step.
- Type
int
- starts¶
The number of times the start method has been called.
- Type
int
- ends¶
The number of times the end method has been called.
- Type
int
- errors¶
The number of times the error method has been called.
- Type
int
- text_ctr¶
The number of times the text method has been called.
- Type
int
- ignore_llm_¶
Whether to ignore llm callbacks.
- Type
bool
- ignore_chain_¶
Whether to ignore chain callbacks.
- Type
bool
- ignore_agent_¶
Whether to ignore agent callbacks.
- Type
bool
- ignore_retriever_¶
Whether to ignore retriever callbacks.
- Type
bool
- always_verbose_¶
Whether to always be verbose.
- Type
bool
- chain_starts¶
The number of times the chain start method has been called.
- Type
int
- chain_ends¶
The number of times the chain end method has been called.
- Type
int
- llm_starts¶
The number of times the llm start method has been called.
- Type
int
- llm_ends¶
The number of times the llm end method has been called.
- Type
int
- llm_streams¶
The number of times the text method has been called.
- Type
int
- tool_starts¶
The number of times the tool start method has been called.
- Type
int
- tool_ends¶
The number of times the tool end method has been called.
- Type
int
- agent_ends¶
The number of times the agent end method has been called.
- Type
int
- on_llm_start_records¶
A list of records of the on_llm_start method.
- Type
list
- on_llm_token_records¶
A list of records of the on_llm_token method.
- Type
list
- on_llm_end_records¶
A list of records of the on_llm_end method.
- Type
list
- on_chain_start_records¶
A list of records of the on_chain_start method.
- Type
list
- on_chain_end_records¶
A list of records of the on_chain_end method.
- Type
list
- on_tool_start_records¶
A list of records of the on_tool_start method.
- Type
list
- on_tool_end_records¶
A list of records of the on_tool_end method.
- Type
list
- on_agent_finish_records¶
A list of records of the on_agent_end method.
- Type
list
Attributes
always_verboseWhether to call verbose callbacks even if verbose is False.
ignore_agentWhether to ignore agent callbacks.
ignore_chainWhether to ignore chain callbacks.
ignore_llmWhether to ignore LLM callbacks.
Methods
__init__()Reset the callback metadata.