postgres.py — langchain Source File
Architecture documentation for postgres.py, a python file in the langchain codebase. 3 imports, 0 dependents.
Entity Profile
Dependency Diagram
graph LR 5d2c4d6b_41bc_468c_9244_03f742c65ffa["postgres.py"] feec1ec4_6917_867b_d228_b134d0ff8099["typing"] 5d2c4d6b_41bc_468c_9244_03f742c65ffa --> feec1ec4_6917_867b_d228_b134d0ff8099 e4596b95_ed91_0e47_96dd_7e987bc14a69["langchain_classic._api"] 5d2c4d6b_41bc_468c_9244_03f742c65ffa --> e4596b95_ed91_0e47_96dd_7e987bc14a69 51ea8235_141a_4d08_24af_cd770aa474cc["langchain_community.chat_message_histories"] 5d2c4d6b_41bc_468c_9244_03f742c65ffa --> 51ea8235_141a_4d08_24af_cd770aa474cc style 5d2c4d6b_41bc_468c_9244_03f742c65ffa fill:#6366f1,stroke:#818cf8,color:#fff
Relationship Graph
Source Code
from typing import TYPE_CHECKING, Any
from langchain_classic._api import create_importer
if TYPE_CHECKING:
from langchain_community.chat_message_histories import PostgresChatMessageHistory
# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
DEPRECATED_LOOKUP = {
"PostgresChatMessageHistory": "langchain_community.chat_message_histories",
}
_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)
def __getattr__(name: str) -> Any:
"""Look up attributes dynamically."""
return _import_attribute(name)
__all__ = [
"PostgresChatMessageHistory",
]
Domain
Subdomains
Functions
Dependencies
- langchain_classic._api
- langchain_community.chat_message_histories
- typing
Source
Frequently Asked Questions
What does postgres.py do?
postgres.py is a source file in the langchain codebase, written in python. It belongs to the LangChainCore domain, LanguageModelBase subdomain.
What functions are defined in postgres.py?
postgres.py defines 2 function(s): __getattr__, langchain_community.
What does postgres.py depend on?
postgres.py imports 3 module(s): langchain_classic._api, langchain_community.chat_message_histories, typing.
Where is postgres.py in the architecture?
postgres.py is located at libs/langchain/langchain_classic/memory/chat_message_histories/postgres.py (domain: LangChainCore, subdomain: LanguageModelBase, directory: libs/langchain/langchain_classic/memory/chat_message_histories).
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