79 lines
2.3 KiB
Python
79 lines
2.3 KiB
Python
import logging
|
|
import os
|
|
|
|
from chromadb.utils import embedding_functions
|
|
|
|
from embedchain.config.BaseConfig import BaseConfig
|
|
|
|
|
|
class InitConfig(BaseConfig):
|
|
"""
|
|
Config to initialize an embedchain `App` instance.
|
|
"""
|
|
|
|
def __init__(self, log_level=None, ef=None, db=None, host=None, port=None):
|
|
"""
|
|
:param log_level: Optional. (String) Debug level
|
|
['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'].
|
|
:param ef: Optional. Embedding function to use.
|
|
:param db: Optional. (Vector) database to use for embeddings.
|
|
"""
|
|
self._setup_logging(log_level)
|
|
|
|
self.ef = ef
|
|
self.db = db
|
|
|
|
self.host = host
|
|
self.port = port
|
|
return
|
|
|
|
def _set_embedding_function(self, ef):
|
|
self.ef = ef
|
|
return
|
|
|
|
def _set_embedding_function_to_default(self):
|
|
"""
|
|
Sets embedding function to default (`text-embedding-ada-002`).
|
|
|
|
:raises ValueError: If the template is not valid as template should contain
|
|
$context and $query
|
|
"""
|
|
if (
|
|
os.getenv("OPENAI_API_KEY") is None
|
|
and os.getenv("OPENAI_ORGANIZATION") is None
|
|
):
|
|
raise ValueError(
|
|
"OPENAI_API_KEY or OPENAI_ORGANIZATION environment variables not provided" # noqa:E501
|
|
)
|
|
self.ef = embedding_functions.OpenAIEmbeddingFunction(
|
|
api_key=os.getenv("OPENAI_API_KEY"),
|
|
organization_id=os.getenv("OPENAI_ORGANIZATION"),
|
|
model_name="text-embedding-ada-002",
|
|
)
|
|
return
|
|
|
|
def _set_db(self, db):
|
|
if db:
|
|
self.db = db
|
|
return
|
|
|
|
def _set_db_to_default(self):
|
|
"""
|
|
Sets database to default (`ChromaDb`).
|
|
"""
|
|
from embedchain.vectordb.chroma_db import ChromaDB
|
|
self.db = ChromaDB(ef=self.ef, host=self.host, port=self.port)
|
|
|
|
def _setup_logging(self, debug_level):
|
|
level = logging.WARNING # Default level
|
|
if debug_level is not None:
|
|
level = getattr(logging, debug_level.upper(), None)
|
|
if not isinstance(level, int):
|
|
raise ValueError(f"Invalid log level: {debug_level}")
|
|
|
|
logging.basicConfig(
|
|
format="%(asctime)s [%(name)s] [%(levelname)s] %(message)s", level=level
|
|
)
|
|
self.logger = logging.getLogger(__name__)
|
|
return
|