Oracle AI 向量搜索生成摘要

# pip install oracledb

import sys

import oracledb

# please update with your username, password, hostname and service_name
username = "<username>"
password = "<password>"
dsn = "<hostname>/<service_name>"

try:
    conn = oracledb.connect(user=username, password=password, dsn=dsn)
    print("Connection successful!")
except Exception as e:
    print("Connection failed!")
    sys.exit(1)

# proxy to be used when we instantiate summary and embedder object
proxy = "<proxy>"

from langchain_community.utilities.oracleai import OracleSummary
from langchain_core.documents import Document

"""
# using 'ocigenai' provider
summary_params = {
    "provider": "ocigenai",
    "credential_name": "OCI_CRED",
    "url": "https://inference.generativeai.us-chicago-1.oci.oraclecloud.com/20231130/actions/summarizeText",
    "model": "cohere.command",
}

# using 'huggingface' provider
summary_params = {
    "provider": "huggingface",
    "credential_name": "HF_CRED",
    "url": "https://api-inference.huggingface.co/models/",
    "model": "facebook/bart-large-cnn",
    "wait_for_model": "true"
}
"""

# using 'database' provider
summary_params = {
    "provider": "database",
    "glevel": "S",
    "numParagraphs": 1,
    "language": "english",
}

# get the summary instance
# Remove proxy if not required
summ = OracleSummary(conn=conn, params=summary_params, proxy=proxy)
summary = summ.get_summary(
    "In the heart of the forest, "
    + "a lone fox ventured out at dusk, seeking a lost treasure. "
    + "With each step, memories flooded back, guiding its path. "
    + "As the moon rose high, illuminating the night, the fox unearthed "
    + "not gold, but a forgotten friendship, worth more than any riches."
)

print(f"Summary generated by OracleSummary: {summary}")