stable-diffusion-aws-extension/middleware_api/lambda/common/util.py

91 lines
2.8 KiB
Python

import json
from typing import Dict
import os
import tarfile
import boto3
import logging
s3 = boto3.client('s3')
logger = logging.getLogger('util')
def publish_msg(topic_arn, msg, subject):
client = boto3.client('sns')
client.publish(
TopicArn=topic_arn,
Message=str(msg),
Subject=subject
)
def get_s3_presign_urls(bucket_name, base_key, filenames) -> Dict[str, str]:
return _get_s3_presign_urls(bucket_name, base_key, filenames, expires=3600 * 24 * 7, method='put_object')
def get_s3_get_presign_urls(bucket_name, base_key, filenames) -> Dict[str, str]:
return _get_s3_presign_urls(bucket_name, base_key, filenames, expires=3600 * 24, method='get_object')
def _get_s3_presign_urls(bucket_name, base_key, filenames, expires=3600, method='put_object') -> Dict[str, str]:
s3 = boto3.client('s3')
presign_url_map = {}
for filename in filenames:
key = f'{base_key}/{filename}'
url = s3.generate_presigned_url(method,
Params={'Bucket': bucket_name,
'Key': key,
},
ExpiresIn=expires)
presign_url_map[filename] = url
return presign_url_map
def generate_presign_url(bucket_name, key, expires=3600, method='put_object') -> Dict[str, str]:
s3 = boto3.client('s3')
return s3.generate_presigned_url(method,
Params={'Bucket': bucket_name,
'Key': key,
},
ExpiresIn=expires)
def load_json_from_s3(bucket_name: str, key: str):
'''
Get the JSON file from the specified bucket and key
'''
response = s3.get_object(Bucket=bucket_name, Key=key)
json_file = response['Body'].read().decode('utf-8')
data = json.loads(json_file)
return data
def save_json_to_file(json_string: str, folder_path: str, file_name: str):
os.makedirs(folder_path, exist_ok=True)
file_path = os.path.join(folder_path, file_name)
with open(file_path, 'w') as file:
file.write(json.dumps(json_string))
return file_path
def upload_json_to_s3(bucket_name: str, file_key: str, json_data: dict):
'''
Upload the JSON file from the specified bucket and key
'''
try:
s3.put_object(Body=json.dumps(json_data), Bucket=bucket_name, Key=file_key)
logger.info(f"Dictionary uploaded to S3://{bucket_name}/{file_key}")
except Exception as e:
logger.info(f"Error uploading dictionary: {e}")
def split_s3_path(s3_path):
path_parts = s3_path.replace("s3://", "").split("/")
bucket = path_parts.pop(0)
key = "/".join(path_parts)
return bucket, key