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from typing import Type, List
import pandas as pd
import boto3
import os
from chatfuncs.config import AWS_REGION, RUN_AWS_FUNCTIONS, QA_CHATBOT_BUCKET
PandasDataFrame = Type[pd.DataFrame]
# Get AWS credentials if required
bucket_name=QA_CHATBOT_BUCKET
if RUN_AWS_FUNCTIONS == "1":
try:
bucket_name = os.environ['']
session = boto3.Session() # profile_name="default"
except Exception as e:
print("Failed to start boto3 session due to:", e)
def get_assumed_role_info():
sts_endpoint = 'https://sts.' + AWS_REGION + '.amazonaws.com'
sts = boto3.client('sts', region_name=AWS_REGION, endpoint_url=sts_endpoint)
response = sts.get_caller_identity()
# Extract ARN of the assumed role
assumed_role_arn = response['Arn']
# Extract the name of the assumed role from the ARN
assumed_role_name = assumed_role_arn.split('/')[-1]
return assumed_role_arn, assumed_role_name
try:
assumed_role_arn, assumed_role_name = get_assumed_role_info()
print("Assumed Role ARN:", assumed_role_arn)
print("Assumed Role Name:", assumed_role_name)
except Exception as e:
print(e)
# Download direct from S3 - requires login credentials
def download_file_from_s3(bucket_name, key, local_file_path):
if RUN_AWS_FUNCTIONS == "1":
s3 = boto3.client('s3')
s3.download_file(bucket_name, key, local_file_path)
print(f"File downloaded from S3: s3://{bucket_name}/{key} to {local_file_path}")
def download_folder_from_s3(bucket_name, s3_folder, local_folder):
"""
Download all files from an S3 folder to a local folder.
"""
if RUN_AWS_FUNCTIONS == "1":
s3 = boto3.client('s3')
# List objects in the specified S3 folder
response = s3.list_objects_v2(Bucket=bucket_name, Prefix=s3_folder)
# Download each object
for obj in response.get('Contents', []):
# Extract object key and construct local file path
object_key = obj['Key']
local_file_path = os.path.join(local_folder, os.path.relpath(object_key, s3_folder))
# Create directories if necessary
os.makedirs(os.path.dirname(local_file_path), exist_ok=True)
# Download the object
try:
s3.download_file(bucket_name, object_key, local_file_path)
print(f"Downloaded 's3://{bucket_name}/{object_key}' to '{local_file_path}'")
except Exception as e:
print(f"Error downloading 's3://{bucket_name}/{object_key}':", e)
def download_files_from_s3(bucket_name, s3_folder, local_folder, filenames):
"""
Download specific files from an S3 folder to a local folder.
"""
if RUN_AWS_FUNCTIONS == "1":
s3 = boto3.client('s3')
print("Trying to download file: ", filenames)
if filenames == '*':
# List all objects in the S3 folder
print("Trying to download all files in AWS folder: ", s3_folder)
response = s3.list_objects_v2(Bucket=bucket_name, Prefix=s3_folder)
print("Found files in AWS folder: ", response.get('Contents', []))
filenames = [obj['Key'].split('/')[-1] for obj in response.get('Contents', [])]
print("Found filenames in AWS folder: ", filenames)
for filename in filenames:
object_key = os.path.join(s3_folder, filename)
local_file_path = os.path.join(local_folder, filename)
# Create directories if necessary
os.makedirs(os.path.dirname(local_file_path), exist_ok=True)
# Download the object
try:
s3.download_file(bucket_name, object_key, local_file_path)
print(f"Downloaded 's3://{bucket_name}/{object_key}' to '{local_file_path}'")
except Exception as e:
print(f"Error downloading 's3://{bucket_name}/{object_key}':", e)
def upload_file_to_s3(local_file_paths:List[str], s3_key:str, s3_bucket:str=bucket_name):
"""
Uploads a file from local machine to Amazon S3.
Args:
- local_file_path: Local file path(s) of the file(s) to upload.
- s3_key: Key (path) to the file in the S3 bucket.
- s3_bucket: Name of the S3 bucket.
Returns:
- Message as variable/printed to console
"""
final_out_message = []
final_out_message_str = ""
if RUN_AWS_FUNCTIONS == "1":
s3_client = boto3.client('s3')
if isinstance(local_file_paths, str):
local_file_paths = [local_file_paths]
for file in local_file_paths:
try:
# Get file name off file path
file_name = os.path.basename(file)
s3_key_full = s3_key + file_name
print("S3 key: ", s3_key_full)
s3_client.upload_file(file, s3_bucket, s3_key_full)
out_message = "File " + file_name + " uploaded successfully!"
print(out_message)
except Exception as e:
out_message = f"Error uploading file(s): {e}"
print(out_message)
final_out_message.append(out_message)
final_out_message_str = '\n'.join(final_out_message)
return final_out_message_str
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