Python Articles - Page 632 of 1048

Problem Statement − Use boto3 library in Python to check whether a key does not exist in a bucket, using waiters functionality. For example, use waiters to check whether a key test1.zip does not exist in Bucket_1.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − bucket_name and key are two parameters in function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now create the wait object for object_not_exists using get_waiter functionStep 6 − Now, use the wait object to validate whether ... Read More

When a user wants to use wait functionality to validate whether a key in a bucket exists or not in programming code.Problem Statement − Use boto3 library in Python to check whether a key exists in a bucket, using waiters functionality. For example, use waiters to check whether a key test.zip exists in Bucket_1.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − bucket_name and key are two parameters in function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now create the ... Read More

Problem Statement − Use boto3 library in Python to check whether a bucket does not exist using waiter functionality. For example, use waiters to check whether Bucket_2 does not exist in S3.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − Use bucket_name as the parameter in the function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now create the wait object for bucket_not_exists using get_waiter function.Step 6 − Now, use the wait object to validate whether the bucket does not exist. By default, ... Read More

Problem Statement − Use boto3 library in Python to get ownership control detail of a S3 bucket.For example, find the ownership control detail of Bucket_1 in S3.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − Use bucket_name as the parameter in the function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now use the function get_bucket_ownership_controls and pass the bucket name.Step 6 − It returns the dictionary containing the details about S3.Step 7 − Handle the generic exception if something went ... Read More

Problem Statement − Use boto3 library in Python to get the notification configuration of a S3 bucket. For example, find the notification configuration details of Bucket_1 in S3.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − Use bucket_name as the parameter in the function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now use the function get_bucket_notification_configuration and pass the bucket name.Step 6 − It returns the dictionary containing the details about S3. If notification is not set, then it returns ... Read More

Problem Statement − Use boto3 library in Python to get the logging details of a S3 bucket. For example, find the logging details of Bucket_1 in S3.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − Use bucket_name as the parameter in the function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now use the function get_bucket_logging and pass the bucket name.Step 6 − It returns the dictionary containing the details about S3.Step 7 − Handle the generic exception if something went ... Read More

Problem Statement − Use boto3 library in Python to get the location of a S3 bucket. For example, find the location of Bucket_1 in S3Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − Use bucket_name as the parameter in the function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now use the function get_bucket_location_of_s3 and pass the bucket name.Step 6 − It returns the dictionary containing the details about S3.Step 7 − Handle the generic exception if something went wrong while ... Read More

Problem Statement: Use boto3 library in Python to get lifecycle of a S3 bucket. For example, find the lifecycle of Bucket_1 in S3.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − bucket_name is the parameter in the function.Step 3 − Create an AWS session using boto3 library.Step 4 − Create an AWS client for S3.Step 5 − Now, use the function get_bucket_lifecycle_configuration and pass the bucket name.Step 6 − It returns the dictionary containing the details about S3.Step 7 − Handle the generic exception if something went wrong while deleting the file.ExampleUse ... Read More

In this article, we will see how to delete an object from S3 using Boto 3 library of Python.Example − Delete test.zip from Bucket_1/testfolder of S3Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − s3_files_path is parameter in function.Step 3 − Validate the s3_files_path is passed in AWS format as s3://bucket_name/key.Step 4 − Create an AWS session using boto3 library.Step 5 − Create an AWS resource for S3.Step 6 − Split the S3 path and perform operations to separate the root bucket name and the object path to delete.Step 7 − Now, ... Read More

Problem Statement − Use boto3 library in Python to get a list of files from S3, those are modified after a given date timestamp.Example − List out test.zip from Bucket_1/testfolder of S3 if it is modified after 2021-01-21 13:19:56.986445+00:00.Approach/Algorithm to solve this problemStep 1 − Import boto3 and botocore exceptions to handle exceptions.Step 2 − s3_path and last_modified_timestamp are the two parameters in function list_all_objects_based_on_last_modified. "last_modified_timestamp" should be in the format “2021-01-22 13:19:56.986445+00:00”. By default, boto3 understands the UTC timezone irrespective of geographical location.Step 3 − Validate the s3_path is passed in AWS format as s3://bucket_name/key.Step 4 − Create an ... Read More