I am having trouble reading images from the S3 bucket. I can read images locally like that. But I have no idea why S3 said error Answer You need to first establish a connection to S3, then download the image data, and finally decode the data with OpenCV. For the first bit (connecting to S3), Boto3 is a good a…
Tag: amazon-s3
How to download latest n items from AWS S3 bucket using boto3?
I have an S3 bucket where my application saves some final result DataFrames as .csv files. I would like to download the latest 1000 files in this bucket, but I don’t know how to do it. I cannot do it mannualy, as the bucket doesn’t allow me to sort the files by date because it has more than 1000 e…
Python how to download a file from s3 and then reuse
how can I download a file from s3 and then reuse instead of keeping downloading it everytime when the endpoint is called? Answer Based on the comments. Since the files are large (16GB) and need to be read and updated often, instead of S3, an EFS filesystem could be used for their storage: Amazon Elastic File …
S3 Object upload to a private bucket using a pre-signed URL result in Access denied
I’m learning AWS and with my limited knowledge of AWS, am I right in saying that If I make pre-signed URLS to Upload and Download from a bucket – which is set to block all public access it should work? I take all my authentication and checks through API gateway, so if a user is able to hit the end…
Why does my Lambda function write an empty csv file to S3?
I’m calling the YouTube API to download and store channel statistics in S3. I can write a csv file to my S3 bucket without any errors, but it’s empty. I have checked this thread Why the csv file in S3 is empty after loading from Lambda, but I’m not using a with block in to_csv_channel(). I&#…
get data from s3 Bucket [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 1 year ago. Improve this question This is my code I got this error while getting the data from the bucket. An…
Reading a docx file from s3 bucket with flask results in an AttributeError
I got so many different errors, I don’t even know which is pertinent to mention but it’s not about the credentials because I can upload files already and I can read a txt file. Now I want to read a docx. I created a form in my index.html with just a text area to write the exact name of the
How to parse Boto3 200 response for copy_object request
I am new to Python and I’m writing an AWS lambda that copies files from one bucket to another. I am using the Boto3 library and have come across the following in the documentation: A copy request might return an error when Amazon S3 receives the copy request or while Amazon S3 is copying the files. If t…
Signature Error while updating S3 object metadata through boto3
I have a lambda function that takes S3 object from S3 events and updates it with the custom metadata. Here is the boto3 script: When I run the script, it gives me the following error: An error occurred (SignatureDoesNotMatch) when calling the CopyObject operation: The request signature we calculated does not …
AWS SageMaker Deployment for Batch Transform
I am trying to use a XGBoost model in Sage Maker and use it to score for a large data stored in S3 using Batch Transform. I build the model using existing Sagemaker Container as follows: The following code is used to do Batch Transform The above code works fine in Development environment (Jupyter notebook) wh…