Category Archives: read gzip file from s3 python

Read gzip file from s3 python

By | 18.07.2020

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Subscribe to RSS

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. The logs are stored in an S3 folder and have the following path.

Both of these act as folders objects in AWS. Now I want to unzip this. I don't want to download this file to my system wants to save contents in a python variable. Amit, I was trying to do the same thing to test decoding a file, and got your code to run with some modifications.

I just had to remove the function def, the return, and rename the gzip variable, since that name is in use. S3 Select is an Amazon S3 capability designed to pull out only the data you need from an object, which can dramatically improve the performance and reduce the cost of applications that need to access data in S3.

Learn more. Asked 3 years, 7 months ago. Active 19 days ago. Viewed 17k times. This is what I have tried till now.

Edit - Found a solution. Reza Mousavi 3, 4 4 gold badges 19 19 silver badges 39 39 bronze badges. Kshitij Marwah Kshitij Marwah 2 2 gold badges 7 7 silver badges 19 19 bronze badges.

It's binary data. Also surely you want BytesIO obj.

How to Read Parquet file from AWS S3 Directly into Pandas using Python boto3

Active Oldest Votes. Levi Levi 1 1 silver badge 6 6 bronze badges.

read gzip file from s3 python

Kirk Kirk 1, 8 8 silver badges 16 16 bronze badges. Thanks for the answer. This is great. I like the fact that it gives you data in chucks. There is a tiny problem with your solution, I noticed that sometimes S3 Select split the rows with one half of the row coming at the end of one payload and the next half coming at the beginning of the next.

Reza Mousavi Reza Mousavi 3, 4 4 gold badges 19 19 silver badges 39 39 bronze badges. Anjala Abdurehman Anjala Abdurehman 47 6 6 bronze badges. Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Tales from documentation: Write for your clueless users. Podcast a conversation on diversity and representation. Upcoming Events. Featured on Meta.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

read gzip file from s3 python

And i am getting error as 'string indices must be integers' I don't want to download the file from S3 and then reading. As mentioned in the comments above, repr has to be removed and the json file has to use double quotes for attributes. For best practices, you can consider either of the followings:. Wanted to add that the botocore. Found this discussion which helped me: Python gzip: is there a way to decompress from a string? Learn more.

Asked 3 years, 7 months ago. Active 1 month ago. Viewed 60k times. Nanju Nanju 1 1 gold badge 4 4 silver badges 8 8 bronze badges. Remove the repr. I resolved the problem.

JSON should have attributes enclosed in double quotes. Which line are you getting an error on? Split up that line. For now, split that up into 4 separate lines with 4 intermediate variables. Then see which line fails. Active Oldest Votes. Note to others: boto3. The following worked for me. Hafizur Rahman Hafizur Rahman 1, 10 10 silver badges 21 21 bronze badges. I was stuck for a bit as the decoding didn't work for me s3 objects are gzipped. Cerberussian Cerberussian 21 4 4 bronze badges.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Tales from documentation: Write for your clueless users. Podcast a conversation on diversity and representation. Upcoming Events. Featured on Meta. Feedback post: New moderator reinstatement and appeal process revisions. The new moderator agreement is now live for moderators to accept across theā€¦.

Allow bountied questions to be closed by regular users. Visit chat.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. And I get no output on the screen. As a beginner of python, I'm wondering what should I do if I want to read the content of the file in the gzip file. Thank you. Learn more. Read from a gzip file in python Ask Question.

Asked 7 years, 9 months ago. Active 1 year, 10 months ago. Viewed k times. I've just make excises of gzip on python.

Michael Michael 1 1 gold badge 4 4 silver badges 6 6 bronze badges. Try print open 'Onlyfinnaly. If that doesn't work, can you confirm that the file contains something?

Yeah, I'm totally sure there is a file whose name is 'Onlyfinally. And what I'm trying to do is to read the content and select some to store another file. But it turn only the blank line on the screen. Your code looks correct, but be aware that you are reading the entire file into a string.

A more efficient way is usually to read the gzip stream in chunks and process them one at a time. One of these has a typo. Your q has Onlyfinnaly and your comment has Onlyfinally. The code is otherwise right. Active Oldest Votes. Try gzipping some data through the gzip libary like this Matt Olan Matt Olan 1, 16 16 silver badges 24 24 bronze badges. It's slightly preferable to use with like in Arunava's answer, because the file will be closed even if an error occurs while reading or you forget about it.

As a bonus it's also shorter. GzipFile : import gzip with gzip.This module provides a simple interface to compress and decompress files just like the GNU programs gzip and gunzip would. The data compression is provided by the zlib module. The gzip module provides the GzipFile class, as well as the opencompress and decompress convenience functions. The GzipFile class reads and writes gzip -format files, automatically compressing or decompressing the data so that it looks like an ordinary file object.

Note that additional file formats which can be decompressed by the gzip and gunzip programs, such as those produced by compress and packare not supported by this module. Open a gzip-compressed file in binary or text mode, returning a file object. The filename argument can be an actual filename a str or bytes objector an existing file object to read from or write to. The mode argument can be any of 'r''rb''a''ab''w''wb''x' or 'xb' for binary mode, or 'rt''at''wt'or 'xt' for text mode.

The default is 'rb'. The compresslevel argument is an integer from 0 to 9, as for the GzipFile constructor. For binary mode, this function is equivalent to the GzipFile constructor: GzipFile filename, mode, compresslevel.

In this case, the encodingerrors and newline arguments must not be provided. For text mode, a GzipFile object is created, and wrapped in an io. TextIOWrapper instance with the specified encoding, error handling behavior, and line ending s. Changed in version 3. An exception raised for invalid gzip files. It inherits OSError. EOFError and zlib. Constructor for the GzipFile class, which simulates most of the methods of a file objectwith the exception of the truncate method.

At least one of fileobj and filename must be given a non-trivial value. The new class instance is based on fileobjwhich can be a regular file, an io.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information.

I have line data in. I have to read it in pyspark Following is the code snippet. But I could not read the above file successfully. How do I read gz compressed file. I have found a similar question here but my current version of spark is different that the version in that question. I expect there should be some built in function as in hadoop.

Spark document clearly specify that you can read gz file automatically:. Is it there? You can load compressed files directly into dataframes through the spark instance, you just need to specify the compression in the path:. You didn't write the error message you got, but it's probably not going well for you because gzipped files are not splittable.

You need to use a splittable compression codec, like bzip2.

Learn more. How to read gz compressed file by pyspark Ask Question. Asked 3 years, 4 months ago. Active 1 year, 1 month ago. Viewed 21k times. Shafiq Shafiq 5, 8 8 gold badges 38 38 silver badges 74 74 bronze badges. Active Oldest Votes. Yaron Yaron 7, 6 6 gold badges 38 38 silver badges 49 49 bronze badges.

Andrew Rowlands Andrew Rowlands 61 5 5 bronze badges. Tim Tim 3, 7 7 silver badges 22 22 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog.

Tales from documentation: Write for your clueless users. Podcast a conversation on diversity and representation. Upcoming Events.I have code that fetches an AWS S3 object. How do I read this StreamingBody with Python's csv. The code would be something like this:. You can compact this a bit in actual code, but I tried to keep it step-by-step to show the object hierarchy with boto3.

Thanks for the answer. This should be clear Inorder to get it done first you You can use method of creating object When to use S3? S3 is like many Yes there is an easy way to You can read this blog and get Hey, I have attached code line by Already have an account? Sign in. How to read a csv file stored in Amazon S3 using csv. Your comment on this question: Your name to display optional : Email me at this address if a comment is added after mine: Email me if a comment is added after mine Privacy: Your email address will only be used for sending these notifications.

Your answer Your name to display optional : Email me at this address if my answer is selected or commented on: Email me if my answer is selected or commented on Privacy: Your email address will only be used for sending these notifications.

Bucket u 'bucket-name' get a handle on the object you want i. DictReader lines : here you get a sequence of dicts do whatever you want with each line here print row You can compact this a bit in actual code, but I tried to keep it step-by-step to show the object hierarchy with boto3. Hey, which header are you referring to? Can you explain your query? Your comment on this answer: Your name to display optional : Email me at this address if a comment is added after mine: Email me if a comment is added after mine Privacy: Your email address will only be used for sending these notifications.

How to read data from S3 in a regular inetrval using Spark Scala Inorder to get it done first you How to upload a file in S3 bucket using boto3 in python You can use method of creating object How do I read a csv stored in S3 with csv.

How to pull container instances stored in Amazon Elastic Container Registry? Welcome back to the World's most active Tech Community! Please enter a valid emailid. Forgot Password? Subscribe to our Newsletter, and get personalized recommendations. Sign up with Google Signup with Facebook Already have an account?

read gzip file from s3 python

Email me at this address if a comment is added after mine: Email me if a comment is added after mine. Privacy: Your email address will only be used for sending these notifications.

Add comment Cancel. Email me at this address if my answer is selected or commented on: Email me if my answer is selected or commented on. Add answer Cancel.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I want to real all these files into Spark Data Frame,then perform union and save that as a single parquet file.

I already asked define schema for PySpark and got usefull answer. How should i edit my code. Learn more. How to read Json Gzip files from S3 into List?

Ask Question. Asked yesterday. Active yesterday. Viewed 18 times. I have multiple files in S3. Djikii Djikii 6 6 bronze badges.

Active Oldest Votes. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog.

Tales from documentation: Write for your clueless users. Podcast a conversation on diversity and representation.


thoughts on “Read gzip file from s3 python

Leave a Reply

Your email address will not be published. Required fields are marked *