Track if the file is downloaded python

Hence, it […]. Ever since our founding, Grepsr has strived to become the go-to solution for the highest quality service in the data […]. Data scraping is the technological process of extracting available web data in a structured format. More businesses globally are realizing […]. Data to make or break your business. Do you have a checksum? What's to say a kb file is complete or incomplete? For instance, in a txt file, what you see in Notepad is exactly what the file contains.

It could be 0 bytes long and still be "valid". Are you asking how to tell if the file is open in another process? If so, that's going to be OS-specific. Show 5 more comments. Active Oldest Votes. There are many ways to check the validity of a file. Improve this answer. It would be great if some quick example of content-length in action would be posted!

Thanks MxyL! It is exactly what I've been looking for! It doesn't tell you whether your file is "valid" or not but it's a quick way to determine whether you need to re-download or not. We then wrapped the iteration with a tqdm object, which will print a fancy progress bar.

We also changed the tqdm default unit from iteration to bytes. After that, in each iteration, we read a chunk of data and write it to the file opened , and update the progress bar.

Here is my result after trying to download a file, you can choose any file you want, just make sure it ends with the file extension. Alright, we are done, as you may see, downloading files in Python is pretty easy using powerful libraries like requests , you can now use this on your Python applications, good luck!

Here are some ideas you can implement:. By the way, if you wish to download torrent files, check this tutorial. Add a comment. Active Oldest Votes. You can do this only if you have any of the below informations: Know unique file name of the new download: Then try to open or do something with the file or search for the specific file, till the file is found or exception is not thrown catch exceptions and try till there is no error 2.

Improve this answer. You can keep it to any time as you want. If you keep the loop runs for 5 mins. The code won't run for 2 mins it will run maximum to mins and if the list is not empty before that then the loop exit before that also. Ya I got it Show 1 more comment. Sign up or log in Sign up using Google.