Pyhon3 download file

If you want to obtain the contents of a web page into a variable, just read the response of urllib. The easiest way to download and save a file is to use the urllib. But keep in mind that urlretrieve is considered legacy and might become deprecated not sure why, though. So the most correct way to do this would be to use the urllib. If this seems too complicated, you may want to go simpler and store the whole download in a bytes object and then write it to a file.

But this works well only for small files. It is possible to extract. I hope I understood the question right, which is: how to download a file from a server when the URL is stored in a string type?

The following functions and classes are ported from the Python 2 module urllib as opposed to urllib2. They might become deprecated at some point in the future.

You can use wget which is popular downloading shell tool for that. Here is an example. Yes, definietly requests is great package to use in something related to HTTP requests. For example, If I use the machine learning method, train a model that can recognize an image with the number bar code. If you are using Linux you can use the wget module of Linux through the python shell.

Here is a sample code snippet. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Download file from web in Python 3 Ask Question. Asked 10 years, 2 months ago. Active 3 months ago. Viewed k times. Http ". Improve this question. Now run the program, and check your download location, you will found a file has been downloaded. Now you will learn how can you download file with a progress bar.

First of all you have to install tqdm module. Now run the following command on your terminal. This is very nice. You can see the file size is KB and it only took 49 second to download the file.

So guys we have successfully completed this Python Download File Tutorial. I hope, you found it helpful if yes then must share with others. And if you have any query regarding this tutorial then feel free to comment. Note that in Python 3, urllib2 was merged in to urllib as urllib.

Therefore, this script works only in Python 2. The open method accepts two parameters, the path to the local file and the mode in which data will be written. Here "wb" states that the open method should have permission to write binary data to the given file.

Execute the above script and go to your "Downloads" directory. You should see the downloaded pdf document as "cat2.

You can also download files using requests module. The get method of the requests module is used to download the file contents in binary format. You can then use the open method to open a file on your system, just like we did with the previous method, urllib2. In the above script, the open method is used once again to write binary data to local file.

If you execute the above script and go to your "Downloads" directory, you should see your newly downloaded JPG file named "cat3. With the requests module, you can also easily retrieve relevant meta-data about your request, including the status code, headers and much more. In the above script, you can see how we access some of this meta-data.

If you need to add customer headers, for example, all you need to do is create a dict with your headers and pass it to your get request:. Check out our hands-on, practical guide to learning Git, with best-practices, industry-accepted standards, and included cheat sheet.