Here is an example that works: import urllib2 def main(): download_file("http:// ininenzero.cf") def download_file(download_url): response . urllib2 is a Python module for fetching URLs (Uniform Resource Locators). It offers a very simple interface, in the form of the urlopen function. import ininenzero.cft print('Beginning file download with urllib2. You should see the downloaded pdf document as "ininenzero.cf".

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This can be done over HTTP using the urllib package or the requests library. This tutorial will discuss how Download PDF Files With Python. slightly differently. We will download a zipped file from this very blog for our example script. Let's take a look: # Python 2 code import urllib import urllib2 import requests url Print Friendly, PDF & Email. Facebook Twitter. Probably the most popular way to download a file is over HTTP using the urllib or urllib2 module. Python also comes with ftplib for FTP.

We've included it here due to is popularity in Python 2. Another way to download files in Python is via the urllib2 module. The urlopen method of the urllib2 module returns an object that contains file data. To read the contents of. 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.

How To: Download a File With Python

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:.

There are a ton more options and features to this library, so check out their great user guide for more info on how to use it. One of the simplest way to download files in Python is via wget module, which doesn't require you to open the destination file. The download method of the wget module downloads files in just one line.

The method accepts two parameters: Here you should see your newly downloaded "cat4. In this article we presented four of the most commonly used methods to download files in Python. Personally, I prefer to use the request module for downloading files due to its combination of simplicity and power. However, your project may have constraints preventing you from using 3rd party libraries, in which case I'd use the urllib2 module for Python 2 or the urllib.

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Subscribe to our newsletter! Toggle navigation Stack Abuse. Here are just a few web application functions that require downloading files: Using the urllib.

Let's take a look at the following example: Using the urllib2 Module Another way to download files in Python is via the urllib2 module. Note that just using "read " can be dangerous if the file is large. It would be better to read it in pieces by passing read a size. See the original article here. Over a million developers have joined DZone. Let's be friends: How To: Download a File With Python.

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How to use urllib2 in Python

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Join For Free. In fact, you could reduce that part of the script by one line by just doing the following: There you have it! Now you too can start downloading files using Python.

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This represents the space character. Download files with Urllib2 This small script will download a file from pythonforbeginners.

These are provided by objects called handlers and openers. Get occassional tutorials, guides, and reviews in your inbox.

Downloading files from different online resources is one of the most important and common programming tasks to perform on the web.

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