C# Download File HTTP (WebRequest) WebRequest and WebResponse. It is becoming increasingly important for C#.NET applications to interact with the internet. Let's explore how to accomplish the most basic task, which is connecting to a URL to download data, whether it'd be a file or a webpage. There are several ways to accomplish the task with. Requests is a versatile HTTP library in python with various applications. One of its applications is to download a file from web using the file URL. Installation: First.
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Join For FreeDownloading files from the internet is something that almost every programmer will have to do at some point. Python provides several ways to do just that in its standard library. 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 downloads. Finally there’s a new 3rd party module that’s getting a lot of buzz called requests. We’ll be focusing on the two urllib modules and requests for this article.
Since this is a pretty simple task, we’ll just show a quick and dirty script that downloads the same file with each library and names the result slightly differently. We will download a zipped file from this very blog for our example script. Let’s take a look:
As you can see, urllib is just a one-liner. It’s simplicity makes it very easy to use. On the other hand, the other two libraries are very simple too. For urllib2, you just have to open the url and then read it and write the data out. In fact, you could reduce that part of the script by one line by just doing the following:
Either way, it works quite well. The requests library method is get, which corresponds to the HTTP GET. Then you just take the requests object and call its content property to get the data you want to write. We use the with statement because it will automatically close a file and simplifies the code. 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.
There you have it! Now you too can start downloading files using Python.
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If you need to download a file, web page, or other URL to your hard drive quickly, you can actually do so in Firefox with a quick and simple keystroke.
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Perhaps you want to download a full web page, or maybe you just want to download that video that Firefox keeps opening with a plugin rather than downloading it to your hard drive. Whatever it is, you can download it quickly by pasting its URL right into Firefox's Download window. It isn't the only way to download things (you could always right-click on the link and choose 'Save Link As', but it's just another quick way to do so without any dialogs popping up or anything like that.
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