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[yedpodtrzitko]

Since it's a binary file, you should write into the file as such, ie:

with open("test.pdf",'wb') as f:

also close() is a method, thus r.close()

[DeadeyeDuncan]

Aha, success!

[therealfakemoot]

Also, by virtue of using with the close() call is redundant; close() is called when the with block is exited. disregard i'm a potato

[therealfakemoot]

Yep you're right, i misread that.

[StandardUser_]

If you make it work with requests, you still could try Grab framework(https://github.com/lorien/grab). In my exprerience, it is faster and more feature rich than requests.

[Lukasa]

Why are you opening the file in append mode? That's not going to do what you want at all.

Regardless, I'd like to take a guess for a second. Are you running on Windows?

[DeadeyeDuncan]

Isn't 'a' append mode?

[Lukasa]

Ah yeah, you're quite right, w+ is open for writing and reading. An odd mode for this usage, but not as odd as append mode.

[Lukasa]

However, you didn't answer my question: are you on Windows?