Provide timeout for flickr REST calls

[sybrenstuvel]

Originally reported by: Domen Kožar (Bitbucket: iElectric, GitHub: Unknown)

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In case the website is down, it would be wise to set timeout to 3 seconds or similar

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• Bitbucket: https://bitbucket.org/sybren/flickrapi/issue/27

[sybrenstuvel]

Original comment by Sybren Stüvel (Bitbucket: sybren, GitHub: sybren):

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This is a good idea.

In the mean time, you can use http://docs.python.org/3/library/socket.html#socket.setdefaulttimeout to simply set a default timeout before performing your FlickrAPI call.

[sybrenstuvel]

Original comment by Domen Kožar (Bitbucket: iElectric, GitHub: Unknown):

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socket.setdefaulttimeout changes global state, which can lead to unexpected problems, but for now it will do :)