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Here, each view starts by checking that request.user is authenticated — that is, the current user has successfully logged into the site — and redirects to /accounts/login/ if not.

It would be nice if we could remove that bit of repetitive code from each of these views and just mark them as requiring authentication.

Now, we can remove the if not request.user.is_authenticated() checks from our views and simply wrap them with requires_login in our URLconf:

1. What am I trying to say? 2. What words will express it? 3. What image or idiom will make it clearer? 4. Is this image fresh enough to have an effect? And he will probably ask himself two more: 1. Could I put it more shortly? 2. Have I said anything that is avoidably ugly?

What is above all needed is to let the meaning choose the word, and not the other way around.

When you think of a concrete object, you think wordlessly, and then, if you want to describe the thing you have been visualizing you probably hunt about until you find the exact words that seem to fit it. When you think of something abstract you are more inclined to use words from the start, and unless you make a conscious effort to prevent it, the existing dialect will come rushing in and do the job for you, at the expense of blurring or even changing your meaning

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