Forbid uploaded image file names that have spaces in them

[Wayne Shirley]

I need to prevent a user from being able to upload an image file that has spaces in the file name.

Eventually the filename will be included in a url as part of a CMS.

Is there a built-in function in web2py that does this?

How to go about this?

Thanks.

[Massimiliano]

Maybe you can manage the thing server side.

Take a look here: 

 

https://stackoverflow.com/questions/18951515/how-can-i-create-unique-slugs-for-url-use-in-web2py

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Massimiliano

[Leonel Câmara]

Slugs are indeed a good idea, but if you really want to force no spaces you can use a regex with IS_FILE.

Something like requires=IS_FILE(filename=re.compile('^[^\s]+$'))

Note that you probably still want to use IS_SLUG because this will not prevent people from using \, /, ?, .. and other stuff that you probably don't want in URLs