puremagic

detecting when file is done downloading python

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Detecting when file is done downloading python - messages

Compatibility

Using travis-ci to run continuous integration tests on listed platforms.

Install

In either a virtualenv or globally, simply run:

$ python www.cronistalascolonias.com.ar install

Usage

“from_file” will return the most likely file extension. “magic_file” will give you every possible result it finds, as well as the confidence.

importpuremagicfilename="test/resources/images/www.cronistalascolonias.com.ar"ext=www.cronistalascolonias.com.ar_file(filename)# '.gif'www.cronistalascolonias.com.ar_file(filename)# [['.gif', 'image/gif', 'Graphics interchange format file (GIF87a)', ],# ['.gif', '', 'GIF file', ]]

With “magic_file” it gives each match, highest confidence first:

possible extension(s)
mime type
description
confidence (All headers have to perfectly match to make the list, however this orders it by longest header, therefore most precise, first)

Script

Usage

$ python -m puremagic [options] filename <filename2>

Examples

$ python -m puremagic test/resources/images/www.cronistalascolonias.com.ar 'test/resources/images/www.cronistalascolonias.com.ar' : .gif $ python -m puremagic -m test/resources/images/www.cronistalascolonias.com.ar test/resources/audio/www.cronistalascolonias.com.ar3 'test/resources/images/www.cronistalascolonias.com.ar' : image/gif 'test/resources/audio/www.cronistalascolonias.com.ar3' : audio/mpeg

FAQ

The file type is actually X but it’s showing up as Y with higher confidence?

This can happen when the file’s signature happens to match a subset of a file standard. The subset signature will be longer, therefore report with greater confidence, because it will have both the base file type signature plus the additional subset one.

You don’t have sliding offsets that could better detect plenty of common formats, why’s that?

Design choice, so it will be a lot faster and more accurate. Without more intelligent or deeper identification past a sliding offset I don’t feel comfortable including it as part of a ‘magic number’ library.

Your version isn’t as complete as I want it to be, where else should I look?

Look into python modules that wrap around libmagic or use something like Apache Tika.

License

MIT Licenced, see LICENSE, Copyright (c) Chris Griffith

Источник: www.cronistalascolonias.com.ar

detecting when file is done downloading python

Detecting when file is done downloading python