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Infer file type and MIME type of any file/buffer. No external dependencies.

Project description

Small and dependency free Python package to infer file type and MIME type checking the magic numbers signature of a file or buffer.

This is a Python port from filetype Go package.

Features

  • Simple and friendly API

  • Supports a wide range of file types

  • Provides file extension and MIME type inference

  • File discovery by extension or MIME type

  • File discovery by kind (image, video, audio…)

  • Pluggable: add new custom type matchers

  • Fast, even processing large files

  • Only first 261 bytes representing the max file header is required, so you can just pass a list of bytes

  • Dependency free (just Python code, no C extensions, no libmagic bindings)

  • Cross-platform file recognition

Installation

pip install filetype

API

See annotated API reference.

Examples

Simple file type checking

import filetype

def main():
    kind = filetype.guess('tests/fixtures/sample.jpg')
    if kind is None:
        print('Cannot guess file type!')
        return

    print('File extension: %s' % kind.extension)
    print('File MIME type: %s' % kind.mime)

if __name__ == '__main__':
    main()

Supported types

Image

  • dwg - image/vnd.dwg

  • xcf - image/x-xcf

  • jpg - image/jpeg

  • jpx - image/jpx

  • png - image/png

  • apng - image/apng

  • gif - image/gif

  • webp - image/webp

  • cr2 - image/x-canon-cr2

  • tif - image/tiff

  • bmp - image/bmp

  • jxr - image/vnd.ms-photo

  • psd - image/vnd.adobe.photoshop

  • ico - image/x-icon

  • heic - image/heic

  • avif - image/avif

Video

  • 3gp - video/3gpp

  • mp4 - video/mp4

  • m4v - video/x-m4v

  • mkv - video/x-matroska

  • webm - video/webm

  • mov - video/quicktime

  • avi - video/x-msvideo

  • wmv - video/x-ms-wmv

  • mpg - video/mpeg

  • flv - video/x-flv

Audio

  • aac - audio/aac

  • mid - audio/midi

  • mp3 - audio/mpeg

  • m4a - audio/mp4

  • ogg - audio/ogg

  • flac - audio/x-flac

  • wav - audio/x-wav

  • amr - audio/amr

  • aiff - audio/x-aiff

Archive

  • br - application/x-brotli

  • rpm - application/x-rpm

  • dcm - application/dicom

  • epub - application/epub+zip

  • zip - application/zip

  • tar - application/x-tar

  • rar - application/x-rar-compressed

  • gz - application/gzip

  • bz2 - application/x-bzip2

  • 7z - application/x-7z-compressed

  • xz - application/x-xz

  • pdf - application/pdf

  • exe - application/x-msdownload

  • swf - application/x-shockwave-flash

  • rtf - application/rtf

  • eot - application/octet-stream

  • ps - application/postscript

  • sqlite - application/x-sqlite3

  • nes - application/x-nintendo-nes-rom

  • crx - application/x-google-chrome-extension

  • cab - application/vnd.ms-cab-compressed

  • deb - application/x-deb

  • ar - application/x-unix-archive

  • Z - application/x-compress

  • lzo - application/x-lzop

  • lz - application/x-lzip

  • lz4 - application/x-lz4

  • zstd - application/zstd

Document

  • doc - application/msword

  • docx - application/vnd.openxmlformats-officedocument.wordprocessingml.document

  • odt - application/vnd.oasis.opendocument.text

  • xls - application/vnd.ms-excel

  • xlsx - application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

  • ods - application/vnd.oasis.opendocument.spreadsheet

  • ppt - application/vnd.ms-powerpoint

  • pptx - application/vnd.openxmlformats-officedocument.presentationml.presentation

  • odp - application/vnd.oasis.opendocument.presentation

Font

  • woff - application/font-woff

  • woff2 - application/font-woff

  • ttf - application/font-sfnt

  • otf - application/font-sfnt

Application

  • wasm - application/wasm

Project details


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