Python使用filetype精确判断文件类型 (文件类型获取)
filetype.py
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. Works in Python +3 .
一个小巧自由开放Python开发包，主要用来获得文件类型。包要求Python 3.+
功能特色
•简单友好的API
•支持宽范围文件类型
•提供文件扩展名和MIME类型判断
•文件的MIME类型扩展新增
•通过文件（图像、视频、音频…）简单分析
•可插拔：添加新的自定义类型的匹配
•快，即使处理大文件
•只需要前261个字节表示的最大文件头，这样你就可以通过一个单字节
•依赖自由（只是Python代码，没有C的扩展，没有libmagic绑定）
•跨平台文件识别
安装
pip install filetype
API
详情请查看 annotated API reference .
实例
简单的文件类型识别
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()
支持类型 图片 • jpg – image/jpeg • png – image/png • 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 视频 • 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 音频 • mid – audio/midi • mp3 – audio/mpeg • m4a – audio/m4a • ogg – audio/ogg • flac – audio/x-flac • wav – audio/x-wav • amr – audio/amr 资料库 • 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 • lz – application/x-lzip 字体 • woff – application/font-woff • woff2 – application/font-woff • ttf – application/font-sfnt • otf – application/font-sfnt
