mime_dict = {
'ai':'application/postscript',
'aif':'audio/x-aiff',
'aifc':'audio/x-aiff',
'aiff':'audio/x-aiff',
'asc':'text/plain',
'atom':'application/atom+xml',
'au':'audio/basic',
'avi':'video/x-msvideo',
'bcpio':'application/x-bcpio',
'bin':'application/octet-stream',
'bmp':'image/bmp',
'cdf':'application/x-netcdf',
'cgm':'image/cgm',
'class':'application/octet-stream',
'cpio':'application/x-cpio',
'cpt':'application/mac-compactpro',
'csh':'application/x-csh',
'css':'text/css',
'dcr':'application/x-director',
'dif':'video/x-dv',
'dir':'application/x-director',
'djv':'image/vnd.djvu',
'djvu':'image/vnd.djvu',
'dll':'application/octet-stream',
'dmg':'application/octet-stream',
'dms':'application/octet-stream',
'doc':'application/msword',
'dtd':'application/xml-dtd',
'dv':'video/x-dv',
'dvi':'application/x-dvi',
'dxr':'application/x-director',
'eps':'application/postscript',
'etx':'text/x-setext',
'exe':'application/octet-stream',
'ez':'application/andrew-inset',
'gif':'image/gif',
'gram':'application/srgs',
'grxml':'application/srgs+xml',
'gtar':'application/x-gtar',
'hdf':'application/x-hdf',
'hqx':'application/mac-binhex40',
'htm':'text/html',
'html':'text/html',
'ice':'x-conference/x-cooltalk',
'ico':'image/x-icon',
'ics':'text/calendar',
'ief':'image/ief',
'ifb':'text/calendar',
'iges':'model/iges',
'igs':'model/iges',
'jnlp':'application/x-java-jnlp-file',
'jp2':'image/jp2',
'jpe':'image/jpeg',
'jpeg':'image/jpeg',
'jpg':'image/jpeg',
'js':'application/x-javascript',
'kar':'audio/midi',
'latex':'application/x-latex',
'lha':'application/octet-stream',
'lzh':'application/octet-stream',
'm3u':'audio/x-mpegurl',
'm4a':'audio/mp4a-latm',
'm4b':'audio/mp4a-latm',
'm4p':'audio/mp4a-latm',
'm4u':'video/vnd.mpegurl',
'm4v':'video/x-m4v',
'mac':'image/x-macpaint',
'man':'application/x-troff-man',
'mathml':'application/mathml+xml',
'me':'application/x-troff-me',
'mesh':'model/mesh',
'mid':'audio/midi',
'midi':'audio/midi',
'mif':'application/vnd.mif',
'mov':'video/quicktime',
'movie':'video/x-sgi-movie',
'mp2':'audio/mpeg',
'mp3':'audio/mpeg',
'mp4':'video/mp4',
'mpe':'video/mpeg',
'mpeg':'video/mpeg',
'mpg':'video/mpeg',
'mpga':'audio/mpeg',
'ms':'application/x-troff-ms',
'msh':'model/mesh',
'mxu':'video/vnd.mpegurl',
'nc':'application/x-netcdf',
'oda':'application/oda',
'ogg':'application/ogg',
'pbm':'image/x-portable-bitmap',
'pct':'image/pict',
'pdb':'chemical/x-pdb',
'pdf':'application/pdf',
'pgm':'image/x-portable-graymap',
'pgn':'application/x-chess-pgn',
'pic':'image/pict',
'pict':'image/pict',
'png':'image/png',
'pnm':'image/x-portable-anymap',
'pnt':'image/x-macpaint',
'pntg':'image/x-macpaint',
'ppm':'image/x-portable-pixmap',
'ppt':'application/vnd.ms-powerpoint',
'ps':'application/postscript',
'qt':'video/quicktime',
'qti':'image/x-quicktime',
'qtif':'image/x-quicktime',
'ra':'audio/x-pn-realaudio',
'ram':'audio/x-pn-realaudio',
'ras':'image/x-cmu-raster',
'rdf':'application/rdf+xml',
'rgb':'image/x-rgb',
'rm':'application/vnd.rn-realmedia',
'roff':'application/x-troff',
'rtf':'text/rtf',
'rtx':'text/richtext',
'sgm':'text/sgml',
'sgml':'text/sgml',
'sh':'application/x-sh',
'shar':'application/x-shar',
'silo':'model/mesh',
'sit':'application/x-stuffit',
'skd':'application/x-koan',
'skm':'application/x-koan',
'skp':'application/x-koan',
'skt':'application/x-koan',
'smi':'application/smil',
'smil':'application/smil',
'snd':'audio/basic',
'so':'application/octet-stream',
'spl':'application/x-futuresplash',
'src':'application/x-wais-source',
'sv4cpio':'application/x-sv4cpio',
'sv4crc':'application/x-sv4crc',
'svg':'image/svg+xml',
'swf':'application/x-shockwave-flash',
't':'application/x-troff',
'tar':'application/x-tar',
'tcl':'application/x-tcl',
'tex':'application/x-tex',
'texi':'application/x-texinfo',
'texinfo':'application/x-texinfo',
'tif':'image/tiff',
'tiff':'image/tiff',
'tr':'application/x-troff',
'tsv':'text/tab-separated-values',
'txt':'text/plain',
'ustar':'application/x-ustar',
'vcd':'application/x-cdlink',
'vrml':'model/vrml',
'vxml':'application/voicexml+xml',
'wav':'audio/x-wav',
'wbmp':'image/vnd.wap.wbmp',
'wbmxl':'application/vnd.wap.wbxml',
'wml':'text/vnd.wap.wml',
'wmlc':'application/vnd.wap.wmlc',
'wmls':'text/vnd.wap.wmlscript',
'wmlsc':'application/vnd.wap.wmlscriptc',
'wrl':'model/vrml',
'xbm':'image/x-xbitmap',
'xht':'application/xhtml+xml',
'xhtml':'application/xhtml+xml',
'xls':'application/vnd.ms-excel',
'xml':'application/xml',
'xpm':'image/x-xpixmap',
'xsl':'application/xml',
'xslt':'application/xslt+xml',
'xul':'application/vnd.mozilla.xul+xml',
'xwd':'image/x-xwindowdump',
'xyz':'chemical/x-xyz',
'zip':'application/zip',
}