Common resource formats for open data portals (developed as part of the geo.data.gov project - Original at https://github.com/okfn/ckanext-geodatagov/blob/master/ckanext/geodatagov/plugins.py#L57

gistfile1.py

RESOURCE_MAPPING = {
    'text/html': ('HTML', 'Web Page'),
    'application/zip': ('ZIP', 'Zip File'),
    'application/xml': ('XML', 'XML File'),
    'application/netcdf': ('NetCDF', 'NetCDF File'),
    'application/pdf': ('PDF', 'PDF File'),
    'application/x-msdownload': ('EXE', 'Windows Executable Program'),
    'application/rdf+xml': ('RDF', 'RDF'),
    'application/rss+xml': ('RSS', 'RSS feed'),
    'application/json': ('JSON', 'JavaScript Object Notation'),
    'application/vnd.ms-excel': ('Excel', 'Excel Document'),
    'application/x-tar': ('TAR', 'TAR Compressed File'),  
    'arcgis_rest': ('Esri REST', 'Esri Rest API Endpoint'),
    'wms': ('WMS', 'Web Mapping Service'),
    'application/rar': ('RAR', 'RAR Compressed File'),
    'application/x-qgis': ('QGIS', 'QGIS File'),
    'wfs': ('WFS', 'Web Feature Service'),
    'text/plain': ('TXT', 'Text File'),
    'application/x-msaccess': ('Access', 'Access Database'),
    'iamge/jpeg': ('JPEG', 'JPG Image File'),
    'image/x-mrsid': ('MrSID', 'MrSID'),
    'application/vnd.google-earth.kml+xml': ('KML', 'KML File'),
    'image/tiff': ('TIFF', 'TIFF Image File'),
    'application/vnd.google-earth.kmz': ('KMZ', 'KMZ File'),
    'wcs': ('WCS', 'Web Coverage Service'),
    'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': ('Office Open XML Spreadsheet', 'Office Open XML Spreadsheet'),
    'application/application/vnd.openxmlformats-officedocument.wordprocessingml.document': ('Office Open XML Document', 'Office Open XML Document'),
    'text/x-perl': ('Perl', 'Perl Script'),
    'application/msword': ('DOC', 'Microsoft Word File'),
    'text/csv': ('CSV', 'Comma Seperated Values File'),
    'image/x-ms-bmp': ('BMP', 'Bitmap Image File'),
    'image/gif': ('GIF', 'GIF Image File'),
    'image/svg+xml': ('SVG', 'SVG vector image'),
    'chemical/x-xyz': ('XYZ', 'XYZ Chemical File'),
    'image/png': ('PNG', 'PNG Image File'),
    'web map application': ('ArcGIS Online Map', 'ArcGIS Online Map'),
    'arcgis map preview': ('ArcGIS Map Preview', 'ArcGIS Map Preview'),
    'arcgis map service': ('ArcGIS Map Service', 'ArcGIS Map Service'),
}