from osgeo import gdal, gdalconst, osr

def get_raster_info(src_raster_uri):

    dataset = gdal.Open(src_raster_uri, gdalconst.GA_ReadOnly)

    projection_wkt = dataset.GetProjection()
    srs = osr.SpatialReference(wkt = projection_wkt)

    out_raster_info = {"Description":dataset.GetDescription(),\
                       "DriverName":dataset.GetDriver().ShortName,\
                       "ProjectionName":srs.GetAttrValue("LOCAL_CS", 0),\
                       "ProjectionEPSG":int(srs.GetAttrValue("LOCAL_CS|AUTHORITY", 1)),\
                       "DistanceUnit":srs.GetAttrValue("LOCAL_CS|UNIT", 0),\
                       "PixelNumber_X,Y,All":(dataset.RasterXSize, dataset.RasterYSize, dataset.RasterXSize * dataset.RasterYSize ),\
                       "RasterOrigin_X,Y":(dataset.GetGeoTransform()[0], dataset.GetGeoTransform()[3]),\
                       "OnePixelSize_X,Y":(dataset.GetGeoTransform()[1], dataset.GetGeoTransform()[5]),\
                       "Rotation":dataset.GetGeoTransform()[2],\
                       "Metadata":dataset.GetMetadata()
                      }

    return out_raster_info