adding support for manga cubes

jdaviz/core/data_formats.py

@@ -259,6 +259,14 @@ def identify_helper(filename, ext=1):
             elif n_axes == 1:
                 return 'specviz'
 
+    try:
+        # try using the specutils registry:
+        valid_format, config = identify_data(filename)
+        return config
+    except ValueError:
+        # if file type not recognized:
+        pass
+
     if n_axes == 2 and not has_spectral_axis:
         # at this point, non-spectral 2D data are likely images:
         return 'imviz'

jdaviz/core/tests/test_data_menu.py

@@ -111,3 +111,15 @@ def test_auto_config_detection(uri, expected_helper):
     fn = download_file(url, cache=True)
     helper_name = identify_helper(fn)
     assert helper_name == expected_helper
+
+
+@pytest.mark.remote_data
+@pytest.mark.filterwarnings(r"ignore::astropy.wcs.wcs.FITSFixedWarning")
+def test_auto_config_manga():
+    # Check that MaNGA cubes go to cubeviz. This file is
+    # originally from
+    # https://data.sdss.org/sas/dr14/manga/spectro/redux/v2_1_2/7495/stack/manga-7495-12704-LOGCUBE.fits.gz
+    URL = 'https://stsci.box.com/shared/static/28a88k1qfipo4yxc4p4d40v4axtlal8y.fits'
+    fn = download_file(URL, cache=True)
+    helper_name = identify_helper(fn)
+    assert helper_name == 'cubeviz'