open2 not handling TIFF stack correctly

[goddard@…]

The following bug report has been submitted:
Platform:        Darwin-19.4.0-x86_64-i386-64bit
ChimeraX Version: 0.94 (2020-04-20)
Description
open2 does not seem to open tif files while open works correctly.

Log:
UCSF ChimeraX version: 0.94.dev202004200102 (2020-04-20)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /Users/goddard/bennu/global_mosaic_4x.tif

Opened global_mosaic_4x.tif, grid size 12675,6338,1, pixel 1, shown at step 4,
values uint8  

> open2 /Users/goddard/bennu/global_mosaic_4x.tif

Traceback (most recent call last):  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/cmd_line/tool.py", line 258, in execute  
cmd.run(cmd_text)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2848, in run  
result = ci.function(session, **kw_args)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 86, in cmd_open  
Command(session, registry=registry).run(provider_cmd_text, log=log)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2848, in run  
result = ci.function(session, **kw_args)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 124, in provider_open  
opener_info.open, (session, paths, name), provider_kw)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/open_command/cmd.py", line 355, in collated_open  
return func(*func_args, **func_kw)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/__init__.py", line 147, in open  
return open_map(session, path, format=_name, **kw)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 3283, in open_map  
grids = data.open_file(path, file_type = format, log = session.logger, **kw)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/data/fileformats.py", line 144, in open_file  
fmt = file_format_by_name(file_type)  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/data/fileformats.py", line 202, in file_format_by_name  
raise ValueError('Unknown map file format %s' % name)  
ValueError: Unknown map file format images  
  
ValueError: Unknown map file format images  
  
File "/Users/goddard/Desktop/ChimeraX Apr 20
2020.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/data/fileformats.py", line 202, in file_format_by_name  
raise ValueError('Unknown map file format %s' % name)  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 ATI-3.8.24
OpenGL renderer: AMD Radeon Pro Vega 20 OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

[Eric Pettersen]

format-name checking also needed to check against prefixes