added an alias check for the ds9 path

spacetelescope / imexam

imexam is a python tool for simple image examination, and plotting, with similar functionality to IRAF's imexamine

http://imexam.readthedocs.io

BSD 3-Clause "New" or "Revised" License

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added an alias check for the ds9 path #168

Closed sosey closed 5 years ago

sosey commented 5 years ago

see #167

This adds a check to see if the user aliased the executable for ds9. It will first look for ds9 on the PATH and then on the alias. If users want otherwise they should specify using the path argument to connect()

coveralls commented 5 years ago

Coverage decreased (-0.03%) to 28.515% when pulling 2c5f1939e4584d80bd6baddc2cf09de132c442b3 on sosey:add-ds9-alias into 65873986d34f56e86199904fa2a5fae63627caa4 on spacetelescope:master.

sosey commented 5 years ago

The tests are failing from astropy doc updates, I might merge this anyways and then submit a new PR for the document fixes