Feature Request: Use strings instead of numbers for oem and psm

[amitdo]

Your Feature Request

Use strings instead of numbers for oem and psm in the command line.

[stweil]

Which strings would you suggest? The macro names from include/tesseract/publictypes.h, maybe without the "OEM_" and "PSM_" prefixes? Upper or lower case?

[amitdo]

Stefan, this was suggested by you 6 years ago here:

#1604 (comment)

I‌ wonder whether we should drop the numeric values and replace them by symbolic strings (e. g. --oem lstm+legacy).

I added the psm part:

Same idea for psm.

--psm <mode> modes: osd, auto, auto-osd, column, block, word. char...

[amitdo]

@Shreeshrii commented on Jun 25, 2018

Symbolic strings is a good idea. However for compatibility, I would suggest also supporting the existing numeric values, both for oem and psm.

[amitdo]

Stefan, you used a 'confused' emoji as reaction to one of my comments. What confused you?

[stweil]

Sorry, it was the wrong choice. I was surprised that you remembered things which I had written 6 years ago. Perhaps I was also a little bit confused why this feature was never implemented up to now. I think I'll not wait longer, but implement it (if nobody else wants to do it).

[stweil]

It's now implemented in Git master. Does this require a new minor release, or is a bugfix release sufficient?