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r.category: Add optional JSON input for r.category #6991

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sumitchintanwar wants to merge 3 commits intoOSGeo:mainfrom
sumitchintanwar:feat/r-category-support-json-inputs
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r.category: Add optional JSON input for r.category #6991
sumitchintanwar wants to merge 3 commits intoOSGeo:mainfrom
sumitchintanwar:feat/r-category-support-json-inputs

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@sumitchintanwar sumitchintanwar commented Jan 28, 2026 •
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Fixes #4072
This PR adds optional JSON support for r.category rule files to reduce formatting errors and improve usability with external tools.

The changes are split into 3 parts:

  1. Declaration/helper addition at the header
  2. Core JSON parsing and Integration
  3. Tests for JSON rules input

All 12 tests passed.


platform linux -- Python 3.10.12, pytest-9.0.2, pluggy-1.6.0 -- /usr/bin/python3
cachedir: .pytest_cache
rootdir: /home/sumit/grass/grass-8.4.latest.git
configfile: pyproject.toml
collected 12 items                                                                                                                                                                                                                                                                                                   

r_category_test.py::test_r_category_plain_output PASSED                                                                                                                                                                                                                                                        [  8%]
r_category_test.py::test_r_category_default_separator PASSED                                                                                                                                                                                                                                                   [ 16%]
r_category_test.py::test_r_category_with_range PASSED                                                                                                                                                                                                                                                          [ 25%]
r_category_test.py::test_r_category_float_map PASSED                                                                                                                                                                                                                                                           [ 33%]
r_category_test.py::test_r_category_separator_variants PASSED                                                                                                                                                                                                                                                  [ 41%]
r_category_test.py::test_r_category_input_separators PASSED                                                                                                                                                                                                                                                    [ 50%]
r_category_test.py::test_r_category_multiword_input PASSED                                                                                                                                                                                                                                                     [ 58%]
r_category_test.py::test_r_category_extreme_incorrect_values PASSED                                                                                                                                                                                                                                            [ 66%]
r_category_test.py::test_r_category_json_output PASSED                                                                                                                                                                                                                                                         [ 75%]
r_category_test.py::test_r_category_with_json_output_color PASSED                                                                                                                                                                                                                                              [ 83%]
r_category_test.py::test_r_category_with_plain_output_color PASSED                                                                                                                                                                                                                                             [ 91%]
r_category_test.py::test_r_category_json_input PASSED                                                                                                                                                                                                                                                          [100%]

@sumitchintanwar sumitchintanwar force-pushed the feat/r-category-support-json-inputs branch from a5a6d61 to 0159396 Compare January 28, 2026 21:18
@github-actions github-actions bot added raster Related to raster data processing Python Related code is in Python C Related code is in C libraries module tests Related to Test Suite labels Jan 28, 2026
@sumitchintanwar sumitchintanwar mentioned this pull request Jan 28, 2026
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[Feat] r.category: support JSON rules file

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