yaml-sort

sort yaml file (even generated by opencv with bugs)

how to install

# for avoiding 'pip Installing collected packages: UNKNOWN'
pip3 install setuptools --upgrade
pip3 install https://github.com/umaumax/yaml-sort/archive/master.tar.gz

how to use

yaml-sort in.yml
yaml-sort in.yml out.yml

yaml-diff

diff -U 100 <(yaml-sort sample1.yml) <(yaml-sort sample2.yml)

TODO

• write test code

---

[test.yml]

%YAML:1.0
---
set:
   - { x:1, y:2, x:[ 1, 0, 0, 1, 1, 0, 1, 1 ] }
tag:     !!hello
   cols: 3
   rows: 4
   data: [1,-2,3]
abc:     1234
date:    "Fri Jul 26 23:42:37 2019"

• %YAML:x.x: version
• ---: データ区切り
  • YAML Ain’t Markup Language (YAML™) Version 1.2
• !!xxx: tag
  • YAML Ain’t Markup Language (YAML™) Version 1.2
    • see: Secondary Handle

The Official YAML Web Site

---

• %YAML:1.0: これは正しくは%YAML 1.0

  • YAML Ain’t Markup Language (YAML™) Version 1.2
    • %YAMLで検索すると正しい例がヒットする(ただし，このフォーマットが正式かどうかについての定義は見つからず)

• How to skip lines when reading a yaml file in python? - Stack Overflow

  • 非常に参考になる

• pyyaml - yaml.scanner.ScannerError: while scanning a directive - Stack Overflow

• How do I load an OpenCV generated yaml file in python? - OpenCV Q&A Forum

---

PyYAML

pip install -U PyYAML

yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:opencv-matrix'

CloudFormationのYAMLをPyYAMLで読み込む - GALACTIC1969 - Medium

go-yaml/yaml

下記がパースできない

%YAML:1.0

これは，opencv側のbugらしいので，その点では問題ない

abc: {x:[12,3]}

---

FMI

• for pip packaging umaumax/gtrans