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Python 3-based commandline converter YAML ↔ JSON ↔ PLIST

Project description

Convert between JSON, YAML and PLIST (binary and XML) in the commandline. Can be used in piping. Written in Python 3.7 (not 2.7 compatible).


pip3 install --user --upgrade yaplon
pip3 install --user --upgrade git+


yaplon j2p|j2y|p2j|p2y|y2j|y2p -i input -o output [options]


j2p  -i JSON  -o PLIST [-b] (make binary PLIST)
j2y  -i JSON  -o YAML  [-m] (minify)
p2j  -i PLIST -o JSON  [-m] (minify) [-b] (keep binary)
p2y  -i PLIST -o YAML  [-m] (minify)
y2j  -i YAML  -o JSON  [-m] (minify) [-b] (keep binary)
y2p  -i YAML  -o PLIST [-b] (make binary PLIST)

Also installs direct CLI tools: json22plist, json22yaml, plist22json, plist22yaml, yaml22json, yaml22plist that correspond to the commands. Note that they have 22 rather than 2 in the filenames, so they don’t conflict with other similar (often single-purpose) tools that you may have.



File to file via the dedicated CLI tool:

$ json22yaml -i input.json -o output.yaml

Using pipe redirects, via the yaplon tool with j2y command:

$ yaplon j2y < input.json > output.yaml

Read file, output minified to stdout, via the Python 3 module

$ python3 -m yaplon j2y -m -i input.json


Read PLIST file, output minified JSON file, via the dedicated CLI tool.

$ plist22json -m -i input.plist > output.json

Read plist file, output minified JSON to stdout, via the yaplon tool with p2j command.

$ yaplon p2j -m -i input.plist


  • 1.2.3: bugfix
  • 1.2.1: added support for orderedattrdict.AttrDict
  • 1.1.0: added -s for sorting data
  • 1.0.8: initial public release

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