zenmai

toylang on yaml or json

command line example

main.yaml

code:
  $import: ./filters.py
  as: f
definitions:
  $let:
    nums: {$load: ./nums.yaml#/definitions/nums0/enum}
  odds:
    type: integer
    enum:
      $f.odds: {$get: nums}
  even:
    type: integer
    enum:
      $f.evens: {$get: nums}

nums.yaml

definitions:
  nums0:
    type: integer
    enum:
      [1, 2, 3, 4, 5, 6]
  nums1:
    type: integer
    enum:
      [1, 2, 3, 5, 7, 11]

filters.py

def odds(nums):
    return [n for n in nums if n % 2 == 1]


def evens(nums):
    return [n for n in nums if n % 2 == 0]

run.

$ zenmai examples/readme2/main.yaml

output

zenmai main.yaml
definitions:
  odds:
    type: integer
    enum:
    - 1
    - 3
    - 5
  even:
    type: integer
    enum:
    - 2
    - 4
    - 6

config loader

using zenmai as config loader.

from zenma.loader import load

with open("config.yaml") as rf:
    d = load(rf)