65 lines
1.8 KiB
Python
65 lines
1.8 KiB
Python
"""
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List generator
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--------------
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This function ignores tree structure and works with lists
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>>> values = list_generator(["a", "a*b", "b", "c"], conditions=["b%c==1"])
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>>> values # doctest: +SKIP
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{'a': -8, 'a*b': -40, 'b': 5, 'c': 4}
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"""
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from .core.generate import random_generator
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from .core.grammar import extract_letters, eval_words
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DEFAUTL_CONFIG = {
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"rejected": [0],
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"min_max": (-10, 10),
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}
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def list_generator(
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template: list[str],
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conditions: list[str] = [],
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global_config: dict = {},
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configs: dict = {},
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) -> list[int]:
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"""Generate random computed values from the list
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:param rd_variables: list of random variables to generate (can be computed value - "a*b")
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:param conditions: condition over variables
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:param global_config: configuration for all variables
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:param configs: configuration for each variables
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:return: list of generated variables
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:example:
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>>> a, ab, b, c = list_generator(["a", "a*b", "b", "c"])
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>>> a, ab, b, c # doctest: +SKIP
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(5, -20, -4, -3)
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>>> a * b == ab
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True
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>>> ab # doctest: +SKIP
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-20
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>>> a, b # doctest: +SKIP
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5, -4
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>>> a, ab, b, c = list_generator(["a", "a*b", "b", "c"], conditions=["a-b==0"])
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>>> a - b == 0
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True
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>>> a, ab, b, c = list_generator(["a", "a*b", "b", "c"], global_config={"rejected": [2, 3, 5, 7]})
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>>> a not in [2, 3, 5, 7]
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True
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>>> b not in [2, 3, 5, 7]
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True
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>>> c not in [2, 3, 5, 7]
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True
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>>> a, ab, b, c = list_generator(["a", "a*b", "b", "c"], configs={"a": {"rejected": [2, 3, 5, 7]}})
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>>> a not in [2, 3, 5, 7]
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True
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"""
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rv = extract_letters(template)
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rv_gen = random_generator(
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rv, conditions, dict(DEFAUTL_CONFIG, **global_config), configs
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)
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generated = eval_words(template, rv_gen)
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return [generated[v] for v in template]
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