76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
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from csv import reader as csv_reader
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from pprint import pp as print, pformat
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from sys import argv, stderr
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class System:
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"""Represents an L-System"""
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def __init__(
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self,
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name: str,
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base: set[str],
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axiom: str,
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substitutions: list[tuple[str, str]],
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interpretations: list[tuple[str, str]],
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):
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self.name = name
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"""System name"""
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self.base = base
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"""Set used"""
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self.axiom = axiom
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"""Axiom used at the start of iterations"""
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self.substitutions = substitutions
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"""
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Substitution for each member of the base,
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represented as a couple (member, substitution)
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"""
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self.interpretations = interpretations
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"""
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Interpretation for each member of the base,
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represented as a couple (member, interpretation)
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"""
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# TODO: Est-ce que on garde ça ??
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# Interpretation of extra symbols added if necessary
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extra_symbols = ["[", "]"]
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for _, substitution in substitutions:
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if any(symbol in substitution for symbol in extra_symbols):
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self.interpretations.extend(
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[(extra_symbols[0], "STORE"), (extra_symbols[1], "RESTORE")]
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)
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break
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def __repr__(self):
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return pformat(self.__dict__, compact=True, width=120, sort_dicts=False)
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def data_reader(path: str, delimiter: str = ","):
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"""Read a CSV file and returns a list of L-System"""
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res: list[System] = []
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with open(path) as csv_file:
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data = csv_reader(csv_file, delimiter=delimiter)
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for system in data:
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name = system[0]
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base = set(system[1])
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axiom = system[2]
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substitutions = [(v, system[3 + i]) for i, v in enumerate(base)]
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interpretations = [
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(v, system[3 + i + len(substitutions)]) for i, v in enumerate(base)
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]
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res.append(System(name, base, axiom, substitutions, interpretations))
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return res
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if __name__ == "__main__":
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if len(argv) != 2:
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print(f"Syntax error:\n\tpython {argv[0]} file.csv", stream=stderr)
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exit(1)
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print(data_reader(argv[1]))
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