Mapytex/mapytex/calculus/core/typing/__init__.py

82 lines
1.9 KiB
Python

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fenc=utf-8
#
# Copyright © 2017 lafrite <lafrite@Poivre>
#
# Distributed under terms of the MIT license.
"""
Computing with MO
"""
from .exceptions import TypingError
# from .add import add
# from .minus import minus
# from .multiply import multiply
from .divide import divide
from .power import power
from ..MO.mo import MOnumber, MOstr
from ..MO.fraction import MOFraction
from ..MO.monomial import MOstrPower, MOMonomial
from itertools import product
from tabulate import tabulate
MOS = [ MOnumber, MOstr, MOFraction, MOstrPower, MOMonomial ]
OPERATIONS = {
# "+": add,
# "-": minus,
# "*": multiply,
"/": divide,
"^": power,
}
def typing(node, left_v, right_v):
"""
Typing a try base on his root node
:example:
>>> from ..MO.mo import MOnumber
"""
try:
operation = OPERATIONS[node]
except KeyError:
raise TypingError(f"Unknown operation ({node}) in typing")
return operation(left_v, right_v)
def typing_capacities(node):
""" Test an operation through all MOs
:param operation: string which represent an (mo, mo) -> mo
:returns: { (motype, motype): True/False } when it's implemented
"""
op = OPERATIONS[node]
lines = [[node] + [mo.__name__ for mo in MOS]]
for left_mo in MOS:
lines.append(
[left_mo.__name__] + \
[(left_mo, i) in op.funcs for i in MOS]
)
return lines
def describe_typing():
""" Explain which operations are handle by typing """
ans = "Implemented typing operations among MOs\n"
for op in OPERATIONS:
ans += "\n"
ans += tabulate(typing_capacities(op), tablefmt='grid')
return ans
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