Fix: simplify rendering by expanding tree. still bugs with set_render
This commit is contained in:
parent
1a20e6927d
commit
2109fc46cb
@ -108,12 +108,52 @@ x^7
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(6 + 6) * x + 4x^2 + 9
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4x^2 + 12x + 9
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>>> e = Expression.from_str("(2x+3)(-x+1)")
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>>> e_simplified = e.simplify()
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>>> e_simplified
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<Quadratic - 2x^2 - x + 3>
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>>> for s in e_simplified.explain():
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... print(s)
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"""
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from .expression import Expression
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from .tokens import Token
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from .tokens.number import Integer, Decimal
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def set_render(render):
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"""
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:example:
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>>> e = Expression.from_str("2+3*4")
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>>> print(e)
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2 + 3 * 4
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>>> e = Expression.from_str("2+3/4")
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>>> print(e)
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2 + 3 / 4
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>>> es = e.simplify()
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>>> print(es)
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11 / 4
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>>> set_render('tex')
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>>> Expression.RENDER
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'tex'
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>>> Token.RENDER
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'tex'
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>>> e = Expression.from_str("2+3*4")
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>>> print(e)
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2 + 3 \\times 4
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>>> e = Expression.from_str("2+3/4")
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>>> print(e)
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2 + \\dfrac{3}{4}
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>>> es = e.simplify()
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>>> print(es)
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\\dfrac{11}{4}
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>>> set_render('txt')
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"""
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Expression.set_render(render)
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Token.set_render(render)
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if __name__ == "__main__":
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e = Expression.from_str("1+2/3/4/5")
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et = e._typing()
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@ -56,33 +56,7 @@ class Expression(object):
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:param render: render name (txt or tex)
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:example:
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>>> e = Expression.from_str("2+3*4")
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>>> print(e)
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2 + 3 * 4
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>>> e = Expression.from_str("2+3/4")
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>>> print(e)
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2 + 3 / 4
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>>> es = e.simplify()
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>>> print(es)
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11 / 4
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>>> Expression.set_render('tex')
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>>> Expression.RENDER
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'tex'
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>>> e = Expression.from_str("2+3*4")
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>>> print(e)
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2 + 3 \\times 4
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>>> e = Expression.from_str("2+3/4")
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>>> print(e)
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2 + \\dfrac{3}{4}
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>>> es = e.simplify()
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>>> print(es)
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\\dfrac{11}{4}
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>>> Expression.set_render('txt')
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"""
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from .tokens.token import Token
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Token.set_render(render)
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cls.RENDER = render
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@classmethod
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@ -204,7 +178,8 @@ class Expression(object):
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return type(leaf)
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else:
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try:
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typed_leaf = typing(leaf.node, leaf.left_value, leaf.right_value)
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typed_leaf = typing(
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leaf.node, leaf.left_value, leaf.right_value)
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return typed_leaf.signature
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except (AttributeError, NotImplementedError, TypingError):
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return type(leaf)
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@ -246,8 +246,8 @@ class Token(object):
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>>> c = a ** 2
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>>> c
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<Decimal 5.29>
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"""
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return self._operate(other, "^")
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def _roperate(self, other, operation):
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@ -37,7 +37,7 @@ def moify_cor(target):
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>>> for i in [-2, "+", "x", "*", Decimal("3.3")]:
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... list2molist.send(i)
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>>> list2molist.throw(STOOOP)
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[<MOnumber - 2>, '+', <MOstr x>, '*', <MOnumber 3.3>]
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[<MOnumber -2>, '+', <MOstr x>, '*', <MOnumber 3.3>]
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"""
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try:
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@ -78,7 +78,7 @@ class MOnumber(Atom):
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>>> MOnumber(23)
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<MOnumber 23>
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>>> MOnumber(-23)
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<MOnumber - 23>
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<MOnumber -23>
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As expected there will be trouble with float
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@ -90,13 +90,13 @@ class MOnumber(Atom):
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>>> MOnumber(Decimal("23.3"))
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<MOnumber 23.3>
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>>> MOnumber(Decimal("-23.3"))
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<MOnumber - 23.3>
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<MOnumber -23.3>
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Or directly passe a decimal string
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>>> MOnumber("23.3")
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<MOnumber 23.3>
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>>> MOnumber("-23.3")
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<MOnumber - 23.3>
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<MOnumber -23.3>
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MOnumber initialisation is idempotent
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@ -259,7 +259,8 @@ class MOstr(Atom):
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f"An MOstr should be initiate with a single caracter string, got {val}"
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)
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if not val.isalpha():
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raise MOError(f"An MOstr should be initiate with a alpha string, got {val}")
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raise MOError(
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f"An MOstr should be initiate with a alpha string, got {val}")
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Atom.__init__(self, val)
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@ -32,10 +32,10 @@ class MOFraction(Molecule):
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>>> f = MOFraction(2, 3)
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>>> f
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<MOFraction 2 / 3>
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>>> print(f.__txt__)
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2 / 3
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>>> print(f.__tex__)
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\\dfrac{2}{3}
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>>> print(f.tree)
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/
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> 2
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> 3
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>>> print(f)
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2 / 3
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>>> f = MOFraction(2, 3, negative = True)
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@ -44,11 +44,13 @@ class MOFraction(Molecule):
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"""
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_numerator = MO.factory(numerator)
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_denominator = MO.factory(denominator)
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base_tree = Tree("/", _numerator, _denominator)
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if negative:
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tree = Tree("-", None, base_tree)
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else:
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tree = base_tree
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Molecule.__init__(self, tree)
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self._numerator = _numerator
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@ -57,20 +57,12 @@ class MO(ABC):
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pass
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def __repr__(self):
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return f"<{self.__class__.__name__} {self.__txt__}>"
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return f"<{self.__class__.__name__} {self.__str__()}>"
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@abstractmethod
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def __str__(self):
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pass
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@abstractmethod
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def __txt__(self):
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pass
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@abstractmethod
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def __tex__(self):
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pass
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def __hash__(self):
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try:
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return self._tree.__hash__()
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@ -161,21 +153,21 @@ class Molecule(MO):
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It is a wrapping of tree
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Its wrapping tree can be access throw .tree property
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Its wrapping tree can be access through .tree property
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"""
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MAINOP = None
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def __init__(self, value):
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def __init__(self, tree):
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""" Initiate the MO
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It should be idempotent.
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"""
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try:
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self._tree = value._tree
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self._tree = tree._tree
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except AttributeError:
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self._tree = value
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self._tree = tree
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self.is_scalar = True
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self._signature = None
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@ -186,18 +178,10 @@ class Molecule(MO):
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@property
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def content(self):
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return self._tree
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return self.tree
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def __str__(self):
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return str(self.__txt__)
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@property
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def __txt__(self):
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return tree2txt(self._tree)
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@property
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def __tex__(self):
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return tree2tex(self._tree)
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return tree2txt(self.tree)
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# -----------------------------
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@ -31,10 +31,10 @@ class MOstrPower(Molecule):
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<MOstrPower x^2>
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>>> print(s)
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x^2
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>>> print(s.__txt__)
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x^2
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>>> print(s.__tex__)
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x^{2}
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>>> print(s.tree)
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^
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> x
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> 2
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>>> MOstrPower(3, 1)
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Traceback (most recent call last):
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...
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@ -59,7 +59,8 @@ class MOstrPower(Molecule):
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"""
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_variable = MO.factory(variable)
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if not isinstance(_variable, MOstr):
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raise MOError("The variable of a monomial should be convertible into MOstr")
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raise MOError(
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"The variable of a monomial should be convertible into MOstr")
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self._variable = _variable
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_power = MO.factory(power)
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@ -123,7 +124,8 @@ class MOstrPower(Molecule):
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"""
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if self._power > 2:
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return Tree(
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"*", self.power, MOstrPower(self.variable, self._power._value - 1)
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"*", self.power, MOstrPower(self.variable,
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self._power._value - 1)
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)
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return Tree("*", self.power, MOstr(self.variable))
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@ -147,22 +149,20 @@ class MOMonomial(Molecule):
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<MOMonomial 4x>
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>>> print(m)
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4x
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>>> print(m.__txt__)
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4x
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>>> print(m.__tex__)
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4x
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>>> print(m.tree)
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*
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> 4
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> x
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>>> x = MOstrPower('x', 2)
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>>> MOMonomial(4, x)
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<MOMonomial 4x^2>
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>>> m = MOMonomial(4, 'x')
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>>> m = MOMonomial(-1, 'x')
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>>> m
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<MOMonomial 4x>
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>>> print(m)
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4x
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>>> print(m.__txt__)
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4x
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>>> print(m.__tex__)
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4x
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<MOMonomial - x>
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>>> print(m.tree)
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-
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> None
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> x
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>>> MOMonomial(4, 'x', 1)
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<MOMonomial 4x>
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>>> MOMonomial(4, 'x', 2)
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@ -170,6 +170,13 @@ class MOMonomial(Molecule):
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>>> x2 = MOstrPower('x', 2)
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>>> MOMonomial(4, x2, 3)
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<MOMonomial 4x^6>
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>>> m = MOMonomial(-1, 'x', 2)
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>>> m
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<MOMonomial - x^2>
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>>> print(m.tree)
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-
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> None
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> x^2
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>>> MOMonomial(0, x)
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Traceback (most recent call last):
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...
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@ -199,34 +206,21 @@ class MOMonomial(Molecule):
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self._power = _power
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try:
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if self._coefficient.value != 1:
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_tree = Tree("*", self._coefficient, self.strpower)
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else:
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if self.coefficient.value == 1:
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_tree = self.strpower
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else:
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_tree = Tree("*", self.coefficient, self.strpower)
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except AttributeError:
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_tree = Tree("*", self._coefficient, self.strpower)
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_tree = Tree("*", self.coefficient, self.strpower)
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Molecule.__init__(self, _tree)
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def __str__(self):
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if self._coefficient != -1:
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return super(MOMonomial, self).__str__()
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else:
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return "- " + self.strpower.__str__()
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@property
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def __txt__(self):
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if self._coefficient != -1:
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return super(MOMonomial, self).__txt__
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else:
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return "- " + self.strpower.__txt__
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def tree(self):
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if self._coefficient == -1:
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return Tree("-", None, self.strpower)
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@property
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def __tex__(self):
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if self._coefficient != -1:
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return super(MOMonomial, self).__tex__
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else:
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return "- " + self.strpower.__tex__
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return Tree("*", self.coefficient, self.strpower)
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@property
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def coefficient(self):
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@ -40,7 +40,7 @@ def compute(node, left_v, right_v):
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>>> compute("+", MOnumber(1), MOnumber(2))
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<MOnumber 3>
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>>> compute("-", None, MOnumber(2))
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<MOnumber - 2>
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<MOnumber -2>
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>>> compute("*", MOnumber(1), MOnumber(2))
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<MOnumber 2>
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>>> compute("~", MOnumber(1), MOnumber(2))
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@ -70,7 +70,8 @@ def compute_capacities(node):
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op = OPERATIONS[node]
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lines = [[node] + [mo.__name__ for mo in MOS]]
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for left_mo in MOS:
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lines.append([left_mo.__name__] + [(left_mo, i) in op.funcs for i in MOS])
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lines.append([left_mo.__name__] +
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[(left_mo, i) in op.funcs for i in MOS])
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return lines
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@ -35,7 +35,7 @@ def monumber(_, right):
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>>> a = MOnumber(4)
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>>> minus(None, a)
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<MOnumber - 4>
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<MOnumber -4>
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"""
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return MO.factory(-right.value)
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@ -210,7 +210,8 @@ def render_with_parenthesis(subtree, operator):
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return subtree_
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OPERATOR2TEX = {"+": plus2tex, "-": minus2tex, "*": mul2tex, "/": div2tex, "^": pow2tex}
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OPERATOR2TEX = {"+": plus2tex, "-": minus2tex,
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"*": mul2tex, "/": div2tex, "^": pow2tex}
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def tree2tex(tree):
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@ -230,8 +231,17 @@ def tree2tex(tree):
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from ..tree import Tree
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if not isinstance(tree, Tree):
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raise ValueError(f"Can only render a Tree (got {type(tree).__name__}: {tree})")
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return OPERATOR2TEX[tree.node](tree.left_value, tree.right_value)
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raise ValueError(
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f"Can only render a Tree (got {type(tree).__name__}: {tree})")
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def expand(leaf):
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try:
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return leaf.tree
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except AttributeError:
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return leaf
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expanded_tree = tree.map_on_leaf(expand)
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return OPERATOR2TEX[expanded_tree.node](expanded_tree.left_value, expanded_tree.right_value)
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# -----------------------------
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@ -214,7 +214,8 @@ def render_with_parenthesis(subtree, operator):
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return subtree_
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OPERATOR2TXT = {"+": plus2txt, "-": minus2txt, "*": mul2txt, "/": div2txt, "^": pow2txt}
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OPERATOR2TXT = {"+": plus2txt, "-": minus2txt,
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"*": mul2txt, "/": div2txt, "^": pow2txt}
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def tree2txt(tree):
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@ -234,8 +235,17 @@ def tree2txt(tree):
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from ..tree import Tree
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if not isinstance(tree, Tree):
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raise ValueError(f"Can only render a Tree (got {type(tree).__name__}: {tree})")
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return OPERATOR2TXT[tree.node](tree.left_value, tree.right_value)
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raise ValueError(
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f"Can only render a Tree (got {type(tree).__name__}: {tree})")
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def expand(leaf):
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try:
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return leaf.tree
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except AttributeError:
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return leaf
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expanded_tree = tree.map_on_leaf(expand)
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return OPERATOR2TXT[expanded_tree.node](expanded_tree.left_value, expanded_tree.right_value)
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# -----------------------------
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@ -484,7 +484,8 @@ def lookforNumbers(target):
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if current.replace("-", "", 1).isdigit():
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current += tok
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else:
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raise ParsingError(f"Can't build decimal with '{current}'")
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raise ParsingError(
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f"Can't build decimal with '{current}'")
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elif tok == "-":
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if current == "":
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current = tok
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@ -802,7 +803,8 @@ def str2(sink, convert_to_mo=True):
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operator_corout(missing_times(moify_cor(pparser(sink))))
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)
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else:
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str2_corout = lookforNumbers(operator_corout(missing_times(pparser(sink))))
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str2_corout = lookforNumbers(
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operator_corout(missing_times(pparser(sink))))
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for i in expression.replace(" ", ""):
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str2_corout.send(i)
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@ -819,7 +821,7 @@ def rdstr2(sink):
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:example:
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>>> rdstr2list = rdstr2(list_sink)
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>>> rdstr2list("{a}+{a*b}-2")
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[<RdLeaf a>, '+', <RdLeaf a*b>, '+', <MOnumber - 2>]
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[<RdLeaf a>, '+', <RdLeaf a*b>, '+', <MOnumber -2>]
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>>> rdstr2list("{a}({b}x+{c})")
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[<RdLeaf a>, '*', [<RdLeaf b>, '*', <MOstr x>, '+', <RdLeaf c>]]
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"""
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@ -828,7 +830,8 @@ def rdstr2(sink):
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||||
def pipeline(expression):
|
||||
str2_corout = look_for_rdleaf(
|
||||
lookforNumbers(operator_corout(missing_times(moify_cor(pparser(sink)))))
|
||||
lookforNumbers(operator_corout(
|
||||
missing_times(moify_cor(pparser(sink)))))
|
||||
)
|
||||
|
||||
for i in expression.replace(" ", ""):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user