Fix: fraction rendering
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This commit is contained in:
Bertrand Benjamin 2021-09-25 18:05:05 +02:00
parent cbcead48f7
commit 78ce8f767a
8 changed files with 47 additions and 6 deletions

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@ -1,7 +1,7 @@
#!/usr/bin/env python
# encoding: utf-8
from .calculus import Expression, Integer, Decimal, random_list, render, Polynomial
from .calculus import Expression, Integer, Decimal, random_list, render, Polynomial, Fraction
# Expression.set_render('tex')

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@ -123,11 +123,11 @@ x^7
- 2x^2 + 7x - 6
"""
from .renders import render
from .expression import Expression
from .tokens import Token
from .tokens.polynomial import Polynomial
from .tokens.number import Integer, Decimal, Fraction
from .renders import render
if __name__ == "__main__":

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@ -29,6 +29,10 @@ class Render(object):
else:
raise ValueError("This render name already exists")
@property
def render_name(self):
return self._render
@property
def render(self):
return self.renders[self._render]

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@ -141,7 +141,7 @@ class Decimal(Token):
class Fraction(Token):
""" Token representing a fraction
""" Token representing a fraction of numbers
:example:
>>> Fraction("3/4")

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@ -54,10 +54,16 @@ class Token(object):
yield self
def __repr__(self):
return f"<{self.__class__.__name__} {render(self._mo, 'txt')}>"
try:
return f"<{self.__class__.__name__} {render(self._mo._tree, 'txt')}>"
except AttributeError:
return f"<{self.__class__.__name__} {render(self._mo, 'txt')}>"
def __str__(self):
return render(self._mo)
try:
return render(self._mo._tree)
except AttributeError:
return render(self._mo)
@property
def raw(self):

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@ -30,7 +30,7 @@ Expression is the classe wich handle all calculus. It can randomly generate or i
"""
from .API import Expression, Integer, Decimal, render, Polynomial
from .API import Expression, Integer, Decimal, render, Polynomial, Fraction
from .core import random_list
from decimal import getcontext
#getcontext().prec = 2

0
test/__init__.py Normal file
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@ -0,0 +1,31 @@
import mapytex
def test_default_render():
assert mapytex.render.render_name == "txt"
def test_default_rending():
e = mapytex.Expression("2*3")
assert str(e) == "2*3"
def test_changing_render():
assert mapytex.render.render_name == "txt"
mapytex.render.set_render("tex")
assert mapytex.render.render_name == "tex"
mapytex.render.set_render("txt")
assert mapytex.render.render_name == "txt"
def test_changing_rending():
e = mapytex.Expression.from_str("2*3")
f = mapytex.Fraction("2/3")
assert str(e) == "2 * 3"
assert str(f) == "2 / 3"
mapytex.render.set_render("tex")
assert str(e) == "2 \\times 3"
assert str(f) == "\\dfrac{2}{3}"
mapytex.render.set_render("txt")
assert str(e) == "2 * 3"
assert str(f) == "2 / 3"