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change parse in random_expression

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Lafrite 2014-11-23 10:45:13 +01:00
parent 2aed89855f
commit 39cc36869c
1 changed files with 9 additions and 4 deletions
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11
pymath/random_expression.py
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@ -5,6 +5,8 @@ from random import randint
from .expression import Expression
from .render import tex, txt
import re
import pyparsing
from .generic import flatten_list
from .arithmetic import gcd
@ -54,14 +56,17 @@ class RdExpression(object):
:returns: set for elements which have to be replaced
"""
pattern = "\{(.*?)\}" #select inside {} non greedy way
#pattern = "\{(.*?)\}" #select inside {} non greedy way
#varia_form = re.findall(pattern, self._form)
varia_form = re.findall(pattern, self._form)
# TODO: Bug with varia with spaces |dim. nov. 23 10:44:34 CET 2014
varia_form = flatten_list([eval(str(i[0])) for i in pyparsing.nestedExpr('{','}').searchString(self._form)])
varia_form = set(varia_form)
varia_cond = set()
for c in self._conditions:
varia_cond = varia_cond | set(re.findall(pattern, c))
c_varia_cond = flatten_list([eval(str(i[0])) for i in pyparsing.nestedExpr('{','}').searchString(c)])
varia_cond = varia_cond | set(c_varia_cond)
self._2replaced = varia_cond | varia_form