modif for be able to use it for first big use

This commit is contained in:
lafrite 2014-01-19 21:39:35 +01:00
parent 8c424a94c9
commit 0655179928
4 changed files with 69 additions and 65 deletions

View File

@ -3,7 +3,7 @@
from generic import Stack, flatten_list, expand_list
from fraction import Fraction
from render import txt_render, post2in_fix, tex_render
from renders import txt_render, post2in_fix, tex_render
from formal import FormalExp
from formal import FormalExp

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@ -3,6 +3,7 @@
from random import randint
from expression import Expression
from renders import tex_render, txt_render
import re
class RdExpression(object):
@ -49,23 +50,13 @@ class RdExpression(object):
return varia
def __call__(self, val_min = -10, val_max = 10):
def __call__(self, val_min = -10, val_max = 10, render = tex_render):
"""RdExpression once it is initiate act like a function which create random expressions.
:param val_min: minimum value random generation
:param val_max: maximum value random generation
:returns: an random expression formated for console printing
"""
return str(self.raw_exp(val_min, val_max))
def render(self, val_min = -10, val_max = 10, render = lambda x: str(x)):
"""Same as __call_ but uses render from the Expression object
:param val_min: minimum value random generation
:param val_max: maximum value random generation
:param render: function which render the list of token (postfix form) to string
:returns: an random expression formated by render
:param render: Render of the expression (returns an Expression by default)
:returns: an formated random expression
"""
return render(self.raw_exp(val_min, val_max).postfix_tokens)
@ -108,13 +99,13 @@ class RdExpression(object):
return True
def desc_rdExp(rdExp):
from render import tex_render
from renders import tex_render
print("--------------------")
print("form: ",rdExp._form)
print("Conditions: ",rdExp._conditions)
print("Letters: ", rdExp._letters)
print("2replaced: ", rdExp._2replaced)
print("Call : ", rdExp.render(render = tex_render))
print("Call : ", rdExp(render = tex_render))
print("Gene varia: ", rdExp._gene_varia)
print("Gene 2replaced: ", rdExp._gene_2replaced)
print('')

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@ -5,8 +5,6 @@ from generic import Stack,flatten_list
from fraction import Fraction
from formal import FormalExp
class Render(object):
"""A class which aims to create render functions from three dictionnaries:
- op_infix: dict of caracters
@ -201,53 +199,6 @@ class flist(list):
pass
# ------------------------
# A console render
txt_infix = {"+": "+", "-": "-", "*": "*", "/" : "/", ":": ":"}
txt_postfix = {}
txt_other = {"(": "(", ")": ")"}
txt_render = Render(txt_infix, txt_postfix, txt_other)
# ------------------------
# A infix to postfix list convertor
p2i_infix = {"+": "+", "-": "-", "*": "*", "/" : "/", ":":":"}
p2i_postfix = {}
p2i_other = {"(": "(", ")": ")"}
post2in_fix = Render(p2i_infix, p2i_postfix, p2i_other, join = False)
# ------------------------
# A latex render
def texSlash(op1, op2):
if not Render.isNumerande(op1) and op1[0] == "(" and op1[-1] == ")":
op1 = op1[1:-1]
if not Render.isNumerande(op2) and op2[0] == "(" and op2[-1] == ")":
op2 = op2[1:-1]
return ["\\frac{" , op1 , "}{" , op2 , "}"]
def texFrac(frac):
return ["\\frac{" , str(frac._num) , "}{" , str(frac._denom) , "}"]
tex_infix = {"+": " + ", "-": " - ", "*": " \\times ", ":": ":"}
tex_postfix = {"/": texSlash}
tex_other = {"(": "(", ")": ")"}
tex_type_render = {int: str, Fraction: texFrac, FormalExp: str}
tex_render = Render(tex_infix, tex_postfix, tex_other, type_render = tex_type_render)
if __name__ == '__main__':
exp = [2, 5, '+', 1, '-', 3, 4, '*', ':']
print(txt_render(exp))
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, 5, '/', ':']
print(tex_render(exp))
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, '+']
print(post2in_fix(exp))
# -----------------------------
# Reglages pour 'vim'

62
renders.py Normal file
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@ -0,0 +1,62 @@
#!/usr/bin/env python
# encoding: utf-8
from render import Render
from fraction import Fraction
from formal import FormalExp
# ------------------------
# A console render
txt_infix = {"+": "+", "-": "-", "*": "*", "/" : "/", ":": ":"}
txt_postfix = {}
txt_other = {"(": "(", ")": ")"}
txt_render = Render(txt_infix, txt_postfix, txt_other)
# ------------------------
# A infix to postfix list convertor
p2i_infix = {"+": "+", "-": "-", "*": "*", "/" : "/", ":":":"}
p2i_postfix = {}
p2i_other = {"(": "(", ")": ")"}
post2in_fix = Render(p2i_infix, p2i_postfix, p2i_other, join = False)
# ------------------------
# A latex render
def texSlash(op1, op2):
if not Render.isNumerande(op1) and op1[0] == "(" and op1[-1] == ")":
op1 = op1[1:-1]
if not Render.isNumerande(op2) and op2[0] == "(" and op2[-1] == ")":
op2 = op2[1:-1]
return ["\\frac{" , op1 , "}{" , op2 , "}"]
def texFrac(frac):
return ["\\frac{" , str(frac._num) , "}{" , str(frac._denom) , "}"]
tex_infix = {"+": " + ", "-": " - ", "*": " \\times ", ":": ":"}
tex_postfix = {"/": texSlash}
tex_other = {"(": "(", ")": ")"}
tex_type_render = {int: str, Fraction: texFrac, FormalExp: str}
tex_render = Render(tex_infix, tex_postfix, tex_other, type_render = tex_type_render)
if __name__ == '__main__':
exp = [2, 5, '+', 1, '-', 3, 4, '*', ':']
print(txt_render(exp))
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, 5, '/', ':']
print(tex_render(exp))
exp = [2, 5, '+', 1, '-', 3, 4, '*', '/', 3, '+']
print(post2in_fix(exp))
# -----------------------------
# Reglages pour 'vim'
# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
# cursor: 16 del