Updates:
Labels: -NeedsReview PassedReview
Comment #2 on issue 1642 by asmeurer: decorators in
functions/special/polynomials.py prevent printing in Mul.flatten (and
others)
http://code.google.com/p/sympy/issues/detail?id=1642
Great, it works now!
dhcp-baca-230:sympy-scratch aaronmeurer1((f2203d5...)*$%)$git diff
diff --git a/sympy/core/mul.py b/sympy/core/mul.py
index 14e744d..bcf9c2a 100644
--- a/sympy/core/mul.py
+++ b/sympy/core/mul.py
@@ -56,6 +56,7 @@ def flatten(cls, seq):
# NOTE: this is optimized for all-objects-are-commutative case
for o in seq:
+ print o
# O(x)
if o.is_Order:
o, order_symbols = o.as_expr_symbols(order_symbols)
dhcp-baca-230:sympy-scratch aaronmeurer0((f2203d5...)*$%)$./bin/isympy
IPython console for SymPy 0.6.7-git (Python 2.6.4) (types: python)
These commands were executed:
from __future__ import division
from sympy import *
x, y, z = symbols('xyz')
k, m, n = symbols('kmn', integer=True)
f, g, h = map(Function, 'fgh')
Documentation can be found at http://sympy.org/
In [1]: x*y*x
x
y
x*y
x
x
y
Out[1]:
2
y⋅x
In [2]:
Exiting ...
dhcp-baca-230:sympy-scratch aaronmeurer1((f2203d5...)*$%)$git stash
Saved working directory and index state WIP on (no branch): f2203d5
Improved error message for non-zero
dimensional systems
HEAD is now at f2203d5 Improved error message for non-zero dimensional
systems
dhcp-baca-230:sympy-scratch aaronmeurer0((f2203d5...)$%)$git co master
Previous HEAD position was f2203d5... Improved error message for non-zero
dimensional systems
Switched to branch 'master'
dhcp-baca-230:sympy-scratch aaronmeurer0(master$%)$git stash pop
# On branch master
# Changed but not updated:
# (use "git add <file>..." to update what will be committed)
# (use "git checkout -- <file>..." to discard changes in working
directory)
#
# modified: sympy/core/mul.py
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)
#
# .coverage
# covhtml/
# debug.py
no changes added to commit (use "git add" and/or "git commit -a")
Dropped refs/st...@{0} (a73fcbd8c84bb496113906cca4918bcfcdd42cde)
dhcp-baca-230:sympy-scratch aaronmeurer0(master*$%)$./bin/isympy
Traceback (most recent call last):
File "./bin/isympy", line 80, in <module>
from sympy.interactive import init_session
File "./sympy/__init__.py", line 24, in <module>
from polys import *
File "./sympy/polys/__init__.py", line 3, in <module>
from polytools import (
File "./sympy/polys/polytools.py", line 11, in <module>
from sympy.polys.polyclasses import (
File "./sympy/polys/polyclasses.py", line 5, in <module>
from sympy.polys.densebasic import (
File "./sympy/polys/densebasic.py", line 6, in <module>
from sympy.polys.monomialtools import (
File "./sympy/polys/monomialtools.py", line 6, in <module>
from sympy.functions import factorial
File "./sympy/functions/__init__.py", line 11, in <module>
import special
File "./sympy/functions/special/__init__.py", line 7, in <module>
import polynomials
File "./sympy/functions/special/polynomials.py", line 91, in <module>
class chebyshevu(PolynomialSequence):
File "./sympy/functions/special/polynomials.py", line 112, in chebyshevu
@recurrence_memo([S.One, 2*_x])
File "./sympy/core/decorators.py", line 106, in __sympifyit_wrapper
return func(a, b)
File "./sympy/core/basic.py", line 712, in __rmul__
return Mul(other, self)
File "./sympy/core/cache.py", line 85, in wrapper
func_cache_it_cache[k] = r = func(*args, **kw_args)
File "./sympy/core/operations.py", line 31, in __new__
c_part, nc_part, order_symbols = cls.flatten(map(_sympify, args))
File "./sympy/core/mul.py", line 59, in flatten
print o
File "./sympy/core/basic.py", line 761, in __str__
return StrPrinter.doprint(self)
NameError: global name 'StrPrinter' is not defined
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