Comment #12 on issue 1641 by asmeurer: doctests require newline only when
run for single file
http://code.google.com/p/sympy/issues/detail?id=1641
The UnicodeEncodeError seems to be related to the pretty printer:
$./bin/isympy -c python -p no
>>> import doctest as pdoctest
>>> doc_file1='sympy/solvers/solvers.py'
>>> pdoctest.testfile(doc_file1, module_relative=False,
>>> optionflags=pdoctest.ELLIPSIS |
... pdoctest.NORMALIZE_WHITESPACE)
**********************************************************************
File "sympy/solvers/solvers.py", line 60, in solvers.py
Failed example:
guess_solve_strategy(x**2 + 1, x)
Exception raised:
Traceback (most recent call last):
File
"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/doctest.py",
line 1241, in __run
compileflags, 1) in test.globs
File "<doctest solvers.py[2]>", line 1, in <module>
guess_solve_strategy(x**2 + 1, x)
NameError: name 'guess_solve_strategy' is not defined
**********************************************************************
File "sympy/solvers/solvers.py", line 62, in solvers.py
Failed example:
guess_solve_strategy(x**Rational(1,2) + 1, x)
Exception raised:
Traceback (most recent call last):
File
"/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/doctest.py",
line 1241, in __run
compileflags, 1) in test.globs
File "<doctest solvers.py[3]>", line 1, in <module>
guess_solve_strategy(x**Rational(1,2) + 1, x)
NameError: name 'guess_solve_strategy' is not defined
**********************************************************************
1 items had failures:
2 of 31 in solvers.py
***Test Failed*** 2 failures.
(2, 31)
It only raises that error when pretty printing is turned on in the
console. It seems that the ⅈ is coming from
the test
>>> solve(x**4-1, x)
[1, -1, -I, I]
in solve(), which is right below guess_solve_strategy. If I comment this
test out, and then a few others in the
file that use unicode pretty printing symbols, then the test runs.
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