Is it possible that a system component is contaminating the doctest? I get
a similar failure from a sage-on-gentoo install where the failure seems to
point to gmp?
On Thursday, December 31, 2015 at 12:03:25 PM UTC-6, Steven Trogdon wrote:
>
> I have the following failure:
>
> ./sage -t src/sage/rings/integer.pyx
> too many failed tests, not using stored timings
> Running doctests with ID 2015-12-31-11-59-48-9f43f0a3.
> Git branch: develop
> Using --optional=mpir,python2,sage
> Doctesting 1 file.
> sage -t src/sage/rings/integer.pyx
> **********************************************************************
> File "src/sage/rings/integer.pyx", line 2622, in
> sage.rings.integer.Integer.divisors
> Failed example:
> 6.divisors()
> Exception raised:
> Traceback (most recent call last):
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/doctest/forker.py",
>
> line 496, in _run
> self.compile_and_execute(example, compiler, test.globs)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/doctest/forker.py",
>
> line 858, in compile_and_execute
> exec(compiled, globs)
> File "<doctest sage.rings.integer.Integer.divisors[1]>", line 1, in
> <module>
> Integer(6).divisors()
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/repl/rich_output/display_manager.py",
>
> line 745, in displayhook
> plain_text, rich_output = self._rich_output_formatter(obj, dict())
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/repl/rich_output/display_manager.py",
>
> line 610, in _rich_output_formatter
> plain_text = self._backend.plain_text_formatter(obj,
> **rich_repr_kwds)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/repl/rich_output/backend_base.py",
>
> line 305, in plain_text_formatter
> plain_text = self._apply_pretty_printer(SagePrettyPrinter, obj)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/repl/rich_output/backend_base.py",
>
> line 250, in _apply_pretty_printer
> printer.pretty(obj)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/repl/display/pretty_print.py",
>
> line 147, in pretty
> ok = representation(obj, self, cycle)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/sage/repl/display/fancy_repr.py",
>
> line 157, in __call__
> pretty_repr(obj, p, cycle)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/IPython/lib/pretty.py",
>
> line 550, in inner
> p.text(',')
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python2.7/site-packages/IPython/lib/pretty.py",
>
> line 211, in text
> self.output.write(obj)
> File
> "/64bitdev/storage/sage-git_develop/sage/local/lib/python/StringIO.py",
> line 213, in write
> _complain_ifclosed(self.closed)
> File "sage/ext/interrupt/interrupt.pyx", line 204, in
> sage.ext.interrupt.interrupt.sage_python_check_interrupt
> (/64bitdev/storage/sage-git_develop/sage/src/build/cythonized/sage/ext/interrupt/interrupt.c:1904)
> sig_check()
> File "sage/ext/interrupt/interrupt.pyx", line 91, in
> sage.ext.interrupt.interrupt.sig_raise_exception
> (/64bitdev/storage/sage-git_develop/sage/src/build/cythonized/sage/ext/interrupt/interrupt.c:970)
> raise AlarmInterrupt
> AlarmInterrupt
> **********************************************************************
> 1 item had failures:
> 1 of 21 in sage.rings.integer.Integer.divisors
> [1055 tests, 1 failure, 11.65 s]
> ----------------------------------------------------------------------
> sage -t src/sage/rings/integer.pyx # 1 doctest failed
> ----------------------------------------------------------------------
> Total time for all tests: 12.2 seconds
> cpu time: 5.2 seconds
> cumulative wall time: 11.6 seconds
>
> The failure is not always the same. Sometimes the failed example is
> '6.divisors()' and sometimes it's '28.divisors()`. And on other tries
> something else fails in a quite nasty fashion.
>
>
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