Hello,
My university has a few teaching rooms equipped with computers
where SageMath is installed. Some of these rooms depend on the
University IT staff, some on the Math Dept IT staff.
In either case they run Ubuntu, and I think SageMath is installed
using the Ubuntu PPA, version 6.6 or in some cases 6.7.
On these installs, trying to access the interactive documentation
with "?" fails, complaining about an import error related to 'conf'.
See full error traceback below.
Is this a known problem of the Ubuntu PPA for SageMath 6.6 / 6.7?
Is it fixed by ticket 18642 or 19166?
http://trac.sagemath.org/ticket/18642
http://trac.sagemath.org/ticket/19166
(They seem to have something to do with conf.py.)
Could anyone testing the dev version of the PPA confirm that
the interactive help works in version 6.8 of the PPA?
Thanks in advance for any information.
Samuel
sage: plot?
---------------------------------------------------------------------------
ImportError Traceback (most recent call last)
<ipython-input-2-2be74ec6036d> in <module>()
----> 1 get_ipython().magic(u'pinfo plot')
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/interactiveshell.pyc
in magic(self, arg_s)
2302 magic_name, _, magic_arg_s = arg_s.partition(' ')
2303 magic_name = magic_name.lstrip(prefilter.ESC_MAGIC)
-> 2304 return self.run_line_magic(magic_name, magic_arg_s)
2305
2306
#-------------------------------------------------------------------------
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/interactiveshell.pyc
in run_line_magic(self, magic_name, line)
2223 kwargs['local_ns'] = sys._getframe(stack_depth).f_locals
2224 with self.builtin_trap:
-> 2225 result = fn(*args,**kwargs)
2226 return result
2227
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/magics/namespace.pyc
in pinfo(self, parameter_s, namespaces)
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/magic.pyc
in <lambda>(f, *a, **k)
191 # but it's overkill for just that one bit of state.
192 def magic_deco(arg):
--> 193 call = lambda f, *a, **k: f(*a, **k)
194
195 if callable(arg):
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/magics/namespace.pyc
in pinfo(self, parameter_s, namespaces)
59 else:
60 self.shell._inspect('pinfo', oname,
detail_level=detail_level,
---> 61 namespaces=namespaces)
62
63 @line_magic
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/interactiveshell.pyc
in _inspect(self, meth, oname, namespaces, **kw)
1567 pmethod(info.obj, oname, formatter)
1568 elif meth == 'pinfo':
-> 1569 pmethod(info.obj, oname, formatter, info, **kw)
1570 else:
1571 pmethod(info.obj, oname)
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/oinspect.pyc
in pinfo(self, obj, oname, formatter, info, detail_level)
638 - detail_level: if set to 1, more information is given.
639 """
--> 640 text = self._format_info(obj, oname, formatter, info,
detail_level)
641 if text:
642 page.page(text)
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/oinspect.pyc
in _format_info(self, obj, oname, formatter, info, detail_level)
576 """Format an info dict as text"""
577 info = self.info(obj, oname=oname, formatter=formatter,
--> 578 info=info, detail_level=detail_level)
579 displayfields = []
580 def add_fields(fields):
/usr/lib/sagemath/local/lib/python2.7/site-packages/IPython/core/oinspect.pyc
in info(self, obj, oname, formatter, info, detail_level)
680 ds += "\nDocstring:\n" + obj.__doc__
681 else:
--> 682 ds = getdoc(obj)
683 if ds is None:
684 ds = '<no docstring>'
/usr/lib/sagemath/local/lib/python2.7/site-packages/sage/misc/sageinspect.pyc
in sage_getdoc(obj, obj_name, embedded_override)
1568 return ''
1569
-> 1570 s = sage.misc.sagedoc.format(str(r),
embedded=(embedded_override or EMBEDDED_MODE))
1571
1572 # If there is a Cython embedded position, it needs to be stripped
/usr/lib/sagemath/local/lib/python2.7/site-packages/sage/misc/sagedoc.pyc
in format(s, embedded)
586 if not embedded:
587 s = process_mathtt(s)
--> 588 s = process_extlinks(s, embedded=embedded)
589 s = detex(s, embedded=embedded)
590 return embedding_info+s
/usr/lib/sagemath/local/lib/python2.7/site-packages/sage/misc/sagedoc.pyc
in process_extlinks(s, embedded)
354 oldpath = sys.path
355 sys.path = oldpath + [os.path.join(SAGE_DOC, 'common')]
--> 356 from conf import pythonversion, extlinks
357 sys.path = oldpath
358 for key in extlinks:
ImportError: No module named conf
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