#9976: Decorated functions/methods have generic signature in documentation
--------------------------------+-------------------------------------------
   Reporter:  jsrn              |       Owner:  mvngu                           
        
       Type:  enhancement       |      Status:  needs_review                    
        
   Priority:  major             |   Milestone:  sage-4.7                        
        
  Component:  documentation     |    Keywords:  sphinx, documentation, cython 
inspection
     Author:  jsrn, Simon King  |    Upstream:  N/A                             
        
   Reviewer:                    |      Merged:                                  
        
Work_issues:                    |  
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Comment(by jsrn):

 Replying to [comment:62 SimonKing]:
 > Building the docs, I get some warnings:
 >
 > {{{
 > docstring of
 sage.rings.padics.padic_ZZ_pX_CA_element.pAdicZZpXCAElement:6: (ERROR/3)
 Unexpected indentation.
 > docstring of sage.rings.padics.padic_capped_relative_element:5:
 (ERROR/3) Unexpected indentation.
 > docstring of
 sage.rings.polynomial.multi_polynomial_ring_generic.MPolynomialRing_generic:18:
 (WARNING/2) Literal block expected; none found.
 > }}}
 >
 > But worse is that the arguments of the `groebner_basis` method of
 multivariate ideals are not correctly provided: It is `(*args,**kwds)`
 again!!! Can you check whether this used to be fine with your original
 patch?
 >
 > Anyway, the reason for the failure is that the `cached_method` decorator
 does not provide `_sage_argspec_` yet (it will be, by #11115). I assume
 that one can inspect the source code, though.
 >
 > So, it still needs work, but not today.
 >
 > My plan for tomorrow:
 >
 >  * Fix the warnings above (I already succeeded with two of them)
 >  * Fix the argument extraction in sageinspect.

 Back again :-)

 No, groebner_basis has never worked with my patch; for my patch to work,
 it requires that the decorator use @sage_wraps on the wrapping function
 which is returned. cached_method doesn't do this. As far as I can see,
 however, it should be possible to make (the non-Cython version of)
 cached_method use sage_wraps; this would remove some lines in _common_init
 and replace it with a @sage_wraps somewhere. You have been working on this
 so what do you say?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9976#comment:64>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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