#9128: Sphinx should be aware of all.py to find its links
-----------------------------+----------------------------------------------
   Reporter:  hivert         |          Owner:  hivert        
       Type:  enhancement    |         Status:  needs_review  
   Priority:  major          |      Milestone:  sage-5.0      
  Component:  documentation  |       Keywords:  Sphinx links  
Work_issues:                 |       Upstream:  N/A           
   Reviewer:                 |         Author:  Florent Hivert
     Merged:                 |   Dependencies:  #11251, #12490
-----------------------------+----------------------------------------------
Changes (by hivert):

  * dependencies:  #11251 => #11251, #12490


Old description:

> Though sphinx is perfectly working with target in the local module he
> isn't
> able to find reference target from other modules even if they are
> exported in
> all.py. For example, if I want to link Parent from anywhere but
> parent.pyx, I
> have to write the full path (ie.
> {{{:class:`~sage.structure.parent.Parent}}}`)
> even if it is imported in my module. I find this extremely annoying
> since, in
> the task of improving the category doc, I'm setting up a lot of huge
> cross
> references such as:
> {{{
>     :meth:`Algebras.ParentMethods.algebra_generators()
> <sage.categories.algebras.Algebras.ParentMethods.algebra_generators>`.
> }}}
> I would be very happy if I had to write only
> {{{
>     :meth:`Algebras.ParentMethods.algebra_generators`
> }}}
> The following patch should solve this issue
>
> I set up {{{intersphinx}}} so that links to Python's doc are correctly
> resolved. The patch
> [attachment:trac_9128-intersphinx_python_database-fh.patch] contains
> Python's
> crossref database downloaded from http://docs.python.org/objects.inv I'm
> also
> using intersphinx to solve links to the reference manual from the other
> documents.
>
> == Extra features ==
>
> Moreover, I add a reference target to every automatically created
> {{{.rst}}}
> file associated to python source files. It can by used to set-up a link
> toward
> the file and thus get the title rather than the module. For example
> {{{:ref:sage.categories.primer}}} setup a link to the help page with
> title
> {{{"Elements, parents, and categories in Sage: a (draft of) primer"}}}
> rather
> than
> {{{sage.categories.primer}}} which you get with the link
> {{{:mod:sage.categories.primer}}}.
>
> I finally setup the extension extlinks to allows links to trac as in
> {{{:trac:`9128`}}}.
>
> == Apply both: ==
>
> Note: order is irrelevant
>
>  - [attachment:trac_9128-intersphinx_python_database-fh.patch]
>  - [attachment:trac_9128-sphinx_links_all-fh.patch]

New description:

 Though sphinx is perfectly working with target in the local module he
 isn't
 able to find reference target from other modules even if they are exported
 in
 all.py. For example, if I want to link Parent from anywhere but
 parent.pyx, I
 have to write the full path (ie.
 {{{:class:`~sage.structure.parent.Parent}}}`)
 even if it is imported in my module. I find this extremely annoying since,
 in
 the task of improving the category doc, I'm setting up a lot of huge cross
 references such as:
 {{{
     :meth:`Algebras.ParentMethods.algebra_generators()
     <sage.categories.algebras.Algebras.ParentMethods.algebra_generators>`.
 }}}
 I would be very happy if I had to write only
 {{{
     :meth:`Algebras.ParentMethods.algebra_generators`
 }}}
 The following patch should solve this issue

 I set up {{{intersphinx}}} so that links to Python's doc are correctly
 resolved. The patch
 [attachment:trac_9128-intersphinx_python_database-fh.patch] contains
 Python's
 crossref database downloaded from http://docs.python.org/objects.inv I'm
 also
 using intersphinx to solve links to the reference manual from the other
 documents.

 == Extra features ==

 Moreover, I add a reference target to every automatically created
 {{{.rst}}}
 file associated to python source files. It can by used to set-up a link
 toward
 the file and thus get the title rather than the module. For example
 {{{:ref:sage.categories.primer}}} setup a link to the help page with title
 {{{"Elements, parents, and categories in Sage: a (draft of) primer"}}}
 rather
 than
 {{{sage.categories.primer}}} which you get with the link
 {{{:mod:sage.categories.primer}}}.

 == Apply both: ==

 Note: order is irrelevant

  - [attachment:trac_9128-intersphinx_python_database-fh.patch]
  - [attachment:trac_9128-sphinx_links_all-fh.patch]

--

Comment:

 Hi there,

 I'm uploading two new patches:

  - {{{trac_9128-intersphinx_python_database-fh.patch}}} updated to Python
 2.7

  - {{{trac_9128-sphinx_links_all-fh.patch}}} rebased for Sage-5.0.alpha4
 and in particular on top of #12490 which was previously in this ticket.

 As I already said, I'm not sure if this should enter Sage in the present
 status but I need a Sphinx expert (if not George Brandl himself) to try to
 polish and simplify my code. However, I think the feature is quite
 important in order to improve Sage's doc, so I suggest that if no expert
 jump up to let the code enter Sage as such and to improve it in a former
 ticket. I therefore leave it as need-review.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9128#comment:39>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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