Hi

> There is a quaternion_order.rst in devel/sage/doc/en/reference/sage/
> algebras that seems to be autogenerated.
> 
> After nuking the output directory rebuilding all documentation
> repeatedly works.

I tried this one... But on my computation server:

 sage/algebras/steenrod_algebra_element sage/calculus/calculus 
sage/calculus/equations Exception occurred:
  File "/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/subprocess.py", 
line 1003, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files
The full traceback has been saved in /tmp/sphinx-err--kaK6F.log, if you want to 
report the issue to the author.
Please also report this if it was a user error, so that a better error message 
can be provided next time.
Send reports to sphinx-...@googlegroups.com. Thanks!
Build finished.  The built documents can be found in 
/home/combi/hivert/Sage/sage/devel/sage/doc/output/html/en/reference


Is this really a bug of sphinx ? 
Here is the complete traceback:


massena-*el/sage-main/doc $ cat /tmp/sphinx-err--kaK6F.log
Traceback (most recent call last):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/cmdline.py",
 line 151, in main
    app.build(all_files, filenames)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/application.py",
 line 138, in build
    self.builder.build_update()
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/builder.py",
 line 250, in build_update
    'out of date' % len(to_build))
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/builder.py",
 line 290, in build
    self.write(docnames, updated_docnames, method)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/builder.py",
 line 328, in write
    self.write_doc(docname, doctree)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/builder.py",
 line 522, in write_doc
    self.docwriter.write(doctree, destination)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/writers/__init__.py",
 line 76, in write
    self.translate()
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/htmlwriter.py",
 line 37, in translate
    self.document.walkabout(visitor)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 176, in walkabout
    if child.walkabout(visitor):
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 168, in walkabout
    visitor.dispatch_visit(self)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/docutils/nodes.py",
 line 1535, in dispatch_visit
    return method(node)
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/ext/pngmath.py",
 line 181, in html_visit_math
    fname, depth = render_math(self, '$'+node['latex']+'$')
  File 
"/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/site-packages/Sphinx-0.5.1-py2.5.egg/sphinx/ext/pngmath.py",
 line 115, in render_math
    p = Popen(ltx_args, stdout=PIPE, stderr=PIPE)
  File "/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/subprocess.py", 
line 594, in __init__
    errread, errwrite)
  File "/home/combi/hivert/Sage/sage-3.4/local/lib/python2.5/subprocess.py", 
line 1003, in _execute_child
    errpipe_read, errpipe_write = os.pipe()
OSError: [Errno 24] Too many open files
massena-*el/sage-main/doc $
                                         


Florent

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