Sébastien Labbé wrote:
> All tests passed on Ubuntu 14.04 with make ptestlong using
> --optional=mpir,python2,sage
>
> Other than the Tutte polynomial one, I get two other slow doctests that
> are not marked with #long time. I can not confirm whether it is a
> regression as I don't keep my old version of sage.
>
>
> sage -t --long --warn-long 31.5 src/sage/graphs/generators/families.py
> **********************************************************************
> File "src/sage/graphs/generators/families.py", line 2053, in
> sage.graphs.generators.families.petersen_family
> Warning, slow doctest:
> F2 = graphs.petersen_family(generate=True)
> Test ran for 99.31 s
> [280 tests, 128.07 s]
>
>
> sage -t --long --warn-long 31.5 src/sage/combinat/posets/posets.py
> **********************************************************************
> File "src/sage/combinat/posets/posets.py", line 6430, in
> sage.combinat.posets.posets.FinitePoset._kl_poly
> Warning, slow doctest:
> L._kl_poly()
> Test ran for 127.72 s
> [1122 tests, 146.65 s]
Both keep calling 'pip list' as well (same issue as with Tutte polynomial).
Perhaps retry with
diff --git a/src/sage/misc/package.py b/src/sage/misc/package.py
index bdddb63..6422e87 100644
--- a/src/sage/misc/package.py
+++ b/src/sage/misc/package.py
@@ -290,7 +290,7 @@ def installed_packages():
"""
from sage.env import SAGE_SPKG_INST
installed = dict(pkgname_split(pkgname) for pkgname in
os.listdir(SAGE_SPKG_INST))
- installed.update(pip_installed_packages())
+ # installed.update(pip_installed_packages())
return installed
def is_package_installed(package):
(Don't forget to run './sage -b' after changing the file, or just change
$SAGE_LOCAL/lib/python/site-packages/sage/misc/package.py temporarily.)
A branch doing a bit more can be found on #21291 [1].
The main issue is of course still that is_package_installed() gets
called far too often. (There are meanwhile tickets addressing some
instances at least.)
-leif
[1] https://trac.sagemath.org/ticket/21291
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