nixpkgs/pkgs/applications/science/math/sage/patches/fix-ecl-race.patch
Timo Kaufmann d34f44db45
sage: fix transient ecl error (#54285)
Sometimes the doctests fail because ecl races to create a directory.
This should fix that by making sure each process has its own directory.
2019-01-18 23:02:03 +01:00

20 lines
742 B
Diff

diff --git a/src/sage/doctest/forker.py b/src/sage/doctest/forker.py
index 02e18e67e7..2ebf6eb35f 100644
--- a/src/sage/doctest/forker.py
+++ b/src/sage/doctest/forker.py
@@ -1075,6 +1075,14 @@ class SageDocTestRunner(doctest.DocTestRunner, object):
sage: set(ex2.predecessors) == set([ex0,ex1])
True
"""
+
+ # Fix ECL dir race conditions by using a separate dir for each process
+ # (https://trac.sagemath.org/ticket/26968)
+ os.environ['MAXIMA_USERDIR'] = "{}/sage-maxima-{}".format(
+ tempfile.gettempdir(),
+ os.getpid()
+ )
+
if isinstance(globs, RecordingDict):
globs.start()
example.sequence_number = len(self.history)