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
parent a26117593d
commit d34f44db45
2 changed files with 22 additions and 0 deletions
@@ -0,0 +1,19 @@
+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)