Add exception handler for writing to closed log
diff --git a/buildstream/.vscode/settings.json b/buildstream/.vscode/settings.json
new file mode 100644
index 0000000..615aafb
--- /dev/null
+++ b/buildstream/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+ "python.pythonPath": "/usr/bin/python3"
+}
\ No newline at end of file
diff --git a/buildstream/element.py b/buildstream/element.py
index 6fb8261..e44721f 100644
--- a/buildstream/element.py
+++ b/buildstream/element.py
@@ -1407,7 +1407,6 @@
# - Cache the resulting artifact
#
def _assemble(self):
-
# Assert call ordering
assert not self._cached()
@@ -1465,7 +1464,7 @@
.format(e))
raise
-
+
collectdir = os.path.join(sandbox_root, collect.lstrip(os.sep))
if not os.path.exists(collectdir):
raise ElementError(
@@ -1828,6 +1827,9 @@
logfile.flush()
except RuntimeError:
os.fsync(logfile.fileno())
+ except ValueError:
+ raise ElementError('Action {} for element {} tried to write to a closed log file.'
+ .format(action_name, self.name))
self._set_log_handle(logfile)
with _signals.terminator(flush_log):
