Author: Armin Rigo <[email protected]>
Branch:
Changeset: r94804:96023743535d
Date: 2018-07-05 16:47 +0200
http://bitbucket.org/pypy/pypy/changeset/96023743535d/
Log: sys.excepthook() should add a newline to stdout if needed, in
addition to flushing it
diff --git a/pypy/module/sys/app.py b/pypy/module/sys/app.py
--- a/pypy/module/sys/app.py
+++ b/pypy/module/sys/app.py
@@ -11,6 +11,11 @@
# Flush stdout as well, both files may refer to the same file
try:
+ if sys.stdout.softspace:
+ print
+ except:
+ pass
+ try:
sys.stdout.flush()
except:
pass
diff --git a/pypy/module/sys/test/test_sysmodule.py
b/pypy/module/sys/test/test_sysmodule.py
--- a/pypy/module/sys/test/test_sysmodule.py
+++ b/pypy/module/sys/test/test_sysmodule.py
@@ -256,6 +256,30 @@
print repr(err.getvalue())
assert err.getvalue().endswith("ValueError: %s\n" % expectedoutput)
+ def test_excepthook_flushes_stdout(self):
+ import sys, cStringIO
+ savestdout = sys.stdout
+ out = cStringIO.StringIO()
+ sys.stdout = out
+
+ eh = sys.__excepthook__
+
+ try:
+ raise ValueError(42)
+ except ValueError as exc:
+ print "hello" # with end-of-line
+ eh(*sys.exc_info())
+ try:
+ raise ValueError(42)
+ except ValueError as exc:
+ print 123, 456, # no end-of-line here
+ assert sys.stdout.softspace
+ eh(*sys.exc_info())
+ assert not sys.stdout.softspace
+
+ sys.stdout = savestdout
+ assert out.getvalue() == 'hello\n123 456\n' # with a final \n added
+
# FIXME: testing the code for a lost or replaced excepthook in
# Python/pythonrun.c::PyErr_PrintEx() is tricky.
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