Issue #16180: Exit pdb if file has syntax error, instead of trapping user
in an infinite loop. Patch by Xavier de Gaye.
diff --git a/Lib/pdb.py b/Lib/pdb.py
index 113b4e0..4d35103 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -1322,6 +1322,9 @@
# In most cases SystemExit does not warrant a post-mortem session.
print "The program exited via sys.exit(). Exit status: ",
print sys.exc_info()[1]
+ except SyntaxError:
+ traceback.print_exc()
+ sys.exit(1)
except:
traceback.print_exc()
print "Uncaught exception. Entering post mortem debugging"
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index b6dd2b7..b98fe19 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -69,6 +69,17 @@
any('main.py(5)foo()->None' in l for l in stdout.splitlines()),
'Fail to step into the caller after a return')
+ def test_issue16180(self):
+ # A syntax error in the debuggee.
+ script = "def f: pass\n"
+ commands = ''
+ expected = "SyntaxError:"
+ stdout, stderr = self.run_pdb(script, commands)
+ self.assertIn(expected, stdout,
+ '\n\nExpected:\n{}\nGot:\n{}\n'
+ 'Fail to handle a syntax error in the debuggee.'
+ .format(expected, stdout))
+
class PdbTestInput(object):
"""Context manager that makes testing Pdb in doctests easier."""