Author: Armin Rigo <[email protected]>
Branch: py3.5
Changeset: r89655:4d7690bc23c2
Date: 2017-01-18 12:47 +0100
http://bitbucket.org/pypy/pypy/changeset/4d7690bc23c2/
Log: hg merge default
diff --git a/pypy/interpreter/executioncontext.py
b/pypy/interpreter/executioncontext.py
--- a/pypy/interpreter/executioncontext.py
+++ b/pypy/interpreter/executioncontext.py
@@ -325,7 +325,9 @@
try:
w_result = space.call_function(w_callback,
space.wrap(frame), space.wrap(event), w_arg)
if space.is_w(w_result, space.w_None):
- d.w_f_trace = None
+ # bug-to-bug compatibility with CPython
+ # http://bugs.python.org/issue11992
+ pass #d.w_f_trace = None
else:
d.w_f_trace = w_result
except:
diff --git a/pypy/interpreter/test/test_pyframe.py
b/pypy/interpreter/test/test_pyframe.py
--- a/pypy/interpreter/test/test_pyframe.py
+++ b/pypy/interpreter/test/test_pyframe.py
@@ -67,8 +67,12 @@
def test_f_lineno_set(self):
def tracer(f, *args):
+ def y(f, *args):
+ return y
def x(f, *args):
f.f_lineno += 1
+ return y # "return None" should have the same effect, but see
+ # test_local_trace_function_returning_None_ignored
return x
# obscure: call open beforehand, py3k's open invokes some app
@@ -773,6 +777,29 @@
assert frames[-4].f_code.co_name == 'f'
"""
+ def test_local_trace_function_returning_None_ignored(self):
+ # behave the same as CPython does, and in contradiction with
+ # the documentation.
+ def tracer(f, event, arg):
+ assert event == 'call'
+ return local_tracer
+
+ seen = []
+ def local_tracer(f, event, arg):
+ seen.append(event)
+ return None # but 'local_tracer' will be called again
+
+ def function():
+ a = 1
+ a = 2
+ a = 3
+
+ import sys
+ sys.settrace(tracer)
+ function()
+ sys.settrace(None)
+ assert seen == ["line", "line", "line", "return"]
+
def test_clear_locals(self):
def make_frames():
def outer():
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