Author: Ronan Lamy <[email protected]>
Branch: py3.5
Changeset: r88144:7c88b941e3a8
Date: 2016-11-04 23:07 +0000
http://bitbucket.org/pypy/pypy/changeset/7c88b941e3a8/
Log: Test and fix for an annoying issue
diff --git a/pypy/interpreter/generator.py b/pypy/interpreter/generator.py
--- a/pypy/interpreter/generator.py
+++ b/pypy/interpreter/generator.py
@@ -162,6 +162,7 @@
try:
self.next_yield_from(frame, w_yf, w_arg_or_err)
except OperationError as operr:
+ operr.record_context(space, frame)
return frame.handle_generator_error(operr)
# Normal case: the call above raises Yield.
# We reach this point if the iterable is exhausted.
diff --git a/pypy/interpreter/pyopcode.py b/pypy/interpreter/pyopcode.py
--- a/pypy/interpreter/pyopcode.py
+++ b/pypy/interpreter/pyopcode.py
@@ -97,7 +97,6 @@
def handle_generator_error(self, operr):
# for generator.py
ec = self.space.getexecutioncontext()
- operr.record_context(self.space, self)
return self.handle_operation_error(ec, operr)
def handle_operation_error(self, ec, operr, attach_tb=True):
diff --git a/pypy/interpreter/test/test_generator.py
b/pypy/interpreter/test/test_generator.py
--- a/pypy/interpreter/test/test_generator.py
+++ b/pypy/interpreter/test/test_generator.py
@@ -185,6 +185,27 @@
tb = tb.tb_next
assert levels == 3
+ def test_throw_context(self):
+ # gen.throw(exc) must not modify exc.__context__
+ def gen():
+ try:
+ yield
+ except:
+ raise ValueError
+
+ try:
+ raise KeyError
+ except KeyError:
+ g = gen()
+ next(g)
+ exc1 = Exception(1)
+ exc2 = Exception(2)
+ exc2.__context__ = exc1
+ try:
+ g.throw(exc2)
+ except ValueError:
+ assert exc2.__context__ is exc1
+
def test_close(self):
def f():
yield 1
@@ -637,7 +658,7 @@
sys.stderr = io.StringIO()
gi.close()
assert 'ZeroDivisionError' in sys.stderr.getvalue()
-
+
def test_returning_value_from_delegated_throw(self):
"""
Test returning value from delegated 'throw'
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