Author: Carl Friedrich Bolz <cfb...@gmx.de>
Branch:
Changeset: r88582:436f95cd8184
Date: 2016-11-23 17:25 +0100
http://bitbucket.org/pypy/pypy/changeset/436f95cd8184/
Log: test and fix: PyDict_Update is not actually the same as dict.update
in CPython (that would be too simple)
diff --git a/pypy/module/cpyext/dictobject.py b/pypy/module/cpyext/dictobject.py
--- a/pypy/module/cpyext/dictobject.py
+++ b/pypy/module/cpyext/dictobject.py
@@ -137,8 +137,7 @@
"""This is the same as PyDict_Merge(a, b, 1) in C, or a.update(b) in
Python. Return 0 on success or -1 if an exception was raised.
"""
- space.call_method(space.w_dict, "update", w_obj, w_other)
- return 0
+ return PyDict_Merge(space, w_obj, w_other, 1)
@cpython_api([PyObject], PyObject)
def PyDict_Keys(space, w_obj):
diff --git a/pypy/module/cpyext/test/test_dictobject.py
b/pypy/module/cpyext/test/test_dictobject.py
--- a/pypy/module/cpyext/test/test_dictobject.py
+++ b/pypy/module/cpyext/test/test_dictobject.py
@@ -103,6 +103,17 @@
api.PyDict_Update(w_d, w_d2)
assert space.unwrap(w_d) == dict(a='b', c='d', e='f')
+ def test_update_doesnt_accept_list_of_tuples(self, space, api):
+ w_d = space.newdict()
+ space.setitem(w_d, space.wrap("a"), space.wrap("b"))
+
+ w_d2 = space.wrap([("c", "d"), ("e", "f")])
+
+ api.PyDict_Update(w_d, w_d2)
+ assert api.PyErr_Occurred() is space.w_AttributeError
+ api.PyErr_Clear()
+ assert space.unwrap(w_d) == dict(a='b') # unchanged
+
def test_iter(self, space, api):
w_dict = space.sys.getdict(space)
py_dict = make_ref(space, w_dict)
@@ -199,3 +210,18 @@
"""),
])
assert module.dict_proxy({'a': 1, 'b': 2}) == 2
+
+ def test_update(self):
+ module = self.import_extension('foo', [
+ ("update", "METH_VARARGS",
+ '''
+ if (PyDict_Update(PyTuple_GetItem(args, 0), PyTuple_GetItem(args,
1)))
+ return NULL;
+ Py_RETURN_NONE;
+ ''')])
+ d = {"a": 1}
+ module.update(d, {"c": 2})
+ assert d == dict(a=1, c=2)
+ d = {"a": 1}
+ raises(AttributeError, module.update, d, [("c", 2)])
+
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