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| author | David Wolever <david@wolever.net> | 2008-03-18 21:20:25 (GMT) |
|---|---|---|
| committer | David Wolever <david@wolever.net> | 2008-03-18 21:20:25 (GMT) |
| commit | 8e6ec2ff026e2a6cf810094633e530baee21d95a (patch) | |
| tree | ac5228d11af8b834b87d8dbf2aed5d3f0ab152ef /Python/bltinmodule.c | |
| parent | 30f3680db7e7f5d34c54f8016799ef9091c5ef0f (diff) | |
| download | cpython-8e6ec2ff026e2a6cf810094633e530baee21d95a.zip cpython-8e6ec2ff026e2a6cf810094633e530baee21d95a.tar.gz cpython-8e6ec2ff026e2a6cf810094633e530baee21d95a.tar.bz2 | |
Added a warning when -3 is enabled and None is passed to filter as the first argument.
Diffstat (limited to 'Python/bltinmodule.c')
| -rw-r--r-- | Python/bltinmodule.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 8491ed4..228bb2d 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -296,6 +296,13 @@ builtin_filter(PyObject *self, PyObject *args) } if (func == (PyObject *)&PyBool_Type || func == Py_None) { + if (Py_Py3kWarningFlag && + PyErr_Warn(PyExc_DeprecationWarning, + "filter with None as a first argument " + "is not supported in 3.x. Use a list " + "comprehension instead.") < 0) + return NULL; + ok = PyObject_IsTrue(item); } else { |