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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "mojo/public/python/src/python_system_helper.h" | |
6 | |
7 #include "Python.h" | |
8 | |
9 #include "mojo/public/cpp/system/macros.h" | |
10 #include "mojo/public/cpp/utility/run_loop.h" | |
11 | |
12 namespace { | |
13 | |
14 class PythonClosure : public mojo::Closure::Runnable { | |
15 public: | |
16 PythonClosure(PyObject* callable) { | |
sdefresne
2014/09/16 16:35:59
If callable is NULL, then callable_ will be uninit
qsr
2014/09/17 11:15:48
Done.
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17 if (callable) { | |
18 callable_ = callable; | |
19 Py_XINCREF(callable); | |
20 } | |
21 } | |
22 | |
23 virtual ~PythonClosure() { | |
24 if (callable_) | |
25 Py_DECREF(callable_); | |
26 } | |
27 | |
28 virtual void Run() const MOJO_OVERRIDE { | |
29 PyObject* empty_tuple = PyTuple_New(0); | |
sdefresne
2014/09/16 16:35:59
IIRC, Python function with a prototype returning a
qsr
2014/09/17 11:15:48
Changed to deal with the exception in the followin
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30 if (!empty_tuple) | |
31 return; | |
32 | |
33 PyObject* result = PyObject_CallObject(callable_, empty_tuple); | |
34 Py_DECREF(empty_tuple); | |
35 if (result) | |
36 Py_DECREF(result); | |
37 } | |
38 | |
39 private: | |
40 PyObject* callable_; | |
41 }; | |
42 | |
43 } // namespace | |
44 | |
45 namespace mojo { | |
46 | |
47 Closure BuildClosure(PyObject* callable) { | |
48 if (!PyCallable_Check(callable)) | |
49 return Closure(); | |
50 | |
51 return Closure( | |
52 static_cast<mojo::Closure::Runnable*>(new PythonClosure(callable))); | |
53 } | |
54 | |
55 void InitRunLoop() { | |
56 mojo::RunLoop::SetUp(); | |
57 } | |
58 | |
59 } // namespace mojo | |
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