blob: 12bb50c74d062d8d0bfc8425bbda399d767abf39 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* Copyright (C) 2005-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "LanguageHook.h"
#include "CallbackHandler.h"
#include "XBPython.h"
#include "interfaces/legacy/AddonUtils.h"
#include "utils/GlobalsHandling.h"
#include "PyContext.h"
namespace XBMCAddon
{
namespace Python
{
static AddonClass::Ref<PythonLanguageHook> instance;
static CCriticalSection hooksMutex;
static std::map<PyInterpreterState*,AddonClass::Ref<PythonLanguageHook> > hooks;
// vtab instantiation
PythonLanguageHook::~PythonLanguageHook()
{
XBMC_TRACE;
XBMCAddon::LanguageHook::deallocating();
}
void PythonLanguageHook::MakePendingCalls()
{
XBMC_TRACE;
PythonCallbackHandler::makePendingCalls();
}
void PythonLanguageHook::DelayedCallOpen()
{
XBMC_TRACE;
PyGILLock::releaseGil();
}
void PythonLanguageHook::DelayedCallClose()
{
XBMC_TRACE;
PyGILLock::acquireGil();
}
void PythonLanguageHook::RegisterMe()
{
XBMC_TRACE;
CSingleLock lock(hooksMutex);
hooks[m_interp] = AddonClass::Ref<PythonLanguageHook>(this);
}
void PythonLanguageHook::UnregisterMe()
{
XBMC_TRACE;
CSingleLock lock(hooksMutex);
hooks.erase(m_interp);
}
static AddonClass::Ref<XBMCAddon::Python::PythonLanguageHook> g_languageHook;
// Ok ... we're going to get it even if it doesn't exist. If it doesn't exist then
// we're going to assume we're not in control of the interpreter. This (apparently)
// can be the case. E.g. Libspotify manages to call into a script using a ctypes
// extention but under the control of an Interpreter we know nothing about. In
// cases like this we're going to use a global interpreter
AddonClass::Ref<PythonLanguageHook> PythonLanguageHook::GetIfExists(PyInterpreterState* interp)
{
XBMC_TRACE;
CSingleLock lock(hooksMutex);
std::map<PyInterpreterState*,AddonClass::Ref<PythonLanguageHook> >::iterator iter = hooks.find(interp);
if (iter != hooks.end())
return AddonClass::Ref<PythonLanguageHook>(iter->second);
// if we got here then we need to use the global one.
if (g_languageHook.isNull())
g_languageHook = new XBMCAddon::Python::PythonLanguageHook();
return g_languageHook;
}
bool PythonLanguageHook::IsAddonClassInstanceRegistered(AddonClass* obj)
{
for (std::map<PyInterpreterState*,AddonClass::Ref<PythonLanguageHook> >::iterator iter = hooks.begin();
iter != hooks.end(); ++iter)
{
if ((iter->second)->HasRegisteredAddonClassInstance(obj))
return true;
}
return false;
}
/**
* PythonCallbackHandler expects to be instantiated PER AddonClass instance
* that is to be used as a callback. This is why this cannot be instantited
* once.
*
* There is an expectation that this method is called from the Python thread
* that instantiated an AddonClass that has the potential for a callback.
*
* See RetardedAsynchCallbackHandler for more details.
* See PythonCallbackHandler for more details
* See PythonCallbackHandler::PythonCallbackHandler for more details
*/
XBMCAddon::CallbackHandler* PythonLanguageHook::GetCallbackHandler()
{
XBMC_TRACE;
return new PythonCallbackHandler();
}
String PythonLanguageHook::GetAddonId()
{
XBMC_TRACE;
// Get a reference to the main module
// and global dictionary
PyObject* main_module = PyImport_AddModule((char*)"__main__");
PyObject* global_dict = PyModule_GetDict(main_module);
// Extract a reference to the function "func_name"
// from the global dictionary
PyObject* pyid = PyDict_GetItemString(global_dict, "__xbmcaddonid__");
if (pyid)
return PyString_AsString(pyid);
return "";
}
String PythonLanguageHook::GetAddonVersion()
{
XBMC_TRACE;
// Get a reference to the main module
// and global dictionary
PyObject* main_module = PyImport_AddModule((char*)"__main__");
PyObject* global_dict = PyModule_GetDict(main_module);
// Extract a reference to the function "func_name"
// from the global dictionary
PyObject* pyversion = PyDict_GetItemString(global_dict, "__xbmcapiversion__");
if (pyversion)
return PyString_AsString(pyversion);
return "";
}
void PythonLanguageHook::RegisterPlayerCallback(IPlayerCallback* player) { XBMC_TRACE; g_pythonParser.RegisterPythonPlayerCallBack(player); }
void PythonLanguageHook::UnregisterPlayerCallback(IPlayerCallback* player) { XBMC_TRACE; g_pythonParser.UnregisterPythonPlayerCallBack(player); }
void PythonLanguageHook::RegisterMonitorCallback(XBMCAddon::xbmc::Monitor* monitor) { XBMC_TRACE; g_pythonParser.RegisterPythonMonitorCallBack(monitor); }
void PythonLanguageHook::UnregisterMonitorCallback(XBMCAddon::xbmc::Monitor* monitor) { XBMC_TRACE; g_pythonParser.UnregisterPythonMonitorCallBack(monitor); }
bool PythonLanguageHook::WaitForEvent(CEvent& hEvent, unsigned int milliseconds)
{
XBMC_TRACE;
return g_pythonParser.WaitForEvent(hEvent,milliseconds);
}
void PythonLanguageHook::RegisterAddonClassInstance(AddonClass* obj)
{
XBMC_TRACE;
CSingleLock l(*this);
obj->Acquire();
currentObjects.insert(obj);
}
void PythonLanguageHook::UnregisterAddonClassInstance(AddonClass* obj)
{
XBMC_TRACE;
CSingleLock l(*this);
if (currentObjects.erase(obj) > 0)
obj->Release();
}
bool PythonLanguageHook::HasRegisteredAddonClassInstance(AddonClass* obj)
{
XBMC_TRACE;
CSingleLock l(*this);
return currentObjects.find(obj) != currentObjects.end();
}
}
}
|
