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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/******************************************************************************
*
* MantaFlow fluid solver framework
* Copyright 2011 Tobias Pfaff, Nils Thuerey
*
* This program is free software, distributed under the terms of the
* Apache License, Version 2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Functions for property setting/getting via python
*
******************************************************************************/
#include "pythonInclude.h"
#include "structmember.h"
#include "manta.h"
#include "general.h"
#include "timing.h"
#ifdef GUI
# include <QMutex>
#else
class QMutex {
public:
void lock(){};
void unlock(){};
bool tryLock()
{
return true;
};
};
#endif
using namespace std;
namespace Manta {
//******************************************************************************
// Free functions
void pbPreparePlugin(FluidSolver *parent, const string &name, bool doTime)
{
if (doTime)
TimingData::instance().start(parent, name);
}
void pbFinalizePlugin(FluidSolver *parent, const string &name, bool doTime)
{
if (doTime)
TimingData::instance().stop(parent, name);
// GUI update, also print name of parent if there's more than one
std::ostringstream msg;
if (name != "FluidSolver::step") {
if (parent && (parent->getNumInstances() > 0))
msg << parent->getName() << string(".");
msg << name;
}
updateQtGui(false, 0, 0., msg.str());
debMsg(name << " done", 3);
// name unnamed PbClass Objects from var name
PbClass::renameObjects();
}
void pbSetError(const string &fn, const string &ex)
{
debMsg("Error in " << fn, 1);
if (!ex.empty())
PyErr_SetString(PyExc_RuntimeError, ex.c_str());
}
//******************************************************************************
// Helpers
string PbTypeVec::str() const
{
if (T.empty())
return "";
string s = "<";
for (int i = 0; i < (int)T.size(); i++) {
s += T[i].str();
s += (i != (int)T.size() - 1) ? ',' : '>';
}
return s;
}
string PbType::str() const
{
if (S == "float")
return "Real";
if (S == "manta.vec3")
return "Vec3";
return S;
}
//******************************************************************************
// PbClass
vector<PbClass *> PbClass::mInstances;
PbClass::PbClass(FluidSolver *parent, const string &name, PyObject *obj)
: mMutex(NULL), mParent(parent), mPyObject(obj), mName(name), mHidden(false)
{
mMutex = new QMutex();
}
PbClass::PbClass(const PbClass &a)
: mMutex(NULL), mParent(a.mParent), mPyObject(0), mName("_unnamed"), mHidden(false)
{
mMutex = new QMutex();
}
PbClass::~PbClass()
{
for (vector<PbClass *>::iterator it = mInstances.begin(); it != mInstances.end(); ++it) {
if (*it == this) {
mInstances.erase(it);
break;
}
}
delete mMutex;
}
void PbClass::lock()
{
mMutex->lock();
}
void PbClass::unlock()
{
mMutex->unlock();
}
bool PbClass::tryLock()
{
return mMutex->tryLock();
}
PbClass *PbClass::getInstance(int idx)
{
if (idx < 0 || idx > (int)mInstances.size())
errMsg("PbClass::getInstance(): invalid index");
return mInstances[idx];
}
int PbClass::getNumInstances()
{
return mInstances.size();
}
bool PbClass::isNullRef(PyObject *obj)
{
return PyLong_Check(obj) && PyLong_AsDouble(obj) == 0;
}
bool PbClass::isNoneRef(PyObject *obj)
{
return (obj == Py_None);
}
void PbClass::registerObject(PyObject *obj, PbArgs *args)
{
// cross link
Pb::setReference(this, obj);
mPyObject = obj;
mInstances.push_back(this);
if (args) {
string _name = args->getOpt<std::string>("name", -1, "");
if (!_name.empty())
setName(_name);
}
}
PbClass *PbClass::createPyObject(const string &classname,
const string &name,
PbArgs &args,
PbClass *parent)
{
return Pb::createPy(classname, name, args, parent);
}
void PbClass::checkParent()
{
if (getParent() == NULL) {
errMsg("New class " + mName + ": no parent given -- specify using parent=xxx !");
}
}
//! Assign unnamed PbClass objects their Python variable name
void PbClass::renameObjects()
{
PyObject *sys_mod_dict = PyImport_GetModuleDict();
PyObject *loc_mod = PyMapping_GetItemString(sys_mod_dict, (char *)"__main__");
if (!loc_mod)
return;
PyObject *locdict = PyObject_GetAttrString(loc_mod, "__dict__");
if (!locdict)
return;
// iterate all PbClass instances
for (size_t i = 0; i < mInstances.size(); i++) {
PbClass *obj = mInstances[i];
if (obj->getName().empty()) {
// empty, try to find instance in module local dictionary
PyObject *lkey, *lvalue;
Py_ssize_t lpos = 0;
while (PyDict_Next(locdict, &lpos, &lkey, &lvalue)) {
if (lvalue == obj->mPyObject) {
string varName = fromPy<string>(PyObject_Str(lkey));
obj->setName(varName);
// cout << "assigning variable name '" << varName << "' to unnamed instance" << endl;
break;
}
}
}
}
Py_DECREF(locdict);
Py_DECREF(loc_mod);
}
} // namespace Manta
|
