summarylogtreecommitdiffstats
path: root/gdl-python3.patch
blob: 8327f6bee2f449c62de99f05fc0f93c1b7a38c9b (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
diff --git a/src/datatypes.cpp b/src/datatypes.cpp
index 1a8d126..e8b08a1 100644
--- a/src/datatypes.cpp
+++ b/src/datatypes.cpp
@@ -18,6 +18,7 @@
 #include "includefirst.hpp"
 
 #if defined(USE_PYTHON) || defined(PYTHON_MODULE)
+#include <patchlevel.h>
 #include <numpy/arrayobject.h>
 #endif
 
diff --git a/src/gdlpython.cpp b/src/gdlpython.cpp
index 7835ec9..dd17598 100644
--- a/src/gdlpython.cpp
+++ b/src/gdlpython.cpp
@@ -32,18 +32,32 @@
 
 using namespace std;
 
+#if PY_MAJOR_VERSION >= 3
+int PythonInit()
+{
+  if( Py_IsInitialized()) return NULL;
+#else
 void PythonInit()
 {
   if( Py_IsInitialized()) return;
+#endif
   Py_Initialize(); // signal handlers?
   
   static int argc = 1;
+#if PY_MAJOR_VERSION >= 3
+  static wchar_t* arg0 = Py_DecodeLocale("./py/python.exe",NULL);
+  static wchar_t* argv[] = {arg0};
+#else
   static char* arg0 = (char*)"./py/python.exe";
   static char* argv[] = {arg0};
+#endif
   PySys_SetArgv(argc, argv);
 
   // http://docs.scipy.org/doc/numpy/reference/c-api.array.html#miscellaneous
   import_array();
+#if PY_MAJOR_VERSION >= 3
+  return NULL;
+#endif
 }
 
 void PythonEnd()
@@ -71,6 +85,12 @@ BaseGDL* FromPython( PyObject* pyObj)
 {
   if( !PyArray_Check( pyObj))
     {
+#if PY_MAJOR_VERSION >= 3
+      if( PyUnicode_Check( pyObj))
+	{
+	  return new DStringGDL( PyUnicode_AsUTF8( pyObj));
+	}
+#else
       if( PyString_Check( pyObj))
 	{
 	  return new DStringGDL( PyString_AsString( pyObj));
@@ -79,6 +99,7 @@ BaseGDL* FromPython( PyObject* pyObj)
 	{
 	  return new DLongGDL( PyInt_AsLong( pyObj));
 	}
+#endif
       if( PyLong_Check( pyObj))
 	{
 	  return new DLongGDL( PyLong_AsLong( pyObj));
@@ -174,11 +195,19 @@ namespace lib {
 	  e->Throw( "ARGV keyword must be of type STRING.");
 	
 	int argc = argvS->N_Elements();
+#if PY_MAJOR_VERSION >= 3
+	wchar_t** argv = new wchar_t*[ argc];
+#else
 	char** argv = new char*[ argc];
+#endif
 
-	// pyhton copies the value -> threats it as const
+	// python copies the value -> treats it as const
 	for( int i=0; i<argc; ++i)
+#if PY_MAJOR_VERSION >= 3
+	  argv[i] = Py_DecodeLocale(const_cast<char*>((*argvS)[ i].c_str()), NULL); 
+#else
 	  argv[i] = const_cast<char*>((*argvS)[ i].c_str()); 
+#endif
 
 	PySys_SetArgv(argc, argv);
 	delete[] argv;
diff --git a/src/gdlpython.hpp b/src/gdlpython.hpp
index 45ef436..cb53bd7 100644
--- a/src/gdlpython.hpp
+++ b/src/gdlpython.hpp
@@ -18,7 +18,11 @@
 #ifndef GDLPYTHON_HPP_
 #define GDLPYTHON_HPP_
 
+#if PY_MAJOR_VERSION >= 3
+int PythonInit();
+#else
 void PythonInit();
+#endif
 void PythonEnd();
 BaseGDL* FromPython( PyObject* pyObj);
 
diff --git a/src/pythongdl.cpp b/src/pythongdl.cpp
index a3b5afd..e541ba5 100644
--- a/src/pythongdl.cpp
+++ b/src/pythongdl.cpp
@@ -191,14 +191,22 @@ bool CopyArgFromPython( vector<BaseGDL*>& parRef,
       for( SizeT k=0; k<nKW; ++k)
 	{
 	  PyDict_Next( kwDict, &dictPos, &key, &value);
+#if PY_MAJOR_VERSION >= 3
+	  int keyIsString =  PyUnicode_Check( key);
+#else
 	  int keyIsString =  PyString_Check( key);
+#endif
 	  if( !keyIsString)
 	    {
 	      PyErr_SetString( gdlError, 
 			       "Keywords must be of type string");
 	      return false;
 	    }
+#if PY_MAJOR_VERSION >= 3
+	  const char* keyChar = PyUnicode_AsUTF8( key);
+#else
 	  const char* keyChar = PyString_AsString( key);
+#endif
 	  string keyString = StrUpCase( keyChar);
 	  int kwIx = e.GetPro()->FindKey( keyString);
 	  if( kwIx == -1) 
@@ -523,6 +531,35 @@ extern "C" {
     {NULL, NULL, 0, NULL}        // Sentinel
   };
 
+#if PY_MAJOR_VERSION >= 3
+  struct module_state {
+    PyObject *error;
+  };
+
+  #define GETSTATE(m) ((struct module_state*)PyModule_GetState(m))
+
+  static int GDL_traverse(PyObject *m, visitproc visit, void *arg) {
+    Py_VISIT(GETSTATE(m)->error);
+    return 0;
+  }
+
+  static int GDL_clear(PyObject *m) {
+    Py_CLEAR(GETSTATE(m)->error);
+    return 0;
+  }
+
+  static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT,
+    "GDL",
+    NULL,
+    sizeof(struct module_state),
+    GDLMethods,
+    NULL,
+    GDL_traverse,
+    GDL_clear,
+    NULL
+  };
+#endif
 
   // python GDL module init function
   PyMODINIT_FUNC initGDL()
@@ -552,7 +589,11 @@ extern "C" {
       }
     SysVar::SetGDLPath( gdlPath);
     
+#if PY_MAJOR_VERSION >= 3
+    PyObject* m = PyModule_Create(&moduledef);
+#else
     PyObject* m = Py_InitModule("GDL", GDLMethods);
+#endif
 
     gdlError = PyErr_NewException((char*)"GDL.error", NULL, NULL);
     Py_INCREF(gdlError);