X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/9202d4248dd7df2f6e5eb53b4154c8297ec9b1d1..006e3497641164df7a413c8730d9b8914d67e2d8:/lib/python/python.cpp diff --git a/lib/python/python.cpp b/lib/python/python.cpp index 14e32af6..c5faeed4 100644 --- a/lib/python/python.cpp +++ b/lib/python/python.cpp @@ -1,52 +1,133 @@ -#include #include -#include - + /* avoid warnigs :) */ +#undef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 200112L extern "C" void init_enigma(); +extern "C" void eBaseInit(void); +extern "C" void eConsoleInit(void); +extern void bsodFatal(const char *component); -#if 0 -ePyObject::ePyObject(void *ptr): m_object(ptr) -{ - Py_XINCREF((PyObject*)ptr); -} +#define SKIP_PART2 +#include +#undef SKIP_PART2 -ePyObject::ePyObject(ePyObject &p) +#ifdef PYTHON_REFCOUNT_DEBUG +ePyObject &ePyObject::operator=(PyObject *ob) { - m_object = p.m_object; - Py_XINCREF((PyObject*)m_object); + m_ob=ob; + m_file=0; + m_line=0; + m_from=m_to=0; + m_erased=false; + return *this; } -ePyObject::ePyObject(): m_object(0) +ePyObject &ePyObject::operator=(const ePyObject &ob) { + m_ob=ob.m_ob; + m_file=ob.m_file; + m_line=ob.m_line; + m_from=ob.m_from; + m_to=ob.m_to; + m_erased=ob.m_erased; + return *this; } -ePyObject::~ePyObject() +ePyObject::operator PyObject*() { - Py_XDECREF((PyObject*)m_object); + if (m_ob) + { + if (!m_erased && m_ob->ob_refcnt > 0) + return m_ob; + eDebug("invalid access PyObject %s with refcount <= 0 %d", + m_erased ? "deleted" : "undeleted", m_ob->ob_refcnt); + if (m_file) + eDebug("last modified in file %s line %d from %d to %d", + m_file, m_line, m_from, m_to); + bsodFatal("enigma2, refcnt"); + } + return 0; } -ePyObject &ePyObject::operator=(ePyObject &p) +void ePyObject::incref(const char *file, int line) { - Py_XDECREF((PyObject*)m_object); - m_object = p.m_object; - Py_XINCREF((PyObject*)m_object); - return *this; + if (!m_ob) + { + eDebug("invalid incref python object with null pointer %s %d!!!", file, line); + if (m_file) + eDebug("last modified in file %s line %d from %d to %d", + m_file, m_line, m_from, m_to); + bsodFatal("enigma2, refcnt"); + } + if (m_erased || m_ob->ob_refcnt <= 0) + { + eDebug("invalid incref %s python object with refcounting value %d in file %s line %d!!!", + m_erased ? "deleted" : "undeleted", m_ob->ob_refcnt, file, line); + if (m_file) + eDebug("last modified in file %s line %d from %d to %d", + m_file, m_line, m_from, m_to); + bsodFatal("enigma2, refcnt"); + } + if (m_ob->ob_refcnt == 0x7FFFFFFF) + { + eDebug("invalid incref %s python object with refcounting value %d (MAX_INT!!!) in file %s line %d!!!", + m_erased ? "deleted" : "undeleted", m_ob->ob_refcnt, file, line); + if (m_file) + eDebug("last modified in file %s line %d from %d to %d", + m_file, m_line, m_from, m_to); + bsodFatal("enigma2, refcnt"); + } + m_file = file; + m_line = line; + m_from = m_ob->ob_refcnt; + m_to = m_from+1; + Py_INCREF(m_ob); } -ePyObject &ePyObject::operator=(void *object) +void ePyObject::decref(const char *file, int line) { - Py_XDECREF((PyObject*)m_object); - m_object = object; - Py_XINCREF((PyObject*)m_object); - return *this; + if (!m_ob) + { + eDebug("invalid decref python object with null pointer %s %d!!!", file, line); + if (m_file) + eDebug("last modified in file %s line %d from %d to %d", + m_file, m_line, m_from, m_to); + bsodFatal("enigma2, refcnt"); + } + if (m_erased || m_ob->ob_refcnt <= 0) + { + eDebug("invalid decref %s python object with refcounting value %d in file %s line %d!!!", + m_erased ? "deleted" : "undeleted", m_ob->ob_refcnt, file, line); + if (m_file) + eDebug("last modified in file %s line %d from %d to %d", + m_file, m_line, m_from, m_to); + bsodFatal("enigma2, refcnt"); + } + m_file = file; + m_line = line; + m_from = m_ob->ob_refcnt; + m_to = m_from-1; + m_erased = !m_to; + Py_DECREF(m_ob); } -#endif +#endif // PYTHON_REFCOUNT_DEBUG + +#define SKIP_PART1 +#include +#undef SKIP_PART1 ePython::ePython() { - Py_Initialize(); +// Py_VerboseFlag = 1; +// Py_OptimizeFlag = 1; + + Py_Initialize(); + PyEval_InitThreads(); + init_enigma(); + eBaseInit(); + eConsoleInit(); } ePython::~ePython() @@ -54,16 +135,25 @@ ePython::~ePython() Py_Finalize(); } +int ePython::execFile(const char *file) +{ + FILE *fp = fopen(file, "r"); + if (!fp) + return -ENOENT; + int ret = PyRun_SimpleFile(fp, file); + fclose(fp); + return ret; +} + int ePython::execute(const std::string &pythonfile, const std::string &funcname) { - PyObject *pName, *pModule, *pDict, *pFunc, *pArgs, *pValue; - + ePyObject pName, pModule, pDict, pFunc, pArgs, pValue; pName = PyString_FromString(pythonfile.c_str()); - + pModule = PyImport_Import(pName); Py_DECREF(pName); - if (pModule != NULL) + if (pModule) { pDict = PyModule_GetDict(pModule); @@ -75,7 +165,7 @@ int ePython::execute(const std::string &pythonfile, const std::string &funcname) // implement arguments.. pValue = PyObject_CallObject(pFunc, pArgs); Py_DECREF(pArgs); - if (pValue != NULL) + if (pValue) { printf("Result of call: %ld\n", PyInt_AsLong(pValue)); Py_DECREF(pValue); @@ -95,44 +185,50 @@ int ePython::execute(const std::string &pythonfile, const std::string &funcname) return 0; } -void ePython::call(PyObject *pFunc, PyObject *pArgs) +int ePython::call(ePyObject pFunc, ePyObject pArgs) { - PyObject *pValue; + int res = -1; + ePyObject pValue; if (pFunc && PyCallable_Check(pFunc)) { pValue = PyObject_CallObject(pFunc, pArgs); - if (pValue != NULL) + if (pValue) { -// printf("Result of call: %ld\n", PyInt_AsLong(pValue)); + if (PyInt_Check(pValue)) + res = PyInt_AsLong(pValue); + else + res = 0; Py_DECREF(pValue); } else { PyErr_Print(); + ePyObject FuncStr = PyObject_Str(pFunc); + ePyObject ArgStr = PyObject_Str(pArgs); + eDebug("(PyObject_CallObject(%s,%s) failed)", PyString_AS_STRING(FuncStr), PyString_AS_STRING(ArgStr)); + Py_DECREF(FuncStr); + Py_DECREF(ArgStr); + bsodFatal(0); } } + return res; } -PyObject *ePython::resolve(const std::string &pythonfile, const std::string &funcname) +ePyObject ePython::resolve(const std::string &pythonfile, const std::string &funcname) { - PyObject *pName, *pModule, *pDict, *pFunc; + ePyObject pName, pModule, pDict, pFunc; pName = PyString_FromString(pythonfile.c_str()); pModule = PyImport_Import(pName); Py_DECREF(pName); - if (pModule != NULL) + if (pModule) { pDict = PyModule_GetDict(pModule); pFunc = PyDict_GetItemString(pDict, funcname.c_str()); Py_XINCREF(pFunc); Py_DECREF(pModule); - eDebug("resolved to %p", pFunc); - return pFunc; - } else - { - if (PyErr_Occurred()) - PyErr_Print(); - return 0; - } + } else if (PyErr_Occurred()) + PyErr_Print(); + return pFunc; }