RunPythonFileAction::RunPythonFileAction(const ParameterValueMap ¶meters) :
RunPythonAction(parameters)
{
// Converting to boost::filesystem::path first buys us some useful path expansion and validation
const std::string filename(boost::filesystem::path(parameters[PATH]).string());
std::FILE *fp = std::fopen(filename.c_str(), "r");
if (!fp) {
throw SimpleException(M_FILE_MESSAGE_DOMAIN, "Unable to open Python file", strerror(errno));
}
BOOST_SCOPE_EXIT(fp) {
std::fclose(fp);
} BOOST_SCOPE_EXIT_END
ScopedGILAcquire sga;
struct _node *node = PyParser_SimpleParseFile(fp, filename.c_str(), Py_file_input);
BOOST_SCOPE_EXIT(node) {
PyNode_Free(node);
} BOOST_SCOPE_EXIT_END
if (!node ||
!(codeObject = PyNode_Compile(node, filename.c_str())))
{
throw PythonException("Python compilation failed");
}
}
PyObject *uwsgi_eval_loader(void *arg1) {
char *code = (char *) arg1;
PyObject *wsgi_eval_module, *wsgi_eval_callable = NULL;
struct _node *wsgi_eval_node = NULL;
PyObject *wsgi_compiled_node;
wsgi_eval_node = PyParser_SimpleParseString(code, Py_file_input);
if (!wsgi_eval_node) {
PyErr_Print();
uwsgi_log( "failed to parse <eval> code\n");
exit(UWSGI_FAILED_APP_CODE);
}
wsgi_compiled_node = (PyObject *) PyNode_Compile(wsgi_eval_node, "uwsgi_eval_config");
if (!wsgi_compiled_node) {
PyErr_Print();
uwsgi_log( "failed to compile eval code\n");
exit(UWSGI_FAILED_APP_CODE);
}
wsgi_eval_module = PyImport_ExecCodeModule("uwsgi_eval_config", wsgi_compiled_node);
if (!wsgi_eval_module) {
PyErr_Print();
exit(UWSGI_FAILED_APP_CODE);
}
Py_DECREF(wsgi_compiled_node);
up.loader_dict = PyModule_GetDict(wsgi_eval_module);
if (!up.loader_dict) {
PyErr_Print();
exit(UWSGI_FAILED_APP_CODE);
}
if (up.callable) {
wsgi_eval_callable = PyDict_GetItemString(up.loader_dict, up.callable);
}
else {
wsgi_eval_callable = PyDict_GetItemString(up.loader_dict, "application");
}
if (wsgi_eval_callable) {
if (!PyFunction_Check(wsgi_eval_callable) && !PyCallable_Check(wsgi_eval_callable)) {
uwsgi_log( "you must define a callable object in your code\n");
exit(UWSGI_FAILED_APP_CODE);
}
}
return wsgi_eval_callable;
}
PyObject *
Py_CompileString(char *str, char *filename, int start)
{
node *n;
PyCodeObject *co;
n = PyParser_SimpleParseString(str, start);
if (n == NULL)
return NULL;
co = PyNode_Compile(n, filename);
PyNode_Free(n);
return (PyObject *)co;
}
static PyObject *
run_node(node *n, char *filename, PyObject *globals, PyObject *locals)
{
PyCodeObject *co;
PyObject *v;
co = PyNode_Compile(n, filename);
PyNode_Free(n);
if (co == NULL)
return NULL;
v = PyEval_EvalCode(co, globals, locals);
Py_DECREF(co);
return v;
}
int
csl_compile(char *str, char *name, char **codeptr, size_t *sizeptr)
{
PyObject *pCode, *pStr;
node *n;
size_t size;
// compile into a code object
n = PyParser_SimpleParseString(str, Py_file_input);
if (!n) {
log_exception();
return CSL_BADCODE;
}
pCode = (PyObject *) PyNode_Compile(n, name);
PyNode_Free(n);
if (!pCode) {
log_exception();
return CSL_BADCODE;
}
// serialize code object
#if PY_MINOR_VERSION == 3
pStr = PyMarshal_WriteObjectToString(pCode);
#else
pStr = PyMarshal_WriteObjectToString(pCode, 0);
#endif
Py_DECREF(pCode);
if (!pStr) {
return CSL_NOMEM;
}
size = PyString_Size(pStr);
*codeptr = malloc(size);
if (!*codeptr) {
Py_DECREF(pStr);
return CSL_NOMEM;
}
memcpy(*codeptr, PyString_AsString(pStr), size);
*sizeptr = size;
Py_DECREF(pStr);
return 0;
}
PyObject *uwsgi_pyimport_by_filename(char *name, char *filename) {
#ifdef UWSGI_PYPY
uwsgi_log("import by filename is currently not supported on PyPy !!!\n");
return NULL;
#else
FILE *pyfile;
struct _node *py_file_node = NULL;
PyObject *py_compiled_node, *py_file_module;
int is_a_package = 0;
struct stat pystat;
char *real_filename = filename;
if (!uwsgi_check_scheme(filename)) {
pyfile = fopen(filename, "r");
if (!pyfile) {
uwsgi_log("failed to open python file %s\n", filename);
return NULL;
}
if (fstat(fileno(pyfile), &pystat)) {
uwsgi_error("fstat()");
return NULL;
}
if (S_ISDIR(pystat.st_mode)) {
is_a_package = 1;
fclose(pyfile);
real_filename = uwsgi_concat2(filename, "/__init__.py");
pyfile = fopen(real_filename, "r");
if (!pyfile) {
uwsgi_error_open(real_filename);
free(real_filename);
return NULL;
}
}
py_file_node = PyParser_SimpleParseFile(pyfile, real_filename, Py_file_input);
if (!py_file_node) {
PyErr_Print();
uwsgi_log("failed to parse file %s\n", real_filename);
if (is_a_package)
free(real_filename);
fclose(pyfile);
return NULL;
}
fclose(pyfile);
}
else {
int pycontent_size = 0;
char *pycontent = uwsgi_open_and_read(filename, &pycontent_size, 1, NULL);
if (pycontent) {
py_file_node = PyParser_SimpleParseString(pycontent, Py_file_input);
if (!py_file_node) {
PyErr_Print();
uwsgi_log("failed to parse url %s\n", real_filename);
return NULL;
}
}
}
py_compiled_node = (PyObject *) PyNode_Compile(py_file_node, real_filename);
if (!py_compiled_node) {
PyErr_Print();
uwsgi_log("failed to compile python file %s\n", real_filename);
return NULL;
}
if (is_a_package) {
py_file_module = PyImport_AddModule(name);
if (py_file_module) {
PyModule_AddObject(py_file_module, "__path__", Py_BuildValue("[O]", PyString_FromString(filename)));
}
free(real_filename);
}
py_file_module = PyImport_ExecCodeModule(name, py_compiled_node);
if (!py_file_module) {
PyErr_Print();
return NULL;
}
Py_DECREF(py_compiled_node);
return py_file_module;
#endif
}
int
csl_execute(char *code, size_t size, const char *func_name, struct pack *pak, char **resptr, int *reslen)
{
PyObject *pCode, *pModule, *pDict, *pFunc, *pValue, *pStr;
PyObject *pArgs, *pkArgs;
PyMethodDef *meth;
node *n;
pModule = PyImport_AddModule("__builtin__");
pDict = PyModule_GetDict(pModule);
for (meth = methods; meth->ml_name; meth++) {
pCode = PyCFunction_New(meth, NULL);
PyDict_SetItemString(pDict, meth->ml_name, pCode);
}
if (size == 0) {
n = PyParser_SimpleParseString(code, Py_file_input);
if (!n) {
log_exception();
return CSL_BADCODE;
}
pCode = (PyObject *) PyNode_Compile(n, "lala");
PyNode_Free(n);
if (!pCode) {
log_exception();
return CSL_BADCODE;
}
} else {
pCode = PyMarshal_ReadObjectFromString(code, size);
if (!pCode) {
log_exception();
return CSL_BADCODE;
}
}
pModule = PyImport_ExecCodeModule("csl", pCode);
Py_DECREF(pCode);
if (!pModule || !PyModule_Check(pModule)) {
return CSL_BADCODE;
}
pDict = PyModule_GetDict(pModule);
if (!pDict) {
Py_DECREF(pModule);
return CSL_BADCODE;
}
pFunc = PyDict_GetItemString(pDict, func_name);
if (!pFunc || !PyCallable_Check(pFunc)) {
Py_DECREF(pModule);
return CSL_NOFUNC;
}
pArgs = NULL;
pkArgs = PyDict_New();
while (pak) {
PyObject *p;
char *t, *t2;
size_t sz;
if (pack_get(pak, &t, &sz) == 0) break;
if (pack_get(pak, &t2, &sz) == 0) {
pArgs = PyTuple_New(1);
PyTuple_SetItem(pArgs, 0, PyString_FromString(t));
Py_DECREF(pkArgs);
break;
}
p = PyString_FromStringAndSize(t2, sz);
PyDict_SetItemString(pkArgs, t, p);
}
if (!pArgs) pArgs = PyTuple_New(0);
pValue = PyObject_Call(pFunc, pArgs, pkArgs);
if (!pValue) {
log_exception();
Py_DECREF(pModule);
return CSL_FUNCERR;
}
pStr = PyObject_Str(pValue);
Py_DECREF(pValue);
Py_DECREF(pModule);
// is return value asked?
if (resptr == NULL) return 0;
*reslen = PyString_Size(pStr);
*resptr = malloc((*reslen) + 1);
if (!*resptr) {
Py_DECREF(pStr);
return CSL_NOMEM;
}
memcpy(*resptr, PyString_AsString(pStr), *reslen);
(*resptr)[*reslen] = '\0';
return 0;
}
