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dce3263ee35863343c9ec2d99f26e91779013f7a
uwsgi/plugins/python/python_plugin.c
roberto@debian32 dce3263ee3 added mule messaging subsystem
2011-10-03 07:45:18 +02:00

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#include "uwsgi_python.h"
extern struct uwsgi_server uwsgi;
struct uwsgi_python up;
extern struct http_status_codes hsc[];
#include <glob.h>
extern PyTypeObject uwsgi_InputType;
struct option uwsgi_python_options[] = {
{"wsgi-file", required_argument, 0, LONG_ARGS_WSGI_FILE},
{"file", required_argument, 0, LONG_ARGS_FILE_CONFIG},
{"eval", required_argument, 0, LONG_ARGS_EVAL_CONFIG},
{"module", required_argument, 0, 'w'},
{"wsgi", required_argument, 0, 'w'},
{"callable", required_argument, 0, LONG_ARGS_CALLABLE},
{"test", required_argument, 0, 'J'},
{"home", required_argument, 0, 'H'},
{"virtualenv", required_argument, 0, 'H'},
{"venv", required_argument, 0, 'H'},
{"pyhome", required_argument, 0, 'H'},
{"pythonpath", required_argument, 0, LONG_ARGS_PYTHONPATH},
{"python-path", required_argument, 0, LONG_ARGS_PYTHONPATH},
{"pymodule-alias", required_argument, 0, LONG_ARGS_PYMODULE_ALIAS},
{"post-pymodule-alias", required_argument, 0, LONG_ARGS_POST_PYMODULE_ALIAS},
{"import", required_argument, 0, LONG_ARGS_PYIMPORT},
{"pyimport", required_argument, 0, LONG_ARGS_PYIMPORT},
{"py-import", required_argument, 0, LONG_ARGS_PYIMPORT},
{"python-import", required_argument, 0, LONG_ARGS_PYIMPORT},
{"spooler-import", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
{"spooler-pyimport", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
{"spooler-py-import", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
{"spooler-python-import", required_argument, 0, LONG_ARGS_SPOOLER_PYIMPORT},
{"pp", required_argument, 0, LONG_ARGS_PYTHONPATH},
{"pyargv", required_argument, 0, LONG_ARGS_PYARGV},
{"optimize", required_argument, 0, 'O'},
{"paste", required_argument, 0, LONG_ARGS_PASTE},
{"web3", required_argument, 0, LONG_ARGS_WEB3},
{"pump", required_argument, 0, LONG_ARGS_PUMP},
{"wsgi-lite", required_argument, 0, LONG_ARGS_WSGI_LITE},
#ifdef UWSGI_INI
{"ini-paste", required_argument, 0, LONG_ARGS_INI_PASTE},
#endif
{"catch-exceptions", no_argument, &up.catch_exceptions, 1},
{"ignore-script-name", no_argument, &up.ignore_script_name, 1},
{"pep3333-input", no_argument, &up.pep3333_input, 1},
{"reload-os-env", no_argument, &up.reload_os_env, 1},
#ifndef UWSGI_PYPY
{"no-site", no_argument, &Py_NoSiteFlag, 1},
#endif
{"pyshell", no_argument, 0, LONG_ARGS_PYSHELL},
{"python", required_argument, 0, LONG_ARGS_PYTHON_RUN},
{"py", required_argument, 0, LONG_ARGS_PYTHON_RUN},
{0, 0, 0, 0},
};
struct uwsgi_help_item uwsgi_python_help[] = {
{"module <module>" ,"name of python config module"},
{"optimize <n>", "set python optimization level to <n>"},
{"home <path>", "set python home/virtualenv"},
{"pyhome <path>", "set python home/virtualenv"},
{"virtualenv <path>", "set python home/virtualenv"},
{"venv <path>", "set python home/virtualenv"},
{"callable <callable>", "set the callable (default 'application')"},
{"paste <config:/egg:>", "load applications using paste.deploy.loadapp()"},
{"pythonpath <dir>", "add <dir> to PYTHONPATH"},
{"python-path <dir>", "add <dir> to PYTHONPATH"},
{"pp <dir>", "add <dir> to PYTHONPATH"},
{"pyargv <args>", "assign args to python sys.argv"},
{"wsgi-file <file>", "load the <file> wsgi file"},
{"file <file>", "use python file instead of python module for configuration"},
{"eval <code>", "evaluate code for app configuration"},
{"ini-paste <inifile>", "path of ini config file that contains paste configuration"},
{"pyshell", "run a python interactive shell in the uwsgi environment (steals a worker)"},
{ 0, 0},
};
/* this routine will be called after each fork to reinitialize the various locks */
void uwsgi_python_pthread_prepare(void) {
pthread_mutex_lock(&up.lock_pyloaders);
}
void uwsgi_python_pthread_parent(void) {
pthread_mutex_unlock(&up.lock_pyloaders);
}
void uwsgi_python_pthread_child(void) {
pthread_mutex_init(&up.lock_pyloaders, NULL);
}
// fake method
PyMethodDef null_methods[] = {
{NULL, NULL},
};
PyMethodDef uwsgi_spit_method[] = { {"uwsgi_spit", py_uwsgi_spit, METH_VARARGS, ""} };
PyMethodDef uwsgi_write_method[] = { {"uwsgi_write", py_uwsgi_write, METH_VARARGS, ""} };
int uwsgi_python_init() {
#ifndef UWSGI_PYPY
char *pyversion = strchr(Py_GetVersion(), '\n');
uwsgi_log("Python version: %.*s %s\n", pyversion-Py_GetVersion(), Py_GetVersion(), Py_GetCompiler()+1);
#else
uwsgi_log("PyPy version: %s\n", PYPY_VERSION);
#endif
#ifndef UWSGI_PYPY
if (up.home != NULL) {
#ifdef PYTHREE
wchar_t *wpyhome;
wpyhome = malloc((sizeof(wchar_t) * strlen(up.home)) + sizeof(wchar_t) );
if (!wpyhome) {
uwsgi_error("malloc()");
exit(1);
}
mbstowcs(wpyhome, up.home, strlen(up.home));
Py_SetPythonHome(wpyhome);
// do not free this memory !!!
//free(wpyhome);
#else
Py_SetPythonHome(up.home);
#endif
uwsgi_log("Set PythonHome to %s\n", up.home);
}
#ifdef PYTHREE
wchar_t pname[6];
mbstowcs(pname, "uWSGI", 6);
Py_SetProgramName(pname);
#else
Py_SetProgramName("uWSGI");
#endif
Py_OptimizeFlag = up.optimize;
Py_Initialize();
#endif
up.wsgi_spitout = PyCFunction_New(uwsgi_spit_method, NULL);
up.wsgi_writeout = PyCFunction_New(uwsgi_write_method, NULL);
up.main_thread = PyThreadState_Get();
// by default set a fake GIL (little impact on performance)
up.gil_get = gil_fake_get;
up.gil_release = gil_fake_release;
up.swap_ts = simple_swap_ts;
up.reset_ts = simple_reset_ts;
uwsgi_log("Python main interpreter initialized at %p\n", up.main_thread);
return 1;
}
void uwsgi_python_reset_random_seed() {
#ifndef UWSGI_PYPY
PyObject *random_module, *random_dict, *random_seed;
// reinitialize the random seed (thanks Jonas Borgström)
random_module = PyImport_ImportModule("random");
if (random_module) {
random_dict = PyModule_GetDict(random_module);
if (random_dict) {
random_seed = PyDict_GetItemString(random_dict, "seed");
if (random_seed) {
PyObject *random_args = PyTuple_New(1);
// pass no args
PyTuple_SetItem(random_args, 0, Py_None);
PyEval_CallObject(random_seed, random_args);
if (PyErr_Occurred()) {
PyErr_Print();
}
}
}
}
#endif
}
void uwsgi_python_post_fork() {
#ifdef UWSGI_SPOOLER
if (uwsgi.shared->spooler_pid > 0) {
if (uwsgi.shared->spooler_pid == getpid()) {
UWSGI_GET_GIL
}
}
#endif
uwsgi_python_reset_random_seed();
#ifndef UWSGI_PYPY
#ifdef UWSGI_EMBEDDED
// call the post_fork_hook
PyObject *uwsgi_dict = get_uwsgi_pydict("uwsgi");
if (uwsgi_dict) {
PyObject *pfh = PyDict_GetItemString(uwsgi_dict, "post_fork_hook");
if (pfh) {
python_call(pfh, PyTuple_New(0), 0, NULL);
}
}
PyErr_Clear();
#endif
#endif
UWSGI_RELEASE_GIL
}
PyObject *uwsgi_pyimport_by_filename(char *name, char *filename) {
#ifndef UWSGI_PYPY
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);
fclose(pyfile);
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;
}
py_file_module = PyImport_ExecCodeModule(name, py_compiled_node);
if (!py_file_module) {
PyErr_Print();
return NULL;
}
Py_DECREF(py_compiled_node);
if (is_a_package) {
PyObject *py_file_module_dict = PyModule_GetDict(py_file_module);
if (py_file_module_dict) {
PyDict_SetItemString(py_file_module_dict, "__path__", Py_BuildValue("[O]", PyString_FromString(filename)));
}
free(real_filename);
}
return py_file_module;
#else
return NULL;
#endif
}
void init_uwsgi_vars() {
int i;
PyObject *pysys, *pysys_dict, *pypath;
PyObject *modules = PyImport_GetModuleDict();
PyObject *tmp_module;
/* add cwd to pythonpath */
pysys = PyImport_ImportModule("sys");
if (!pysys) {
PyErr_Print();
exit(1);
}
pysys_dict = PyModule_GetDict(pysys);
#ifdef PYTHREE
// fix stdout and stderr
PyObject *new_stdprint = PyFile_NewStdPrinter(2);
PyDict_SetItemString(pysys_dict, "stdout", new_stdprint);
PyDict_SetItemString(pysys_dict, "__stdout__", new_stdprint);
PyDict_SetItemString(pysys_dict, "stderr", new_stdprint);
PyDict_SetItemString(pysys_dict, "__stderr__", new_stdprint);
#endif
pypath = PyDict_GetItemString(pysys_dict, "path");
if (!pypath) {
PyErr_Print();
exit(1);
}
if (PyList_Insert(pypath, 0, UWSGI_PYFROMSTRING(".")) != 0) {
PyErr_Print();
}
struct uwsgi_string_list *uppp = up.python_path;
while(uppp) {
if (PyList_Insert(pypath, 0, UWSGI_PYFROMSTRING(uppp->value)) != 0) {
PyErr_Print();
}
else {
uwsgi_log("added %s to pythonpath.\n", uppp->value);
}
uppp = uppp->next;
}
for (i = 0; i < up.pymodule_alias_cnt; i++) {
// split key=value
char *value = strchr(up.pymodule_alias[i], '=');
if (!value) {
uwsgi_log("invalid pymodule-alias syntax\n");
continue;
}
value[0] = 0;
if (!strchr(value + 1, '/')) {
// this is a standard pymodule
tmp_module = PyImport_ImportModule(value + 1);
if (!tmp_module) {
PyErr_Print();
exit(1);
}
PyDict_SetItemString(modules, up.pymodule_alias[i], tmp_module);
}
else {
// this is a filepath that need to be mapped
tmp_module = uwsgi_pyimport_by_filename(up.pymodule_alias[i], value + 1);
if (!tmp_module) {
PyErr_Print();
exit(1);
}
}
uwsgi_log("mapped virtual pymodule \"%s\" to real pymodule \"%s\"\n", up.pymodule_alias[i], value + 1);
// reset original value
value[0] = '=';
}
}
#ifdef PYTHREE
static PyModuleDef uwsgi_module3 = {
PyModuleDef_HEAD_INIT,
"uwsgi",
NULL,
-1,
null_methods,
};
PyObject *init_uwsgi3(void) {
return PyModule_Create(&uwsgi_module3);
}
#endif
#ifdef UWSGI_EMBEDDED
void init_uwsgi_embedded_module() {
PyObject *new_uwsgi_module, *zero;
int i;
PyType_Ready(&uwsgi_InputType);
/* initialize for stats */
up.workers_tuple = PyTuple_New(uwsgi.numproc);
for (i = 0; i < uwsgi.numproc; i++) {
zero = PyDict_New();
Py_INCREF(zero);
PyTuple_SetItem(up.workers_tuple, i, zero);
}
#ifdef PYTHREE
PyImport_AppendInittab("uwsgi", init_uwsgi3);
new_uwsgi_module = PyImport_AddModule("uwsgi");
#else
new_uwsgi_module = Py_InitModule("uwsgi", null_methods);
#endif
if (new_uwsgi_module == NULL) {
uwsgi_log("could not initialize the uwsgi python module\n");
exit(1);
}
Py_INCREF((PyObject *) &uwsgi_InputType);
up.embedded_dict = PyModule_GetDict(new_uwsgi_module);
if (!up.embedded_dict) {
uwsgi_log("could not get uwsgi module __dict__\n");
exit(1);
}
// just for safety
Py_INCREF(up.embedded_dict);
if (PyDict_SetItemString(up.embedded_dict, "version", PyString_FromString(UWSGI_VERSION))) {
PyErr_Print();
exit(1);
}
PyObject *uwsgi_py_version_info = PyTuple_New(5);
PyTuple_SetItem(uwsgi_py_version_info, 0, PyInt_FromLong(UWSGI_VERSION_BASE));
PyTuple_SetItem(uwsgi_py_version_info, 1, PyInt_FromLong(UWSGI_VERSION_MAJOR));
PyTuple_SetItem(uwsgi_py_version_info, 2, PyInt_FromLong(UWSGI_VERSION_MINOR));
PyTuple_SetItem(uwsgi_py_version_info, 3, PyInt_FromLong(UWSGI_VERSION_REVISION));
PyTuple_SetItem(uwsgi_py_version_info, 4, PyString_FromString(UWSGI_VERSION_CUSTOM));
if (PyDict_SetItemString(up.embedded_dict, "version_info", uwsgi_py_version_info)) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "hostname", PyString_FromStringAndSize(uwsgi.hostname, uwsgi.hostname_len))) {
PyErr_Print();
exit(1);
}
if (uwsgi.mode) {
if (PyDict_SetItemString(up.embedded_dict, "mode", PyString_FromString(uwsgi.mode))) {
PyErr_Print();
exit(1);
}
}
if (uwsgi.pidfile) {
if (PyDict_SetItemString(up.embedded_dict, "pidfile", PyString_FromString(uwsgi.pidfile))) {
PyErr_Print();
exit(1);
}
}
if (PyDict_SetItemString(up.embedded_dict, "SPOOL_RETRY", PyInt_FromLong(-1))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "SPOOL_OK", PyInt_FromLong(-2))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "SPOOL_IGNORE", PyInt_FromLong(0))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "numproc", PyInt_FromLong(uwsgi.numproc))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "has_threads", PyInt_FromLong(uwsgi.has_threads))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "cores", PyInt_FromLong(uwsgi.cores))) {
PyErr_Print();
exit(1);
}
if (uwsgi.loop) {
if (PyDict_SetItemString(up.embedded_dict, "loop", PyString_FromString(uwsgi.loop))) {
PyErr_Print();
exit(1);
}
}
PyObject *py_opt_dict = PyDict_New();
for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
if (PyDict_Contains(py_opt_dict, PyString_FromString(uwsgi.exported_opts[i]->key))) {
PyObject *py_opt_item = PyDict_GetItemString(py_opt_dict, uwsgi.exported_opts[i]->key);
if (PyList_Check(py_opt_item)) {
if (uwsgi.exported_opts[i]->value == NULL) {
PyList_Append(py_opt_item, Py_True);
}
else {
PyList_Append(py_opt_item, PyString_FromString(uwsgi.exported_opts[i]->value));
}
}
else {
PyObject *py_opt_list = PyList_New(0);
PyList_Append(py_opt_list, py_opt_item);
if (uwsgi.exported_opts[i]->value == NULL) {
PyList_Append(py_opt_list, Py_True);
}
else {
PyList_Append(py_opt_list, PyString_FromString(uwsgi.exported_opts[i]->value));
}
PyDict_SetItemString(py_opt_dict, uwsgi.exported_opts[i]->key, py_opt_list);
}
}
else {
if (uwsgi.exported_opts[i]->value == NULL) {
PyDict_SetItemString(py_opt_dict, uwsgi.exported_opts[i]->key, Py_True);
}
else {
PyDict_SetItemString(py_opt_dict, uwsgi.exported_opts[i]->key, PyString_FromString(uwsgi.exported_opts[i]->value));
}
}
}
if (PyDict_SetItemString(up.embedded_dict, "opt", py_opt_dict)) {
PyErr_Print();
exit(1);
}
PyObject *py_magic_table = PyDict_New();
uint8_t mtk;
for (i = 0; i <= 0xff; i++) {
// a bit of magic :P
mtk = i;
if (uwsgi.magic_table[i]) {
if (uwsgi.magic_table[i][0] != 0) {
PyDict_SetItem(py_magic_table, PyString_FromStringAndSize((char *) &mtk, 1), PyString_FromString(uwsgi.magic_table[i]));
}
}
}
if (PyDict_SetItemString(up.embedded_dict, "magic_table", py_magic_table)) {
PyErr_Print();
exit(1);
}
#ifdef UNBIT
if (PyDict_SetItemString(up.embedded_dict, "unbit", Py_True)) {
#else
if (PyDict_SetItemString(up.embedded_dict, "unbit", Py_None)) {
#endif
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "buffer_size", PyInt_FromLong(uwsgi.buffer_size))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "started_on", PyInt_FromLong(uwsgi.start_tv.tv_sec))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "start_response", up.wsgi_spitout)) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "fastfuncs", PyList_New(256))) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "applications", Py_None)) {
PyErr_Print();
exit(1);
}
if (uwsgi.is_a_reload) {
if (PyDict_SetItemString(up.embedded_dict, "is_a_reload", Py_True)) {
PyErr_Print();
exit(1);
}
}
else {
if (PyDict_SetItemString(up.embedded_dict, "is_a_reload", Py_False)) {
PyErr_Print();
exit(1);
}
}
up.embedded_args = PyTuple_New(2);
if (!up.embedded_args) {
PyErr_Print();
exit(1);
}
if (PyDict_SetItemString(up.embedded_dict, "message_manager_marshal", Py_None)) {
PyErr_Print();
exit(1);
}
up.fastfuncslist = PyDict_GetItemString(up.embedded_dict, "fastfuncs");
if (!up.fastfuncslist) {
PyErr_Print();
exit(1);
}
init_uwsgi_module_advanced(new_uwsgi_module);
#ifdef UWSGI_SPOOLER
if (uwsgi.spool_dir != NULL) {
init_uwsgi_module_spooler(new_uwsgi_module);
}
#endif
if (uwsgi.sharedareasize > 0 && uwsgi.sharedarea) {
init_uwsgi_module_sharedarea(new_uwsgi_module);
}
if (uwsgi.cache_max_items > 0) {
init_uwsgi_module_cache(new_uwsgi_module);
}
if (uwsgi.queue_size > 0) {
init_uwsgi_module_queue(new_uwsgi_module);
}
#ifdef UWSGI_SNMP
if (uwsgi.snmp) {
init_uwsgi_module_snmp(new_uwsgi_module);
}
#endif
if (up.extension) {
up.extension();
}
}
#endif
int uwsgi_python_magic(char *mountpoint, char *lazy) {
char *qc = strchr(lazy, ':');
if (qc) {
qc[0] = 0;
up.callable = qc + 1;
}
if (!strcmp(lazy + strlen(lazy) - 3, ".py")) {
up.file_config = lazy;
return 1;
}
else if (!strcmp(lazy + strlen(lazy) - 5, ".wsgi")) {
up.file_config = lazy;
return 1;
}
else if (qc && strchr(lazy, '.')) {
up.wsgi_config = lazy;
return 1;
}
// reset lazy
if (qc) {
qc[0] = ':';
}
return 0;
}
int uwsgi_python_manage_options(int i, char *optarg) {
glob_t g;
int j;
switch (i) {
case 'w':
up.wsgi_config = optarg;
return 1;
case LONG_ARGS_WSGI_FILE:
case LONG_ARGS_FILE_CONFIG:
up.file_config = optarg;
return 1;
case LONG_ARGS_EVAL_CONFIG:
up.eval = optarg;
return 1;
case LONG_ARGS_PYMODULE_ALIAS:
if (up.pymodule_alias_cnt < MAX_PYMODULE_ALIAS) {
up.pymodule_alias[up.pymodule_alias_cnt] = optarg;
up.pymodule_alias_cnt++;
}
else {
uwsgi_log("you can specify at most %d --pymodule-alias options\n", MAX_PYMODULE_ALIAS);
}
return 1;
case LONG_ARGS_PYSHELL:
uwsgi.honour_stdin = 1;
up.pyshell = 1;
return 1;
case LONG_ARGS_PYIMPORT:
uwsgi_string_new_list(&up.import_list, optarg);
return 1;
case LONG_ARGS_SPOOLER_PYIMPORT:
uwsgi_string_new_list(&up.spooler_import_list, optarg);
return 1;
case LONG_ARGS_POST_PYMODULE_ALIAS:
uwsgi_string_new_list(&up.post_pymodule_alias, optarg);
return 1;
case LONG_ARGS_PYTHONPATH:
if (glob(optarg, GLOB_MARK, NULL, &g)) {
uwsgi_string_new_list(&up.python_path, optarg);
}
else {
for (j = 0; j < (int) g.gl_pathc; j++) {
uwsgi_string_new_list(&up.python_path, g.gl_pathv[j]);
}
}
return 1;
case LONG_ARGS_PYARGV:
up.argv = optarg;
return 1;
case 'J':
up.test_module = optarg;
return 1;
case 'H':
up.home = optarg;
return 1;
case 'O':
up.optimize = atoi(optarg);
return 1;
case LONG_ARGS_CALLABLE:
up.callable = optarg;
return 1;
#ifdef UWSGI_INI
case LONG_ARGS_INI_PASTE:
uwsgi_string_new_list(&uwsgi.ini,optarg);
if (optarg[0] != '/') {
up.paste = uwsgi_concat4("config:", uwsgi.cwd, "/", optarg);
}
else {
up.paste = uwsgi_concat2("config:", optarg);
}
return 1;
#endif
case LONG_ARGS_WEB3:
up.web3 = optarg;
return 1;
case LONG_ARGS_PUMP:
up.pump = optarg;
return 1;
case LONG_ARGS_WSGI_LITE:
up.wsgi_lite = optarg;
return 1;
case LONG_ARGS_PASTE:
up.paste = optarg;
return 1;
}
return 0;
}
int uwsgi_python_mount_app(char *mountpoint, char *app, int regexp) {
int id;
uwsgi.wsgi_req->appid = mountpoint;
uwsgi.wsgi_req->appid_len = strlen(mountpoint);
if (uwsgi.single_interpreter) {
id = init_uwsgi_app(LOADER_MOUNT, app, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
id = init_uwsgi_app(LOADER_MOUNT, app, uwsgi.wsgi_req, NULL, PYTHON_APP_TYPE_WSGI);
#ifdef UWSGI_PCRE
int i;
if (regexp && id != -1) {
struct uwsgi_app *ua = &uwsgi_apps[id];
uwsgi_regexp_build(mountpoint, &ua->pattern, &ua->pattern_extra);
if (uwsgi.mywid == 0) {
for(i=1;i<=uwsgi.numproc;i++) {
uwsgi.workers[i].apps[id].pattern = ua->pattern;
uwsgi.workers[i].apps[id].pattern_extra = ua->pattern_extra;
}
}
}
#endif
return id;
}
char *uwsgi_pythonize(char *orig) {
char *name = uwsgi_concat2(orig, "");
size_t i;
size_t len = 0;
if (!strncmp(name, "sym://", 6)) {
name+=6;
}
else if (!strncmp(name, "http://", 7)) {
name+=7;
}
else if (!strncmp(name, "data://", 7)) {
name+=7;
}
len = strlen(name);
for(i=0;i<len;i++) {
if (name[i] == '.') {
name[i] = '_';
}
else if (name[i] == '/') {
name[i] = '_';
}
}
if ((name[len-3] == '.' || name[len-3] == '_') && name[len-2] == 'p' && name[len-1] == 'y') {
name[len-3] = 0;
}
return name;
}
void uwsgi_python_spooler_init(void) {
struct uwsgi_string_list *upli = up.spooler_import_list;
UWSGI_GET_GIL
while(upli) {
if (strchr(upli->value, '/') || uwsgi_endswith(upli->value, ".py")) {
uwsgi_pyimport_by_filename(uwsgi_pythonize(upli->value), upli->value);
}
else {
if (PyImport_ImportModule(upli->value) == NULL) {
PyErr_Print();
}
}
upli = upli->next;
}
UWSGI_RELEASE_GIL
}
void uwsgi_python_init_apps() {
struct http_status_codes *http_sc;
if (uwsgi.async > 1) {
up.current_recursion_depth = uwsgi_malloc(sizeof(int)*uwsgi.async);
#ifndef UWSGI_PYPY
up.current_frame = uwsgi_malloc(sizeof(struct _frame)*uwsgi.async);
#endif
}
init_pyargv();
#ifndef UWSGI_PYPY
#ifdef UWSGI_EMBEDDED
init_uwsgi_embedded_module();
#endif
#endif
#ifdef __linux__
#if !defined(PYTHREE) && !defined(UWSGI_PYPY)
uwsgi_init_symbol_import();
#endif
#endif
if (up.test_module != NULL) {
if (PyImport_ImportModule(up.test_module)) {
exit(0);
}
exit(1);
}
init_uwsgi_vars();
// setup app loaders
#ifdef UWSGI_MINTERPRETERS
up.loaders[LOADER_DYN] = uwsgi_dyn_loader;
#endif
up.loaders[LOADER_UWSGI] = uwsgi_uwsgi_loader;
up.loaders[LOADER_FILE] = uwsgi_file_loader;
up.loaders[LOADER_PASTE] = uwsgi_paste_loader;
up.loaders[LOADER_EVAL] = uwsgi_eval_loader;
up.loaders[LOADER_MOUNT] = uwsgi_mount_loader;
up.loaders[LOADER_CALLABLE] = uwsgi_callable_loader;
up.loaders[LOADER_STRING_CALLABLE] = uwsgi_string_callable_loader;
struct uwsgi_string_list *upli = up.import_list;
while(upli) {
if (strchr(upli->value, '/') || uwsgi_endswith(upli->value, ".py")) {
uwsgi_pyimport_by_filename(uwsgi_pythonize(upli->value), upli->value);
}
else {
if (PyImport_ImportModule(upli->value) == NULL) {
PyErr_Print();
}
}
upli = upli->next;
}
struct uwsgi_string_list *uppa = up.post_pymodule_alias;
PyObject *modules = PyImport_GetModuleDict();
PyObject *tmp_module;
while(uppa) {
// split key=value
char *value = strchr(uppa->value, '=');
if (!value) {
uwsgi_log("invalid pymodule-alias syntax\n");
continue;
}
value[0] = 0;
if (!strchr(value + 1, '/')) {
// this is a standard pymodule
tmp_module = PyImport_ImportModule(value + 1);
if (!tmp_module) {
PyErr_Print();
exit(1);
}
PyDict_SetItemString(modules, uppa->value, tmp_module);
}
else {
// this is a filepath that need to be mapped
tmp_module = uwsgi_pyimport_by_filename(uppa->value, value + 1);
if (!tmp_module) {
PyErr_Print();
exit(1);
}
}
uwsgi_log("mapped virtual pymodule \"%s\" to real pymodule \"%s\"\n", uppa->value, value + 1);
// reset original value
value[0] = '=';
uppa = uppa->next;
}
if (up.wsgi_config != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.wsgi_config, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.file_config != NULL) {
init_uwsgi_app(LOADER_FILE, up.file_config, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.paste != NULL) {
init_uwsgi_app(LOADER_PASTE, up.paste, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.eval != NULL) {
init_uwsgi_app(LOADER_EVAL, up.eval, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.web3 != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.web3, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WEB3);
}
if (up.pump != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.pump, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_PUMP);
// filling http status codes
for (http_sc = hsc; http_sc->message != NULL; http_sc++) {
http_sc->message_size = (int) strlen(http_sc->message);
}
}
if (up.wsgi_lite != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.wsgi_lite, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI_LITE);
}
if (uwsgi.profiler) {
#ifndef UWSGI_PYPY
if (!strcmp(uwsgi.profiler, "pycall")) {
PyEval_SetProfile(uwsgi_python_profiler_call, NULL);
}
#endif
}
}
void uwsgi_python_master_fixup(int step) {
static int master_fixed = 0;
static int worker_fixed = 0;
if (!uwsgi.master_process) return;
if (uwsgi.has_threads) {
if (step == 0) {
if (!master_fixed) {
UWSGI_RELEASE_GIL;
master_fixed = 1;
}
}
else {
if (!worker_fixed) {
UWSGI_GET_GIL;
worker_fixed = 1;
}
}
}
}
void uwsgi_python_enable_threads() {
PyEval_InitThreads();
if (pthread_key_create(&up.upt_save_key, NULL)) {
uwsgi_error("pthread_key_create()");
exit(1);
}
if (pthread_key_create(&up.upt_gil_key, NULL)) {
uwsgi_error("pthread_key_create()");
exit(1);
}
pthread_setspecific(up.upt_save_key, (void *) PyThreadState_Get());
pthread_setspecific(up.upt_gil_key, (void *) PyThreadState_Get());
pthread_mutex_init(&up.lock_pyloaders, NULL);
pthread_atfork(uwsgi_python_pthread_prepare, uwsgi_python_pthread_parent, uwsgi_python_pthread_child);
up.gil_get = gil_real_get;
up.gil_release = gil_real_release;
if (uwsgi.threads > 1) {
up.swap_ts = threaded_swap_ts;
up.reset_ts = threaded_reset_ts;
}
uwsgi_log("threads support enabled\n");
}
void uwsgi_python_init_thread(int core_id) {
// set a new ThreadState for each thread
PyThreadState *pts;
pts = PyThreadState_New(up.main_thread->interp);
pthread_setspecific(up.upt_save_key, (void *) pts);
pthread_setspecific(up.upt_gil_key, (void *) pts);
#ifdef UWSGI_DEBUG
uwsgi_log("pts %d = %p\n", core_id, pts);
#endif
}
int uwsgi_python_xml(char *node, char *content) {
PyThreadState *interpreter = NULL;
if (uwsgi.single_interpreter) {
interpreter = up.main_thread;
}
if (!strcmp("script", node)) {
return init_uwsgi_app(LOADER_UWSGI, content, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
else if (!strcmp("file", node)) {
return init_uwsgi_app(LOADER_FILE, content, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
else if (!strcmp("eval", node)) {
return init_uwsgi_app(LOADER_EVAL, content, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
else if (!strcmp("wsgi", node)) {
return init_uwsgi_app(LOADER_EVAL, content, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
else if (!strcmp("module", node)) {
uwsgi.wsgi_req->module = content;
uwsgi.wsgi_req->module_len = strlen(content);
uwsgi.wsgi_req->callable = strchr(uwsgi.wsgi_req->module, ':');
if (uwsgi.wsgi_req->callable) {
uwsgi.wsgi_req->callable[0] = 0;
uwsgi.wsgi_req->callable++;
uwsgi.wsgi_req->callable_len = strlen(uwsgi.wsgi_req->callable);
uwsgi.wsgi_req->module_len = strlen(uwsgi.wsgi_req->module);
return init_uwsgi_app(LOADER_DYN, uwsgi.wsgi_req, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
else {
return init_uwsgi_app(LOADER_UWSGI, content, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
return 1;
}
else if (!strcmp("pyhome", node)) {
uwsgi.wsgi_req->pyhome = content;
uwsgi.wsgi_req->pyhome_len = strlen(content);
return 1;
}
else if (!strcmp("callable", node)) {
uwsgi.wsgi_req->callable = content;
uwsgi.wsgi_req->callable_len = strlen(content);
return init_uwsgi_app(LOADER_DYN, uwsgi.wsgi_req, uwsgi.wsgi_req, interpreter, PYTHON_APP_TYPE_WSGI);
}
return 0;
}
#ifndef UWSGI_PYPY
void uwsgi_python_suspend(struct wsgi_request *wsgi_req) {
PyThreadState *tstate = PyThreadState_GET();
if (wsgi_req) {
up.current_recursion_depth[wsgi_req->async_id] = tstate->recursion_depth;
up.current_frame[wsgi_req->async_id] = tstate->frame;
}
else {
up.current_main_recursion_depth = tstate->recursion_depth;
up.current_main_frame = tstate->frame;
}
}
#endif
char *uwsgi_python_code_string(char *id, char *code, char *function, char *key, uint16_t keylen) {
PyObject *cs_module = NULL;
PyObject *cs_dict = NULL;
UWSGI_GET_GIL;
cs_module = PyImport_ImportModule(id);
if (!cs_module) {
PyErr_Clear();
cs_module = uwsgi_pyimport_by_filename(id, code);
}
if (!cs_module) {
UWSGI_RELEASE_GIL;
return NULL;
}
cs_dict = PyModule_GetDict(cs_module);
if (!cs_dict) {
PyErr_Print();
UWSGI_RELEASE_GIL;
return NULL;
}
PyObject *func = PyDict_GetItemString(cs_dict, function);
if (!func) {
uwsgi_log("function %s not available in %s\n", function, code);
PyErr_Print();
UWSGI_RELEASE_GIL;
return NULL;
}
PyObject *args = PyTuple_New(1);
PyTuple_SetItem(args, 0, PyString_FromStringAndSize(key, keylen));
PyObject *ret = python_call(func, args, 0, NULL);
Py_DECREF(args);
if (ret && PyString_Check(ret)) {
char *val = PyString_AsString(ret);
UWSGI_RELEASE_GIL;
return val;
}
UWSGI_RELEASE_GIL;
return NULL;
}
int uwsgi_python_signal_handler(uint8_t sig, void *handler) {
UWSGI_GET_GIL;
PyObject *args = PyTuple_New(1);
PyObject *ret;
if (!args)
goto clear;
if (!handler) goto clear;
PyTuple_SetItem(args, 0, PyInt_FromLong(sig));
ret = python_call(handler, args, 0, NULL);
Py_DECREF(args);
if (ret) {
Py_DECREF(ret);
UWSGI_RELEASE_GIL;
return 0;
}
clear:
UWSGI_RELEASE_GIL;
return -1;
}
uint16_t uwsgi_python_rpc(void *func, uint8_t argc, char **argv, char *buffer) {
uint8_t i;
PyObject *pyargs = PyTuple_New(argc);
PyObject *ret;
char *rv;
size_t rl;
if (!pyargs)
return 0;
for (i = 0; i < argc; i++) {
PyTuple_SetItem(pyargs, i, PyString_FromString(argv[i]));
}
ret = python_call((PyObject *) func, pyargs, 0, NULL);
if (ret) {
if (PyString_Check(ret)) {
rv = PyString_AsString(ret);
rl = strlen(rv);
if (rl <= 0xffff) {
memcpy(buffer, rv, rl);
Py_DECREF(ret);
return rl;
}
}
}
if (PyErr_Occurred())
PyErr_Print();
return 0;
}
void uwsgi_python_add_item(char *key, uint16_t keylen, char *val, uint16_t vallen, void *data) {
PyObject *pydict = (PyObject *) data;
PyDict_SetItem(pydict, PyString_FromStringAndSize(key, keylen), PyString_FromStringAndSize(val, vallen));
}
int uwsgi_python_spooler(char *filename, char *buf, uint16_t len, char *body, size_t body_len) {
static int random_seed_reset = 0;
UWSGI_GET_GIL;
PyObject *spool_dict = PyDict_New();
PyObject *spool_func, *pyargs, *ret;
if (!random_seed_reset) {
uwsgi_python_reset_random_seed();
random_seed_reset = 1;
}
if (!up.embedded_dict) {
// ignore
UWSGI_RELEASE_GIL;
return 0;
}
spool_func = PyDict_GetItemString(up.embedded_dict, "spooler");
if (!spool_func) {
// ignore
UWSGI_RELEASE_GIL;
return 0;
}
if (uwsgi_hooked_parse(buf, len, uwsgi_python_add_item, spool_dict)) {
// malformed packet, destroy it
UWSGI_RELEASE_GIL;
return -2;
}
pyargs = PyTuple_New(1);
PyDict_SetItemString(spool_dict, "spooler_task_name", PyString_FromString(filename));
if (body && body_len > 0) {
PyDict_SetItemString(spool_dict, "body", PyString_FromStringAndSize(body, body_len));
}
PyTuple_SetItem(pyargs, 0, spool_dict);
ret = python_call(spool_func, pyargs, 0, NULL);
if (ret) {
if (!PyInt_Check(ret)) {
// error, retry
UWSGI_RELEASE_GIL;
return -1;
}
int retval = (int) PyInt_AsLong(ret);
UWSGI_RELEASE_GIL;
return retval;
}
if (PyErr_Occurred())
PyErr_Print();
// error, retry
UWSGI_RELEASE_GIL;
return -1;
}
#ifndef UWSGI_PYPY
void uwsgi_python_resume(struct wsgi_request *wsgi_req) {
PyThreadState *tstate = PyThreadState_GET();
if (wsgi_req) {
tstate->recursion_depth = up.current_recursion_depth[wsgi_req->async_id];
tstate->frame = up.current_frame[wsgi_req->async_id];
}
else {
tstate->recursion_depth = up.current_main_recursion_depth;
tstate->frame = up.current_main_frame;
}
}
#endif
void uwsgi_python_fixup() {
// set hacky modifier 30
uwsgi.p[30] = uwsgi_malloc( sizeof(struct uwsgi_plugin) );
memcpy(uwsgi.p[30], uwsgi.p[0], sizeof(struct uwsgi_plugin) );
uwsgi.p[30]->init_thread = NULL;
}
void uwsgi_python_hijack(void) {
// the pyshell will be execute only in the first worker
#ifndef UWSGI_PYPY
if (up.pyshell && uwsgi.mywid == 1) {
// re-map stdin to stdout and stderr if we are logging to a file
if (uwsgi.logfile) {
if (dup2(0, 1) < 0) {
uwsgi_error("dup2()");
}
if (dup2(0, 2) < 0) {
uwsgi_error("dup2()");
}
}
UWSGI_GET_GIL;
PyImport_ImportModule("readline");
PyRun_InteractiveLoop(stdin, "uwsgi");
exit(0);
}
#endif
}
int uwsgi_python_mule(char *opt) {
if (uwsgi_endswith(opt, ".py")) {
UWSGI_GET_GIL;
uwsgi_pyimport_by_filename("__main__", opt);
UWSGI_RELEASE_GIL;
return 1;
}
return 0;
}
struct uwsgi_plugin python_plugin = {
.name = "python",
.alias = "python",
.modifier1 = 0,
.init = uwsgi_python_init,
.post_fork = uwsgi_python_post_fork,
.options = uwsgi_python_options,
.manage_opt = uwsgi_python_manage_options,
.short_options = "w:O:H:J:",
.request = uwsgi_request_wsgi,
.after_request = uwsgi_after_request_wsgi,
.init_apps = uwsgi_python_init_apps,
.fixup = uwsgi_python_fixup,
.master_fixup = uwsgi_python_master_fixup,
.mount_app = uwsgi_python_mount_app,
.enable_threads = uwsgi_python_enable_threads,
.init_thread = uwsgi_python_init_thread,
.manage_xml = uwsgi_python_xml,
.magic = uwsgi_python_magic,
#ifndef UWSGI_PYPY
.suspend = uwsgi_python_suspend,
.resume = uwsgi_python_resume,
#endif
.hijack_worker = uwsgi_python_hijack,
.spooler_init = uwsgi_python_spooler_init,
.signal_handler = uwsgi_python_signal_handler,
.rpc = uwsgi_python_rpc,
.mule = uwsgi_python_mule,
.spooler = uwsgi_python_spooler,
.code_string = uwsgi_python_code_string,
.help = uwsgi_python_help,
};
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