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authorGuido van Rossum <guido@python.org>1999-01-25 23:20:23 (GMT)
committerGuido van Rossum <guido@python.org>1999-01-25 23:20:23 (GMT)
commita106568eed3364c8c69eec7edb5b18c08ebb55d4 (patch)
treea221d1debe4b40118b575d9f4e9ccacb798c91bf /Modules
parent54ec2884b8f198ae55ed58248f11dce6e38a009f (diff)
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Add spawnv and spawnve functions for Win32 platforms.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/posixmodule.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 2f7ca54..8ac5d96 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -105,6 +105,7 @@ corresponding Unix manual entries for more information on calls.";
#ifdef _MSC_VER /* Microsoft compiler */
#define HAVE_GETCWD 1
#ifdef MS_WIN32
+#define HAVE_SPAWNV 1
#define HAVE_EXECV 1
#define HAVE_PIPE 1
#define HAVE_POPEN 1
@@ -1392,6 +1393,179 @@ posix_execve(self, args)
#endif /* HAVE_EXECV */
+#ifdef HAVE_SPAWNV
+static char posix_spawnv__doc__[] =
+"spawnv(path, args)\n\
+Execute an executable path with arguments, replacing current process.\n\
+\n\
+ path: path of executable file\n\
+ args: tuple or list of strings";
+
+static PyObject *
+posix_spawnv(self, args)
+ PyObject *self;
+ PyObject *args;
+{
+ char *path;
+ PyObject *argv;
+ char **argvlist;
+ int mode, i, argc;
+ PyObject *(*getitem) Py_PROTO((PyObject *, int));
+
+ /* spawnv has three arguments: (mode, path, argv), where
+ argv is a list or tuple of strings. */
+
+ if (!PyArg_Parse(args, "(isO)", &mode, &path, &argv))
+ return NULL;
+ if (PyList_Check(argv)) {
+ argc = PyList_Size(argv);
+ getitem = PyList_GetItem;
+ }
+ else if (PyTuple_Check(argv)) {
+ argc = PyTuple_Size(argv);
+ getitem = PyTuple_GetItem;
+ }
+ else {
+ badarg:
+ PyErr_BadArgument();
+ return NULL;
+ }
+
+ argvlist = PyMem_NEW(char *, argc+1);
+ if (argvlist == NULL)
+ return NULL;
+ for (i = 0; i < argc; i++) {
+ if (!PyArg_Parse((*getitem)(argv, i), "s", &argvlist[i])) {
+ PyMem_DEL(argvlist);
+ goto badarg;
+ }
+ }
+ argvlist[argc] = NULL;
+
+ i = _spawnv(mode, path, argvlist);
+
+ PyMem_DEL(argvlist);
+
+ if (i == -1)
+ return posix_error();
+ else
+ return Py_BuildValue("i", i);
+}
+
+
+static char posix_spawnve__doc__[] =
+"spawnve(path, args, env)\n\
+Execute a path with arguments and environment, replacing current process.\n\
+\n\
+ path: path of executable file\n\
+ args: tuple or list of arguments\n\
+ env: dictonary of strings mapping to strings";
+
+static PyObject *
+posix_spawnve(self, args)
+ PyObject *self;
+ PyObject *args;
+{
+ char *path;
+ PyObject *argv, *env;
+ char **argvlist;
+ char **envlist;
+ PyObject *key, *val, *keys=NULL, *vals=NULL, *res=NULL;
+ int mode, i, pos, argc, envc;
+ PyObject *(*getitem) Py_PROTO((PyObject *, int));
+
+ /* spawnve has four arguments: (mode, path, argv, env), where
+ argv is a list or tuple of strings and env is a dictionary
+ like posix.environ. */
+
+ if (!PyArg_Parse(args, "(isOO)", &mode, &path, &argv, &env))
+ return NULL;
+ if (PyList_Check(argv)) {
+ argc = PyList_Size(argv);
+ getitem = PyList_GetItem;
+ }
+ else if (PyTuple_Check(argv)) {
+ argc = PyTuple_Size(argv);
+ getitem = PyTuple_GetItem;
+ }
+ else {
+ PyErr_SetString(PyExc_TypeError, "argv must be tuple or list");
+ return NULL;
+ }
+ if (!PyMapping_Check(env)) {
+ PyErr_SetString(PyExc_TypeError, "env must be mapping object");
+ return NULL;
+ }
+
+ argvlist = PyMem_NEW(char *, argc+1);
+ if (argvlist == NULL) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ for (i = 0; i < argc; i++) {
+ if (!PyArg_Parse((*getitem)(argv, i),
+ "s;argv must be list of strings",
+ &argvlist[i]))
+ {
+ goto fail_1;
+ }
+ }
+ argvlist[argc] = NULL;
+
+ i = PyMapping_Length(env);
+ envlist = PyMem_NEW(char *, i + 1);
+ if (envlist == NULL) {
+ PyErr_NoMemory();
+ goto fail_1;
+ }
+ envc = 0;
+ keys = PyMapping_Keys(env);
+ vals = PyMapping_Values(env);
+ if (!keys || !vals)
+ goto fail_2;
+
+ for (pos = 0; pos < i; pos++) {
+ char *p, *k, *v;
+
+ key = PyList_GetItem(keys, pos);
+ val = PyList_GetItem(vals, pos);
+ if (!key || !val)
+ goto fail_2;
+
+ if (!PyArg_Parse(key, "s;non-string key in env", &k) ||
+ !PyArg_Parse(val, "s;non-string value in env", &v))
+ {
+ goto fail_2;
+ }
+ p = PyMem_NEW(char, PyString_Size(key)+PyString_Size(val) + 2);
+ if (p == NULL) {
+ PyErr_NoMemory();
+ goto fail_2;
+ }
+ sprintf(p, "%s=%s", k, v);
+ envlist[envc++] = p;
+ }
+ envlist[envc] = 0;
+
+ i = _spawnve(mode, path, argvlist, envlist);
+ if (i == -1)
+ (void) posix_error();
+ else
+ res = Py_BuildValue("i", i);
+
+ fail_2:
+ while (--envc >= 0)
+ PyMem_DEL(envlist[envc]);
+ PyMem_DEL(envlist);
+ fail_1:
+ PyMem_DEL(argvlist);
+ Py_XDECREF(vals);
+ Py_XDECREF(keys);
+ return res;
+}
+#endif /* HAVE_SPAWNV */
+
+
#ifdef HAVE_FORK
static char posix_fork__doc__[] =
"fork() -> pid\n\
@@ -2922,6 +3096,10 @@ static PyMethodDef posix_methods[] = {
{"execv", posix_execv, 0, posix_execv__doc__},
{"execve", posix_execve, 0, posix_execve__doc__},
#endif /* HAVE_EXECV */
+#ifdef HAVE_SPAWNV
+ {"spawnv", posix_spawnv, 0, posix_spawnv__doc__},
+ {"spawnve", posix_spawnve, 0, posix_spawnve__doc__},
+#endif /* HAVE_SPAWNV */
#ifdef HAVE_FORK
{"fork", posix_fork, 0, posix_fork__doc__},
#endif /* HAVE_FORK */