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add Python ptql re op impl

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This commit is contained in:
Doug MacEachern 2011-06-15 13:55:59 -07:00
parent 1f15289d75
commit 2f8090559e
2 changed files with 44 additions and 2 deletions
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40
bindings/python/_sigar.c
View File

@ -69,6 +69,42 @@ static void pysigar_free(PyObject *self)
self->ob_type->tp_free((PyObject *)self);
}
static int pysigar_ptql_re_impl(void *data,
char *haystack, char *needle)
{
PyObject *name = PyString_FromString("sigar");
PyObject *module = PyImport_Import(name);
PyObject *match, *args, *source, *regex, *result;
int matches = 0;
match = PyObject_GetAttrString(module, "string_matches");
source = PyString_FromString(haystack);
regex = PyString_FromString(needle);
args = PyTuple_New(2);
PyTuple_SetItem(args, 0, source); /* steals source reference */
PyTuple_SetItem(args, 1, regex); /* steals regex reference */
result = PyObject_CallObject(match, args);
Py_DECREF(name);
Py_DECREF(module);
Py_DECREF(args);
Py_DECREF(match);
if (result == NULL) {
if (PyErr_Occurred()) {
PyErr_Print();
}
}
else {
matches = (result == Py_True);
Py_DECREF(result);
}
return matches;
}
#define sigar_isdigit(c) \
(isdigit(((unsigned char)(c))))
@ -103,9 +139,9 @@ static int pysigar_parse_pid(sigar_t *sigar, PyObject *args, long *pid)
status = sigar_ptql_query_create(&query, ptql, &error);
if (status == SIGAR_OK) {
/*sigar_ptql_re_impl_set(sigar, NULL, pysigar_ptql_re_impl);*/
sigar_ptql_re_impl_set(sigar, NULL, pysigar_ptql_re_impl);
status = sigar_ptql_query_find_process(sigar, query, (sigar_pid_t *)pid);
/*sigar_ptql_re_impl_set(sigar, NULL, NULL);*/
sigar_ptql_re_impl_set(sigar, NULL, NULL);
sigar_ptql_query_destroy(query);
if (status == SIGAR_OK) {

6
bindings/python/sigar.py
View File

@ -1,5 +1,6 @@
#
# Copyright (c) 2007 Hyperic, Inc.
# Copyright (c) 2011 VMware, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -15,3 +16,8 @@
#
from _sigar import *
import re
#wrapper for pysigar_ptql_re_impl
def string_matches(source, regex):
return re.compile(regex).match(source) != None