From ef69c002a69e5d7983554b68d41f26e06ad8fb7c Mon Sep 17 00:00:00 2001
From: Rémy Oudompheng <remy@archlinux.org>
Date: Sat, 5 Nov 2011 19:17:01 +0100
Subject: Use ctypes module to access alpm_pkg_vercmp() instead of the C
 module.
MIME-Version: 1.0
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Signed-off-by: Rémy Oudompheng <remy@archlinux.org>
---
 cron-jobs/check_archlinux/README            |   8 +-----
 cron-jobs/check_archlinux/alpm.c            |  40 ----------------------------
 cron-jobs/check_archlinux/alpm.so           | Bin 7057 -> 0 bytes
 cron-jobs/check_archlinux/check_packages.py |  17 ++++++++++--
 cron-jobs/check_archlinux/setup.py          |  10 -------
 5 files changed, 16 insertions(+), 59 deletions(-)
 delete mode 100644 cron-jobs/check_archlinux/alpm.c
 delete mode 100755 cron-jobs/check_archlinux/alpm.so
 delete mode 100644 cron-jobs/check_archlinux/setup.py

diff --git a/cron-jobs/check_archlinux/README b/cron-jobs/check_archlinux/README
index 8f178dc..03bb0e0 100644
--- a/cron-jobs/check_archlinux/README
+++ b/cron-jobs/check_archlinux/README
@@ -1,8 +1,2 @@
-1) Build the python module
-$ python2 setup.py build
-
-2) copy it back to the current working directory
-$ cp build/lib.*/alpm.* .
-
-3) run the script
+1) run the script
 $ ./check_packages.py -h
diff --git a/cron-jobs/check_archlinux/alpm.c b/cron-jobs/check_archlinux/alpm.c
deleted file mode 100644
index 0b7cd2c..0000000
--- a/cron-jobs/check_archlinux/alpm.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include <Python.h>
-#include <alpm.h>
-
-static PyObject *
-alpm_vercmp(PyObject *self, PyObject *args)
-{
-	const char *v1, *v2;
-	int ret;
-
-	if (!PyArg_ParseTuple(args, "ss", &v1, &v2))
-		return NULL;
-	ret = alpm_pkg_vercmp(v1, v2);
-	return Py_BuildValue("i", ret);
-}
-
-static PyMethodDef AlpmMethods[] = {
-	{"vercmp",  alpm_vercmp, METH_VARARGS,
-		"Execute vercmp."},
-	{NULL, NULL, 0, NULL}        /* Sentinel */
-};
-
-PyMODINIT_FUNC
-initalpm(void)
-{
-	(void) Py_InitModule("alpm", AlpmMethods);
-}
-
-int
-main(int argc, char *argv[])
-{
-	/* Pass argv[0] to the Python interpreter */
-	Py_SetProgramName(argv[0]);
-
-	/* Initialize the Python interpreter.  Required. */
-	Py_Initialize();
-
-	/* Add a static module */
-	initalpm();
-	return 0;
-}
diff --git a/cron-jobs/check_archlinux/alpm.so b/cron-jobs/check_archlinux/alpm.so
deleted file mode 100755
index 8944bbe..0000000
Binary files a/cron-jobs/check_archlinux/alpm.so and /dev/null differ
diff --git a/cron-jobs/check_archlinux/check_packages.py b/cron-jobs/check_archlinux/check_packages.py
index 0a2b10e..06589ca 100755
--- a/cron-jobs/check_archlinux/check_packages.py
+++ b/cron-jobs/check_archlinux/check_packages.py
@@ -16,9 +16,12 @@
 #      a non-core package)
 #   8. Circular dependencies
 
-import os,re,commands,getopt,sys,tarfile,alpm
+import os,re,commands,getopt,sys,tarfile
 import pdb
 
+import ctypes
+_alpm = ctypes.cdll.LoadLibrary("libalpm.so")
+
 DBEXT='.db.tar.gz'
 
 packages = {} # pkgname : PacmanPackage
@@ -143,7 +146,17 @@ def splitprov(prov):
 	return (name,version)
 
 def vercmp(v1,mod,v2):
-	res = alpm.vercmp(v1,v2)
+	"""
+	>>> vercmp("1.0", "<=", "2.0")
+	True
+	>>> vercmp("1:1.0", ">", "2.0")
+	True
+	>>> vercmp("1.0.2", ">=", "2.1.0")
+	False
+	"""
+	s1 = ctypes.c_char_p(v1)
+	s2 = ctypes.c_char_p(v2)
+	res = _alpm.alpm_pkg_vercmp(s1,s2)
 	if res == 0:
 		return (mod.find("=") > -1)
 	elif res < 0:
diff --git a/cron-jobs/check_archlinux/setup.py b/cron-jobs/check_archlinux/setup.py
deleted file mode 100644
index b172752..0000000
--- a/cron-jobs/check_archlinux/setup.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from distutils.core import setup, Extension
-
-alpm = Extension('alpm',
-		libraries = ['alpm'],
-		sources = ['alpm.c'])
-
-setup (name = 'Alpm',
-		version = '1.0',
-		description = 'Alpm bindings',
-		ext_modules = [alpm])
-- 
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