From 8946a7a8caca50ae090700a568da6875c02f0ed1 Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <mpgritti@gmail.com>
Date: Mon, 29 Sep 2008 12:01:11 +0000
Subject: Reqork ubuntu/debian sysdeps checks.

---
(limited to 'scripts')

diff --git a/scripts/sysdeps.py b/scripts/sysdeps.py
index d321beb..10ca122 100644
--- a/scripts/sysdeps.py
+++ b/scripts/sysdeps.py
@@ -7,9 +7,7 @@ scripts_dir = os.path.dirname(__file__)
 base_dir = os.path.dirname(scripts_dir)
 
 def get_distribution():
-    name = None
-    version = None
-
+    # Fedora
     if os.path.exists('/etc/fedora-release'):
         name = 'fedora'
 
@@ -21,14 +19,24 @@ def get_distribution():
             version = 'rawhide'
         else:
             version = full_name.split(' ')[2]
-    elif os.path.exists('/etc/lsb-release'):
-        name = os.popen('lsb_release -is', 'r').read().strip().lower()
-        version = os.popen('lsb_release -rs', 'r').read().strip()
+
+        return name, version
+
+    # Debian and Ubuntu
+    try:
+        out, err = subprocess.call(['lsb_release', '-is']).communicate()
+        name = out.strip().lower()
+        out, err = subprocess.call(['lsb_release', '-is']).communicate()
+        version = out.strip()
 
         if name == 'debian' and version == 'testing':
             version = 'unstable'
 
-    return name, version
+        return name, version
+    except OSError:
+        pass
+
+    return None, None
 
 def check_package(package):
     name, version = get_distribution()
@@ -36,8 +44,9 @@ def check_package(package):
         ret = subprocess.call(['rpm', '--quiet', '-q', package])
         return ret == 0
     elif name in ['ubuntu', 'debian']:
-        status = os.popen("dpkg-query -f='${status}' -W %s" % package).read()
-        return status.find('install ok installed') != -1
+        cmd = ["dpkg-query", "-f='${status}'", "-W %s"]
+        stdout, stderr = subprocess.call(cmd).communicate()
+        return stdout.find('install ok installed') != -1
 
     return None
 
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