quick dependency check script for administrator

control/sbin/test-dependencies.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# -----------------------------------------------------------------------------
+
+HELP_MESSAGE="This program (with no arguments) checks on basic prerequisites for running workspace-control, such as the libvirt Python bindings."
+if [ "X$1" == "X-h" ] || [ "X$1" == "X-help" ] || [ "X$1" == "X--help" ] || [ "X$1" == "Xhelp" ]; then
+    echo -e "$HELP_MESSAGE"
+    exit 1
+fi
+
+# -----------------------------------------------------------------------------
+
+NIMBUS_CONTROL_DIR_REL="`dirname $0`/.."
+NIMBUS_CONTROL_DIR=`cd $NIMBUS_CONTROL_DIR_REL; pwd`
+
+NIMBUS_CONTROL_PYLIB="$NIMBUS_CONTROL_DIR/lib/python"
+NIMBUS_CONTROL_PYSRC="$NIMBUS_CONTROL_DIR/src/python"
+PYTHONPATH="$NIMBUS_CONTROL_PYSRC:$NIMBUS_CONTROL_PYLIB:$PYTHONPATH"
+export PYTHONPATH
+
+/usr/bin/env python $NIMBUS_CONTROL_PYSRC/workspacecontrol/sbin/test-dependencies.py

control/src/python/workspacecontrol/sbin/test-dependencies.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+
+import sys
+
+ERR = "** PROBLEM: "
+
+problem_count = 0
+
+version = sys.version
+print "Python %s" % version.replace("\n", " | ")
+
+curr = sys.version_info
+required = (2,5)
+
+if curr[0] < required[0]:
+    print >>sys.stderr, "\n%sThe Python version looks too low, 2.5 is required." % ERR
+    problem_count += 1
+elif curr[1] < required[1]:
+    print >>sys.stderr, "\n%sThe Python version looks too low, 2.5 is required." % ERR
+    problem_count += 1
+
+try:
+    import zope.interface
+except ImportError:
+    print >>sys.stderr, "\n%sCannot locate the zope.interface package." % ERR
+    print >>sys.stderr, "\nThis should be included in the workspace-control lib/ directory.  That directory should be loaded as part of the program's PYTHONPATH."
+    problem_count += 1
+
+try:
+    import libvirt2
+except:
+    print >>sys.stderr, "\n%sCannot locate the libvirt Python bindings package." % ERR
+    print >>sys.stderr, "\nOn some Linux distributions, this is only included when you install libvirt\n when you have previously installed the 'python-dev' package."
+    print >>sys.stderr, "\nSee your distribution documentation."
+    problem_count += 1
+
+
+try:
+    from workspacecontrol.api.exceptions import *
+except:
+    print >>sys.stderr, "\n%sCannot locate the 'workspacecontrol' Python package." % ERR
+    print >>sys.stderr, "\nIf you installed this from the directions, please contact the mailing list.."
+    problem_count += 1
+
+if problem_count:
+    sys.exit(1)
+
+print "\nOK, looks like the Python dependencies are set up."