# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1444232549 -7200
# Node ID c64b593fa8535c1ab9d523516b38749fd9dddbbe
# Parent  138f021c2e50716fc8a960f479f9b7516a8edac4
Added module path auto-configuration and a usage help string.

diff -r 138f021c2e50 -r c64b593fa853 tools/make_freebusy.py
--- a/tools/make_freebusy.py	Wed Oct 07 17:40:11 2015 +0200
+++ b/tools/make_freebusy.py	Wed Oct 07 17:42:29 2015 +0200
@@ -21,6 +21,18 @@
 this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 
+from os.path import split
+import sys
+
+# Find the modules.
+
+try:
+    import imiptools
+except ImportError:
+    parent = split(split(__file__)[0])[0]
+    if split(parent)[1] == "imip-agent":
+        sys.path.append(parent)
+
 from codecs import getwriter
 from imiptools.client import Client
 from imiptools.data import get_window_end, Object
@@ -28,7 +40,6 @@
 from imiptools.period import insert_period
 from imiptools.profile import Preferences
 from imip_store import FileStore, FilePublisher
-import sys
 
 def make_freebusy(store, publisher, preferences, user, participant,
     store_and_publish, include_needs_action, reset_updated_list, verbose):
@@ -161,12 +172,14 @@
         user = participants[0]
     except IndexError:
         print >>sys.stderr, """\
+Usage: %s <user> [ <other user> ] <options>
+
 Need a user and an optional participant (if different from the user),
 along with the -s option if updating the store and the published details.
 Specify -n to include objects with PARTSTAT of NEEDS-ACTION.
 Specify -r to inspect all objects, not just those expected to provide details.
 Specify -v for additional messages on standard error.
-    """
+""" % split(sys.argv[0])[1]
         sys.exit(1)
 
     # Define any other participant of interest plus options.