[glib] Use optparse to parse gtester-report commandline options

[Matthias Clasen <matthiasc src gnome org>]

commit 8de6d03c4417a16cad2d089805f93da4b4160602
Author: Robert Collins <robertc robertcollins net>
Date:   Tue Jun 15 01:37:14 2010 -0400

    Use optparse to parse gtester-report commandline options
    
    See bug #611778.

 glib/gtester-report |   54 +++++++++++++++++++++-----------------------------
 1 files changed, 23 insertions(+), 31 deletions(-)
---
diff --git a/glib/gtester-report b/glib/gtester-report
index c2162aa..52b9dcb 100755
--- a/glib/gtester-report
+++ b/glib/gtester-report
@@ -17,6 +17,7 @@
 # License along with this library; if not, write to the
 # Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
+import optparse
 import sys, re, xml.dom.minidom
 pkginstall_configvars = {
   # PKGINSTALL_CONFIGVARS_IN24LINES@ # configvars are substituted upon script installation
@@ -331,40 +332,31 @@ class ReportWriter (TreeProcess):
     self.oprint ('</html>\n')
 
 # main program handling
-def parse_files_and_args ():
-  from sys import argv, stdin
-  files = []
-  arg_iter = sys.argv[1:].__iter__()
-  rest = len (sys.argv) - 1
-  for arg in arg_iter:
-    rest -= 1
-    if arg == '--help' or arg == '-h':
-      print_help ()
-      sys.exit (0)
-    elif arg == '--version' or arg == '-v':
-      print_help (False)
-      sys.exit (0)
-    else:
-      files = files + [ arg ]
-  return files
+def parse_opts():
+    """Parse program options.
+
+    :return: An options object and the program arguments.
+    """
+    parser = optparse.OptionParser()
+    parser.version =  pkginstall_configvars.get ('glib-version', '0.0-uninstalled')
+    parser.usage = "%prog [OPTIONS] <gtester-log.xml>"
+    parser.description = "Generate HTML reports from the XML log files generated by gtester."
+    parser.epilog = "gtester-report (GLib utils) version %s."% (parser.version,)
+    parser.add_option("-v", "--version", action="store_true", dest="version", default=False,
+        help="Show program version.")
+    options, files = parser.parse_args()
+    if options.version:
+        print parser.epilog
+        return None, None
+    if len(files) != 1:
+        parser.error("Must supply a log file to parse.")
+    return options, files
 
-def print_help (with_help = True):
-  import os
-  print "gtester-report (GLib utils) version", pkginstall_configvars.get ('glib-version', '0.0-uninstalled')
-  if not with_help:
-    return
-  print "Usage: %s [OPTIONS] <gtester-log.xml>" % os.path.basename (sys.argv[0])
-  print "Generate HTML reports from the XML log files generated by gtester."
-  print "Options:"
-  print "  --help, -h                print this help message"
-  print "  --version, -v             print version info"
 
 def main():
-  from sys import argv, stdin
-  files = parse_files_and_args()
-  if len (files) != 1:
-    print_help (True)
-    sys.exit (1)
+  options, files = parse_opts()
+  if options is None:
+    return 0
   xd = xml.dom.minidom.parse (files[0])
   rr = ReportReader()
   rr.trampoline (xd)