make the script to start ant from python use the new launcher

Submitted by: Knut Wannheden (knut dot wannheden at paranor dot ch)


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275131 13f79535-47bb-0310-9956-ffa450edef68

src/script/runant.py

@@ -3,10 +3,10 @@
 
  runant.py
 
-	This script is a translation of the runant.pl written by Steve Loughran.
-	It runs ant with/out arguments, it should be quite portable (thanks to
-	the python os library)
-	This script has been tested with Python2.0/Win2K
+    This script is a translation of the runant.pl written by Steve Loughran.
+    It runs ant with/out arguments, it should be quite portable (thanks to
+    the python os library)
+    This script has been tested with Python2.0/Win2K
 
         Copyright (c) 2001 The Apache Software Foundation.  All rights
         reserved.
@@ -28,72 +28,52 @@ debug = 0
 #
 # check to make sure environment is setup
 #
-if not os.environ.has_key('ANT_HOME'):
-	print '\n\nANT_HOME *MUST* be set!\n\n'
-	sys.exit(1)
+if os.environ.has_key('ANT_HOME'):
+    ANT_HOME = os.environ['ANT_HOME']
 else:
-	ANT_HOME = os.environ['ANT_HOME']
+    ANT_HOME = os.path.dirname(os.path.dirname(os.path.abspath(sys.argv[0])))
+
+# Add jar files
+ANT_LIB = os.path.join(ANT_HOME, 'lib')
 
 if not os.environ.has_key('JAVACMD'):
-	JAVACMD = 'java'
+    JAVACMD = 'java'
 else:
-	JAVACMD = os.environ['JAVACMD']
-
-# Sets the separator char for CLASSPATH
-SEPARATOR = ':'
-if os.name == 'dos' or os.name == 'nt':
-	SEPARATOR = ';'
+    JAVACMD = os.environ['JAVACMD']
 
 # Build up standard classpath
 localpath = ''
 if os.environ.has_key('CLASSPATH'):
-	localpath = os.environ['CLASSPATH']
+    localpath = os.environ['CLASSPATH']
 else:
-	if debug:
-		print 'Warning: no initial classpath\n'
-
-# Add jar files
-LIBDIR = os.path.join(ANT_HOME, 'lib')
-jarfiles = []
-for file in os.listdir(LIBDIR):
-	if file[-4:] == '.jar':
-		jarfiles.append(os.path.join(LIBDIR,file))
-if debug:
-	print 'Jar files:'
-	for jar in jarfiles:
-		print jar
-localpath = localpath + SEPARATOR + string.join(jarfiles, SEPARATOR)
-
-# If JAVA_HOME is defined, look for tools.jar & classes.zip
-# and add to classpath
-if os.environ.has_key('JAVA_HOME') and os.environ['JAVA_HOME'] != '':
-	JAVA_HOME = os.environ['JAVA_HOME']
-	TOOLS = os.path.join(JAVA_HOME, os.path.join('lib', 'tools.jar'))
-	if os.path.exists(TOOLS):
-		localpath = localpath + SEPARATOR + TOOLS
-	CLASSES = os.path.join(JAVA_HOME, os.path.join('lib', 'classes.zip'))
-	if os.path.exists(CLASSES):
-		localpath = localpath + SEPARATOR + CLASSES
+    if debug:
+        print 'Warning: no initial classpath\n'
+
+launcher_jar = os.path.join(ANT_LIB, 'ant-launcher.jar')
+if not os.path.exists(launcher_jar):
+    print 'Unable to locate ant-launcher.jar. Expected to find it in %s' % \
+        ANT_LIB
+if localpath:
+    localpath = launcher_jar + os.pathsep + localpath
 else:
-	print '\n\nWarning: JAVA_HOME environment variable is not set.\n', \
-		'If the build fails because sun.* classes could not be found\n', \
-		'you will need to set the JAVA_HOME environment variable\n', \
-		'to the installation directory of java\n'
+    localpath = launcher_jar
 
-# Jikes
 ANT_OPTS = []
 if os.environ.has_key('ANT_OPTS'):
-	ANT_OPTS = string.split(os.environ['ANT_OPTS'])
+    ANT_OPTS = string.split(os.environ['ANT_OPTS'])
+
+OPTS = []
 if os.environ.has_key('JIKESPATH'):
-	ANT_OPTS.append('-Djikes.class.path=' + os.environ['JIKESPATH'])
+    OPTS.append('-Djikes.class.path=' + os.environ['JIKESPATH'])
 
 # Builds the commandline
-cmdline = '%s -classpath %s -Dant.home=%s %s org.apache.tools.ant.Main %s' \
-	 % (JAVACMD, localpath, ANT_HOME, string.join(ANT_OPTS,' '), \
-	 	string.join(sys.argv[1:], ' '))
+cmdline = ('%s %s -classpath %s -Dant.home=\"%s\" %s ' + \
+    'org.apache.tools.ant.launch.Launcher %s') \
+     % (JAVACMD, string.join(ANT_OPTS,' '), localpath, ANT_HOME, \
+        string.join(OPTS,' '), string.join(sys.argv[1:], ' '))
 
 if debug:
-	print '\n%s\n\n' % (cmdline)
+    print '\n%s\n\n' % (cmdline)
 
 # Run the biniou!
 os.system(cmdline)