create symlinks in man using symlinkBuilder

SConstruct

@@ -14,9 +14,11 @@ env = Environment(CPPPATH='#/include', LIBPATH=['/usr/lib','/usr/local/lib'])
 
 # Import GZip builder
 import gzipBuilder
-env.Append(BUILDERS = {'GZip' : Builder(action=gzipBuilder.GZip)})
-
-#import environment
+# Import Symlink builder
+import symlinkBuilder
+env.Append(BUILDERS = {'GZip'  : Builder(action=gzipBuilder.GZip),
+                       'Symlink': Builder(action=symlinkBuilder.Symlink)})
+# Import environment
 from importer import importEnvironment,importVariable
 importEnvironment(env,'HOME')
 importVariable(env,'CC')

man/SConscript

@@ -36,14 +36,7 @@ for page in MAN7:
 # install symlinks for man pages
 if 'install' in COMMAND_LINE_TARGETS:
     for pair in SYMLINKS:
-	try:
-	    unlink(MANDIR+'/man1/'+pair[1]+'.1.gz')
-	except OSError:
-	    pass
-	try:
-	    symlink(MANDIR+'/man1/'+pair[0]+'.1.gz', MANDIR+'/man1/'+pair[1]+'.1.gz')
-	except OSError:
-	    pass
+	env.Symlink(MANDIR+'/man1/'+pair[1]+'.1.gz',MANDIR+'/man1/'+pair[0]+'.1.gz')
 
 env.Alias("install",MANDIR)
 

site_scons/symlinkBuilder.py

@@ -0,0 +1,32 @@
+#
+# Symlink SCons builder
+#
+# Version 1.0
+# 02-Aug-2009
+#
+
+def Symlink(target, source, env=None):
+   """Create symlink target pointing to source.
+   
+   This builder creates symlinks named target pointing to source.
+   Target is removed if exists.
+
+   Keyword arguments:
+   target -- list of symlink targets
+   source -- list of files to be compressed
+   env -- SCons environment (not used)
+   """
+   import os
+   if not isinstance(target, list):
+       raise TypeError,"target must be list"
+   elif not isinstance(source, list):
+       raise TypeError,"source must be list"
+   if len(target) != len(source):
+       raise ValueError,"target and source list must have same size"    
+   for i in range(0,len(target)):
+       try:
+          os.unlink(str(target[i]))
+       except OSError:
+          pass   
+       os.symlink(str(source[i]),str(target[i]))
+   return None