Sketch of not remaking html files

scripts/build/www_post.py

 #!@PYTHON@
 
 ## This is www_post.py. This script is the main stage
 ## of toplevel GNUmakefile local-WWW-post target.
 
 # USAGE: www_post PACKAGE_NAME TOPLEVEL_VERSION OUTDIR TARGETS
 # please call me from top of the source directory
 
 import sys
 import os
@@ skipping 52 matching lines @@
 while outdir in dirs:
     dirs.remove (outdir)
 dirs = list (set (dirs))
 dirs.sort ()
 
 strip_file_name = {}
 strip_re = re.compile (outdir + '/')
 for t in targets:
     out_root = target_pattern % t
     strip_file_name[t] = lambda s: os.path.join (target_pattern % t, (strip_re.sub ('', s)))
-    os.mkdir (out_root)
-    map (os.mkdir, [os.path.join (out_root, d) for d in dirs])
+    if not os.path.exists(out_root):
+        os.mkdir (out_root)
+    for d in dirs:
+        new_dir = os.path.join (out_root, d)
+        if not os.path.exists(new_dir):
+            os.mkdir (new_dir)
     for f in hardlinked_files:
-        os.link (f, strip_file_name[t] (f))
+       try:
+           os.link (f, strip_file_name[t] (f))
+       except Exception:
+           sys.exc_clear()

[Julien Rioux, 2012/01/10 13:34:23]

Why do you catch this exception? Would it not be sufficient to test for the
existence of the destination file?

     for l in symlinks:
         p = mirrortree.new_link_path (os.path.normpath (os.readlink (l)), os.path.dirname (l), strip_re)
         dest = strip_file_name[t] (l)
         if not os.path.exists (dest):
             os.symlink (p, dest)
 
 
 # need this for content negotiation with documentation index
 if 'online' in targets:
     f = open (os.path.join (target_pattern % 'online', 'Documentation/.htaccess'), 'w')
     f.write ('#.htaccess\nDirectoryIndex index\n')
     f.close ()
 
 postprocess_html.build_pages_dict (html_files)
 for t in targets:
     sys.stderr.write ("Processing HTML pages for %s target...\n" % t)
     postprocess_html.process_html_files (
         package_name = package_name,
         package_version = package_version,
         target = t,
         name_filter = strip_file_name[t])