upgrade_dir.py: skip junk files like *.pyc

IPython/upgrade_dir.py

@@ -1,94 +1,95 b''
 #!/usr/bin/env python
 """ A script/util to upgrade all files in a directory
 
 This is rather conservative in its approach, only copying/overwriting
 new and unedited files.
 
 To be used by "upgrade" feature.
 """
 try:
     from IPython.Extensions.path import path
 except ImportError:
     try:
         from Extensions.path import path
     except ImportError:
         from path import path
 
 import md5,pickle
 
 def showdiff(old,new):
     import difflib
     d = difflib.Differ()
     lines = d.compare(old.lines(),new.lines())
     realdiff = False
     for l in lines:
         print l,
         if not realdiff and not l[0].isspace():
             realdiff = True
     return realdiff
 
 def upgrade_dir(srcdir, tgtdir):
     """ Copy over all files in srcdir to tgtdir w/ native line endings
 
     Creates .upgrade_report in tgtdir that stores md5sums of all files
     to notice changed files b/w upgrades.
     """
 
     def pr(s):
         print s
-
+    junk = ['.svn','ipythonrc*','*.pyc', '*~', '.hg']
+    
     def ignorable(p):
-        if p.lower().startswith('.svn') or p.startswith('ipythonrc'):
-            return True
+        for pat in junk:
+            if p.startswith(pat) or p.fnmatch(pat):
+                return True
         return False
 
-
     modded = []
     files = [path(srcdir).relpathto(p) for p in path(srcdir).walkfiles()]
     #print files
     rep = tgtdir / '.upgrade_report'
     try:
         rpt = pickle.load(rep.open())
     except:
         rpt = {}
 
     for f in files:
         if ignorable(f):
             continue
         src = srcdir / f
         tgt = tgtdir / f
         if not tgt.isfile():
             pr("Creating %s" % str(tgt))
 
             tgt.write_text(src.text())
             rpt[str(tgt)] = md5.new(tgt.text()).hexdigest()
         else:
             cont = tgt.text()
             sum = rpt.get(str(tgt), None)
             #print sum
             if sum and md5.new(cont).hexdigest() == sum:
-                pr("Unedited, installing new %s" % tgt)
+                pr("%s: Unedited, installing new version" % tgt)
                 tgt.write_text(src.text())
                 rpt[str(tgt)] = md5.new(tgt.text()).hexdigest()
             else:
                 pr(' == Modified, skipping %s, diffs below == ' % tgt)
                 #rpt[str(tgt)] = md5.new(tgt.bytes()).hexdigest()
                 real = showdiff(tgt,src)
                 pr('') # empty line
                 if not real:
-                    pr("(Ok, it wasn't that different at all, upgrading checksum)")
+                    pr("(Ok, it was identical, only upgrading checksum)")
                     rpt[str(tgt)] = md5.new(tgt.text()).hexdigest()
                 else:
                     modded.append(tgt)
 
         #print rpt
     pickle.dump(rpt, rep.open('w'))
     if modded:
         print "\n\nDelete the following files manually (and rerun %upgrade)\nif you need a full upgrade:"
         for m in modded:
             print m
 
 
 import sys
 if __name__ == "__main__":
     upgrade_dir(path(sys.argv[1]), path(sys.argv[2]))