The Tab Police watches for possibly inconsistent indentation.
diff --git a/Tools/scripts/tabpolice.py b/Tools/scripts/tabpolice.py
new file mode 100755
index 0000000..9236b71
--- /dev/null
+++ b/Tools/scripts/tabpolice.py
@@ -0,0 +1,74 @@
+#! /usr/bin/env python
+
+"""The Tab Police watches for possibly inconsistent indentation."""
+
+import os
+import sys
+import getopt
+import string
+import tokenize
+
+verbose = 0
+
+def main():
+ global verbose
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], "v")
+ except getopt.error, msg:
+ print msg
+ for o, a in opts:
+ if o == '-v':
+ verbose = verbose + 1
+ for arg in args:
+ check(arg)
+
+def check(file):
+ if os.path.isdir(file) and not os.path.islink(file):
+ if verbose:
+ print "%s: listing directory" % `file`
+ names = os.listdir(file)
+ for name in names:
+ fullname = os.path.join(file, name)
+ if (os.path.isdir(fullname) and
+ not os.path.islink(fullname) or
+ os.path.normcase(name[-3:]) == ".py"):
+ check(fullname)
+ return
+
+ try:
+ f = open(file)
+ except IOError, msg:
+ print "%s: I/O Error: %s" % (`file`, str(msg))
+ return
+
+ if verbose > 1:
+ print "checking", `file`, "with tabsize 8..."
+ tokens = []
+ tokenize.tabsize = 8
+ try:
+ tokenize.tokenize(f.readline, tokens.append)
+ except tokenize.TokenError, msg:
+ print "%s: Token Error: %s" % (`file`, str(msg))
+
+ if verbose > 1:
+ print "checking", `file`, "with tabsize 4..."
+ f.seek(0)
+ alttokens = []
+ tokenize.tabsize = 4
+ try:
+ tokenize.tokenize(f.readline, alttokens.append)
+ except tokenize.TokenError, msg:
+ print "%s: Token Error: %s" % (`file`, str(msg))
+ f.close()
+
+ if tokens != alttokens:
+ if verbose:
+ print "%s: *** Trouble in tab city! ***" % `file`
+ else:
+ print file
+ else:
+ if verbose:
+ print "%s: Clean bill of health." % `file`
+
+if __name__ == '__main__':
+ main()