Run this demo script through reindent.py; output has been verified to remain the same

Demo/md5test/md5driver.py

 import string
 
 def MDPrint(str):
-	outstr = ''
-	for i in str:
-		o = ord(i)
-		outstr = outstr \
-			  + string.hexdigits[(o >> 4) & 0xF] \
-			  + string.hexdigits[o & 0xF]
-	print outstr,
-	
+    outstr = ''
+    for i in str:
+        o = ord(i)
+        outstr = outstr \
+                  + string.hexdigits[(o >> 4) & 0xF] \
+                  + string.hexdigits[o & 0xF]
+    print outstr,
+
 
 from time import time
 
 def makestr(start, end):
-	result = ''
-	for i in range(start, end + 1):
-		result = result + chr(i)
+    result = ''
+    for i in range(start, end + 1):
+        result = result + chr(i)
+
+    return result
 
-	return result
-	
 
 from md5 import md5
 
 def MDTimeTrial():
-	TEST_BLOCK_SIZE = 1000
-	TEST_BLOCKS = 10000
+    TEST_BLOCK_SIZE = 1000
+    TEST_BLOCKS = 10000
+
+    TEST_BYTES = TEST_BLOCK_SIZE * TEST_BLOCKS
 
-	TEST_BYTES = TEST_BLOCK_SIZE * TEST_BLOCKS
+    # initialize test data, need temporary string filler
 
-	# initialize test data, need temporary string filler
-	
-	filsiz = 1 << 8
-	filler = makestr(0, filsiz-1)
-	data = filler * (TEST_BLOCK_SIZE / filsiz);
-	data = data + filler[:(TEST_BLOCK_SIZE % filsiz)]
+    filsiz = 1 << 8
+    filler = makestr(0, filsiz-1)
+    data = filler * (TEST_BLOCK_SIZE / filsiz);
+    data = data + filler[:(TEST_BLOCK_SIZE % filsiz)]
 
-	del filsiz, filler
+    del filsiz, filler
 
 
-	# start timer
-	print 'MD5 time trial. Processing', TEST_BYTES, 'characters...'
-	t1 = time()
+    # start timer
+    print 'MD5 time trial. Processing', TEST_BYTES, 'characters...'
+    t1 = time()
 
-	mdContext = md5()
+    mdContext = md5()
 
-	for i in range(TEST_BLOCKS):
-		mdContext.update(data)
+    for i in range(TEST_BLOCKS):
+        mdContext.update(data)
 
-	str = mdContext.digest()
-	t2 = time()
+    str = mdContext.digest()
+    t2 = time()
 
-	MDPrint(str)
-	print 'is digest of test input.'
-	print 'Seconds to process test input:', t2 - t1
-	print 'Characters processed per second:', TEST_BYTES / (t2 - t1)
+    MDPrint(str)
+    print 'is digest of test input.'
+    print 'Seconds to process test input:', t2 - t1
+    print 'Characters processed per second:', TEST_BYTES / (t2 - t1)
 
 
 def MDString(str):
-	MDPrint(md5(str).digest())
-	print '"' + str + '"'
+    MDPrint(md5(str).digest())
+    print '"' + str + '"'
 
 
 def MDFile(filename):
-	f = open(filename, 'rb');
-	mdContext = md5()
+    f = open(filename, 'rb');
+    mdContext = md5()
 
-	while 1:
-		data = f.read(1024)
-		if not data:
-			break
-		mdContext.update(data)
+    while 1:
+        data = f.read(1024)
+        if not data:
+            break
+        mdContext.update(data)
 
-	MDPrint(mdContext.digest())
-	print filename
+    MDPrint(mdContext.digest())
+    print filename
 
 
 import sys
 
 def MDFilter():
-	mdContext = md5()
+    mdContext = md5()
 
-	while 1:
-		data = sys.stdin.read(16)
-		if not data:
-			break
-		mdContext.update(data)
+    while 1:
+        data = sys.stdin.read(16)
+        if not data:
+            break
+        mdContext.update(data)
 
-	MDPrint(mdContext.digest())
-	print
+    MDPrint(mdContext.digest())
+    print
 
 
 def MDTestSuite():
-	print 'MD5 test suite results:'
-	MDString('')
-	MDString('a')
-	MDString('abc')
-	MDString('message digest')
-	MDString(makestr(ord('a'), ord('z')))
-	MDString(makestr(ord('A'), ord('Z')) \
-		  + makestr(ord('a'), ord('z')) \
-		  + makestr(ord('0'), ord('9')))
-	MDString((makestr(ord('1'), ord('9')) + '0') * 8)
+    print 'MD5 test suite results:'
+    MDString('')
+    MDString('a')
+    MDString('abc')
+    MDString('message digest')
+    MDString(makestr(ord('a'), ord('z')))
+    MDString(makestr(ord('A'), ord('Z')) \
+              + makestr(ord('a'), ord('z')) \
+              + makestr(ord('0'), ord('9')))
+    MDString((makestr(ord('1'), ord('9')) + '0') * 8)
 
-	# Contents of file foo are "abc"
-	MDFile('foo')
+    # Contents of file foo are "abc"
+    MDFile('foo')
 
 
 from sys import argv
 
 # I don't wanna use getopt(), since I want to use the same i/f...
 def main():
-	if len(argv) == 1:
-		MDFilter()
-	for arg in argv[1:]:
-		if arg[:2] == '-s':
-			MDString(arg[2:])
-		elif arg == '-t':
-			MDTimeTrial()
-		elif arg == '-x':
-			MDTestSuite()
-		else:
-			MDFile(arg)
+    if len(argv) == 1:
+        MDFilter()
+    for arg in argv[1:]:
+        if arg[:2] == '-s':
+            MDString(arg[2:])
+        elif arg == '-t':
+            MDTimeTrial()
+        elif arg == '-x':
+            MDTestSuite()
+        else:
+            MDFile(arg)
 
 main()