1 files changed, 57 insertions, 55 deletions
diff --git a/Lib/base64.py b/Lib/base64.py
index 2c72214..5ef2081 100755
--- a/Lib/base64.py
+++ b/Lib/base64.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 
-# Conversions to/from base64 transport encoding as per RFC-1521.
-#
+"""Conversions to/from base64 transport encoding as per RFC-1521."""
+
 # Modified 04-Oct-95 by Jack to use binascii module
 
 import binascii
@@ -9,69 +9,71 @@ import binascii
 MAXLINESIZE = 76 # Excluding the CRLF
 MAXBINSIZE = (MAXLINESIZE/4)*3
 
-# Encode a file.
 def encode(input, output):
-	while 1:
-		s = input.read(MAXBINSIZE)
-		if not s: break
-		while len(s) < MAXBINSIZE:
-		    ns = input.read(MAXBINSIZE-len(s))
-		    if not ns: break
-		    s = s + ns
-		line = binascii.b2a_base64(s)
-		output.write(line)
+    """Encode a file."""
+    while 1:
+        s = input.read(MAXBINSIZE)
+        if not s: break
+        while len(s) < MAXBINSIZE:
+            ns = input.read(MAXBINSIZE-len(s))
+            if not ns: break
+            s = s + ns
+        line = binascii.b2a_base64(s)
+        output.write(line)
 
-# Decode a file.
 def decode(input, output):
-	while 1:
-		line = input.readline()
-		if not line: break
-		s = binascii.a2b_base64(line)
-		output.write(s)
+    """Decode a file."""
+    while 1:
+        line = input.readline()
+        if not line: break
+        s = binascii.a2b_base64(line)
+        output.write(s)
 
 def encodestring(s):
-	import StringIO
-	f = StringIO.StringIO(s)
-	g = StringIO.StringIO()
-	encode(f, g)
-	return g.getvalue()
+    """Encode a string."""
+    import StringIO
+    f = StringIO.StringIO(s)
+    g = StringIO.StringIO()
+    encode(f, g)
+    return g.getvalue()
 
 def decodestring(s):
-	import StringIO
-	f = StringIO.StringIO(s)
-	g = StringIO.StringIO()
-	decode(f, g)
-	return g.getvalue()
+    """Decode a string."""
+    import StringIO
+    f = StringIO.StringIO(s)
+    g = StringIO.StringIO()
+    decode(f, g)
+    return g.getvalue()
 
-# Small test program
 def test():
-	import sys, getopt
-	try:
-		opts, args = getopt.getopt(sys.argv[1:], 'deut')
-	except getopt.error, msg:
-		sys.stdout = sys.stderr
-		print msg
-		print """usage: basd64 [-d] [-e] [-u] [-t] [file|-]
-		-d, -u: decode
-		-e: encode (default)
-		-t: decode string 'Aladdin:open sesame'"""
-		sys.exit(2)
-	func = encode
-	for o, a in opts:
-		if o == '-e': func = encode
-		if o == '-d': func = decode
-		if o == '-u': func = decode
-		if o == '-t': test1(); return
-	if args and args[0] != '-':
-		func(open(args[0], 'rb'), sys.stdout)
-	else:
-		func(sys.stdin, sys.stdout)
+    """Small test program"""
+    import sys, getopt
+    try:
+        opts, args = getopt.getopt(sys.argv[1:], 'deut')
+    except getopt.error, msg:
+        sys.stdout = sys.stderr
+        print msg
+        print """usage: basd64 [-d] [-e] [-u] [-t] [file|-]
+        -d, -u: decode
+        -e: encode (default)
+        -t: decode string 'Aladdin:open sesame'"""
+        sys.exit(2)
+    func = encode
+    for o, a in opts:
+        if o == '-e': func = encode
+        if o == '-d': func = decode
+        if o == '-u': func = decode
+        if o == '-t': test1(); return
+    if args and args[0] != '-':
+        func(open(args[0], 'rb'), sys.stdout)
+    else:
+        func(sys.stdin, sys.stdout)
 
 def test1():
-	s0 = "Aladdin:open sesame"
-	s1 = encodestring(s0)
-	s2 = decodestring(s1)
-	print s0, `s1`, s2
+    s0 = "Aladdin:open sesame"
+    s1 = encodestring(s0)
+    s2 = decodestring(s1)
+    print s0, `s1`, s2
 
 if __name__ == '__main__':
-	test()
+    test()