Support reading PEM files in TLSLite

third_party/tlslite/tlslite/X509.py

 """Class representing an X.509 certificate."""
 
 from utils.ASN1Parser import ASN1Parser
 from utils.cryptomath import *
 from utils.keyfactory import _createPublicRSAKey
 
 
 class X509:
     """This class represents an X.509 certificate.
 
@@ skipping 81 matching lines @@
         #Get the modulus and exponent
         modulusP = subjectPublicKeyP.getChild(0)
         publicExponentP = subjectPublicKeyP.getChild(1)
 
         #Decode them into numbers
         n = bytesToNumber(modulusP.value)
         e = bytesToNumber(publicExponentP.value)
 
         #Create a public key instance
         self.publicKey = _createPublicRSAKey(n, e)
+        return self

[wtc, 2012/03/02 23:32:18]

Is it a bug for a method to be missing a return statement
at the end?

 
     def getFingerprint(self):
         """Get the hex-encoded fingerprint of this certificate.
 
         @rtype: str
         @return: A hex-encoded fingerprint.
         """
         return sha.sha(self.bytes).hexdigest()
 
     def getCommonName(self):
@@ skipping 20 matching lines @@
                 if e[0] == cryptlib_py.CRYPT_ERROR_NOTFOUND:
                     returnVal = None
             return returnVal
         finally:
             cryptlib_py.cryptDestroyCert(c)
 
     def writeBytes(self):
         return self.bytes