mirror of https://github.com/python/cpython
SF patch #495358 (Artur Zaprzala): rfc822.AddressList and "<>" address
rfc822.AddressList incorrectly handles empty address. "<>" is converted to None and should be "". AddressList.__str__() fails on None. I got an email with such an address and my program failed processing it. Example: >>> import rfc822 >>> rfc822.AddressList("<>").addresslist [('', None)] >>> str(rfc822.AddressList("<>")) Traceback (most recent call last): File "<stdin>", line 1, in ? File "/usr/lib/python2.1/rfc822.py", line 753, in __str__ return ", ".join(map(dump_address_pair, self.addresslist)) TypeError: sequence item 0: expected string, None found [His solution: in the internal routine AddrlistClass.getrouteaddr(), initialize adlist to "".]
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@ -624,7 +624,7 @@ class AddrlistClass:
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expectroute = 0
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self.pos = self.pos + 1
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self.gotonext()
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adlist = None
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adlist = ""
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while self.pos < len(self.field):
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if expectroute:
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self.getdomain()
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