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POError parsing emails using Python's email module when the encoding is in shift_jis
 

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  1. POError parsing emails using Python's email module when the encoding is in shift_jis
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    <p>I am getting an error that says "UnicodeDecodeError: 'shift_jis' codec can't decode bytes in position 2-3: illegal multibyte sequence" when I try to use my email parser to decode a shift_jis encoded email and convert it to unicode. The code and email can be found below:</p> <pre><code>import email.header import base64 import sys import email def getrawemail(): line = ' ' raw_email = '' while line: line = sys.stdin.readline() raw_email += line return raw_email def getheader(subject, charsets): for i in charsets: if isinstance(i, str): encoding = i break if subject[-2] == "?=": encoded = subject[5 + len(encoding):len(subject) - 2] else: encoded = subject[5 + len(encoding):] return (encoding, encoded) def decodeheader((encoding, encoded)): decoded = base64.b64decode(encoded) decoded = unicode(decoded, encoding) return decoded raw_email = getrawemail() msg = email.message_from_string(raw_email) subject = decodeheader(getheader(msg["Subject"], msg.get_charsets())) print subject </code></pre> <p>Email: <a href="http://pastebin.com/L4jAkm5R" rel="nofollow">http://pastebin.com/L4jAkm5R</a></p> <p>I have read on another Stack Overflow question that this may be related to a difference between how Unicode and shift_jis are encoded (they referenced <a href="http://support.microsoft.com/kb/170559" rel="nofollow" title="this">this</a> Microsoft Knowledge Base article). If anyone knows what in my code could be causing it to not work, or if this is even reasonably fixable, I would very much appreciate finding out how.</p>
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