34 lines
951 B
Python
34 lines
951 B
Python
import email
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from email.header import decode_header
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def decode_mail_header(value, default_charset='us-ascii'):
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"""
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Decode a header value into a unicode string.
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"""
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try:
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headers=email.header.decode_header(value)
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except email.errors.HeaderParseError:
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return value.encode('us-ascii', 'replace').decode('us-ascii')
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else:
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for i, (text, charset) in enumerate(headers):
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try:
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headers[i]=text.decode(charset or 'us-ascii', 'replace')
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except LookupError:
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# if the charset is unknown, force default
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headers[i]=text.decode(default_charset, 'replace')
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return u"".join(headers)
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def get_mail_addresses(message, header_name):
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"""
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retrieve all email addresses from one message header
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"""
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addresses = email.utils.getaddresses(h for h in message.get_all(header_name, []))
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for i, (address_name, address) in enumerate(addresses):
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addresses[i]={'name': decode_mail_header(address_name), 'email': address}
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return addresses
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