author | Pascal Volk <neverseen@users.sourceforge.net> |
Sat, 02 Jan 2010 15:45:12 +0000 | |
changeset 162 | 0ac9ef587769 |
parent 155 | eb866ebb9f2e |
child 185 | 6e1ef32fbd82 |
permissions | -rw-r--r-- |
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# -*- coding: UTF-8 -*- |
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# Copyright (c) 2008 - 2010, Pascal Volk |
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# See COPYING for distribution information. |
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"""Virtual Mail Manager's EmailAddress class to handle e-mail addresses.""" |
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from __main__ import re, ERR |
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from Exceptions import VMMEmailAddressException as VMMEAE |
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import VirtualMailManager as VMM |
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RE_LOCALPART = """[^\w!#$%&'\*\+-\.\/=?^_`{\|}~]""" |
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class EmailAddress(object): |
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__slots__ = ('_localpart', '_domainname') |
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def __init__(self, address): |
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self._localpart = None |
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self._domainname = None |
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self.__chkAddress(address) |
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def __eq__(self, other): |
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if isinstance(other, self.__class__): |
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return self._localpart == other._localpart\ |
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and self._domainname == other._domainname |
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return NotImplemented |
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def __ne__(self, other): |
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if isinstance(other, self.__class__): |
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return self._localpart != other._localpart\ |
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or self._domainname != other._domainname |
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return NotImplemented |
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def __repr__(self): |
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return "EmailAddress('%s@%s')" % (self._localpart, self._domainname) |
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def __str__(self): |
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return "%s@%s" % (self._localpart, self._domainname) |
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def __chkAddress(self, address): |
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try: |
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localpart, domain = address.split('@') |
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except ValueError: |
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raise VMMEAE(_(u"Missing '@' sign in e-mail address “%s”.") % |
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address, ERR.INVALID_ADDRESS) |
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except AttributeError: |
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raise VMMEAE(_(u"“%s” doesn't look like an e-mail address.") % |
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address, ERR.INVALID_ADDRESS) |
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if len(domain) > 0: |
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domain = VMM.VirtualMailManager.chkDomainname(domain) |
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else: |
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raise VMMEAE(_(u"Missing domain name after “%s@”.") % |
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localpart, ERR.DOMAIN_NO_NAME) |
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localpart = self.__chkLocalpart(localpart) |
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self._localpart, self._domainname = localpart, domain |
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def __chkLocalpart(self, localpart): |
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"""Validates the local-part of an e-mail address. |
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Arguments: |
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localpart -- local-part of the e-mail address that should be validated (str) |
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""" |
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if len(localpart) < 1: |
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raise VMMEAE(_(u'No local-part specified.'), |
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ERR.LOCALPART_INVALID) |
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if len(localpart) > 64: |
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raise VMMEAE(_(u'The local-part “%s” is too long') % |
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localpart, ERR.LOCALPART_TOO_LONG) |
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ic = set(re.findall(RE_LOCALPART, localpart)) |
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if len(ic): |
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ichrs = '' |
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for c in ic: |
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ichrs += u"“%s” " % c |
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raise VMMEAE(_(u"The local-part “%(lpart)s” contains invalid\ |
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characters: %(ichrs)s") % {'lpart': localpart, 'ichrs': ichrs}, |
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ERR.LOCALPART_INVALID) |
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return localpart |
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