Personal Computer World 2009 February/PCWFEB09.iso/Software/Resources/Chat & Communication/Digsby build 37/digsby_setup.exe/lib/mail/emailobj.pyo

Python Compiled Bytecode | 2008-10-13 | 7KB | 216 lines

# Source Generated with Decompyle++
# File: in.pyo (Python 2.5)

from util import autoassign, strip_html_and_tags, replace_newlines, Storage, fuzzydecode
from email.utils import parseaddr, parsedate
from email.header import decode_header
from datetime import datetime
import email.message as email
from common import pref
import sys
import traceback
import logging
log = logging.getLogger('emailobj')
UnicodeErrors = (UnicodeEncodeError, UnicodeDecodeError)

def unicode_hdr(hdr, fallback = None):
    more_encs = None if fallback else []

    try:
        return (u''.join,)((lambda .0: for hdr, encoding in .0:
None if encoding else hdr)(decode_header(hdr)))
    except UnicodeErrors:
        return fuzzydecode(hdr, more_encs + [
            'utf-8'])



def find_part(email, types):
    if not email.is_multipart():
        return email

    results = (dict,)((lambda .0: for part in .0:
if part.get_content_type() in types:
(part.get_content_type(), part)continue)(email))
    print results
    for ty in types:
        if ty in results:
            return results[ty]
            continue



def find_attachments(email):
    attachments = { }
    for part in email:
        if 'Content-Disposition' in part.keys() and 'attachment' in part['Content-Disposition']:
            attachments[part.get_filename()] = Storage(data = part.get_payload(decode = True), content_type = part.get_content_type())
            continue

    return attachments


def parse_content(part):
    charset = part.get_content_charset()
    content_type = part.get_content_type()
    payload = part.get_payload(decode = True)
    html = content_type == 'text/html'
    if payload is None:
        payload = ''


    try:
        if not charset:
            pass
        content = payload.decode('ascii')
    except (UnicodeDecodeError, LookupError):
        content = payload.decode('utf-8', 'replace')

    if html:
        content = strip_html_and_tags(content, [
            'style'])
    else:
        content = content
    return content


class Email(object):

    def __init__(self, id = None, fromname = None, fromemail = None, sendtime = None, subject = None, content = None, attachments = None, labels = None):
        autoassign(self, locals())


    def update(self, email):
        if isinstance(email, dict):
            attrs = email
        else:
            attrs = vars(email)
        autoassign(self, dict((lambda .0: for k, v in .0:
if v is not None:
(k, v)continue)(attrs.iteritems())))


    def fromEmailMessage(cls, id, email, sendtime_if_error = None):
        encoding = email.get_content_charset()
        (realname, email_address) = parseaddr(email['From'])
        realname = unicode_hdr(realname, encoding)
        _email = email

        try:
            datetuple = parsedate(email['Date'])
            sendtime = datetime(*datetuple[:7])
        except Exception:
            traceback.print_exc()
            print >>sys.stderr, 'using %s for "sendtime" instead' % sendtime_if_error
            sendtime = sendtime_if_error


        try:
            attachments = find_attachments(email)
        except:
            attachments = { }

        part = find_part(email, ('text/plain', 'text/html'))
        if part is None:
            content = u''
        else:
            content = parse_content(part)
        content = replace_newlines(content)
        prev_length = pref('email.preview_length', 200)
        if len(content) > prev_length:
            content = content[:prev_length] + '...'
        else:
            content
        email = cls(id, realname, email_address, sendtime, email['Subject'], content = content, attachments = attachments)
        return email

    fromEmailMessage = classmethod(fromEmailMessage)

    def __eq__(self, other):
        if not isinstance(other, Email):
            return False

        return self.id == other.id


    def __cmp__(self, other):

        try:
            return -cmp(self.sendtime, other.sendtime)
        except TypeError:
            return -1



    def domain(self):
        f = self.fromemail
        if f is not None:
            return f[f.find('@') + 1:]


    domain = property(domain)

    def __unicode__(self):
        if not self.subject:
            pass
        lines = [
            unicode('Subject: %s' % '<none>').encode('utf-8')]
        if self.fromname:
            _fromstr = self.fromname
            if self.fromemail:
                _fromstr += ' <%s>' % self.fromemail

        elif self.fromemail:
            _fromstr = self.fromemail
        else:
            _fromstr = '<unknown>'
        lines.append('From: %s' % _fromstr)
        if self.sendtime:
            lines.append('Sent at %s' % self.sendtime)

        if self.content:
            lines.append('')
            lines.append(unicode(self.content))

        self.lines = lines
        return u''.join(lines)


    __str__ = lambda self: self.__unicode__().decode('ascii', 'ignore')

    def __repr__(self):

        try:
            if not self.fromemail:
                pass
            return u'<Email (Subject: %r, From: %r)>' % (self.subject[:30], self.fromname)
        except Exception:
            return u'<Email from %r>' % self.fromemail




class DecodedEmail(email.message.Message):

    def __init__(self, myemail):
        self.email = myemail


    def __getattr__(self, attr, val = sentinel):
        result = getattr(self.email, attr, val)
        if result is sentinel:
            raise AttributeError
        else:
            return result


    def __getitem__(self, header):
        s = email.message.Message.__getitem__(self, header)
        if header == 'Content':
            return s
        else:
            return unicode_hdr(s, self.get_content_charset())

    __iter__ = email.message.Message.walk