import re

import io

import email

import email.errors

import email.header

import email.message

import mimetypes

from .utils import *

atom_posfix_restricted=r"[a-zA-Z0-9_#\$&'*+/=?\^`{}~|\-]+" # without '!' and '%'

dot_atom=atom + r"(?:\." + atom + ")*"

local="(?:" + dot_atom + "|" + quoted + ")"

domain="(?:" + dot_atom + "|" + domain_lit + ")"

addr_spec=local + "@" + domain

email_address_re=re.compile('^'+addr_spec+'$')

class MailPart:

return st

_line_end_re=re.compile('\r\n|\n\r|\n|\r')

def _friendly_header(header):

return re.sub(_line_end_re, ' ', header)

def decode_mail_header(value, default_charset='us-ascii'):

return "".join(headers)

def get_mail_addresses(message, header_name):

return addrs

def get_filename(part):

return filename

def _search_message_content(contents, part):

return

def search_message_content(mail):

return contents

def get_mail_parts(msg):

return mailparts

def decode_text(payload, charset, default_charset):

return payload, None

class PyzMessage(email.message.Message):

return value

class PzMessage(PyzMessage):

PyzMessage.__init__(self, self.smart_parser(input))

def message_from_string(s, *args, **kws):

return PyzMessage(email.message_from_string(s, *args, **kws))

def message_from_file(fp, *args, **kws):

return PyzMessage(email.message_from_file(fp, *args, **kws))

def message_from_bytes(s, *args, **kws):

return PyzMessage(email.message_from_bytes(s, *args, **kws))

def message_from_binary_file(fp, *args, **kws):

return PyzMessage(email.message_from_binary_file(fp, *args, **kws))

if __name__ == "__main__":

import sys

if len(sys.argv)<=1:

print('usage : %s filename' % sys.argv[0])

print('read an email from file and display a resume of its content')

sys.exit(1)

msg=PyzMessage.factory(open(sys.argv[1], 'rb'))

print('Subject: %r' % (msg.get_subject(), ))

print('From: %r' % (msg.get_address('from'), ))

print('To: %r' % (msg.get_addresses('to'), ))

print('Cc: %r' % (msg.get_addresses('cc'), ))

print('Date: %r' % (msg.get_decoded_header('date', ''), ))

print('Message-Id: %r' % (msg.get_decoded_header('message-id', ''), ))

for mailpart in msg.mailparts:

# dont forget to be careful to sanitize 'filename' and be carefull

# for filename collision, to before to save :

print(' %sfilename=%r type=%s charset=%s desc=%s size=%d' % ('*'if mailpart.is_body else ' ', mailpart.filename, mailpart.type, mailpart.charset, mailpart.part.get('Content-Description'), 0 if mailpart.get_payload()==None else len(mailpart.get_payload())))

if mailpart.is_body=='text/plain':

# print first 3 lines

payload, used_charset=decode_text(mailpart.get_payload(), mailpart.charset, None)

for line in payload.split('\n')[:3]:

# be careful console can be unable to display unicode characters

if line:

print(' >', line)