LittleTutorialHelper/email_sender.py at master · Ctoffer/LittleTutorialHelper · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
#! /usr/bin/python
# -*- coding: utf-8 -*-

import os

import html_mail_modifier as HTMLMM

from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication

from gmdata_managment import FolderManager as FM

from account_exceptions import LoginException
from smtplib import SMTP

iTempPath = FM().getInfoTemplatePath()
rTempPath = FM().getReturnTemplatePath()
me = FM().getMyEmailData()
me = {'Name':me[0], 'Mail':me[1]}

class Sender(object):

    def __init__(self, address = 'extmail.urz.uni-heidelberg.de', port = 587, acc = ('user', 'passw'), allowed = False):
        self.server = {'address' : address, 'port' : port}
        self.conn = None
        self.acc = acc
        self.allowed = allowed

    def isConnected(self):
        return self.conn != None

    def login(self):
        print('Trying to connect to %s:%s' % (self.server['address'], self.server['port']))
        self.conn = SMTP(self.server['address'], self.server['port'])
        self.conn.ehlo()

        print('Connection established.')
        try:
            print('Uni-Mail Login')
            self.conn.login(self.acc[0], self.acc[1])
        except Exception as exc:
            raise LoginException('Login failed! %s' % str(exc))

    def __enter__(self):
        self.login()
        return self

    def __exit__(self, type, value, traceback):
        self.logout()

    def logout(self):
        print('Uni-Mail Logout')
        self.conn.quit()
        self.conn = None

    def sendHTMLMail(self, senderMail, receiverMail, subject, htmltxt, attachments = []):
        print('sendHTMLMail (%s) from \'%s\' to \'%s\' with %d attachments' % (subject, senderMail, receiverMail, len(attachments)))
        msg = MIMEMultipart('alternative')
        msg['Subject'] = subject
        msg['From'] = senderMail
        msg['To'] = receiverMail

        plaintxt = "Wenn diese Mail dir nicht angezeigt wird, dann unterstützt dein E-Mailclient keine HTML-Mails.\nSollte dies der Fall sein, dann schreibe mir bitte unverzüglich eine Mail!"

        part1 = MIMEText(plaintxt, 'plain', 'utf-8')
        part2 = MIMEText(htmltxt, 'html', 'utf-8')

        msg.attach(part1)
        msg.attach(part2)

        for f in attachments:
            with open(f, "rb") as fil:
                part = MIMEApplication(fil.read(), Name=os.path.basename(f))
                part['Content-Disposition'] = 'attachment; filename="%s"' % os.path.basename(f)
                msg.attach(part)

        if self.allowed:
            self.conn.sendmail(senderMail, receiverMail, msg.as_string())

    def sendInfoMail(self, student, lecture, infotitle, contentpath, attachments = []):
        print('sendInfoMail')
        global iTempPath
        global me
        subject = "[" + lecture + "] " + infotitle

        htmltxt = HTMLMM.createInfoMailFromTemplate(me, iTempPath, infotitle, contentpath)

        self.sendHTMLMail(me['Mail'], student['Mail'], subject, htmltxt, attachments)

    def sendInfoMailToAll(self, students, lecture, infotitle, contentpath, attachments = []):
        print('sendInfoMailToAll')
        global iTempPath
        global me
        subject = "[" + lecture + "] " + infotitle

        htmltxt = HTMLMM.createInfoMailFromTemplate(me, iTempPath, infotitle, contentpath)

        for student in students:
            self.sendHTMLMail(me['Mail'], student['Mail'], subject, htmltxt, attachments)

        print('Info Mail was sent to %d students' % len(students))

    def sendInfoTestMail(self, lecture, infotitle, contentpath, attachments = []):
        print('sendInfoTestMail')
        global me
        self.sendInfoMail(me, lecture, infotitle, contentpath, attachments)

    def sendFeedbackMails(self, lecture, sheetNr, mailPathDict):
        global me
        subject = '[ %s ] Zettelrückgabe %s' % (lecture, str(sheetNr).zfill(2))

        i = 0
        maxI = len(mailPathDict)
        for mail, path in mailPathDict.items():
            with open(path, 'r') as fd:
                print('Send Mail %s of %s to %s' % (str(i + 1).zfill(2), str(maxI).zfill(2), mail))

                text = fd.read()

                self.sendHTMLMail(me['Mail'], mail, subject, text)
                # TODO only debug
                self.sendHTMLMail(me['Mail'], me['Mail'], subject, text)
                i += 1

    def sendReturnTestMail(self, lecture, contentpaths, attachments = []):
        global rTempPath
        global me

        sheetNr = 28
        creds = [11.0, 6.5, 3.5, 11.0]
        tutinfo = {'Day':'Samstag', 'Time':'25:98'}
        subject = '[ %s ] Zettelrückgabe Blatt %s' % (lecture, str(sheetNr).zfill(2))

        htmltxt = HTMLMM.createReturnMailFromTemplate(me, [me], creds, tutinfo, rTempPath, sheetNr, contentpaths)

        self.sendHTMLMail(me['Mail'], me['Mail'], subject, htmltxt, attachments)