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当我将 uid 与字符串变量连接时，会议邀请 ics 附件没有正确创建，但是当我对整个字符串进行硬编码时

"UID: hardcoded string"

这将正确创建会议邀请 ics 附件。我不知道如何解决这个问题。我不想使用 getuniqueid() 函数，因为我也希望能够取消会议邀请请求。

import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email.Utils import COMMASPACE, formatdate
from email import Encoders
import os, datetime

def meeting_invitation(toAddr, body, datetimeStrP, method, uid):
    CRLF = "\r\n"
    attendees = toAddr
    organizer = "ORGANIZER;CN=organiser:mailto:do.not.reply"+CRLF+" @engr.orst.edu"
    fro = "<do.not.reply@me.com>"

    ddtstart = datetimeStrP
    dtoff = datetime.timedelta(hours = 8) # Correct -8 hour UTC offset correction
    dur = datetime.timedelta(minutes = 15)
    ddtstart = ddtstart + dtoff
    dtend = ddtstart + dur
    dtstamp = datetime.datetime.now().strftime("%Y%m%dT%H%M%SZ")
    dtstart = ddtstart.strftime("%Y%m%dT%H%M%SZ")
    dtend = dtend.strftime("%Y%m%dT%H%M%SZ")

    if method == "REQUEST":
        status = "CONFIRMED"
    elif method == "CANCEL":
        status = "CANCELLED"

    description = "DESCRIPTION: Meeting invitation "+CRLF
    attendee = ""
    for att in attendees:
        attendee += "ATTENDEE;CUTYPE=INDIVIDUAL;" \
                    "ROLE=REQ-PARTICIPANT;" \
                    "PARTSTAT=ACCEPTED;" \
                    "RSVP=TRUE"+CRLF+" ;" \
                    "CN="+att+";" \
                    "X-NUM-GUESTS=0:"+CRLF+" " \
                    "mailto:"+att+CRLF
    ical = "BEGIN:VCALENDAR"+CRLF+\
           "PRODID:pyICSParser"+CRLF+\
           "VERSION:2.0"+CRLF+\
           "CALSCALE:GREGORIAN"+CRLF
    ical+="METHOD:"+method+CRLF+\
          "BEGIN:VEVENT"+CRLF+\
          "DTSTART:"+dtstart+CRLF+\
          "DTEND:"+dtend+CRLF+\
          "DTSTAMP:"+dtstamp+CRLF+organizer+CRLF
    ical+= "UID:"+uid+CRLF
    ical+= "UID:%s" %(uid)+CRLF
    # ical['uid']=uid+CRLF
    ical+= attendee+\
           "CREATED:"+dtstamp+CRLF+\
           description+\
           "LAST-MODIFIED:"+dtstamp+CRLF+\
           "LOCATION:"+CRLF+\
           "SEQUENCE:0"+CRLF+\
           "STATUS:"+status+CRLF
    ical+= "SUMMARY: Meeting invitation "+ddtstart.strftime("%Y%m%d @ %H:%M")+CRLF+\
           "TRANSP:OPAQUE"+CRLF+\
           "END:VEVENT"+CRLF+\
           "END:VCALENDAR"+CRLF

    eml_body = body
    msg = MIMEMultipart('mixed')
    msg['Reply-To']=fro
    msg['Date'] = formatdate(localtime=True)
    msg['Subject'] = "Advising Meeting "+ status #+ dtstart
    msg['From'] = fro
    msg['To'] = ",".join(attendees)

    part_email = MIMEText(eml_body, "plain")
    part_cal = MIMEText(ical,'calendar;method='+method)

    msgAlternative = MIMEMultipart('alternative')
    msg.attach(msgAlternative)

    ical_atch = MIMEBase('application/ics',' ;name="%s"'%("invite.ics"))
    ical_atch.set_payload(ical)
    Encoders.encode_base64(ical_atch)
    ical_atch.add_header('Content-Disposition', 'attachment; filename="%s"'%("invite.ics"))

    eml_atch = MIMEBase('text/plain','')
    Encoders.encode_base64(eml_atch)
    eml_atch.add_header('Content-Transfer-Encoding', "")

    msgAlternative.attach(part_email)
    msgAlternative.attach(part_cal)

    mailServer = smtplib.SMTP('mail.server', 587)
    mailServer.sendmail(fro, attendees, msg.as_string())
    mailServer.close()
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1 回答 1

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我在测试时发现这是一个 Gmail 问题，但它适用于 Outlook，它实际上将用于发送会议邀请。

于 2015-03-03T11:16:48.113 回答