小贝子编程

ms-exchange无法识别使用python-vobject创建的事件



我使用python vobject和django的EmailMultiAlternatives创建了一个会议邀请，如下所示：

cal = vobject.iCalendar()
cal.add('method').value = 'REQUEST' #IE/Outlook needs this
vevent = cal.add('vevent')
start = datetime.datetime(start.year, start.month, start.day, start.hour, start.minute, 0, 0, gettz(timezone))
end = datetime.datetime(end.year, end.month, end.day, end.hour, end.minute, 0, 0, gettz(timezone))
vevent.add('dtstamp').value = datetime.datetime.utcnow()
vevent.add('organizer').value = "mailto:" + organizer.email
vevent.add('uid').value = uid
vevent.add('sequence').value = str(sequence_number)
for participant in participants:
    vevent.add('attendee;cutype=individual;role=req-participant;partstat=needs-action;rsvp=true').value = "mailto:" + participant.email
vevent.add('dtstart').value = start
vevent.add('dtend').value = end
vevent.add('summary').value = title
vevent.add('description').value = desc
vevent.add('last-modified').value = datetime.datetime.utcnow()
vevent.add('status').value = 'CONFIRMED'
vevent.add('location').value = ''
vevent.add('priority').value = '5'
vevent.add('class').value = ''
vevent.add('transp').value = 'OPAQUE'
vevent.add('created').value = created
vevent.add('x-microsoft-cdo-busystatus').value = 'BUSY'
vevent.add('x-microsoft-cdo-alldayevent').value = 'FALSE'
vevent.add('x-microsoft-cdo-insttype').value = '0'
vevent.add('x-microsoft-cdo-intendedstatus').value = 'FALSE'
vevent.add('x-microsoft-cdo-importance').value = '1'
vevent.add('x-microsoft-cdo-appt-sequence').value = str(sequence_number)

发送的电子邮件如下：

Content-Type: multipart/mixed; boundary="===============0735652256227437116=="
MIME-Version: 1.0
Subject: Test Meeting
From: "..." <...@example.com>
To: ...@example.com
Date: Tue, 21 Jun 2011 13:31:43 -0000
Message-ID: <20110621133143.17903.84489@...>
Reply-To: "..." <...@example.com>
X-OriginalArrivalTime: 21 Jun 2011 13:29:25.0546 (UTC) FILETIME=[3D2A38A0:01CC3017]
--===============0735652256227437116==
Content-Type: multipart/alternative;
    boundary="===============1854598015118304554=="
MIME-Version: 1.0
--===============1854598015118304554==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Subject: Test Meeting
Time: 8 p.m. - 9 p.m. GMT+0530 Asia/Kolkata
Moderator: ... (...@example.com)
Message: A test meeting.
--===============1854598015118304554==
Content-Type: text/html; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
        <table width=3D"100%">
            <tr bgcolor=3D"#d8d8d8">
                <td align=3D"center">
                    <table width=3D"530px" bgcolor=3D"#FFFFFF" style=3D"ma=
rgin-top:20px;padding:10px;margin-bottom:20px;text-align:left;">
                        <tr>
                            <td  style=3D"padding-top:10px;">
                                <font face=3D"Arial, Helvetica, sans-serif=
">
                                    <font color=3D"#336699" size=3D"14px" =
style=3D"font-size:14px;line-height:18px;"><b>Meeting Title:</b></font>
                                    <font size=3D"14px" style=3D"font-size=
:14px;">Test&nbsp;Meeting</font>
                                </font>
                            </td>
                        </tr>
                        <tr>
                            <td  style=3D"padding-top:10px;">
                                <font face=3D"Arial, Helvetica, sans-serif=
">
                                    <font color=3D"#336699" size=3D"14px" =
style=3D"font-size:14px;line-height:18px;"><b>Meeting Time:</b></font>
                                    <font size=3D"14px" style=3D"font-size=
:14px;">June 21, 2011</font>
                                    <font size=3D"14px" style=3D"font-size=
:14px;">8 p.m. - 9 p.m.</font>
                                    <font size=3D"11px" style=3D"font-size=
:11px;">GMT+0530 Asia/Kolkata</font>
                                </font>
                            </td>
                        </tr>
                        <tr>
                            <td style=3D"padding-top:10px;">
                                <font face=3D"Arial, Helvetica, sans-serif=
">
                                    <font size=3D"14px" color=3D"#336699" =
style=3D"font-size:14px;line-height:18px;"><b>Moderator:</b></font>
                                    <font size=3D"14px" style=3D"font-size=
:14px;">...</font>
                                    <font size=3D"14px" style=3D"font-size=
:14px;">(<a href=3D"mailto:...@example.com">...@example.com</a>)</font>
                                </font>
                            </td>
                        </tr>
                        <tr>
                            <td style=3D"padding-top:10px;">
                                <font face=3D"Arial, Helvetica, sans-serif=
">
                                    <font size=3D"14px" color=3D"#336699" =
style=3D"font-size:14px;line-height:18px;"><b>Message/Description:</b></fon=
t><br>
                                    <font size=3D"14px" style=3D"font-size=
:14px;">A&nbsp;test&nbsp;meeting.<br /></font>
                                </font>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
--===============1854598015118304554==
MIME-Version: 1.0
Content-Type: text/calendar; method="REQUEST"; name="invite.ics";
    charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Content-class: urn:content-classes:calendarmessage
BEGIN:VCALENDAR
VERSION:2.0
METHOD:REQUEST
PRODID:-//PYVOBJECT//NONSGML Version 1//EN
BEGIN:VTIMEZONE
TZID:IST
BEGIN:STANDARD
DTSTART:20000101T000000
RRULE:FREQ=3DYEARLY;BYMONTH=3D1
TZNAME:IST
TZOFFSETFROM:+0530
TZOFFSETTO:+0530
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:IoCJJ_840167408_31@example.com
DTSTART;TZID=3DIST:20110621T200000
DTEND;TZID=3DIST:20110621T210000
ATTENDEE;CUTYPE=3DINDIVIDUAL;ROLE=3DREQ-PARTICIPANT;PARTSTAT=3DNEEDS-ACTIO=
N;RSVP
 =3DTRUE:mailto:...@example.com
CLASS:
CREATED:20110621T052344Z
DESCRIPTION:A test meeting.n
DTSTAMP:20110621T133143Z
LAST-MODIFIED:20110621T133143Z
LOCATION:
ORGANIZER:mailto:...@example.com
PRIORITY:5
SEQUENCE:1
STATUS:CONFIRMED
SUMMARY:Test Meeting
TRANSP:OPAQUE
X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
X-MICROSOFT-CDO-APPT-SEQUENCE:1
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
X-MICROSOFT-CDO-IMPORTANCE:1
X-MICROSOFT-CDO-INSTTYPE:0
X-MICROSOFT-CDO-INTENDEDSTATUS:FALSE
END:VEVENT
END:VCALENDAR
--===============1854598015118304554==--
--===============0735652256227437116==
Content-Type: application/ics; name="invite.ics"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="invite.ics"
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
--===============0735652256227437116==--

解码后看起来像：

Content-Type: multipart/mixed; boundary="===============0735652256227437116=="
MIME-Version: 1.0
Subject: Test Meeting
From: "..." <...@example.com>
To: ...@example.com
Date: Tue, 21 Jun 2011 13:31:43 -0000
Message-ID: <20110621133143.17903.84489@...>
Reply-To: "..." <...@example.com>
X-OriginalArrivalTime: 21 Jun 2011 13:29:25.0546 (UTC) FILETIME=[3D2A38A0:01CC3017]
--===============0735652256227437116==
Content-Type: multipart/alternative;
    boundary="===============1854598015118304554=="
MIME-Version: 1.0
--===============1854598015118304554==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
Subject: Test Meeting
Time: 8 p.m. - 9 p.m. GMT+0530 Asia/Kolkata
Moderator: ... (...@example.com)
Message: A test meeting.
--===============1854598015118304554==
Content-Type: text/html; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
        <table width="100%">
            <tr bgcolor="#d8d8d8">
                <td align="center">
                    <table width="530px" bgcolor="#FFFFFF" style="margin-top:20px;padding:10px;margin-bottom:20px;text-align:left;">
                        <tr>
                            <td  style="padding-top:10px;">
                                <font face="Arial, Helvetica, sans-serif">
                                    <font color="#336699" size="14px" style="font-size:14px;line-height:18px;"><b>Meeting Title:</b></font>
                                    <font size="14px" style="font-size:14px;">Test&nbsp;Meeting</font>
                                </font>
                            </td>
                        </tr>
                        <tr>
                            <td  style="padding-top:10px;">
                                <font face="Arial, Helvetica, sans-serif">
                                    <font color="#336699" size="14px" style="font-size:14px;line-height:18px;"><b>Meeting Time:</b></font>
                                    <font size="14px" style="font-size:14px;">June 21, 2011</font>
                                    <font size="14px" style="font-size:14px;">8 p.m. - 9 p.m.</font>
                                    <font size="11px" style="font-size:11px;">GMT+0530 Asia/Kolkata</font>
                                </font>
                            </td>
                        </tr>
                        <tr>
                            <td style="padding-top:10px;">
                                <font face="Arial, Helvetica, sans-serif">
                                    <font size="14px" color="#336699" style="font-size:14px;line-height:18px;"><b>Moderator:</b></font>
                                    <font size="14px" style="font-size:14px;">...</font>
                                    <font size="14px" style="font-size:14px;">(<a href="mailto:...@example.com">...@example.com</a>)</font>
                                </font>
                            </td>
                        </tr>
                        <tr>
                            <td style="padding-top:10px;">
                                <font face="Arial, Helvetica, sans-serif">
                                    <font size="14px" color="#336699" style="font-size:14px;line-height:18px;"><b>Message/Description:</b></font><br>
                                    <font size="14px" style="font-size:14px;">A&nbsp;test&nbsp;meeting.<br /></font>
                                </font>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
--===============1854598015118304554==
MIME-Version: 1.0
Content-Type: text/calendar; method="REQUEST"; name="invite.ics";
    charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Content-class: urn:content-classes:calendarmessage
BEGIN:VCALENDAR
VERSION:2.0
METHOD:REQUEST
PRODID:-//PYVOBJECT//NONSGML Version 1//EN
BEGIN:VTIMEZONE
TZID:IST
BEGIN:STANDARD
DTSTART:20000101T000000
RRULE:FREQ=YEARLY;BYMONTH=1
TZNAME:IST
TZOFFSETFROM:+0530
TZOFFSETTO:+0530
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:IoCJJ_840167408_31@example.com
DTSTART;TZID=IST:20110621T200000
DTEND;TZID=IST:20110621T210000
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP
 =TRUE:mailto:...@example.com
CLASS:
CREATED:20110621T052344Z
DESCRIPTION:A test meeting.n
DTSTAMP:20110621T133143Z
LAST-MODIFIED:20110621T133143Z
LOCATION:
ORGANIZER:mailto:...@example.com
PRIORITY:5
SEQUENCE:1
STATUS:CONFIRMED
SUMMARY:Test Meeting
TRANSP:OPAQUE
X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
X-MICROSOFT-CDO-APPT-SEQUENCE:1
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
X-MICROSOFT-CDO-IMPORTANCE:1
X-MICROSOFT-CDO-INSTTYPE:0
X-MICROSOFT-CDO-INTENDEDSTATUS:FALSE
END:VEVENT
END:VCALENDAR
--===============1854598015118304554==--
--===============0735652256227437116==
Content-Type: application/ics; name="invite.ics"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="invite.ics"
BEGIN:VCALENDAR
VERSION:2.0
METHOD:REQUEST
PRODID:-//PYVOBJECT//NONSGML Version 1//EN
BEGIN:VTIMEZONE
TZID:IST
BEGIN:STANDARD
DTSTART:20000101T000000
RRULE:FREQ=YEARLY;BYMONTH=1
TZNAME:IST
TZOFFSETFROM:+0530
TZOFFSETTO:+0530
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:IoCJJ_840167408_31@example.com
DTSTART;TZID=IST:20110621T200000
DTEND;TZID=IST:20110621T210000
ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=NEEDS-ACTION;RSVP
 =TRUE:mailto:...@example.com
CLASS:
CREATED:20110621T052344Z
DESCRIPTION:A test meeting.n
DTSTAMP:20110621T133143Z
LAST-MODIFIED:20110621T133143Z
LOCATION:
ORGANIZER:mailto:...@example.com
PRIORITY:5
SEQUENCE:1
STATUS:CONFIRMED
SUMMARY:Test Meeting
TRANSP:OPAQUE
X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
X-MICROSOFT-CDO-APPT-SEQUENCE:1
X-MICROSOFT-CDO-BUSYSTATUS:BUSY
X-MICROSOFT-CDO-IMPORTANCE:1
X-MICROSOFT-CDO-INSTTYPE:0
X-MICROSOFT-CDO-INTENDEDSTATUS:FALSE
END:VEVENT
END:VCALENDAR
--===============0735652256227437116==--

此电子邮件适用于Thunderbird/Lightening、Outlook（无Exchange后端）、GMail日历等各种环境，但由Exchange处理日历的情况除外。

有人能告诉我哪里出了问题以及如何解决吗？

Exchange在包含应用程序/ics附件时会剥离电子邮件的内容。如果该备用视图被删除，那么问题应该会自行解决。

如果您仍然有问题，可以查看：https://stackoverflow.com/a/14648531/1167333.

我遇到的一个可能的问题是，对于一些次要的语法细节，outlook拒绝显示邀请。要测试您的icalendar文件是否有效，您可以尝试通过在线验证器运行它：

  • http://icalvalid.cloudapp.net/
  • http://severinghaus.org/projects/icv/

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