使用 Python 中的 "exchangelib" 在特定日期范围内（用户输入）从 Outlook 中的特定文件夹访问电子邮件

Question

要求摘要：要在用户给定日期范围内访问 Outlook 中特定文件夹中的电子邮件，

ex: all mails from June or all mails from 23-June-2020 to 15-July-2020

到目前为止，我们已经尝试了以下方法，但问题是：

日期范围没有给出正确的输出
输出时间太长，有时返回超时错误。

代码：

from exchangelib import Credentials, Account, DELEGATE, Configuration, IMPERSONATION, FaultTolerance,EWSDateTime,EWSTimeZone,Message
import datetime 
import pandas as pd


new_password = "your password"

credentials = Credentials(username = 'username', password = new_password)
config = Configuration(server ='outlook.office365.com', credentials = credentials)
account = Account(primary_smtp_address ='username', credentials = credentials, autodiscover = False, config = config, access_type = DELEGATE)

#first approach.....................................

conversation_id = []
datetime_received = []
has_attachment = []
Senders = []

for i in account.inbox.all().order_by('-datetime_received')[:40]:
    if isinstance(i, Message):
        if i.datetime_received:
            if ((i.datetime_received).year == 2020):
                if ((i.datetime_received).month == 7):
                        if i.conversation_id:
                            print("conversation id: ", i.conversation_id.id)
                            conversation_id.append(i.conversation_id.id)
                        if not i.conversation_id:
                            conversation_id.append("Not available")

                        if i.sender:
                            print("Sender name : ", i.sender.name)
                            Senders.append(i.sender.name)
                        if not i.sender:
                            Senders.append("not available")

                        if i.datetime_received:
                            print("Time : ", i.datetime_received.date)
                            datetime_received.append(i.datetime_received.date)
                        if not i.datetime_received:
                            datetime_received.append("not available")

                        if i.has_attachments:
                            print("Has attachment: ", i.has_attachments)
                            has_attachment.append(i.has_attachments)
                        if not i.has_attachments:
                            has_attachment.append("not available")
                    
                    

# second approach.....................................................................
items_for_2019 = account.inbox.filter(start__range=(
    tz.localize(EWSDateTime(2019, 8, 1)),
    tz.localize(EWSDateTime(2020, 1, 1))
)) 

for i in items_for_2019:
    print("")



#third approach.........................................................................

for item in account.inbox.filter(datetime_received__range=(tz.localize(EWSDateTime(2019, 8, 1)),tz.localize(EWSDateTime(2020, 1, 1)))):
    print(item.sender.name)

first approach is working for specific month but extremely slow

second and third approach giving wrong output

不胜感激。

Answer 1

start 字段属于 CalendarItem。它不是 Message 个对象的有效字段。这就是为什么你的第二种方法不起作用。

您的第三种方法应该有效。您看到了哪个输出，您期望什么？

如果您的查询需要很长时间，请尝试使用 .only() QuerySet 方法限制您为每个项目提取的字段。

使用 Python 中的 "exchangelib" 在特定日期范围内（用户输入）从 Outlook 中的特定文件夹访问电子邮件

Access email from a particular folder in Outlook, within a specific date range (user Input) using "exchangelib" in Python

python

outlook

exchange-server

exchangewebservices

exchangelib