从 Microsoft Exchange Server 阅读电子邮件和下载附件

Question

connect-to-exchange-mailbox-with-python/3072491....我参考了以下链接以连接到 Exchange Online 并下载附件并在 windows 上阅读邮件（使用 Python 和 exchangelib 库）。现在我想在 CentOS 上完成同样的任务，但是当我手动下载 exchangelib 库并安装它时。 每当我尝试导入 exchangelib 时，它都会引发如下错误：

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "exchangelib/__init__.py", line 2, in <module>
    from .account import Account  # noqa
  File "exchangelib/account.py", line 8, in <module>
    from cached_property import threaded_cached_property
ImportError: No module named cached_property

可能是什么问题？

我的主要目标是阅读电子邮件并下载它们。没有可用的 imap/pop3 服务器地址。 exchangelib 有替代品吗？

from exchangelib import DELEGATE, Account, Credentials

credentials = Credentials(
    username='MYWINDOMAIN\\myusername', 
    password='topsecret'
)
account = Account(
    primary_smtp_address='john@example.com', 
    credentials=credentials, 
    autodiscover=True, 
    access_type=DELEGATE
)
# Print first 100 inbox messages in reverse order
for item in account.inbox.all().order_by('-datetime_received')[:100]:
    print(item.subject, item.body, item.attachments)

我在 Windows 中使用过此代码。帮我搞定 Linux。

Answer 1

exchangelib 依赖于各种 3rd 方包，所以你不能只下载和导入包。您需要使用pip 安装它才能自动安装这些软件包：

$ pip install exchangelib

Answer 2

这是您阅读所有电子邮件并使用exchangelib 存储所有附件的方式：

from exchangelib import ServiceAccount, Configuration, Account, DELEGATE
import os

from config import cfg


credentials = ServiceAccount(username=cfg['imap_user'],
                             password=cfg['imap_password'])

config = Configuration(server=cfg['imap_server'], credentials=credentials)
account = Account(primary_smtp_address=cfg['smtp_address'], config=config,
                  autodiscover=False, access_type=DELEGATE)


unread = account.inbox.filter()   # returns all mails
for msg in unread:
    print(msg)
    print("attachments       ={}".format(msg.attachments))
    print("conversation_id   ={}".format(msg.conversation_id))
    print("last_modified_time={}".format(msg.last_modified_time))
    print("datetime_sent     ={}".format(msg.datetime_sent))
    print("sender            ={}".format(msg.sender))
    print("text_body={}".format(msg.text_body.encode('UTF-8')))
    print("#" * 80)
    for attachment in msg.attachments:
        fpath = os.path.join(cfg['download_folder'], attachment.name)
        with open(fpath, 'wb') as f:
            f.write(attachment.content)

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