Python 如何将exchange文件附件传递到pd.read\u excel?
我使用exchangelib创建了一个过滤器,以获取包含.xlsx文件的多封电子邮件。下一步应该放在一个pd.DataFrame中 当我在迭代过滤器时尝试Python 如何将exchange文件附件传递到pd.read\u excel?,python,pandas,exchangelib,Python,Pandas,Exchangelib,我使用exchangelib创建了一个过滤器,以获取包含.xlsx文件的多封电子邮件。下一步应该放在一个pd.DataFrame中 当我在迭代过滤器时尝试pd.read\u excel()时,我无法将attachment.content传递到pd.read\u excel 我尝试过几种组合,如pd.read\u excel(attachment.content),pd.read\u excel(open(attachment.content,'rb'))。我最后一次尝试io.BytesIO时,请
pd.read\u excel()
时,我无法将attachment.content传递到pd.read\u excel
我尝试过几种组合,如pd.read\u excel(attachment.content)
,pd.read\u excel(open(attachment.content,'rb'))
。我最后一次尝试io.BytesIO时,请参见以下内容:
import pandas as pd
import exchangelib
from exchangelib import EWSTimeZone,EWSDateTime,FileAttachment,HTMLBody
import datetime
from dateutil.parser import parse
from ipywidgets import interact
from ipywidgets import interact_manual
import io
def get_outages(filterstart,filterende,location):
credentials = exchangelib.Credentials('my.user@provider.com', 'passwd')
account = exchangelib.Account('my.user@provider.com', credentials=credentials, autodiscover=True)
tz = EWSTimeZone.localzone()
myfolder_delay = account.inbox/'Delay'
outages=pd.DataFrame
filterstart=datetime.datetime.strptime(filterstart,"%d.%m.%Y %H:%M")
filterende=datetime.datetime.strptime(filterende,"%d.%m.%Y %H:%M")
#filterstart=filterstart+datetime.timedelta(hours=1)
filterende=filterende+datetime.timedelta(hours=1)
filter = myfolder_delay.filter(datetime_received__range=tz.localize(EWSDateTime(filterstart.year, filterstart.month, filterstart.day, filterstart.hour, filterstart.minute)), tz.localize(EWSDateTime(filterende.year, filterende.month, filterende.day, filterende.hour, filterende.minute))))
for item in filter:
print(item.subject)
for attachment in item.attachments:
stream_str = io.BytesIO(attachment.content)
outages=pd.read_excel(stream_str.getvalue(),engine='xlrd')
interact_manual(get_outages, filterstart='11.07.2018 00:00',
filterende='11.07.2018 23:59',location='Location')
**ValueError**
.
.
.
~\AppData\Local\Continuum\anaconda3\lib\site-packages\pandas\io\excel.py in __init__(self, io, **kwds)
394 self.book = xlrd.open_workbook(self._io)
395 else:
--> 396 raise ValueError('Must explicitly set engine if not passing in'
397 ' buffer or path for io.')
398
ValueError: Must explicitly set engine if not passing in buffer or path for io.
read\u excel()
需要类似文件的对象或文件路径,但attachment.content
是bytes
对象。您可以将内容写入文件并指向read\u excel()
,也可以将内容转换为字节IO
。类似的方法应该可以工作(未经测试):
read\u excel()
需要类似文件的对象或文件路径,但attachment.content
是bytes
对象。您可以将内容写入文件并指向read\u excel()
,也可以将内容转换为字节IO
。类似的方法应该可以工作(未经测试):
很好,这很有效。顺便说一下,我已经在各种脚本中使用了exchanglib模块,非常好的工作和强大的支持!谢谢你的好话:-)很好,这很有效。顺便说一下,我已经在各种脚本中使用了exchanglib模块,非常好的工作和强大的支持!谢谢你的好话:-)
from io import BytesIO
import pandas as pd
pd.read_excel(BytesIO(attachment.content))