[英]Can't save datetime.now() to DateTimeField
我已經定義了一個模型,如下所示(對問題進行了簡化)
from datetime import datetime, date, timedelta
class Case(models.Model):
received_email_sent = models.DateTimeField(null=True, blank=True, default=None)
def send_received_email(self):
message = settings.EMAIL_HEADER + self.case_received_email() + settings.EMAIL_FOOTER
send_mail('Subject here', message, settings.EMAIL_HOST_USER, ['xxx@xxx.com'], fail_silently=False)
self.received_email_sent = datetime.now()
在視圖中,我對現有對象調用send_received_email。 我知道輸入了send_received_email塊是因為每次測試時都會收到電子郵件,但是self.received_email_sent = datetime.now()
部分每次都會將該字段保留為其默認值(無)。 這是視圖的相關部分:
from logbook.models import Case
def job_email(request, case_id):
case = get_object_or_404(Case,pk=case_id)
case.send_received_email()
return HttpResponseRedirect('/jobs/'+str(case.case_id))
我還嘗試了一種替代方法,其中保存字段是在視圖中而不是模型中完成,如下所示:
楷模:
class Case(models.Model):
received_email_sent = models.DateTimeField(null=True, blank=True, default=None)
def send_received_email(self):
message = settings.EMAIL_HEADER + self.case_received_email() + settings.EMAIL_FOOTER
send_mail('Subject here', message, settings.EMAIL_HOST_USER, ['xxx@xxx.com'], fail_silently=False)
#self.received_email_sent = datetime.now()
意見:
from datetime import datetime
from logbook.models import Case
def job_email(request, case_id):
case = get_object_or_404(Case,pk=case_id)
case.send_received_email()
case.received_email_sent = datetime.now()
return HttpResponseRedirect('/jobs/'+str(case.case_id))
我還嘗試了上述兩種路線,並進行了各種調整,例如移除now()上的括號,並將from datetime import datetime
更改為import datetime
。 不開心 感謝您對此的關注。
您需要在self.save()
的末尾調用send_received_email()
。
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