Python Django:如何确保通过表单发送的输入正确编码
我在使用Django的表单上遇到Unicode输入问题:Python Django:如何确保通过表单发送的输入正确编码,python,django,unicode,Python,Django,Unicode,我在使用Django的表单上遇到Unicode输入问题: UnicodeEncodeError at / 'ascii' codec can't encode character u'\xe4' in position 7: ordinal not in range(128) 这在gunicorn中发生,并且在调试模式下运行Django。My form.py已启用unicode: #!/usr/bin/python # -*- coding: utf-8 -*- from django i
UnicodeEncodeError at /
'ascii' codec can't encode character u'\xe4' in position 7: ordinal not in range(128)
这在gunicorn中发生,并且在调试模式下运行Django。My form.py已启用unicode:
#!/usr/bin/python
# -*- coding: utf-8 -*-
from django import forms
from django.core.mail import send_mail
from django.core.mail import EmailMessage
import datetime
class RTForm(forms.Form):
# ...
institution_station = forms.CharField(max_length=75, label=u"Institute/Station*")
# ...
该视图是基于该视图创建的,目的是通过输入建立电子邮件:
class RTview(FormView):
template_name = 'rt-form.html'
form_class = RTForm
success_url = '/thanks/'
def form_valid(self, form):
# This method is called when valid form data has been POSTed.
# It should return an HttpResponse.
form.send_email()
return super(RTview, self).form_valid(form)
发送电子邮件的功能如下所示:
def send_email(self):
email = EmailMessage(
subject='New item',
#body='Here is the message.',
from_email=self.cleaned_data['email'],
to=['foo@example.com'])
# The dict fields of the form contains all defined fields incl.
# their labels etc. So taking this we can match and check for the
# validated data to fullfill our task.
values = []
for i in self.fields.iteritems():
values.append(u"%s: \t%s" % (self[i[0]].label, str(self.cleaned_data[i[0]]) ) )
email.body = "\n".join(values)
email.send()
将unicode放入institution\u station
时,应用程序响应上述错误,在send\u email
中的values.append()
处失败
回溯看起来像:
Internal Server Error: /
Traceback (most recent call last):
File "/home/frlan/.virtualenvs/gascylinders/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 114, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/frlan/.virtualenvs/gascylinders/local/lib/python2.7/site-packages/django/views/generic/base.py", line 69, in view
return self.dispatch(request, *args, **kwargs)
File "/home/frlan/.virtualenvs/gascylinders/local/lib/python2.7/site-packages/django/views/generic/base.py", line 87, in dispatch
return handler(request, *args, **kwargs)
File "/home/frlan/.virtualenvs/gascylinders/local/lib/python2.7/site-packages/django/views/generic/edit.py", line 171, in post
return self.form_valid(form)
File "/home/frlan/quellen/git/gascylinders-rt-frontend/gascylinders/rtfrontend/views.py", line 12, in form_valid
form.send_email()
File "/home/frlan/quellen/git/gascylinders-rt-frontend/gascylinders/rtfrontend/forms.py", line 124, in send_email
values.append(u"%s: \t%s" % (self[i[0]].label, str(self.cleaned_data[i[0]]) ) )
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe4' in position 7: ordinal not in range(128)
我可能遗漏了什么?您插入的字符串不是unicode 试试这个:
values.append(u"%s: \t%s" % (unicode(self[i[0]].label), unicode(self.cleaned_data[i[0]]) ) )
我认为这里的问题是调用
str(self.cleaned_data[I[0]])
,这将从unicode值中创建一个字节字符串。例如,u“%s”%str(u“überwach!”)
将失败,其中u“%s”%unicode(u“überwach!”)
将正常工作(即使在这种情况下,unicode
调用是多余的……)
编辑:添加一些细节:str(u“überwach!”)
与UnicodeEncodeError
一起失败,因为在引擎盖下,它调用u“überwach!”。编码(“ascii”)
,但ascii无法处理umlauts
遗憾的是,我找不到文档中描述的这个beaviour(
str()
在unicode
对象上调用\uuuu str\uuuu
,但这是如何实现的?),但有关该主题的更多信息,请参阅刚刚添加的回溯。例如,在插入德国UMLAUT时发生。