题
我想在我的项目之一,以创建一个IDN感知formencode验证程序使用。我使用的代码的一部分从Django项目(http://code.djangoproject.com/svn/django/trunk/django/core/validators.py)要做到这一点,但必须有在我的代码我一个简单的错误找不到:
class Email(formencode.validators.Email):
def _to_python(self, value, state):
try:
return super(Email, self)._to_python(value, state)
except formencode.Invalid as e:
# Trivial case failed. Try for possible IDN domain-part
print 'heywo !'
if value and u'@' in value:
parts = value.split(u'@')
try:
parts[-1] = parts[-1].encode('idna')
except UnicodeError:
raise e
try:
super(Email, self)._to_python(u'@'.join(parts), state)
except formencode.Invalid as ex:
raise ex
return value
else:
raise e
当我尝试验证与IDN域的电子邮件(例如:test@wääl.de),由所述第一呼叫中提出的无效抛出异常,和代码的第一除永远不会执行后(的部分'heywo !”从不打印)。
有是一个例子:
>>> from test.lib.validators import Email
>>> Email().to_python(u'test@zääz.de')
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/usr/local/lib/python2.6/dist-packages/FormEncode-1.2.3dev-py2.6.egg/formencode /api.py", line 416, in to_python
vp(value, state)
File "/usr/local/lib/python2.6/dist-packages/FormEncode-1.2.3dev-py2.6.egg/formencode /validators.py", line 1352, in validate_python
value, state)
Invalid: The domain portion of the email address is invalid (the portion after the @: z\xe4\xe4z.de)
我做了什么错?
感谢。
解决方案
好,找到了答案。我是超载_to_python
的validate_python
代替。类现在看起来像:
class Email(formencode.validators.Email):
def validate_python(self, value, state):
try:
super(Email, self).validate_python(value, state)
except formencode.Invalid as e:
# Trivial case failed. Try for possible IDN domain-part
if value and u'@' in value:
parts = value.split(u'@')
try:
parts[-1] = parts[-1].encode('idna')
except UnicodeError:
raise e
try:
super(Email, self).validate_python(u'@'.join(parts), state)
except formencode.Invalid as ex:
raise ex
else:
raise e
它的工作完美:)
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