我编写了一个向新闻稿库添加电子邮件的功能。直到我添加了已发送电子邮件的有效性检查,它都可以正常工作。现在,每次我得到“错误的电子邮件”作为回报。有人可以在这里看到任何错误吗?使用的正则表达式为:
\b[\w\.-]+@[\w\.-]+\.\w{2,4}\b并且它是100%有效的(http://gskinner.com/RegExr/),但是我可能使用它是错误的,或者它可能是一些逻辑错误:
\b[\w\.-]+@[\w\.-]+\.\w{2,4}\b
def newsletter_add(request): if request.method == "POST": try: e = NewsletterEmails.objects.get(email = request.POST['email']) message = _(u"Email is already added.") type = "error" except NewsletterEmails.DoesNotExist: if validateEmail(request.POST['email']): try: e = NewsletterEmails(email = request.POST['email']) except DoesNotExist: pass message = _(u"Email added.") type = "success" e.save() else: message = _(u"Wrong email") type = "error" import re def validateEmail(email): if len(email) > 6: if re.match('\b[\w\.-]+@[\w\.-]+\.\w{2,4}\b', email) != None: return 1 return 0
这是django.core.validators的一部分,你可能会觉得很有趣:)
django.core.validators
class EmailValidator(RegexValidator): def __call__(self, value): try: super(EmailValidator, self).__call__(value) except ValidationError, e: # Trivial case failed. Try for possible IDN domain-part if value and u'@' in value: parts = value.split(u'@') domain_part = parts[-1] try: parts[-1] = parts[-1].encode('idna') except UnicodeError: raise e super(EmailValidator, self).__call__(u'@'.join(parts)) else: raise email_re = re.compile( r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*" # dot-atom r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"' # quoted-string r')@(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+[A-Z]{2,6}\.?$', re.IGNORECASE) # domain validate_email = EmailValidator(email_re, _(u'Enter a valid e-mail address.'), 'invalid')
因此,如果你不想使用表单和表单字段,则可以email_re在函数中导入validate_email和使用它,甚至更好地导入和使用它,以获取可能ValidationError。
email_re
validate_email
ValidationError
def validateEmail( email ): from django.core.validators import validate_email from django.core.exceptions import ValidationError try: validate_email( email ) return True except ValidationError: return False