嗨我怎样才能获得与WTForms的HTTP帖子中的变量时,该帖子是用blobstoreuploadhandler
完成的,最好还有用于验证的i18n本地化消息? 这是我的代码不工作:与GAE(和WTForms)的HTTP帖子
class AdForm(Form):
name = TextField(_('Name'))
title = TextField(_('title'))
text = TextAreaField(_('Text'),widget=TextArea())
phonenumber = TextField(_('Phone number'))
phonenumberhide = BooleanField(_('Display phone number on site'))
price = TextField(_('Price'))
password = PasswordField(_('Password'))
email = TextField(_('Email'))
当我尝试访问通过表单提交的数据的数据证明为None
:
form = AdForm(data=self.request.POST)
if form.title:
logging.info('getting title:'+form.title.data)
ad.title = form.title.data
ad.save()
以上不保存任何东西到数据存储,这是它来自的模板
<div class="labelform">
<div class="labelform" style="clear:left;">
<label> {% filter capitalize %}{% trans %}title{% endtrans %}{% endfilter %}:</label>
</div>
</div>
</td><td>
{{ form.title }}{% if form.title.errors %}
<ul class="errors">{% for error in form.title.errors %}<li>{{ error }}</li>{% endfor %}</ul>
{% endif %}
你能帮助我吗? WTForms manual about appengine有一些东西,但我找不到一个工作示例。
更新
我添加了验证测试,我仍然无法访问的变量:
logging.info('getting requests')
if form.validate():
if form.title:
logging.info('getting title:'+form.title.data)
ad.title = form.title.data
ad.save()
ad.put()
记录输出:
信息2011-11-05 23:17 :24,653 main.py:1504]获取请求信息
2011-11-05 23:17:24,653 main.py:1507]获取标题:
更新2
我删除了WTForms依赖和它仍然没有工作。该生产线logging.info('getting data:'+ self.request.get('title', '0'))
只输出0即使窗体只是一个普通的HTTP POST形式:
<form action="{{form_url}}" name="upload" method="post" enctype="multipart/form-data" accept-charset="utf-8">
更新3
这个最小配置,没有WTForms并没有神社的作品因此它可能是一些与神社时该准系统例子使用webapp2的和Python 2.7我要去哪里的行添加错误的代码行排查:
class GuestPage(BaseHandler):
def get(self):
self.response.out.write("""
<html>
<body>
<form action="/sign" method="post">
<div><textarea name="content" rows="3" cols="60"></textarea></div>
<div><input type="submit" value="Sign Guestbook"></div>
</form>
</body>
</html>""")
class Guestbook(BaseHandler, I18NHandler, blobstore_handlers.BlobstoreUploadHandler):
csrf_protect = False
def post(self):
self.response.out.write('<html><body>You wrote:<pre>')
self.response.out.write(self.request.get('content'))
self.response.out.write('</pre></body></html>')
app = webapp2.WSGIApplication([ ('/guest', GuestPage),
('/sign', Guestbook),
...
更新4
我回到基础正在与神社,所以我想我只是建立在这个例子中,看看它打破:
class GuestPage(BaseHandler):
def get(self):
self.render_jinja('form_jinja')
class Guestbook(BaseHandler, I18NHandler, blobstore_handlers.BlobstoreUploadHandler):
csrf_protect = False
def post(self):
self.response.out.write('<html><body>You wrote:<pre>')
self.response.out.write(self.request.get('content'))
self.response.out.write('</pre></body></html>')
更新5
我可以通过这个不能访问http post变量的最小示例重现错误:
class GuestPage(webapp2.RequestHandler):
def get(self):
self.response.out.write("""
<html>
<body>
<form action=" """ +blobstore.create_upload_url('/sign')+ """ " method="post">
<div><textarea name="content" rows="3" cols="60"></textarea></div>
<div><input type="submit" value="Sign Guestbook"></div>
</form>
</body>
</html>""")
class Guestbook(blobstore_handlers.BlobstoreUploadHandler):
def post(self):
self.response.out.write('<html><body>You wrote:<pre>')
self.response.out.write(self.request.get('content'))
self.response.out.write('</pre></body></html>')
app = webapp2.WSGIApplication([ ('/guest', GuestPage),
('/sign', Guestbook),
更新6
从blobstoreuploadhandler的留言示例代码我可以上传一个文件在生产服务器上,所以我可以做一个使用blobstoreuploadhandler,我将尝试建立对我的使用工作示例案件。
更新7
我能得到我的原代码,使一切工作除了斑点转移。我怀疑dev_appserver和我发布到google appengine组的差异。我们将看到它的进展情况。
更新8 下面是另一个常见的用途没有什么是如何工作的,当您添加WTForms:
logging.info('getting data:'+ self.request.get('title', '0'))
logging.info('http post data:'+ str(self.request.post))
form = AdForm(formdata=self.request.data)
logging.info('populated form')
logging.info('form data:' + str(form.formdata))
if form.validate():
if form.title:
logging.info('getting title:'+str(form.get('title')))
ad.title = form.title.data ad.save() ad.put()
if form.text:
logging.info('getting text:' +str(form.text))
ad.text = form.text.data
if self.request.get('currency'):
ad.currency = self.request.get('currency')
if self.request.get('cg'):
ad.category = form.cg.data
if self.request.get('company_ad') == '1':
ad.company_ad = True
ad.put()
else:
logging.info('form did not validate')
except Exception, ex:
logging.info('there occured exception %s', str(ex))
信息2011-11-09 12:11:50868 main.py:1385]获取数据: TEST信息 2011-11-09 12:11:50868 main.py:1409]有发生异常后
更新9
最后,表单填充它只是不验证。谢谢肖恩的信息,让我进一步。现在,我拿过去填充表单对象也不例外,但是当我尝试验证出现异常:
logging.info('getting data:'+ self.request.get('title', '0'))
form = AForm(self.request.POST)
logging.info('populated form')
if form.validate():
logging.info('validated form')
上面的代码记录输出:
INFO 2011-11-11 08:03:59,913 main.py:1387] getting data:TEST
INFO 2011-11-11 08:03:59,914 main.py:1390] populated form
INFO 2011-11-11 08:03:59,914 main.py:1412] there occured exception 'builtin_function_or_method' object is not iterable
什么是例外呢?
我的表单类是
class AForm(Form):
name = TextField(_('Name'))
title = TextField(_('title'))
text = TextAreaField(_('Text'),widget=TextArea())
phonenumber = TextField(_('Phone number'))
phonenumberhide = BooleanField(_('Display phone number on site'))
price = TextField(_('Price'))
password = PasswordField(_('Password'))
email = TextField(_('Email'))
category = SelectField(choices=categories.keys)
+1的*非常*详细讨论的文档冲 - 和感谢您保持此问题的更新! –
使用'self.request.params'似乎我可以使它工作。这是一个与此有关的重复问题http://stackoverflow.com/questions/2978986/wtfroms-errortypeerror-formdata-should-be-a-multidict-type-wrapper –