我的IDE PyCharm在以下代码中抱怨变量response，即使代码正在工作，它也被标记为红色，表示未解析的引用。我想修复它，我想问题是我没有导入响应类。我该怎么做？应该从哪里进口？
class Base2Handler(BaseRequestHandler):
@webapp2.cached_property
def jinja2(self):
return jinja2.get_jinja2(app=self.app)
facebook = None
#user = None
csrf_protect = True
def render_template(self, file, template_args):
path = os.path.join(os.path.dirname(__file__), 'templates',
file)
self.response.out.write(template.render(path, template_args))
def render_json(self, response):
self.response.write("%s(%s);" % (self.request.GET['callback'],
json.dumps(response)))
def dispatch(self):
# Get a session store for this request.
self.session_store = sessions.get_store(request=self.request)
if self.request.host.find('.br') > 0: # for a Brazilian domain that uses Portuguese
i18n.get_i18n().set_locale('pt-br')
else:
lang_code = self.session.get('HTTP_ACCEPT_LANGUAGE', None)
if not lang_code:
lang_code = os.environ.get('HTTP_ACCEPT_LANGUAGE')
if lang_code:
i18n.get_i18n().set_locale(lang_code)
lang_code_get = self.request.get('hl', None)
if lang_code_get:
self.session['HTTP_ACCEPT_LANGUAGE'] = lang_code_get
i18n.get_i18n().set_locale(lang_code_get)
try:
# Dispatch the request.
webapp2.RequestHandler.dispatch(self)
finally:
# Save all sessions.
self.session_store.save_sessions(self.response)
@webapp2.cached_property
def session(self):
# Returns a session using the default cookie key.
return self.session_store.get_session()
@property
def current_email(self):
if not hasattr(self, '_current_email'):
self._current_email = None
host = self.request.host
if host.find('.br') > 0:
email = 'Montao.com.br <[email protected]>'
else:
email = 'Kool Business <[email protected]>'
self._current_email = email
return self._current_email
@property
def current_host(self):
if not hasattr(self, '_current_host'):
self._current_host = self.request.host
return self._current_host
@property
def current_logo(self):
if not hasattr(self, '_current_logo'):
self._current_logo = self.request.host.replace('www', '')
return self._current_logo
def initialize(self, request, response):
"""General initialization for every request"""
super(Base2Handler, self).initialize(request, response)
try:
self.init_csrf()
self.response.headers['P3P'] = 'CP=HONK' # iframe cookies in IE
# Decide the language
if self.request.host.find('montao.com.br') > 0:
i18n.get_i18n().set_locale('pt-br')
elif self.request.host.find('gralumo.com') > 0:
i18n.get_i18n().set_locale('es-ar')
except Exception, ex:
self.log_exception(ex)
raise
def handle_exception(self, ex, debug_mode):
"""Invoked for unhandled exceptions by webapp"""
self.log_exception(ex)
self.render('error', trace=traceback.format_exc(),
debug_mode=debug_mode)
def log_exception(self, ex):
"""Internal logging handler to reduce some App Engine noise in errors"""
msg = (str(ex) or ex.__class__.__name__) + ': \n' \
+ traceback.format_exc()
if isinstance(ex, urlfetch.DownloadError) or isinstance(ex,
CsrfException) or isinstance(ex,
taskqueue.TransientError):
logging.warn(msg)
else:
logging.error(msg)
def set_cookie(
self,
name,
value,
expires=None,
):
if value is None:
value = 'deleted'
expires = datetime.timedelta(minutes=-50000)
jar = Cookie.SimpleCookie()
jar[name] = value
jar[name]['path'] = '/'
if expires:
if isinstance(expires, datetime.timedelta):
expires = datetime.datetime.now() + expires
if isinstance(expires, datetime.datetime):
expires = expires.strftime('%a, %d %b %Y %H:%M:%S')
jar[name]['expires'] = expires
self.response.headers.add_header(*jar.output().split(': ', 1))
def set_webapp2_cookie(
self,
name,
value,
expires=None,
):
if value is None:
self.response.delete_cookie(name)
if expires:
if isinstance(expires, datetime.timedelta):
expires = datetime.datetime.now() + expires
if isinstance(expires, datetime.datetime):
expires = expires.strftime('%a, %d %b %Y %H:%M:%S')
response.set_cookie(
name,
value,
max_age=expires,
path='/',
domain=self.request.host.replace('www', ''),
secure=True,
)
def render_jinja(self, name,
**data): # if we put two stars in front of the dictionary when calling the function, the dictionary is transformed into named arguments
logo_url = '/_/img/kool_business.png'
if self.request.host.find('.br') > 0:
logo_url = '/_/img/montao_small.gif'
if not data:
data = {}
data['logged_in_user'] = self.current_user
data['message'] = self.get_message()
data['csrf_token'] = self.csrf_token
data['user'] = self.current_user #users.get_current_user()
#user = users.get_current_user()
host = self.request.host
data['host'] = host
data['logo'] = host.replace('www.', '').capitalize()
data['user_url'] = \
(users.create_logout_url(self.request.uri) if users.get_current_user() else users.create_login_url(
self.request.uri))
data['request'] = self.request
data['logo_url'] = logo_url
data['admin'] = users.is_current_user_admin()
self.response.write(self.jinja2.render_template(name + '.html',
**data))
def render(self, name, **data):
logo = 'Koolbusiness.com'
logo_url = '/_/img/kool_business.png'
domain = 'koolbusiness'
if not data:
data = {}
data['message'] = self.get_message()
data['csrf_token'] = self.csrf_token
data['user'] = users.get_current_user()
data['login_url'] = users.create_login_url(self.request.uri)
host = self.request.host
data['host'] = host
if host.find('.br') > 0:
logo_url = '/_/img/montao_small.gif'
data['logo'] = logo
data['logo_url'] = logo_url
data['user_url'] = \
(users.create_logout_url(self.request.uri) if users.get_current_user() else users.create_login_url(
self.request.uri))
data['admin'] = users.is_current_user_admin()
self.response.out.write(template.render(os.path.join(os.path.dirname(__file__),
'templates', name + '.html'), data))
def init_csrf(self):
"""Issue and handle CSRF token as necessary"""
self.csrf_token = self.request.cookies.get('c')
if not self.csrf_token:
self.csrf_token = str(uuid4())[:8]
self.set_cookie('c', self.csrf_token)
# if self.request.method == 'POST' and self.csrf_protect \
# and self.csrf_token != self.request.get('_csrf_token'):
# raise CsrfException('Missing or invalid CSRF token.')
def set_message(self, **obj):
"""Simple message support"""
self.set_cookie('m',
(base64.b64encode(json.dumps(obj)) if obj else None))
def get_message(self):
"""Get and clear the current message"""
message = self.request.cookies.get('m')
if message:
self.set_message() # clear the current cookie
return json.loads(base64.b64decode(message))
最佳答案
右侧滚动条上的红色凹口可以使您靠近，并且应该看到有问题的代码用红色下划线标出。将编辑器光标放在带下划线的文本上，Ctrl + 1会为您提供详细信息。
更好的是：代码->检查代码应准确显示投诉所针对的行。
缺少“自我”。在set_webapp2_cookie（）中？
response.set_cookie(
关于python - 从哪里可以导入webapp2响应类？，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/29658196/