После успешного входа я сохраняю объект user (из запроса) в словарь session.
Когда я пытаюсь получить доступ к атрибуту объекта в моем шаблоне Jinja, я получаю сообщение об ошибке.
Ниже приведены коды для затронутых частей:
Файл "views.py" Python:
session['in_session'] = True
session['active_user'] = user
Файл Jinja2 "base.html":
{% if session.in_session %}
<li><a href="">Signed in as {{session.active_user.username|safe|title}}!</a></li>
{%endif%}
EDIT-1:
Вот ошибка traceback:
TypeError
TypeError: не сериализуемый JSON Traceback (последний последний вызов)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 1479, in full_dispatch_request
response = self.process_response(response)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 1693, in process_response
self.save_session(ctx.session, response)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/app.py", line 837, in save_session
return self.session_interface.save_session(self, session, response)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/sessions.py", line 326, in save_session
val = self.get_signing_serializer(app).dumps(dict(session))
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/itsdangerous.py", line 537, in dumps
payload = want_bytes(self.dump_payload(obj))
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/itsdangerous.py", line 809, in dump_payload
json = super(URLSafeSerializerMixin, self).dump_payload(obj)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/itsdangerous.py", line 522, in dump_payload
return want_bytes(self.serializer.dumps(obj))
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/sessions.py", line 85, in dumps
return json.dumps(_tag(value), separators=(',', ':'))
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/json.py", line 126, in dumps
rv = _json.dumps(obj, **kwargs)
File "/usr/lib/python2.7/json/__init__.py", line 250, in dumps
sort_keys=sort_keys, **kw).encode(obj)
File "/usr/lib/python2.7/json/encoder.py", line 209, in encode
chunks = list(chunks)
File "/usr/lib/python2.7/json/encoder.py", line 434, in _iterencode
for chunk in _iterencode_dict(o, _current_indent_level):
File "/usr/lib/python2.7/json/encoder.py", line 408, in _iterencode_dict
for chunk in chunks:
File "/usr/lib/python2.7/json/encoder.py", line 442, in _iterencode
o = _default(o)
File "/home/acetakwas/web_dev/flask/flask_venv/lib/python2.7/site-packages/flask/json.py", line 83, in default
return _json.JSONEncoder.default(self, o)
File "/usr/lib/python2.7/json/encoder.py", line 184, in default
raise TypeError(repr(o) + " is not JSON serializable")
TypeError: <User 2: u'tak'; u'[email protected]'> is not JSON serializable
EDIT-2:
Я только что понял, что проблема связана с сохранением объекта user, возвращаемого из моего запроса, в качестве словарного значения. Итак, если у меня есть класс User, который расширяет Model (из библиотеки SQLAlchemy), сделать что-то вроде этого не удастся:
session['active_user'] = User.query.filter_by(username='my_user_name').first()
Почему?
