按照本教程,我将django应用程序部署到RHEL 8服务器: https://www.digitalocean.com/community/tutorials/how-to-set-up-django-with-postgres-nginx-and-gunicorn-on-centos-7
内部django web服务器在
python manage.py runserver 0:8000
无论如何,guniserver在debug false中没有.500内部服务器错误,否则会出现以下问题:
^{pr2}$回溯:
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/tweepy/binder.py" in execute
189. proxies=self.api.proxy)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/sessions.py" in request
519. prep = self.prepare_request(req)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/sessions.py" in prepare_request
462. hooks=merge_hooks(request.hooks, self.hooks),
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/models.py" in prepare
317. self.prepare_auth(auth, url)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/models.py" in prepare_auth
548. r = auth(self)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests_oauthlib/oauth1_auth.py" in __call__
88. unicode(r.url), unicode(r.method), None, r.headers)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/__init__.py" in sign
313. ('oauth_signature', self.get_oauth_signature(request)))
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/__init__.py" in get_oauth_signature
127. uri, headers, body = self._render(request)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/__init__.py" in _render
210. request.oauth_params, request.headers, realm=realm)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/utils.py" in wrapper
32. return target(params, *args, **kwargs)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/parameters.py" in prepare_headers
59. escaped_value = utils.escape(value)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/utils.py" in escape
57. 'Got %r of type %s.' % (u, type(u)))
During handling of the above exception (Only unicode objects are escapable. Got None of type <class 'NoneType'>.), another exception occurred:
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/django/core/handlers/exception.py" in inner
34. response = get_response(request)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
115. response = self.process_exception_by_middleware(e, request)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
113. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/ec2-user/django_sentiment/twitter/views.py" in index
55. public_tweets = getTweets(hashtag)
File "/home/ec2-user/django_sentiment/twitter/views.py" in getTweets
21. return api.search(hashtag, tweet_mode='extended', count=100)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/tweepy/binder.py" in _call
250. return method.execute()
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/tweepy/binder.py" in execute
191. six.reraise(TweepError, TweepError('Failed to send request: %s' % e), sys.exc_info()[2])
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/six.py" in reraise
692. raise value.with_traceback(tb)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/tweepy/binder.py" in execute
189. proxies=self.api.proxy)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/sessions.py" in request
519. prep = self.prepare_request(req)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/sessions.py" in prepare_request
462. hooks=merge_hooks(request.hooks, self.hooks),
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/models.py" in prepare
317. self.prepare_auth(auth, url)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests/models.py" in prepare_auth
548. r = auth(self)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/requests_oauthlib/oauth1_auth.py" in __call__
88. unicode(r.url), unicode(r.method), None, r.headers)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/__init__.py" in sign
313. ('oauth_signature', self.get_oauth_signature(request)))
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/__init__.py" in get_oauth_signature
127. uri, headers, body = self._render(request)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/__init__.py" in _render
210. request.oauth_params, request.headers, realm=realm)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/utils.py" in wrapper
32. return target(params, *args, **kwargs)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/parameters.py" in prepare_headers
59. escaped_value = utils.escape(value)
File "/home/ec2-user/django_sentiment/env/lib/python3.7/site-packages/oauthlib/oauth1/rfc5849/utils.py" in escape
57. 'Got %r of type %s.' % (u, type(u)))
Exception Type: TweepError at /
Exception Value: Failed to send request: Only unicode objects are escapable. Got None of type <class 'NoneType'>.
在要求.txt文件:
astroid==2.2.5
autopep8==1.4.4
certifi==2019.6.16
chardet==3.0.4
Django==2.2.5
gunicorn==19.9.0
idna==2.8
isort==4.3.21
lazy-object-proxy==1.4.2
MarkupSafe==1.1.1
mccabe==0.6.1
oauthlib==3.1.0
pycodestyle==2.5.0
pylint==2.3.1
PySocks==1.7.0
pytz==2019.2
requests==2.22.0
requests-oauthlib==1.2.0
selenium==3.141.0
six==1.12.0
sqlparse==0.3.0
style==1.1.0
tweepy==3.8.0
typed-ast==1.4.0
update==0.0.1
urllib3==1.25.3
vaderSentiment==3.2.1
wrapt==1.11.2
我仔细检查了我的env变量和设置.py. 一切似乎都很好。在
Description=gunicorn daemon
After=network.target
[Service]
User=ec2-user
Group=nginx
WorkingDirectory=/home/ec2-user/django_sentiment
ExecStart=/home/ec2-user/django_sentiment/env/bin/gunicorn \
--access-logfile - \
--workers 3 \
--bind unix:/home/ec2-user/run/django_sentiment.sock \
sentiment.wsgi:application \
[Install]
WantedBy=multi-user.target
Description=gunicorn daemon
After=network.target
它正确地创建了套接字文件,nginx可以很好地读取该文件。在
看起来你在用tweepy从tweets中获取情感。您需要Twitter API凭据才能这样做。这个错误的意思是您的一些API凭证是
None
。您应该确保存储API凭据的任何环境变量都已正确设置。应该有4个:您可以使用一个小python脚本来测试tweepy API是否正常工作:
您可能需要更改环境变量名以匹配您所拥有的。在
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