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I am currently going through 'The Definitive Guide to Celery and Django' course by testdriven.io. I've managed to containerize the whole application. Everything was built correctly and seemed to work just fine, but when I tried to enter the Django shell and run a task, to ensure everything works correctly, the following error appeared.
>>> divide.delay(1, 2)
Traceback (most recent call last):
File "/usr/local/lib/python3.10/site-packages/kombu/utils/functional.py", line 30, in __call__
return self.__value__
AttributeError: 'ChannelPromise' object has no attribute '__value__'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 446, in _reraise_as_library_errors
yield
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 433, in _ensure_connection
return retry_over_time(
File "/usr/local/lib/python3.10/site-packages/kombu/utils/functional.py", line 312, in retry_over_time
return fun(*args, **kwargs)
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 877, in _connection_factory
self._connection = self._establish_connection()
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 812, in _establish_connection
conn = self.transport.establish_connection()
File "/usr/local/lib/python3.10/site-packages/kombu/transport/pyamqp.py", line 201, in establish_connection
conn.connect()
File "/usr/local/lib/python3.10/site-packages/amqp/connection.py", line 323, in connect
self.transport.connect()
File "/usr/local/lib/python3.10/site-packages/amqp/transport.py", line 129, in connect
self._connect(self.host, self.port, self.connect_timeout)
File "/usr/local/lib/python3.10/site-packages/amqp/transport.py", line 184, in _connect
self.sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/usr/local/lib/python3.10/site-packages/celery/app/task.py", line 425, in delay
return self.apply_async(args, kwargs)
File "/usr/local/lib/python3.10/site-packages/celery/app/task.py", line 575, in apply_async
return app.send_task(
File "/usr/local/lib/python3.10/site-packages/celery/app/base.py", line 788, in send_task
amqp.send_task_message(P, name, message, **options)
File "/usr/local/lib/python3.10/site-packages/celery/app/amqp.py", line 510, in send_task_message
ret = producer.publish(
File "/usr/local/lib/python3.10/site-packages/kombu/messaging.py", line 177, in publish
return _publish(
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 523, in _ensured
return fun(*args, **kwargs)
File "/usr/local/lib/python3.10/site-packages/kombu/messaging.py", line 186, in _publish
channel = self.channel
File "/usr/local/lib/python3.10/site-packages/kombu/messaging.py", line 209, in _get_channel
channel = self._channel = channel()
File "/usr/local/lib/python3.10/site-packages/kombu/utils/functional.py", line 32, in __call__
value = self.__value__ = self.__contract__()
File "/usr/local/lib/python3.10/site-packages/kombu/messaging.py", line 225, in <lambda>
channel = ChannelPromise(lambda: connection.default_channel)
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 895, in default_channel
self._ensure_connection(**conn_opts)
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 432, in _ensure_connection
with ctx():
File "/usr/local/lib/python3.10/contextlib.py", line 153, in __exit__
self.gen.throw(typ, value, traceback)
File "/usr/local/lib/python3.10/site-packages/kombu/connection.py", line 450, in _reraise_as_library_errors
raise ConnectionError(str(exc)) from exc
kombu.exceptions.OperationalError: [Errno 111] Connection refused
I've done a quick research and in most cases it seemed to be a lack of the following lines
from config.celery import app as celery_app
__all__ = ['celery_app']
in the config.__init__.py, but it's clearly not an issue here.
I also double checked whether redis container is up and listening on port 6379.
The only difference between my code and the course code is that I decided to use Poetry package manager instead of requirements.txt file and pip.
At this point I am a little bit confused I'll be thankful for any tip. You can find the whole code below:
https://github.com/Kibraks/django-celery-app
I'm trying to deploy my telegram-bot on PythonAnywhere. It has worked fine with the free account but there are some troubles with the paid one. I'm getting "OpenSSL.SSL.Error: [('SSL routines', 'ssl3_get_record', 'decryption failed or bad record mac')]" messages in Error logs (accordingly bot works wrong). How can I solve it?
I'm using python3.7 + pyTelegramBotAPI + flask
Code example for error reproducing:
# coding=utf-8
import telebot
import flask
import time
token = 'bot_token'
bot = telebot.TeleBot(token, threaded=False)
WEBHOOK_HOST = '*userName*.pythonanywhere.com'
WEBHOOK_URL_BASE = "https://%s" % (WEBHOOK_HOST)
WEBHOOK_URL_PATH = "/%s/" % (token)
app = flask.Flask(__name__)
# Process webhook calls
#app.route(WEBHOOK_URL_PATH, methods=['POST'])
def webhook():
if flask.request.headers.get('content-type') == 'application/json':
json_string = flask.request.get_data().decode('utf-8')
update = telebot.types.Update.de_json(json_string)
bot.process_new_updates([update])
return ''
else:
flask.abort(403)
#bot.message_handler(commands=['start', 'help'])
def handle_start_help(message):
bot.send_message(message.chat.id, text="Hello, my friend")
bot.remove_webhook()
time.sleep(0.1)
bot.set_webhook(url=WEBHOOK_URL_BASE + WEBHOOK_URL_PATH)
Full error trace:
2018-10-30 12:40:33,351: Exception on /*token*/ [POST]
Traceback (most recent call last):
File "/usr/lib/python3.7/site-packages/flask/app.py", line 2292, in wsgi_app
response = self.full_dispatch_request()
File "/usr/lib/python3.7/site-packages/flask/app.py", line 1815, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/lib/python3.7/site-packages/flask/app.py", line 1718, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/lib/python3.7/site-packages/flask/_compat.py", line 35, in reraise
raise value
File "/usr/lib/python3.7/site-packages/flask/app.py", line 1813, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/lib/python3.7/site-packages/flask/app.py", line 1799, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/kleratoni/bot/bot/Main.py", line 90, in webhook
bot.process_new_updates([update])
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/__init__.py", line 326, in process_new_updates
self.process_new_callback_query(new_callback_querys)
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/__init__.py", line 354, in process_new_callback_query
self._notify_command_handlers(self.callback_query_handlers, new_callback_querys)
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/__init__.py", line 1490, in _notify_command_handlers
self._exec_task(message_handler['function'], message)
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/__init__.py", line 464, in _exec_task
task(*args, **kwargs)
File "/home/*accountName*/bot/bot/Main.py", line 535, in callback_inline
MainMenuActions.BetMenu_BackButton(call.message, bot, db)
File "/home/*accountName*/bot/bot/MainMenuActions.py", line 130, in BetMenu_BackButton
bot.send_message(message.chat.id, text=config.StringContent["StartPlayWords"], reply_markup=keyborads.keyboardMainmenu)
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/__init__.py", line 598, in send_message
reply_markup, parse_mode, disable_notification))
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/apihelper.py", line 140, in send_message
return _make_request(token, method_url, params=payload, method='post')
File "/home/*accountName*/.local/lib/python3.7/site-packages/telebot/apihelper.py", line 54, in _make_request
timeout=(connect_timeout, read_timeout), proxies=proxy)
File "/usr/lib/python3.7/site-packages/requests/sessions.py", line 512, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python3.7/site-packages/requests/sessions.py", line 622, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python3.7/site-packages/requests/adapters.py", line 445, in send
timeout=timeout
File "/usr/lib/python3.7/site-packages/urllib3/connectionpool.py", line 600, in urlopen
chunked=chunked)
File "/usr/lib/python3.7/site-packages/urllib3/connectionpool.py", line 384, in _make_request
six.raise_from(e, None)
File "<string>", line 2, in raise_from
File "/usr/lib/python3.7/site-packages/urllib3/connectionpool.py", line 380, in _make_request
httplib_response = conn.getresponse()
File "/usr/lib/python3.7/http/client.py", line 1321, in getresponse
response.begin()
File "/usr/lib/python3.7/http/client.py", line 296, in begin
version, status, reason = self._read_status()
File "/usr/lib/python3.7/http/client.py", line 257, in _read_status
line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1")
File "/usr/lib/python3.7/socket.py", line 589, in readinto
return self._sock.recv_into(b)
File "/usr/lib/python3.7/site-packages/urllib3/contrib/pyopenssl.py", line 300, in recv_into
return self.recv_into(*args, **kwargs)
File "/usr/lib/python3.7/site-packages/urllib3/contrib/pyopenssl.py", line 285, in recv_into
return self.connection.recv_into(*args, **kwargs)
File "/usr/lib/python3.7/site-packages/OpenSSL/SSL.py", line 1814, in recv_into
self._raise_ssl_error(self._ssl, result)
File "/usr/lib/python3.7/site-packages/OpenSSL/SSL.py", line 1639, in _raise_ssl_error
_raise_current_error()
File "/usr/lib/python3.7/site-packages/OpenSSL/_util.py", line 54, in exception_from_error_queue
raise exception_type(errors)
OpenSSL.SSL.Error: [('SSL routines', 'ssl3_get_record', 'decryption failed or bad record mac')]
From an issue on the pyTelegramBotAPI github repo, it looks like it's an incompatibility between the version of requests you're using and the version of OpenSSL you're using. Try using requests 2.10.0 instead.
I had a same error and I fixed like this
token = 'bot_token'
bot = telebot.TeleBot(token, threaded=False)
I could use some help deciphering the following traceback and resolving specifically on a linux machine running apache and django with DEBUG = False
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 189, in __call__
response = self.get_response(request)
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 218, in get_response
response = self.handle_uncaught_exception(request, resolver, sys.exc_info())
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 256, in handle_uncaught_exception
'request': request
File "/usr/lib/python2.7/logging/__init__.py", line 1200, in error
self._log(ERROR, msg, args, **kwargs)
File "/usr/lib/python2.7/logging/__init__.py", line 1293, in _log
self.handle(record)
File "/usr/lib/python2.7/logging/__init__.py", line 1303, in handle
self.callHandlers(record)
File "/usr/lib/python2.7/logging/__init__.py", line 1343, in callHandlers
hdlr.handle(record)
File "/usr/lib/python2.7/logging/__init__.py", line 766, in handle
self.emit(record)
File "/usr/local/lib/python2.7/dist-packages/django/utils/log.py", line 129, in emit
self.send_mail(subject, message, fail_silently=True, html_message=html_message)
File "/usr/local/lib/python2.7/dist-packages/django/utils/log.py", line 132, in send_mail
mail.mail_admins(subject, message, *args, connection=self.connection(), **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/core/mail/__init__.py", line 98, in mail_admins
mail.send(fail_silently=fail_silently)
...
error: [Errno 111] Connection refused
It is unclear to me why send_mail(..., fail_silently=True, ...) should fail if fail_silently=True
How do I debug this error if it only manifests when DEBUG = False?
i am trying to send a basic get request to "www.python.org" to fetch "www.python.org/index.html" using the httplib module in python.I use a proxy server "10.1.1.19:80".My code with the error message is shown.Please suggest me with the mistakes i'm commiting.Regards....
>>> import httplib
>>> conn=httplib.HTTPConnection("http://www.python.org",80)
>>> conn.set_tunnel("10.1.1.19:80")
>>> conn.request("GET","www.python.org/index.html",headers={"Proxy-Authorization":"Basic "+"MzEwNTMzOmdveWFs"})
Traceback (most recent call last):
File "<pyshell#3>", line 1, in <module>
conn.request("GET","www.python.org/index.html",headers={"Proxy-Authorization":"Basic "+"MzEwNTMzOmdveWFs"})
File "C:\Python27\lib\httplib.py", line 973, in request
self._send_request(method, url, body, headers)
File "C:\Python27\lib\httplib.py", line 1007, in _send_request
self.endheaders(body)
File "C:\Python27\lib\httplib.py", line 969, in endheaders
self._send_output(message_body)
File "C:\Python27\lib\httplib.py", line 829, in _send_output
self.send(msg)
File "C:\Python27\lib\httplib.py", line 791, in send
self.connect()
File "C:\Python27\lib\httplib.py", line 772, in connect
self.timeout, self.source_address)
File "C:\Python27\lib\socket.py", line 553, in create_connection
for res in getaddrinfo(host, port, 0, SOCK_STREAM):
gaierror: [Errno 11004] getaddrinfo failed`
Try this
import httplib
conn = httplib.HTTPConnection("10.1.1.19", 80)
conn.request("GET", "http://www.python.org/index.html", headers={...}))
I'm using haystack and solr on Django. I get UnicodeDecodeError and I think the reason is the unicode data in the database are either converted to str or decoded to utf-8 which makes a later UnicodeDecodeError when sending via httplib or printing to the console.
I think the problem should before the haystack full_prepare function, since as I checked afterwards data is already ruined.
Any thoughts?
I setup.pyed install (haystack, pysolr, django)
and used the binary of lxml from http://www.lfd.uci.edu/~gohlke/pythonlibs/
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\Pouria\Desktop\conference\conference>python manage.py rebuild_index
WARNING: This will irreparably remove EVERYTHING from your search index in connection 'default'.
Your choices after this are to restore from backups or rebuild via the `rebuild_index` command.
Are you sure you wish to continue? [y/N] y
Removing all documents from your index because you said so.
Failed to clear Solr index: [Reason: Error 404 Not Found]
All documents removed.
C:\Python27\lib\site-packages\django\db\models\fields\__init__.py:808: RuntimeWarning: DateTimeField
received a naive datetime (2013-02-09 08:47:27.110000) while time zone support is active.
RuntimeWarning)
Indexing 2 conferences.
ERROR:root:Error updating conferences using default
Traceback (most recent call last):
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 210, in handle_label
self.update_backend(label, using)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 256, in update_backend
do_update(backend, index, qs, start, end, total, self.verbosity)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 78, in do_update
backend.update(index, current_qs)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\backends\solr_backend.py", line 72, i
n update
self.conn.add(docs, commit=commit, boost=index.get_field_weights())
File "C:\Python27\lib\site-packages\pysolr.py", line 786, in add
return self._update(m, commit=commit, waitFlush=waitFlush, waitSearcher=waitSearcher)
File "C:\Python27\lib\site-packages\pysolr.py", line 379, in _update
return self._send_request('post', path, message, {'Content-type': 'text/xml; charset=utf-8'})
File "C:\Python27\lib\site-packages\pysolr.py", line 291, in _send_request
timeout=self.timeout)
File "C:\Python27\lib\site-packages\requests\api.py", line 87, in post
return request('post', url, data=data, **kwargs)
File "C:\Python27\lib\site-packages\requests\api.py", line 44, in request
return session.request(method=method, url=url, **kwargs)
File "C:\Python27\lib\site-packages\requests\sessions.py", line 279, in request
resp = self.send(prep, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies
)
File "C:\Python27\lib\site-packages\requests\sessions.py", line 373, in send
r = adapter.send(request, **kwargs)
File "C:\Python27\lib\site-packages\requests\adapters.py", line 171, in send
timeout=timeout
File "C:\Python27\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 421, in url
open
body=body, headers=headers)
File "C:\Python27\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 273, in _ma
ke_request
conn.request(method, url, **httplib_request_kw)
File "C:\Python27\lib\httplib.py", line 949, in request
self._send_request(method, url, body, headers)
File "C:\Python27\lib\httplib.py", line 990, in _send_request
self.endheaders(body)
File "C:\Python27\lib\httplib.py", line 943, in endheaders
self._send_output(message_body)
File "C:\Python27\lib\httplib.py", line 810, in _send_output
self.send(message_body)
File "C:\Python27\lib\httplib.py", line 775, in send
self.sock.sendall(str)
File "C:\Python27\lib\socket.py", line 222, in meth
return getattr(self._sock,name)(*args)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 143-149: ordinal not in range(
128)
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 443, in execute_from
_command_line
utility.execute()
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 382, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 196, in run_from_argv
self.execute(*args, **options.__dict__)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 232, in execute
output = self.handle(*args, **options)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\rebuild_index.py"
, line 15, in handle
call_command('update_index', **options)
File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 150, in call_command
return klass.execute(*args, **defaults)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 232, in execute
output = self.handle(*args, **options)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 184, in handle
return super(Command, self).handle(*items, **options)
File "C:\Python27\lib\site-packages\django\core\management\base.py", line 341, in handle
label_output = self.handle_label(label, **options)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 210, in handle_label
self.update_backend(label, using)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 256, in update_backend
do_update(backend, index, qs, start, end, total, self.verbosity)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\management\commands\update_index.py",
line 78, in do_update
backend.update(index, current_qs)
File "C:\Users\Pouria\Desktop\conference\conference\haystack\backends\solr_backend.py", line 72, i
n update
self.conn.add(docs, commit=commit, boost=index.get_field_weights())
File "C:\Python27\lib\site-packages\pysolr.py", line 786, in add
return self._update(m, commit=commit, waitFlush=waitFlush, waitSearcher=waitSearcher)
File "C:\Python27\lib\site-packages\pysolr.py", line 379, in _update
return self._send_request('post', path, message, {'Content-type': 'text/xml; charset=utf-8'})
File "C:\Python27\lib\site-packages\pysolr.py", line 291, in _send_request
timeout=self.timeout)
File "C:\Python27\lib\site-packages\requests\api.py", line 87, in post
return request('post', url, data=data, **kwargs)
File "C:\Python27\lib\site-packages\requests\api.py", line 44, in request
return session.request(method=method, url=url, **kwargs)
File "C:\Python27\lib\site-packages\requests\sessions.py", line 279, in request
resp = self.send(prep, stream=stream, timeout=timeout, verify=verify, cert=cert, proxies=proxies
)
File "C:\Python27\lib\site-packages\requests\sessions.py", line 373, in send
r = adapter.send(request, **kwargs)
File "C:\Python27\lib\site-packages\requests\adapters.py", line 171, in send
timeout=timeout
File "C:\Python27\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 421, in url
open
body=body, headers=headers)
File "C:\Python27\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 273, in _ma
ke_request
conn.request(method, url, **httplib_request_kw)
File "C:\Python27\lib\httplib.py", line 949, in request
self._send_request(method, url, body, headers)
File "C:\Python27\lib\httplib.py", line 990, in _send_request
self.endheaders(body)
File "C:\Python27\lib\httplib.py", line 943, in endheaders
self._send_output(message_body)
File "C:\Python27\lib\httplib.py", line 810, in _send_output
self.send(message_body)
File "C:\Python27\lib\httplib.py", line 775, in send
self.sock.sendall(str)
File "C:\Python27\lib\socket.py", line 222, in meth
return getattr(self._sock,name)(*args)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 143-149: ordinal not in range(
128)
I had the same error. It's seams to be fixed on master https://github.com/toastdriven/django-haystack. So you should use haystack 2.0 alpha/beta.