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Scrapy signal only works in main thread

WebJul 14, 2024 · Scrapy uses signals and it only works on main thread where as when running this command in my streamlit code st.text (threading.current_thread ().name) it is known … WebI call SIGNAL within a thread and it's working like a charm. Then I bring the same module home to the same environment (Ubuntu Jaunty, Python 2.6) and now I'm getting this error: ValueError: signal only works in main thread After encountering this error, I researched the cause and found that you can't have a signal outside of the main thread.

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WebThe problem for both modules is that the Python runtime may have actually been initialized in a different thread, which is the actual "main" thread. Since Python 3.8 we store the ID of … WebAug 23, 2014 · to [email protected] Update, I've managed to launch a scrapy job from Django. In case anyone else is trying to get it work the code is below. spider = MySpider () settings =... WebDec 13, 2024 · At any point in time there are many threads running: the main one, managing the whole shebang, one thread per request being processed, one per background task, … georgia yearly lottery archive

Issue 38904: "signal only works in main thread" in main thread

Category:signal only works in main thread of the main interpreter #1 - Github

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Scrapy signal only works in main thread

[Solved] ValueError: signal only works in main thread

WebDec 14, 2024 · ValueError: signal only works in main thread of the main interpreter Anvil Q&A Hello Team, As you know, I’m trying to make a simple web scraping app using Scrapy. WebValueError: signal only works in main thread this is my code: class DarasListView (ListView): template_name = 'movie/index.html' queryset = Movie.objects.all () from scrapy.crawler import CrawlerProcess from scrapy.utils.project import get_project_settings process = CrawlerProcess (get_project_settings ())

Scrapy signal only works in main thread

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WebSep 23, 2024 · Basically, the way it works is that you start a new CrawlerProcess instance, then you pass a spider to class by calling crawl()(which you have done correctly with the … WebOct 1, 2024 · You are trying to run asyncio.get_event_loop() in some thread other than the main thread – however, asyncio only generates an event loop for the main thread. Use this function instead of asyncio.get_event_loop(): ... (signalnum), _enum_to_int(handler)) ValueError: signal only works in main thread ...

WebFlask, Asyncio, BS4, Requests-html ValueError: signal only works in main thread of the main interpreter; Flask APP - ValueError: signal only works in main thread; Running pypupeteer in FLASK gives ValueError: signal only works in main thread; ValueError: signal only works in main thread (Python / Scrapy + Flask ) Instabot signal only works in ... WebNov 2, 2024 · The signal can be any object, although Scrapy comes with some predefined signals that are documented in the :ref:`topics-signals` section.:param receiver: the …

WebFeb 1, 2024 · Python flask - builtins.ValueError: signal only works in main thread pssantosh February 2024 in Python client Hi, I was trying to implement a web app using the ticker information. However I am using it as a just a function it all works fine but when I try to run the flask application, it throws the below error. WebValueError: signal only works in main thread (Python / Scrapy + Flask ) I am trying to do an API with Flask + Scrapy. The main point is to make a request on Scrapy when the user …

WebJun 9, 2024 · Python signal handlers are always executed in the main Python thread, even if the signal was received in another thread. This means that signals can’t be used as a …

WebValueError: signal only works in main thread this is my code: class DarasListView (ListView): template_name = 'movie/index.html' queryset = Movie.objects.all () from scrapy.crawler import CrawlerProcess from scrapy.utils.project import get_project_settings process = CrawlerProcess (get_project_settings ()) georgia yearly tempsWebJul 14, 2024 · Scrapy uses signals and it only works on main thread where as when running this command in my streamlit code st.text (threading.current_thread ().name) it is known that streamlit runs on ScriptRunner.scriptThread therefore signals … georgia yearly temperatureWebJun 5, 2003 · The problem is, when I try to > run it I get the following error message: > > Exception in thread Thread-1: > Traceback (most recent call last): [...] > File "URFParser.py", line 32, in start > reactor.run () [...] > signal.signal (signal.SIGINT, self.sigInt) > ValueError: signal only works in main thread > > #### > > I've had a look at the … georgia yearly weatherWebJun 9, 2024 · As the Python documentation states: Python signal handlers are always executed in the main Python thread, even if the signal was received in another thread. This means that signals can’t be used as a means of inter-thread communication. You can use the synchronization primitives from the threading module instead. christianson farm machineryWebFlask APP - ValueError: signal only works in main thread score:44 Accepted answer The problem you are facing has to do with a bug in the Flask-SocketIO package which replaces the flask run command. Due to this Flask-SocketIO is always used even if you don’t import it. There are several solutions: Uninstall Flask-SocketIO georgia years support.comWebNov 1, 2013 · Turns out this is a duplicate issue of an apparently unrelated problem. The catch here is that log.start() has as default argument logstdout set to True (can be seen … christianson family medWebsignal.signal(signal.SIGINT, self.sigInt) exceptions.ValueError: signal only works in main thread Does anyone have any idea how i can achieve this?? Please see the code i'm using … christianson cpa willmar