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I use Flask framework and build a Python project. It shows all errors on the page when I run a python file on the SSH shell.
After I installed WSGI to run the server automatically, it started not showing errors on the browser. It only shows "Internal Server Error" if there is an error.
my python file has this option at the end.
if __name__ == '__main__':
app.run(host='0.0.0.0',port=5000,debug=True)
I would like to look at all errors to figure out problems. Is there a way to look at all errors on the browser?
455
When an error occurs in Flask, an appropriate HTTP status code will be returned. 400-499 indicate errors with the client's request data, or about the data requested. 500-599 indicate errors with the server or application itself. You might want to show custom error pages to the user when an error occurs.
To catch and print an exception that occurred in a code snippet, wrap it in an indented try block, followed by the command "except Exception as e" that catches the exception and saves its error message in string variable e . You can now print the error message with "print(e)" or use it for further processing.
The debugger is enabled by default when the development server is run in debug mode. When running from Python code, passing debug=True enables debug mode, which is mostly equivalent.
I finally noticed that it doesn't show errors on the browser because I run the server under WSGI mod.
Python Flask shows detailed errors on the browser if I run the python file on the shell.
app.debug = True
This is a command to look at detailed errors.
So, I had to turn off WSGI mod to run python file to look at detailed errors that Flask supported.
139
Please someone explain to me why the following approach doesnt display the erros in the browser which is what i want to do:
app = Flask(__name__)
app.debug = True
application = app
Its very tedieous task to always have to tail -f ../logs/error_log
33
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