I am using Spyder 2.3.1 and python(x, y).
In the preferences of Spyder you can activate "Style analysis". This is quite nice, but I want to increase the max. tolerable line length. The standard setting for PEP8 is 79 characters. This can be changed through a setup.cfg with the content:
[pep8]
max-line-length = 99
This can be read here: http://pep8.readthedocs.org/en/latest/intro.html#related-tools
Where do I put a setup.cfg so Spyder/PEP8 will recognize my new limit? Or is there an other way to set this limit or to ignore E501 (line to long)? Just setting "Show vertical line after 99 characters" in Spyder does not help.
According to the link cited by @Werner:
http://pep8.readthedocs.org/en/latest/intro.html#configuration
what you need to do is to create a file called ~/.config/pep8 (On Linux/Mac) or ~/.pep8 (on Windows), and add these lines to it:
[pep8]
max-line-length = 99
I tested it in Spyder and it works as expected.
Inspired by Minh's comment I've been able to make this work for spyder 3.8 by doing the following. Find out the ~ directory using
import os; os.path.expanduser('~')
(see remark ofJustin Harris)
Then add a file to the ~ directory called .pycodestyle containing:
[pycodestyle]
max-line-length = 99
(see Carlos Cordoba's answer)
Restart spyder [EDIT: according to the comments below this is not needed]. This is actually just combining most of the above remarks and answers.
References to "pep8" are obsolete. The package has been renamed to "pycodestyle".
The tox.ini with a pep8 section or a setup.cfg at the project level should do.
http://pep8.readthedocs.org/en/latest/intro.html#configuration
using the Spyder 4.0.0.dev0 went to my ~/.config/spyder.ini, ensured that my spyder application was not running change the dictionary value 'maxLineLength': 100 from 'maxLineLength': 79.
Started my app and it worked now if you edit the file while your spyder app is running upon shutting down it will overwrite what ever is in the ~/.config/spyder.ini.
Ensure it is not running and make the necessary changes
来源：https://stackoverflow.com/questions/26426689/how-to-tell-spyders-style-analysis-pep8-to-read-from-a-setup-cfg-or-increase-ma