PyCharm 是個很強大的 python IDE，PEP 8 的告警提示也很好用，但是函數名不能包含大寫字母等少數幾個規范真心覺得不好，作為一名處女座強迫症患者，代碼下面的波浪線這種東西是絕對不允許存在的。
File -> Settings -> Editor -> Inspections -> 右側Python
在 Ignored errors 中添加要忽略的告警ID。注意，要區分是屬於 coding 還是 naming。
PEP 8 coding style violation 的告警ID查看 https://pep8.readthedocs.io/en/latest/intro.html#error-codes
PEP 8 naming convention violation 的告警ID查看 https://pypi.org/project/pep8-naming/
| code |
sample message |
| N801 |
class names should use CapWords convention |
| N802 |
function name should be lowercase |
| N803 |
argument name should be lowercase |
| N804 |
first argument of a classmethod should be named ‘cls’ |
| N805 |
first argument of a method should be named ‘self’ |
| N806 |
variable in function should be lowercase |
| N807 |
function name should not start or end with ‘__’ |
| N811 |
constant imported as non constant |
| N812 |
lowercase imported as non lowercase |
| N813 |
camelcase imported as lowercase |
| N814 |
camelcase imported as constant |
如上圖，添加 N802、N803、N806 的忽略，然后，這個世界就清凈了。
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