Python：PyCharm选择性忽略PEP8警告

小鱼儿 2022-11-22 00:11 525阅读 0赞

## Python：PyCharm选择性忽略PEP8警告 ##

PyCharm 是个很强大的 python IDE，PEP 8 的告警提示也很好用，但是函数名不能包含大写字母等少数几个规范真心觉得不好，如何取消呢？见下述步骤：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdWJpbmc4NjA5_size_16_color_FFFFFF_t_70][]

在 Ignored errors 中添加要忽略的告警ID。注意，要区分是属于 coding 还是 naming。

### 错误代码 ###

<table> 
 <thead> 
  <tr> 
   <th>code</th> 
   <th>sample message</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>N801</td> 
   <td>class names should use CapWords convention</td> 
  </tr> 
  <tr> 
   <td>N802</td> 
   <td>function name should be lowercase</td> 
  </tr> 
  <tr> 
   <td>N803</td> 
   <td>argument name should be lowercase</td> 
  </tr> 
  <tr> 
   <td>N804</td> 
   <td>first argument of a classmethod should be named ‘cls’</td> 
  </tr> 
  <tr> 
   <td>N805</td> 
   <td>first argument of a method should be named ‘self’</td> 
  </tr> 
  <tr> 
   <td>N806</td> 
   <td>variable in function should be lowercase</td> 
  </tr> 
  <tr> 
   <td>N807</td> 
   <td>function name should not start and end with ‘__’</td> 
  </tr> 
  <tr> 
   <td>N811</td> 
   <td>constant imported as non constant</td> 
  </tr> 
  <tr> 
   <td>N812</td> 
   <td>lowercase imported as non lowercase</td> 
  </tr> 
  <tr> 
   <td>N813</td> 
   <td>camelcase imported as lowercase</td> 
  </tr> 
  <tr> 
   <td>N814</td> 
   <td>camelcase imported as constant</td> 
  </tr> 
  <tr> 
   <td>N815</td> 
   <td>mixedCase variable in class scope</td> 
  </tr> 
  <tr> 
   <td>N816</td> 
   <td>mixedCase variable in global scope</td> 
  </tr> 
  <tr> 
   <td>N817</td> 
   <td>camelcase imported as acronym</td> 
  </tr> 
 </tbody> 
</table>

<table> 
 <thead> 
  <tr> 
   <th>code</th> 
   <th>sample message</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td><strong>E1</strong></td> 
   <td><em>Indentation</em></td> 
  </tr> 
  <tr> 
   <td>E101</td> 
   <td>indentation contains mixed spaces and tabs</td> 
  </tr> 
  <tr> 
   <td>E111</td> 
   <td>indentation is not a multiple of four</td> 
  </tr> 
  <tr> 
   <td>E112</td> 
   <td>expected an indented block</td> 
  </tr> 
  <tr> 
   <td>E113</td> 
   <td>unexpected indentation</td> 
  </tr> 
  <tr> 
   <td>E114</td> 
   <td>indentation is not a multiple of four (comment)</td> 
  </tr> 
  <tr> 
   <td>E115</td> 
   <td>expected an indented block (comment)</td> 
  </tr> 
  <tr> 
   <td>E116</td> 
   <td>unexpected indentation (comment)</td> 
  </tr> 
  <tr> 
   <td>E117</td> 
   <td>over-indented</td> 
  </tr> 
  <tr> 
   <td>E121 (*^)</td> 
   <td>continuation line under-indented for hanging indent</td> 
  </tr> 
  <tr> 
   <td>E122 (^)</td> 
   <td>continuation line missing indentation or outdented</td> 
  </tr> 
  <tr> 
   <td>E123 (*)</td> 
   <td>closing bracket does not match indentation of opening bracket’s line</td> 
  </tr> 
  <tr> 
   <td>E124 (^)</td> 
   <td>closing bracket does not match visual indentation</td> 
  </tr> 
  <tr> 
   <td>E125 (^)</td> 
   <td>continuation line with same indent as next logical line</td> 
  </tr> 
  <tr> 
   <td>E126 (*^)</td> 
   <td>continuation line over-indented for hanging indent</td> 
  </tr> 
  <tr> 
   <td>E127 (^)</td> 
   <td>continuation line over-indented for visual indent</td> 
  </tr> 
  <tr> 
   <td>E128 (^)</td> 
   <td>continuation line under-indented for visual indent</td> 
  </tr> 
  <tr> 
   <td>E129 (^)</td> 
   <td>visually indented line with same indent as next logical line</td> 
  </tr> 
  <tr> 
   <td>E131 (^)</td> 
   <td>continuation line unaligned for hanging indent</td> 
  </tr> 
  <tr> 
   <td>E133 (*)</td> 
   <td>closing bracket is missing indentation</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>E2</strong></td> 
   <td><em>Whitespace</em></td> 
  </tr> 
  <tr> 
   <td>E201</td> 
   <td>whitespace after ‘(‘</td> 
  </tr> 
  <tr> 
   <td>E202</td> 
   <td>whitespace before ‘)’</td> 
  </tr> 
  <tr> 
   <td>E203</td> 
   <td>whitespace before ‘:’</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E211</td> 
   <td>whitespace before ‘(‘</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E221</td> 
   <td>multiple spaces before operator</td> 
  </tr> 
  <tr> 
   <td>E222</td> 
   <td>multiple spaces after operator</td> 
  </tr> 
  <tr> 
   <td>E223</td> 
   <td>tab before operator</td> 
  </tr> 
  <tr> 
   <td>E224</td> 
   <td>tab after operator</td> 
  </tr> 
  <tr> 
   <td>E225</td> 
   <td>missing whitespace around operator</td> 
  </tr> 
  <tr> 
   <td>E226 (*)</td> 
   <td>missing whitespace around arithmetic operator</td> 
  </tr> 
  <tr> 
   <td>E227</td> 
   <td>missing whitespace around bitwise or shift operator</td> 
  </tr> 
  <tr> 
   <td>E228</td> 
   <td>missing whitespace around modulo operator</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E231</td> 
   <td>missing whitespace after ‘,’, ‘;’, or ‘:’</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E241 (*)</td> 
   <td>multiple spaces after ‘,’</td> 
  </tr> 
  <tr> 
   <td>E242 (*)</td> 
   <td>tab after ‘,’</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E251</td> 
   <td>unexpected spaces around keyword / parameter equals</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E261</td> 
   <td>at least two spaces before inline comment</td> 
  </tr> 
  <tr> 
   <td>E262</td> 
   <td>inline comment should start with ‘# ‘</td> 
  </tr> 
  <tr> 
   <td>E265</td> 
   <td>block comment should start with ‘# ‘</td> 
  </tr> 
  <tr> 
   <td>E266</td> 
   <td>too many leading ‘#’ for block comment</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td>E271</td> 
   <td>multiple spaces after keyword</td> 
  </tr> 
  <tr> 
   <td>E272</td> 
   <td>multiple spaces before keyword</td> 
  </tr> 
  <tr> 
   <td>E273</td> 
   <td>tab after keyword</td> 
  </tr> 
  <tr> 
   <td>E274</td> 
   <td>tab before keyword</td> 
  </tr> 
  <tr> 
   <td>E275</td> 
   <td>missing whitespace after keyword</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>E3</strong></td> 
   <td><em>Blank line</em></td> 
  </tr> 
  <tr> 
   <td>E301</td> 
   <td>expected 1 blank line, found 0</td> 
  </tr> 
  <tr> 
   <td>E302</td> 
   <td>expected 2 blank lines, found 0</td> 
  </tr> 
  <tr> 
   <td>E303</td> 
   <td>too many blank lines (3)</td> 
  </tr> 
  <tr> 
   <td>E304</td> 
   <td>blank lines found after function decorator</td> 
  </tr> 
  <tr> 
   <td>E305</td> 
   <td>expected 2 blank lines after end of function or class</td> 
  </tr> 
  <tr> 
   <td>E306</td> 
   <td>expected 1 blank line before a nested definition</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>E4</strong></td> 
   <td><em>Import</em></td> 
  </tr> 
  <tr> 
   <td>E401</td> 
   <td>multiple imports on one line</td> 
  </tr> 
  <tr> 
   <td>E402</td> 
   <td>module level import not at top of file</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>E5</strong></td> 
   <td><em>Line length</em></td> 
  </tr> 
  <tr> 
   <td>E501 (^)</td> 
   <td>line too long (82 &gt; 79 characters)</td> 
  </tr> 
  <tr> 
   <td>E502</td> 
   <td>the backslash is redundant between brackets</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>E7</strong></td> 
   <td><em>Statement</em></td> 
  </tr> 
  <tr> 
   <td>E701</td> 
   <td>multiple statements on one line (colon)</td> 
  </tr> 
  <tr> 
   <td>E702</td> 
   <td>multiple statements on one line (semicolon)</td> 
  </tr> 
  <tr> 
   <td>E703</td> 
   <td>statement ends with a semicolon</td> 
  </tr> 
  <tr> 
   <td>E704 (*)</td> 
   <td>multiple statements on one line (def)</td> 
  </tr> 
  <tr> 
   <td>E711 (^)</td> 
   <td>comparison to None should be ‘if cond is None:’</td> 
  </tr> 
  <tr> 
   <td>E712 (^)</td> 
   <td>comparison to True should be ‘if cond is True:’ or ‘if cond:’</td> 
  </tr> 
  <tr> 
   <td>E713</td> 
   <td>test for membership should be ‘not in’</td> 
  </tr> 
  <tr> 
   <td>E714</td> 
   <td>test for object identity should be ‘is not’</td> 
  </tr> 
  <tr> 
   <td>E721 (^)</td> 
   <td>do not compare types, use ‘isinstance()’</td> 
  </tr> 
  <tr> 
   <td>E722</td> 
   <td>do not use bare except, specify exception instead</td> 
  </tr> 
  <tr> 
   <td>E731</td> 
   <td>do not assign a lambda expression, use a def</td> 
  </tr> 
  <tr> 
   <td>E741</td> 
   <td>do not use variables named ‘l’, ‘O’, or ‘I’</td> 
  </tr> 
  <tr> 
   <td>E742</td> 
   <td>do not define classes named ‘l’, ‘O’, or ‘I’</td> 
  </tr> 
  <tr> 
   <td>E743</td> 
   <td>do not define functions named ‘l’, ‘O’, or ‘I’</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>E9</strong></td> 
   <td><em>Runtime</em></td> 
  </tr> 
  <tr> 
   <td>E901</td> 
   <td>SyntaxError or IndentationError</td> 
  </tr> 
  <tr> 
   <td>E902</td> 
   <td>IOError</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>W1</strong></td> 
   <td><em>Indentation warning</em></td> 
  </tr> 
  <tr> 
   <td>W191</td> 
   <td>indentation contains tabs</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>W2</strong></td> 
   <td><em>Whitespace warning</em></td> 
  </tr> 
  <tr> 
   <td>W291</td> 
   <td>trailing whitespace</td> 
  </tr> 
  <tr> 
   <td>W292</td> 
   <td>no newline at end of file</td> 
  </tr> 
  <tr> 
   <td>W293</td> 
   <td>blank line contains whitespace</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>W3</strong></td> 
   <td><em>Blank line warning</em></td> 
  </tr> 
  <tr> 
   <td>W391</td> 
   <td>blank line at end of file</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>W5</strong></td> 
   <td><em>Line break warning</em></td> 
  </tr> 
  <tr> 
   <td>W503 (*)</td> 
   <td>line break before binary operator</td> 
  </tr> 
  <tr> 
   <td>W504 (*)</td> 
   <td>line break after binary operator</td> 
  </tr> 
  <tr> 
   <td>W505 (*^)</td> 
   <td>doc line too long (82 &gt; 79 characters)</td> 
  </tr> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
  <tr> 
   <td><strong>W6</strong></td> 
   <td><em>Deprecation warning</em></td> 
  </tr> 
  <tr> 
   <td>W601</td> 
   <td>.has_key() is deprecated, use ‘in’</td> 
  </tr> 
  <tr> 
   <td>W602</td> 
   <td>deprecated form of raising exception</td> 
  </tr> 
  <tr> 
   <td>W603</td> 
   <td>‘&lt;&gt;’ is deprecated, use ‘!=’</td> 
  </tr> 
  <tr> 
   <td>W604</td> 
   <td>backticks are deprecated, use ‘repr()’</td> 
  </tr> 
  <tr> 
   <td>W605</td> 
   <td>invalid escape sequence ‘x’</td> 
  </tr> 
  <tr> 
   <td>W606</td> 
   <td>‘async’ and ‘await’ are reserved keywords starting with Python 3.7</td> 
  </tr> 
 </tbody> 
</table>

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpdWJpbmc4NjA5_size_16_color_FFFFFF_t_70]: /images/20221120/0866a1549f2b4d5ca61c42a5e7cce9d7.png