ysh329
commented
4 years ago flake8
http://www.panxiaonan.cc/emlog/post-28.html
| code | sample message |
|---|---|
| E1 | Indentation缩进 |
| E101 | indentation contains mixed spaces and tabs缩进包含混合空格和制表符 |
| E111 | indentation is not a multiple of four缩进不是四的倍数 |
| E112 | expected an indented block需要缩进块 |
| E113 | unexpected indentation意外缩进 |
| E114 | indentation is not a multiple of four (comment)缩进不是四的倍数（注释） |
| E115 | expected an indented block (comment)需要缩进块（注释） |
| E116 | unexpected indentation (comment)意外缩进（注释） |
| E117 | over-indented过度缩进 |
| E121 (*^) | continuation line under-indented for hanging indent缩进下的续行，用于悬挂缩进 |
| E122 (^) | continuation line missing indentation or outdented续行缺少缩进或缩进 |
| E123 (*) | closing bracket does not match indentation of opening bracket’s line右括号与左括号行的缩进不匹配 |
| E124 (^) | closing bracket does not match visual indentation右括号与视觉缩进不匹配 |
| E125 (^) | continuation line with same indent as next logical line与下一逻辑行具有相同缩进的续行 |
| E126 (*^) | continuation line over-indented for hanging indent用于挂起缩进的缩进上的续行 |
| E127 (^) | continuation line over-indented for visual indent视觉缩进的缩进上的续行 |
| E128 (^) | continuation line under-indented for visual indent缩进下的连续行，用于视觉缩进 |
| E129 (^) | visually indented line with same indent as next logical line视觉缩进行，与下一逻辑行缩进相同 |
| E131 (^) | continuation line unaligned for hanging indent未对齐的续行用于挂起缩进 |
| E133 (*) | closing bracket is missing indentation右括号缺少缩进 |
| E2 | Whitespace空白 |
| E201 | whitespace after ‘(‘ “（”后的空白 |
| E202 | whitespace before ‘)’“）”之前的空白 |
| E203 | whitespace before ‘:’ “：”前的空白 |
| E211 | whitespace before ‘(‘ “（”前的空白 |
| E221 | multiple spaces before operator E221运算符前的多个空格 |
| E222 | multiple spaces after operatorE222运算符后的多个空格 |
| E223 | tab before operatorE223操作员前的标签 |
| E224 | tab after operatorE224操作员后标签 |
| E225 | missing whitespace around operatorE225运算符周围缺少空格 |
| E226 (*) | missing whitespace around arithmetic operatorE226（*）算术运算符周围缺少空格 |
| E227 | missing whitespace around bitwise or shift operatorE227位或移位运算符周围缺少空格 |
| E228 | missing whitespace around modulo operator E228模运算符周围缺少空格 |
| E231 | missing whitespace after ‘,’, ‘;’, or ‘:’ E231“，”，“；”或“：”后缺少空格 |
| E241 (*) | multiple spaces after ‘,’ E241（*）'，'后有多个空格 |
| E242 (*) | tab after ‘,’ E242（*）'，'后的制表符 |
| E251 | unexpected spaces around keyword / parameter equals E251关键字/参数等于的周围有意外空格 |
| E261 | at least two spaces before inline comment E261内联注释前至少有两个空格 |
| E262 | inline comment should start with ‘# ‘ E262内联注释应以“#”开头 |
| E265 | block comment should start with ‘# ‘ E265块注释应以“35;”开头 |
| E266 | too many leading ‘#’ for block comment E266块注释的前导“35;”太多 |
| E271 | multiple spaces after keyword E271关键字后有多个空格 |
| E272 | multiple spaces before keyword E272关键字前有多个空格 |
| E273 | tab after keyword E273关键字后的制表符 |
| E274 | tab before keyword E274关键字前的制表符 |
| E275 | missing whitespace after keyword E275关键字后缺少空格 |
| E3 | Blank line E3空行 |
| E301 | expected 1 blank line, found 0E301应为1空行，找到0 |
| E302 | expected 2 blank lines, found 0E302需要2个空行，找到0 |
| E303 | too many blank lines (3)E303空行太多（3） |
| E304 | blank lines found after function decoratorE304函数decorator后发现空行 |
| E305 | expected 2 blank lines after end of function or classE305函数或类结束后需要2个空行 |
| E306 | expected 1 blank line before a nested definitionE306在嵌套定义之前需要1个空行 |
| E4 | ImportE4导入 |
| E401 | multiple imports on one lineE401一条线上的多个导入 |
| E402 | module level import not at top of fileE402模块级导入不在文件顶部 |
| E5 | Line lengthE5线长度 |
| E501 (^) | line too long (82 > 79 characters)E501（^）行太长（82>79个字符） |
| E502 | the backslash is redundant between bracketsE502括号之间的反斜杠是多余的 |
| E7 | StatementE7报表 |
| E701 | multiple statements on one line (colon)E701一行多个语句（冒号） |
| E702 | multiple statements on one line (semicolon)E702一行多个语句（分号） |
| E703 | statement ends with a semicolonE703语句以分号结尾 |
| E704 (*) | multiple statements on one line (def)E704（*）一行有多个语句（def） |
| E711 (^) | comparison to None should be ‘if cond is None:’E711（^）与None的比较应为'if cond is None:' |
| E712 (^) | comparison to True should be ‘if cond is True:’ or ‘if cond:’E712（^）与True的比较应为'if cond is True:'或'if cond:' |
| E713 | test for membership should be ‘not in’E713成员资格测试应为“不在” |
| E714 | test for object identity should be ‘is not’E714对象标识的测试应为“不是” |
| E721 (^) | do not compare types, use ‘isinstance()’E721（^）不比较类型，请使用'isinstance（）' |
| E722 | do not use bare except, specify exception insteadE722不使用bare except，而是指定exception |
| E731 | do not assign a lambda expression, use a defE731不分配lambda表达式，使用def |
| E741 | do not use variables named ‘l’, ‘O’, or ‘I’E741不使用名为“l”、“O”或“I”的变量 |
| E742 | do not define classes named ‘l’, ‘O’, or ‘I’E742不定义名为“l”、“O”或“I”的类 |
| E743 | do not define functions named ‘l’, ‘O’, or ‘I’E743不定义名为“l”、“O”或“I”的函数 |
| E9 | RuntimeE9运行时 |
| E901 | SyntaxError or IndentationErrorE901语法错误或缩进错误 |
| E902 | IOErrorE902 IO错误 |
| W1 | Indentation warningW1缩进警告 |
| W191 | indentation contains tabsW191缩进包含制表符 |
| W2 | Whitespace warningW2空白警告 |
| W291 | trailing whitespaceW291尾随空白 |
| W292 | no newline at end of fileW292文件末尾没有换行符 |
| W293 | blank line contains whitespaceW293空行包含空格 |
| W3 | Blank line warningW3空行警告 |
| W391 | blank line at end of fileW391文件末尾的空行 |
| W5 | Line break warningW5断线警告 |
| W503 (*) | line break before binary operatorW503（*）二进制运算符前的换行符 |
| W504 (*) | line break after binary operatorW504（*）二进制运算符后的换行符 |
| W505 (*^) | doc line too long (82 > 79 characters)W505（*^）文档行太长（82>79个字符） |
| W6 | Deprecation warning 折旧警告 |
| W601 | .has_key() is deprecated, use ‘in’ .has_key（）已弃用，请使用“in” |
| W602 | deprecated form of raising exception 不推荐的引发异常的形式 |
| W603 | ‘<>’ is deprecated, use ‘!=’ “<>”已弃用，请使用“！=’ |
| W604 | backticks are deprecated, use ‘repr()’反勾号已弃用，请使用'repr（）' |
| W605 | invalid escape sequence ‘x’无效的转义序列“x” |
| W606 | ‘async’ and ‘await’ are reserved keywords starting with Python 3.7 'async'和'await'是从Python 3.7开始的保留关键字 |
用 pre-commit hook 解决 Python 项目编码规范 - 掘金 https://juejin.im/post/5cdb8adc518825697d771349
CI也要加入
flake8
Flake 8会报出一个信息：
line too long (791 > 79 characters) E501 怎么解决呢？
于是我查了一下，引入一个长字符串的情况下，如果想让某一行被Flake 8忽略，而不报警行太长，可以用 # noqa 标记来解决，把它放在行尾即可。