Flake8 is a wrapper around these tools:PyFlakes

pep8

Ned Batchelder’s McCabe script

PyFlakes是您可能希望檢測到此類錯誤的部分。但它檢測到的很少，它解釋了為什么：Pyflakes is also faster than Pylint or Pychecker. This is largely because Pyflakes only examines the syntax tree of each file individually. As a consequence, Pyflakes is more limited in the types of things it can check.

flake8文檔列出了Pyflakes提供的錯誤代碼：code sample message

F401 module imported but unused

F402 import module from line N shadowed by loop variable

F403 ‘from module import *’ used; unable to detect undefined names

F404 future import(s) name after other statements

F811 redefinition of unused name from line N

F812 list comprehension redefines name from line N

F821 undefined name name

F822 undefined name name in __all__

F823 local variable name ... referenced before assignment

F831 duplicate argument name in function definition

F841 local variable name is assigned to but never used

我先推薦PyCharm，然后是PyLint。在

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