Pycharm code specification tool flake8

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Code specification

• With the development of computer language , Code specification is something we should pay more attention to when writing code , When we use pycharm When writing code , We can borrow pycharm Tools flake8 Do code specification checks , So that the code specification meets the standard requirements .
• Code specifications can be reduced bug, Help code review , Reduce maintenance costs , More importantly, in large projects , We all use a common set of code standards , This can improve the cooperation efficiency between teams .

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One 、flake8 What is it? ？

Flake8 It is an auxiliary detection Python Is the code a standardized tool .

Two 、pycharm Installation and use in flake8

1. install

terminal The input terminal ：pip install flake8

2.flake8 Tool use

• stay terminal Used in terminal
  flake8 ( File path )
  

3、 ... and 、 Common errors in code specification

• Running on the terminal will show the problem of code format , You can modify and improve the code according to the prompts .

1. Missing space after comma

• 24:12: E231 missing whitespace after ‘,’
  resolvent ： In the 24 That's ok 12 Add a semicolon to the column

2. Only one blank line is needed at the end

• 36:30: W292 no newline at end of file
• 13:1: W391 blank line at end of file
  resolvent ： Add a blank line at the end

3. The sentence ends with a semicolon

• 11:15: E703 statement ends with a semicolon
  resolvent ： Find the end of the sentence , Delete the extra semicolon

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summary

for example ： The above is the code specification tool flake8 The content of , This article only briefly introduces flake8 stay pycharm Installation and use of ,flake8 It solves the problem that we can deal with code specification quickly and conveniently .