Use Pylint message names instead of codes (microsoft#3600)

For microsoft#2906

Author: RomanKornev

news/1 Enhancements/2906.md

@@ -0,0 +1,2 @@
+Use Pylint message names instead of codes
+(thanks to [Roman Kornev](https://github.com/RomanKornev/))

src/client/linters/pylint.ts

@@ -15,6 +15,8 @@ import { ILintMessage } from './types';
 const pylintrc = 'pylintrc';
 const dotPylintrc = '.pylintrc';
 
+const REGEX = '(?<line>\\d+),(?<column>-?\\d+),(?<type>\\w+),(?<code>[\\w-]+):(?<message>.*)\\r?(\\n|$)';
+
 export class Pylint extends BaseLinter {
  private fileSystem: IFileSystem;
  private platformService: IPlatformService;
@@ -67,12 +69,12 @@ export class Pylint extends BaseLinter {
  ];
  }
  const args = [
- '--msg-template=\'{line},{column},{category},{msg_id}:{msg}\'',
+ '--msg-template=\'{line},{column},{category},{symbol}:{msg}\'',
  '--reports=n',
  '--output-format=text',
  uri.fsPath
  ];
- const messages = await this.run(minArgs.concat(args), document, cancellation);
+ const messages = await this.run(minArgs.concat(args), document, cancellation, REGEX);
  messages.forEach(msg => {
  msg.severity = this.parseMessagesSeverity(msg.type, this.pythonSettings.linting.pylintCategorySeverity);
  });