title: Python logging: left align with brackets
body: <p>I would like to format the logger with brackets and left-align the text.</p>
  
  <pre><code>formatter = logging.Formatter('[%(asctime)s] [%(levelname)-8s] [%(funcName)-12s]   %(message)s')
  </code></pre>
  
  <p>Here is the result</p>
  
  <pre><code>[2019-09-13 16:22:56,050] [INFO    ] [main        ]   Message 1
  [2019-09-13 16:22:56,050] [DEBUG   ] [do_debug    ]   Message 2
  [2019-09-13 16:22:56,050] [WARNING ] [do_warning  ]   Message 3
  </code></pre>
  
  <p>But i would like to get something like this</p>
  
  <pre><code>[2019-09-13 16:22:56,050] [INFO]     [main]           Message 1
  [2019-09-13 16:22:56,050] [DEBUG]    [do_debug]       Message 2
  [2019-09-13 16:22:56,050] [WARNING]  [do_warning]     Message 3
  </code></pre>