如何轻松使用包含单引号和双引号的python字符串？

Question

How to easily work with python strings containing both single and double quotes?

I do have some complex bash lines that do contain: single quotes, double quotes and escapes too and I do want to migrate them to python and I am looking for an easy way to do this, that would minimize the changes needed to these lines, ideally to keep them bash-compatible.

Example:

  #/bin/bash
  psql -h hostname db -c "\copy (select sr, id, rc AS jql from sr UNION select 'quickfilter', \"ID\", \"QUERY\" from \"AO_60DB71_QUICKFILTER\") TO xxx.csv"

As you can see it contains " , ' , escapes too... making quite ugly to re-escpaes them when moving them to python.

Answer 1

您可以在r前缀中使用三引号，以防止反斜杠具有特殊含义：

r'''\copy (select sr, id, rc AS jql from sr UNION select 'quickfilter', "ID", "QUERY" from "AO_60DB71_QUICKFILTER") TO xxx.csv'''