Migrate fish history to zsh shell (python 2.7)

migrate-fish-history-to-zsh.py

import os
import re

def fish_to_zsh(cmd):
    return (cmd.replace('; and ', '&&')
               .replace('; or ', '||'))

with open(os.path.expanduser('~/.zsh_history.test'), 'a') as o:
    with open(os.path.expanduser('~/.local/share/fish/fish_history')) as f:
        for line in f:
            line = line.strip()
            if line and re.match('^- cmd:', line):
                meta, command = line.split('- cmd: ', 1)
                line = f.next().strip()
                if line and re.match('^when:', line):
                    meta, when = line.split('when: ', 1)
                    o.write(': %s:0;%s\n' % (when, fish_to_zsh(command)))