nginx2apache.py

import re

FILE_PATH = 'nginx-rewrite.txt'
RR = 'RewriteRule'
 
def relate(r):
    ans = re.findall(r'rewrite\s*([^\s]+?)\s*([^;\s]+?);', r)
    assert len(ans) == 1
    return ans[0]
 
def solve(l, rs):
    rs = re.findall(r'[^\n]+', rs, re.I|re.M)
    if l.startswith('='):
        l = l[1:].strip()
        assert len(rs) == 1
        assert l[0] == '/'
        f, t = relate(rs[0])
        print  RR + ' ^' + l[1:] + '$ ' + t + ' [QSA, L]'
    else:
        for r in rs:
            f, t = relate(r)
            assert f != '^(.*)$'
            f = re.sub(r'^\^/', r'^', f)
            print RR + ' ' + f + ' ' + t + ' [QSA, L]'
 
def main():
    f = open(FILE_PATH).read()
    for l in re.findall(r'location\s*([^{]+?)\s*{([^}]+)}', f, re.I|re.M):
        solve(*l)
 
if __name__ == '__main__':
    main()