Convert MultiMarkdown (MMD) citations to Pandoc citations

mmdcitation_to_pandoc.py

import re
import fileinput

def change_references(s):
    # inline citations are always single author, take them out of []
    s = re.sub(r'\[#([^\]]+);\]', '@\\1', s)
    
    n = 1
    # replace all the "," in [#xxx,xxx,xxx,xxx] with ,@ 
    while ( n > 0 ):
        (s, n) = re.subn(r'(\[#[^\]]+),([^\]]+\])', '\\1;@\\2', s)
        
    # replace [# with [@
    s = re.sub(r'\[#', '[@', s)

    # move suffix from [p. xx][#format] to [#format, p. xx]
    # but remember we already replaced # with @
    s = re.sub(r'\[([^#\]]+)\](\[@([^\]]+))\]', '\\2, \\1]', s)
        
    return s

content = ""
for line in fileinput.input():
    content += line

print change_references(content)