Parse an ldif file extracting the userPassword field

parse_ldif_file.py

#!/usr/bin/env python
# pip install python-ldap
import sys, ldif

def main():
    if len(sys.argv) != 3:
        print("Usage: %s <ldif_dump.ldif> <outfile>") % sys.argv[0]
        sys.exit(-1)

    ldif_file  = sys.argv[1]
    outf = sys.argv[2]

    out = []
    with open(ldif_file, 'r') as ldiff:
      parser = ldif.LDIFRecordList(ldiff)
      parser.parse()

    for user in parser.all_records:
      out.append({k: user[1].get(k,None) for k in ['userPassword', 'cn']})

    with open(outf,'w') as outfile:
      for each in out:
        try:
          outfile.write(each['cn'][0] + ":" + each['userPassword'][0] + "\n")
        except:
          pass

if __name__ == "__main__":
  main()