scripts/comparison.py [61:84]:
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    srcDbNames = [db for db in srcDbNames if db not in configure[EXCLUDE_DBS]]
    dstDbNames = [db for db in dstDbNames if db not in configure[EXCLUDE_DBS]]
    if len(srcDbNames) != len(dstDbNames):
        log_error("DIFF => database count not equals src[%s] != dst[%s].\nsrc: %s\ndst: %s" % (len(srcDbNames),
                                                                                              len(dstDbNames),
                                                                                              srcDbNames,
                                                                                              dstDbNames))
        return False
    else:
        log_info("EQUL => database count equals")

    # check database names and collections
    for db in srcDbNames:
        if db in configure[EXCLUDE_DBS]:
            log_info("IGNR => ignore database [%s]" % db)
            continue

        if dstDbNames.count(db) == 0:
            log_error("DIFF => database [%s] only in srcDb" % (db))
            return False

        # db.stats() comparison
        srcDb = src.conn[db] 
        dstDb = dst.conn[db] 
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scripts/comparison_3x.py [61:84]:
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    srcDbNames = [db for db in srcDbNames if db not in configure[EXCLUDE_DBS]]
    dstDbNames = [db for db in dstDbNames if db not in configure[EXCLUDE_DBS]]
    if len(srcDbNames) != len(dstDbNames):
        log_error("DIFF => database count not equals src[%s] != dst[%s].\nsrc: %s\ndst: %s" % (len(srcDbNames),
                                                                                              len(dstDbNames),
                                                                                              srcDbNames,
                                                                                              dstDbNames))
        return False
    else:
        log_info("EQUL => database count equals")

    # check database names and collections
    for db in srcDbNames:
        if db in configure[EXCLUDE_DBS]:
            log_info("IGNR => ignore database [%s]" % db)
            continue

        if dstDbNames.count(db) == 0:
            log_error("DIFF => database [%s] only in srcDb" % (db))
            return False

        # db.stats() comparison
        srcDb = src.conn[db] 
        dstDb = dst.conn[db] 
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