on run
    try
        my main(choose file of type ["public.tab-separated-values-text"])
    on error errs number errn
        return errs
    end try
end run

on main(csv)
    do shell script "python <<'EOF' - " & quoted form of POSIX path of csv & "
# coding: utf-8

import sys, os, csv, Cocoa

def set_new_attrs(cur, new_cdate, new_mdate):
    lc = Cocoa.NSLocale.alloc().initWithLocaleIdentifier_('en_US_POSIX')
    df = Cocoa.NSDateFormatter.alloc().init()

    df.setLocale_(lc)
    df.setDateFormat_('yyyy-MM-dd HH:mm:ss')

    new_cdate = df.dateFromString_(new_cdate)
    new_mdate = df.dateFromString_(new_mdate)

    if not new_cdate or not new_mdate: sys.exit('invalid date format')
    if new_cdate.timeIntervalSinceDate_(cur) > 0: new_cdate = cur
    if new_mdate.timeIntervalSinceDate_(cur) > 0: new_mdate = cur

    new_attrs = {
        Cocoa.NSFileCreationDate : new_cdate,
        Cocoa.NSFileModificationDate : new_mdate
    }

    return new_attrs

def main():
    cur = Cocoa.NSDate.date()

    with open(sys.argv[1]) as csvfile:
        reader = csv.reader(csvfile, delimiter = '\\t')
        header = next(reader)

        for row in reader:
            new_mdate, new_cdate, fpath = [x.decode('utf-8') for x in row]

            fpath = os.path.expanduser(fpath)

            if not os.path.exists(fpath):
                continue

            new_attrs = set_new_attrs(cur, new_cdate, new_mdate)

            res, err = Cocoa.NSFileManager.defaultManager().setAttributes_ofItemAtPath_error_(
                new_attrs,
                fpath,
                None
            )

            if not res:
                errs = err.localizedDescription().encode('utf-8')
                sys.exit(errs)

            # out = fpath.encode('utf-8')
            # print(out)

main()
EOF"
end main