Compose valid Seive code (Fastmail filters) for recruiter spam

recruiter_seive.py

from typing import List

import json


def is_wildcard(email) -> bool:
    return bool('*' in email)


def main():
    wildcards: List[str] = []
    explicit: List[str] = []

    with open('./recruiters.deduped.txt', 'r') as f:
        for _, email in enumerate(f):
            email = email.rstrip()
            if not email:
                continue

            if is_wildcard(email):
                wildcards.append(email)
            else:
                explicit.append(email)

    if len(wildcards + explicit) == 0:
        return

    conditions = 'anyof(\n  address :matches "From" {wildcards},\n  address :is "From" {explicit})'.format(wildcards=json.dumps(wildcards), explicit=json.dumps(explicit))

    action = r"""{
    addflag "\\Seen";
    fileinto "INBOX.Recruiters";
    removeflag "\\Seen";
}
"""
    print('if {cond} {action}'.format(cond=conditions, action=action))


if __name__ == '__main__':
    main()

recruiters.deduped.txt

*@3ipeople.com
*@abacusservice.com
*@adventglobal.com
*@akraya.com
*@amigainformatics.com
*@amzur.com
*@anteogroup.com
*@apexsystems.com
*@apexsystemsinc.com
*@apnconsultinginc.com
*@appliedrg.com
*@aquesst.com
*@arminus.co
*@arminus.us
*@askstaffing.com
*@atlanticpartnerscorp.com
*@axelon.com
*@best-infosystems.com
*@careerbuilder.com
*@charterglobal.com
*@choicetechgroup.com
*@compnova.com
*@crystalequation.com
*@cybercoders.com
*@diversant.com
*@diverselynx.com
*@dtglobalstaffing.com
*@ehire.com
*@elev8staffing.com
*@empowerprofessionals.com
*@first-tek.com
*@gdhconsulting.com
*@genesis10.com
*@genuent.com
*@globalsyst.com
*@gttit.com
*@hackerxevents.com
*@hiredynamics.com
*@htrjobs.com
*@humanmicrosystemsinc.com
*@idctechnologies.com
*@idexcel.com
*@iic.com
*@indeed.com
*@infobahnsw.com
*@insightglobal.net
*@irishrecruiter.com
*@itmmi.com
*@itstaffinc.com
*@ittblazers.com
*@jdc-group.com
*@johnsonjobs.com
*@kimblegroup.com
*@kinetixhr.com
*@kochdavis.com
*@lancesoft.com
*@lincolnaim.com
*@lorventech.com
*@mastech.com
*@mastechdigital.com
*@matrixonweb.com
*@mavenalpha.com
*@meridiantechnologies.net
*@mondo.com
*@nescoresource.com
*@netmatrixsolutions.com
*@nutechsoft.com
*@nypunya.com
*@openviewpartners.com
*@panzersols.com
*@panzersolutions.com
*@paramountsoft.net
*@paretosg.com
*@pega.com
*@phisearch.com
*@placingit.com
*@prestigestaffing.com
*@principlesolutions.com
*@prutech.com
*@pyramidci.com
*@qgsearch.com
*@quantitativesystems.com
*@randstadusa.com
*@realsoftinc.com
*@relus.com
*@rht.com
*@roberthalf.com
*@roseit.com
*@route.monster.com
*@sgainc.com
*@simplion.com
*@smart-tek.net
*@softpath.net
*@spectraforce.com
*@stoneresource.net
*@strivector.com
*@suntechnologies.com
*@synergygbl.com
*@systelcomputers.com
*@systelinc.com
*@talenthound.us
*@tcml.com
*@theintersectgroup.com
*@themavengroup.com
*@thompsontalent.com
*@usgrpinc.com
*@ustechsolutionsinc.com
*@velossent.com
*@vereduscorp.com
*@veteranssourcinggroup.com
*@vui-inc.com
*@vui-inc.us
*@xduce.com
*@zolon.com
jobs-listings@linkedin.com
pridemorechristin@usa.com