getmail postprocessor to move emails to specific folders according to ruls

.mailrules

From:sony@email.sonyentertainmentnetwork.com=f:spam
From:rundschreiben@abload.de=f:spam
To:wettbewerb@oliverse.ch=f:spam
From:no-reply@jetpack.com=f:spam
From:no-reply@airdroidmail.com=f:spam
From:mtvmobile@newsletter.sunrise.ch=f:spam
From:news@quickline.com=f:spam
From:no-reply@mail.instagram.com=f:spam
From:pinbot@explore.pinterest.com=f:spam
From:news@siroop.ch=f:spam
From:notification|From:facebookmail=f:spam
From:newsletter@bernhard-fishing.ch=f:spam
From:refer@booking.com=f:spam
From:survey@sbb.ch=f:spam
To:swiss-chaos@chaostreff.ch=f:mailinglists
Cc:swiss-chaos@chaostreff.ch=f:mailinglists
From:sbb.newsletter@sbb.ch=f:spam
From:info@siroop.ch=f:spam
From:Coveralls <notifications@github.com>=f:spam
From:elob@elob.cz=f:spam

mail_processor.py

#!/data/data/com.termux/files/usr/bin/python3
import sys
import email
import os
import time
import re
from email.header import decode_header
def savetofolder(message,foldername):
    filename=str(time.time())
    filename="~/mail/.{}/new/{}".format(foldername,filename)
    filename=os.path.expanduser(filename)
    with open (filename,"w") as mailfile:
        mailfile.write(message)
    sys.exit(99)

def realdecode_header(string):
    if not string:
        string=""
    d=decode_header(string)
    header=""
    for val,enc in d:
        if not type(val) == str:
            if not enc:
                enc="utf-8"
            val=val.decode(enc)
        header="{}{}".format(header,val)
    return header

message=[]
subject=""
sender=""
message=sys.stdin.read()
msg=email.message_from_string(message)
mailrulesfilepath=os.path.expanduser("~/.mailrules")
with open (mailrulesfilepath,"r") as mailrulesfile:
    mailrules=mailrulesfile.read()
# print(mailrules)
mailrules=mailrules.split("\n")
# print(mailrules)
for block in mailrules:
    block=block.strip()
    if len(block)>0:
        if block[0]!="#":
            filters,action=block.split("=")
            filters=filters.split("|")
            match=True
            for fil in filters:
                attr,val=fil.split(":",1)
                if msg[attr]:
                    if val not in realdecode_header(msg[attr]):
                        match=False
                else:
                    match=False
            if match:
                print("Message maches rule: {}".format(block),file=sys.stderr)
                func,arg=action.split(":",1)
                if func=="f":
                    savetofolder(message,arg)


print(message)