import os, portage_exception, email.Message, socket

def process(mysettings, cpv, logentries, fulltext):
    if(not "PORTAGE_ELOG_MAILCOMMAND" in mysettings.keys()) \
            or len(mysettings["PORTAGE_ELOG_MAILCOMMAND"]) == 0:
        raise portage_exception.MissingParameter("!!! Mail logging requested but PORTAGE_ELOG_MAILCOMMAND is not defined")
    else:
        mymailcmd = mysettings["PORTAGE_ELOG_MAILCOMMAND"]
        
        mymailfrom = ''
        mymailrecipient = ''
        if(not "PORTAGE_ELOG_MAILFROM" in mysettings.keys()) \
                or len(mysettings["PORTAGE_ELOG_MAILFROM"]) == 0:
            mymailfrom = "portage@localhost"
        else:
            mymailfrom = mysettings["PORTAGE_ELOG_MAILFROM"]

        if(not "PORTAGE_ELOG_MAILRECIPIENT" in mysettings.keys()) \
                or len(mysettings["PORTAGE_ELOG_MAILRECIPIENT"]) == 0:
            mymailrecipient = "root@localhost"
        else:
            mymailrecipient = mysettings["PORTAGE_ELOG_MAILRECIPIENT"]
        
        mymessage = email.Message.Message()
        mymessage.set_unixfrom(mymailfrom)
        mymessage.set_payload(fulltext)
        mymessage["To"] = ", ".join(mymailrecipient.split(' '))
        mymessage["From"] = mymailfrom
        
        mysubject = mysettings["PORTAGE_ELOG_MAILSUBJECT"]
        mysubject = mysubject.replace("${PACKAGE}", cpv)
        mysubject = mysubject.replace("${HOST}", socket.getfqdn())
        
        mymessage["Subject"] = mysubject

        runcmd = "%s -f'%s' %s" % (mymailcmd, mymailfrom, mymailrecipient)

        cmdpipe = os.popen(runcmd, "w")
        cmdpipe.write(mymessage.as_string())
        cmdpipe.close()

    return