SUBDIR += nzbhydra2

# $FreeBSD$

PORTNAME=	nzbhydra2

DISTVERSION=	2.2.0

CATEGORIES=	news java

MASTER_SITES=	https://github.com/theotherp/${PORTNAME}/releases/download/v${DISTVERSION}/

DISTNAME=	${PORTNAME}-${DISTVERSION}-linux

MAINTAINER=	daniel@shafer.cc

COMMENT=	Usenet meta search

LICENSE=	APACHE20

LICENSE_FILE=	${WRKSRC}/LICENSE

ONLY_FOR_ARCHS= amd64

USES=		python shebangfix zip

USE_JAVA=	yes

USE_RC_SUBR=	nzbhydra2

NO_BUILD=	yes

NO_WRKSUBDIR=	yes

SUB_FILES=	nzbhydra2 nzbhydra2wrapper.py

SUB_LIST=	PYTHON_CMD=${PYTHON_CMD} \

		JAVA=${JAVA}

JAVA_VERSION=	1.8 1.9 1.10

JAVA_VENDOR=	openjdk

JAVA_RUN=	yes

USERS=		nzbhydra2

GROUPS=		nzbhydra2

PLIST_FILES=	${DATADIR}/lib/core-2.2.0-exec.jar \

		${DATADIR}/nzbhydra2 \

		${DATADIR}/nzbhydra2wrapper.py \

		${DATADIR}/changelog.md \

		${DATADIR}/readme.md \

		${DATADIR}/LICENSE

post-extract:

	# Cleanup unnecessary files

	@${RM} -r ${WRKSRC}/systemd ${WRKSRC}/sysv ${WRKSRC}/rc.d ${WRKSRC}/upstart

do-install:

	@${MKDIR} ${STAGEDIR}/${DATADIR}

	${INSTALL} -d -m 755 ${STAGEDIR}/${DATADIR}

	cd ${WRKSRC} && ${COPYTREE_SHARE} \* ${STAGEDIR}/${DATADIR}

	${INSTALL_DATA} ${WRKDIR}/nzbhydra2wrapper.py ${STAGEDIR}/${DATADIR}

.include <bsd.port.mk>

TIMESTAMP = 1546676442

SHA256 (nzbhydra2-2.2.0-linux.zip) = 4c1d8645dae530f136a34bfaafd6f778ee1a25b7ee8554db62058df61929b5df

SIZE (nzbhydra2-2.2.0-linux.zip) = 57881316

#!/bin/sh

#

# $FreeBSD$

#

# PROVIDE: nzbhydra2

# REQUIRE: LOGIN

# KEYWORD: shutdown

#

# Add the following lines to /etc/rc.conf.local or /etc/rc.conf

# to enable this service:

#

# nzbhydra2_enable (bool):	Set to NO by default.

#			Set it to YES to enable it.

# nzbhydra2_user:	The user account nzbhydra daemon runs as what

#			you want it to be. It uses '_sabnzbd' user by

#			default. Do not sets it as empty or it will run

#			as root.

# nzbhydra2_group:	The group account nzbhydra daemon runs as what

#			you want it to be. It uses 'nzbhydra2' group by

#			default. Do not sets it as empty or it will run

#			as wheel.

# nzbhydra2_dir:	Directory where nzbhydra lives.

#			Default: %%PREFIX%%/share/nzbhydra2

# nzbhydra2_datafolder:	Data directory for nzbhydra (DB, Logs, config)

#			Default: %%PREFIX%%/nzbhydra2

. /etc/rc.subr

name="nzbhydra2"

rcvar=${name}_enable

load_rc_config ${name}

: ${nzbhydra2_enable:="NO"}

: ${nzbhydra2_user:="nzbhydra2"}

: ${nzbhydra2_group:="nzbhydra2"}

: ${nzbhydra2_dir:="%%PREFIX%%/share/nzbhydra2"}

: ${nzbhydra2_datafolder:="%%PREFIX%%/nzbhydra2"}

pidfile="/var/run/nzbhydra2/nzbhydra2.pid"

command="%%PYTHON_CMD%%"

command_args="${nzbhydra2_dir}/nzbhydra2wrapper.py --datafolder ${nzbhydra2_datafolder} --pidfile ${pidfile} --daemon --nobrowser --java %%JAVA%%"

start_precmd="prestart"

prestart() {

	if [ -f ${pidfile} ]; then

		rm -f ${pidfile}

		echo "Removing stale pidfile."

	elif [ ! -d ${pidfile%/*} ]; then

		install -d -o ${nzbhydra2_user} -g ${nzbhydra2_group} ${pidfile%/*}

	fi

	if [ ! -d ${nzbhydra2_datadir} ]; then

		install -d -o ${nzbhydra2_user} -g ${nzbhydra2_group} ${nzbhydra2_datadir}

	fi

}

run_rc_command "$1"

#!%%PYTHON_CMD%%

from __future__ import print_function

import sys

CURRENT_PYTHON = sys.version_info[:2]

REQUIRED_PYTHON = (2, 7)

# This check and everything above must remain compatible with Python 2.7 and above.

if CURRENT_PYTHON > REQUIRED_PYTHON:

    sys.stderr.write("This script requires Python {}.{}, but you're trying to run it on Python {}.{}.".format(*(REQUIRED_PYTHON + CURRENT_PYTHON)))

    sys.exit(1)

import argparse

import datetime

import logging

import os

import platform

import re

import shutil

import subprocess

import zipfile

from __builtin__ import file

from logging.handlers import RotatingFileHandler

jarFile = None

basepath = None

args = []

unknownArgs = []

terminatedByWrapper = False

LOGGER_DEFAULT_FORMAT = u'%(asctime)s  %(levelname)s - %(message)s'

LOGGER_DEFAULT_LEVEL = 'INFO'

logger = logging.getLogger('root')

console_logger = logging.StreamHandler(sys.stdout)

console_logger.setFormatter(logging.Formatter(LOGGER_DEFAULT_FORMAT))

console_logger.setLevel(LOGGER_DEFAULT_LEVEL)

logger.addHandler(console_logger)

file_logger = None

logger.setLevel(LOGGER_DEFAULT_LEVEL)

consoleLines = []

def getBasePath():

    global basepath

    if basepath is not None:

        return basepath

    if "HYDRAWORKINGFOLDER" in os.environ.keys():

        return os.environ["HYDRAWORKINGFOLDER"]

    import sys

    if sys.executable:

        basepath = os.path.dirname(sys.executable)

        if os.path.exists(os.path.join(basepath, "readme.md")) and os.path.exists(os.path.join(basepath, "changelog.md")):

            return basepath

    basepath = os.path.dirname(os.path.abspath(sys.argv[0]))

    if os.path.exists(os.path.join(basepath, "readme.md")) and os.path.exists(os.path.join(basepath, "changelog.md")):

        return basepath

    try:

        basepath = os.path.dirname(os.path.abspath(__file__))

    except NameError:  # We are the main py2exe script, not a module

        import sys

        basepath = os.path.dirname(os.path.abspath(sys.argv[0]))

    return basepath

class GracefulKiller:

    def __init__(self):

        import signal

        signal.signal(signal.SIGINT, terminated)

        signal.signal(signal.SIGTERM, terminated)

def terminated(signum, frame):

    logger.info("Terminated by signal %d" % signum)

    killProcess()

def killProcess():

    if process is not None and process.poll() is None:

        global terminatedByWrapper

        logger.info("NZBHydra2 wrapper shutdown request. Terminating main process gracefully")

        terminatedByWrapper = True

        process.terminate()

def daemonize(pidfile, nopidfile):

    # Make a non-session-leader child process

    try:

        pid = os.fork()  # @UndefinedVariable - only available in UNIX

        if pid != 0:

            os._exit(0)

    except OSError as e:

        sys.stderr.write("fork #1 failed: %d (%s)\n" % (e.errno, e.strerror))

        sys.exit(1)

    os.setsid()  # @UndefinedVariable - only available in UNIX

    # Make sure I can read my own files and shut out others

    prev = os.umask(0)

    os.umask(prev and int('077', 8))

    # Make the child a session-leader by detaching from the terminal

    try:

        pid = os.fork()  # @UndefinedVariable - only available in UNIX

        if pid != 0:

            os._exit(0)

    except OSError as e:

        sys.stderr.write("fork #2 failed: %d (%s)\n" % (e.errno, e.strerror))

        sys.exit(1)

    # Write pid

    if not nopidfile:

        pid = str(os.getpid())

        try:

            file(pidfile, 'w').write("%s\n" % pid)

        except IOError as e:

            sys.stderr.write(u"Unable to write PID file: " + pidfile + ". Error: " + str(e.strerror) + " [" + str(e.errno) + "]")

            sys.exit(1)

    else:

        print("no pid file")

    # Redirect all output

    sys.stdout.flush()

    sys.stderr.flush()

    devnull = getattr(os, 'devnull', '/dev/null')

    stdin = file(devnull, 'r')

    stdout = file(devnull, 'a+')

    stderr = file(devnull, 'a+')

    os.dup2(stdin.fileno(), sys.stdin.fileno())

    os.dup2(stdout.fileno(), sys.stdout.fileno())

    os.dup2(stderr.fileno(), sys.stderr.fileno())

def setupLogger():

    logsFolder = os.path.join(args.datafolder, "logs")

    if not os.path.exists(logsFolder):

        os.makedirs(logsFolder)

    logfilename = os.path.join(logsFolder, "wrapper.log")

    if not args.quiet:

        print("Logging wrapper output to " + logfilename)

    if not args.quiet:

        console_logger.setLevel("INFO")

    else:

        console_logger.setLevel("CRITICAL")

    global file_logger

    file_logger = RotatingFileHandler(filename=logfilename, maxBytes=100000, backupCount=1)

    file_logger.setFormatter(logging.Formatter(LOGGER_DEFAULT_FORMAT))

    file_logger.setLevel("INFO")

    logger.addHandler(file_logger)

    logger.setLevel("INFO")

def update():

    global jarFile

    basePath = getBasePath()

    updateFolder = os.path.join(args.datafolder, "update")

    libFolder = os.path.join(basePath, "lib")

    isWindows = any([x for x in os.listdir(basePath) if x.lower().endswith(".exe")])

    logger.debug("Is Windows installation: %r", isWindows)

    if not os.path.exists(updateFolder):

        logger.critical("Error: Update folder %s does not exist", updateFolder)

        sys.exit(-2)

    onlyfiles = [f for f in os.listdir(updateFolder) if os.path.isfile(os.path.join(updateFolder, f))]

    if len(onlyfiles) != 1 or not onlyfiles[0].lower().endswith("zip"):

        logger.critical("Error: Unable to identify update ZIP")

        sys.exit(-2)

    updateZip = os.path.join(updateFolder, onlyfiles[0])

    try:

        with zipfile.ZipFile(updateZip, "r") as zf:

            logger.info("Extracting updated files to %s", basePath)

            for member in zf.namelist():

                if not member.lower() == "nzbhydra2" and not member.lower().endswith(".exe"):

                    logger.debug("Extracting %s to %s", member, basePath)

                    try:

                        zf.extract(member, basePath)

                    except IOError as ex:

                        logger.critical("Unable to extract file %s to path %s: %s", member, basePath, ex)

                        sys.exit(-2)

        logger.info("Removing update ZIP %s", updateZip)

        os.remove(updateZip)

        filesInLibFolder = [f for f in os.listdir(libFolder) if os.path.isfile(os.path.join(libFolder, f)) and f.endswith(".jar")]

        logger.info("Found %d JAR files in lib folder", len(filesInLibFolder))

        for file in filesInLibFolder:

            logger.info("Found file: %s", file)

        if len(filesInLibFolder) == 2:

            logger.info("Deleting old JAR %s", jarFile)

            os.remove(jarFile)

        elif len(filesInLibFolder) == 1:

            if filesInLibFolder[0] == os.path.basename(jarFile):

                logger.warning("New JAR file in lib folder is the same as the old one. The update may not have found a newer version or failed for some reason")

        else:

            logger.warning("Expected the number of JAR files in folder %s to be 2 but it's %d. This will be fixed with the next start", libFolder, len(filesInLibFolder))

    except zipfile.BadZipfile:

        logger.critical("File is not a ZIP")

        sys.exit(-2)

    logger.info("Deleting folder " + updateFolder)

    shutil.rmtree(updateFolder)

    logger.info("Update successful, restarting Hydra main process")

def restore():

    global args

    dataFolder = args.datafolder

    restoreFolder = os.path.join(args.datafolder, "restore")

    if not os.path.exists(dataFolder):

        logger.critical("Data folder %s does not exist", dataFolder)

        sys.exit(-1)

    if not os.path.exists(restoreFolder):

        logger.critical("Restore folder %s does not exist", restoreFolder)

        sys.exit(-1)

    try:

        oldSettingsFile = os.path.join(dataFolder, "nzbhydra.yml")

        logger.info("Deleting old settings file " + oldSettingsFile)

        os.remove(oldSettingsFile)

        oldDatabaseFile = os.path.join(dataFolder, "database", "nzbhydra.mv.db")

        logger.info("Deleting old database file " + oldDatabaseFile)

        os.remove(oldDatabaseFile)

    except Exception as e:

        logger.critical("Error while deleting old data folder: %r", e)

        sys.exit(-1)

    for f in os.listdir(restoreFolder):

        source = os.path.join(restoreFolder, f)

        if source.endswith("db"):

            dest = os.path.join(dataFolder, "database", f)

        else:

            dest = os.path.join(dataFolder, f)

        logger.info("Moving " + source + " to " + dest)

        shutil.move(source, dest)

    logger.info("Deleting folder " + restoreFolder)

    os.rmdir(restoreFolder)

    logger.info("Moved all files from restore folder to data folder")

    return True

# From https://github.com/pyinstaller/pyinstaller/wiki/Recipe-subprocess

def subprocess_args(include_stdout=True):

    # The following is true only on Windows.

    if hasattr(subprocess, 'STARTUPINFO'):

        # On Windows, subprocess calls will pop up a command window by default

        # when run from Pyinstaller with the ``--noconsole`` option. Avoid this

        # distraction.

        si = subprocess.STARTUPINFO()

        try:

            import _subprocess

            si.dwFlags |= _subprocess.STARTF_USESHOWWINDOW

        except:

            si.dwFlags |= subprocess.STARTF_USESHOWWINDOW

        # Windows doesn't search the path by default. Pass it an environment so

        # it will.

        env = os.environ.copy()

    else:

        si = None

        env = None

    # ``subprocess.check_output`` doesn't allow specifying ``stdout``::

    #

    #   Traceback (most recent call last):

    #     File "test_subprocess.py", line 58, in <module>

    #       **subprocess_args(stdout=None))

    #     File "C:\Python27\lib\subprocess.py", line 567, in check_output

    #       raise ValueError('stdout argument not allowed, it will be overridden.')

    #   ValueError: stdout argument not allowed, it will be overridden.

    #

    # So, add it only if it's needed.

    if include_stdout:

        ret = {'stdout': subprocess.PIPE}

    else:

        ret = {}

    # On Windows, running this from the binary produced by Pyinstaller

    # with the ``--noconsole`` option requires redirecting everything

    # (stdin, stdout, stderr) to avoid an OSError exception

    # "[Error 6] the handle is invalid."

    ret.update({'stdin': subprocess.PIPE,

                'stderr': subprocess.STDOUT,

                'startupinfo': si,

                'env': env})

    return ret

def startup():

    global jarFile, process, args, unknownArgs, consoleLines

    basePath = getBasePath()

    readme = os.path.join(basePath, "readme.md")

    if not os.path.exists(readme):

        logger.critical("Unable to determine base path correctly. Please make sure to run NZBHydra in the folder where its binary is located. Current base path: " + basePath)

        sys.exit(-1)

    debugSwitchFile = os.path.join(args.datafolder, "DEBUG")

    if os.path.exists(debugSwitchFile):

        logger.setLevel("DEBUG")

        global file_logger, console_logger

        file_logger.setLevel("DEBUG")

        console_logger.setLevel("DEBUG")

        logger.info("Setting wrapper log level to DEBUG")

    isWindows = platform.system().lower() == "windows"

    libFolder = os.path.join(basePath, "lib")

    if not os.path.exists(libFolder):

        logger.critical("Error: Lib folder %s not found. An update might've failed or the installation folder is corrupt", libFolder)

        sys.exit(-1)

    jarFiles = [os.path.join(libFolder, f) for f in os.listdir(libFolder) if os.path.isfile(os.path.join(libFolder, f)) and f.endswith(".jar")]

    if len(jarFiles) == 0:

        logger.critical("Error: No JAR files found in folder %s. An update might've failed or the installation folder is corrupt", libFolder)

        sys.exit(-1)

    if len(jarFiles) == 1:

        jarFile = jarFiles[0]

    else:

        latestFile = max(jarFiles, key=os.path.getmtime)

        logger.warning("Expected the number of JAR files in folder %s to be 1 but it's %d. Will remove all JARs except the one last changed: %s", libFolder, len(jarFiles), latestFile)

        for file in jarFiles:

            if file is not latestFile:

                logger.info("Deleting file %s", file)

                os.remove(file)

        jarFile = latestFile

    logger.debug("Using JAR file " + jarFile)

    if args.repairdb:

        arguments = ["--repairdb", args.repairdb]

    elif args.version:

        arguments = ["--version"]

    else:

        arguments = unknownArgs  # Those arguments not "caught" by this parser

        # We need to set the ones which we "pass through" separately

        if args.restarted and "restarted" not in arguments:

            arguments.append("restarted")

        if (args.daemon in arguments or args.nobrowser) and "--nobrowser" not in arguments:

            arguments.append("--nobrowser")

        if args.datafolder and "--datafolder" not in arguments:

            arguments.append("--datafolder")

            arguments.append(escape_parameter(isWindows, args.datafolder))

        if args.host and "--host" not in arguments:

            arguments.append("--host")

            arguments.append(args.host)

        if args.port and "--port" not in arguments:

            arguments.append("--port")

            arguments.append(args.port)

        if args.baseurl and "--baseurl" not in arguments:

            arguments.append("--baseurl")

            arguments.append(args.baseurl)

    yamlPath = os.path.join(args.datafolder, "nzbhydra.yml")

    if args.xmx:

        xmx = args.xmx

    elif os.path.exists(yamlPath):

        with open(yamlPath, "r") as f:

            for line in f.readlines():

                index = line.find("xmx:")

                if index > -1:

                    xmx = line[index + 5:].rstrip("\n\r ")

                    break

            else:

                logger.warn("Didn't find XMX in YAML file, using default of 256")

                xmx = 256

    else:

        logger.info("No file nzbhydra.yml found. Using 256M XMX")

        xmx = 256

    xmx = str(xmx)

    if xmx.lower().endswith("m"):

        logger.info("Removing superfluous M from XMX value " + xmx)

        xmx = xmx[:-1]

    javaVersion = getJavaVersion(args.java)

    gcLogFilename = (os.path.join(args.datafolder, "logs") + "/gclog-" + datetime.datetime.now().strftime("%Y-%m-%d_%H-%M-%S") + ".log").replace("\\", "/")

    gcLogFilename = os.path.relpath(gcLogFilename, basePath)

    gcArguments = []

    if javaVersion < 9:

        gcArguments = ["-Xloggc:" + gcLogFilename,

                       "-XX:+PrintGCDetails",

                       "-XX:+PrintGCTimeStamps",

                       "-XX:+PrintTenuringDistribution",

                       "-XX:+PrintGCCause",

                       "-XX:+UseGCLogFileRotation",

                       "-XX:NumberOfGCLogFiles=10",

                       "-XX:GCLogFileSize=5M",

                       ]

    else:

        gcArguments = [

            "-Xlog:gc*:file=" + gcLogFilename + "::filecount=10,filesize=5000"]

    java_arguments = ["-Xmx" + xmx + "M",

                      "-DfromWrapper",

                      "-XX:TieredStopAtLevel=1",

                      "-noverify",

                      "-XX:+HeapDumpOnOutOfMemoryError",

                      "-XX:HeapDumpPath=" + os.path.join(args.datafolder, "logs")

                      ]

    java_arguments.extend(gcArguments)

    if args.debugport:

        java_arguments.append("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:" + args.debugport)

    if not args.nocolors and not isWindows:

        java_arguments.append("-Dspring.output.ansi.enabled=ALWAYS")

    if args.debug:

        java_arguments.append("-Ddebug=true")

    arguments = [args.java] + java_arguments + ["-jar", escape_parameter(isWindows, jarFile)] + arguments

    commandLine = " ".join(arguments)

    logger.info("Starting NZBHydra main process with command line: %s in folder %s", commandLine, basePath)

    if hasattr(subprocess, 'STARTUPINFO'):

        si = subprocess.STARTUPINFO()

        try:

            import _subprocess

            si.dwFlags |= _subprocess.STARTF_USESHOWWINDOW

        except:

            si.dwFlags |= subprocess.STARTF_USESHOWWINDOW

    else:

        si = None

    # todo check shell=True/False for linux and windows

    # shell=true: pass string, shell=false: pass arguments

    try:

        process = subprocess.Popen(arguments, shell=False, cwd=basePath, bufsize=-1, **subprocess_args())

        # atexit.register(killProcess)

        while True:

            # Handle error first in case startup of main process returned only an error (on stderror)

            nextline = process.stdout.readline()

            if nextline == '' and process.poll() is not None:

                break

            if nextline != "":

                consoleLines.append(nextline)

            if len(consoleLines) > 100:

                consoleLines = consoleLines[-100:]

            if not args.quiet:

                sys.stdout.write(nextline)

                sys.stdout.flush()

        process.wait()

        return process

    except Exception as e:

        logger.error("Unable to start process; make sure Java is installed and callable. Error message: " + str(e))

def escape_parameter(is_windows, parameter):

    return parameter  # TODO FInd out when to actually escape with windows, I think when shell=True is used

    # return '"' + parameter + '"' if is_windows else parameter

def list_files(startpath):

    for root, dirs, files in os.walk(startpath):

        level = root.replace(startpath, '').count(os.sep)

        indent = ' ' * 4 * (level)

        logger.info('{}{}/'.format(indent, os.path.basename(root)))

        subindent = ' ' * 4 * (level + 1)

        for f in files:

            logger.info('{}{}'.format(subindent, f))

def handleUnexpectedExit():

    global consoleLines

    message = "Main process shut down unexpectedly. If the wrapper was started in daemon mode you might not see the error output. Start Hydra manually with the same parameters in the same environment to see it"

    for x in consoleLines:

        if "Unrecognized option: -Xlog" in x:

            message = "You seem to be trying to run NZBHydra with a wrong Java version. Please make sure to use at least Java 9"

        elif "java.lang.OutOfMemoryError" in x:

            message = "The main process has exited because it didn't have enough memory. Please increase the XMX value in the main config"

    logger.error(message)

    sys.exit(-1)

def getJavaVersion(javaExecutable):

    if hasattr(subprocess, 'STARTUPINFO'):

        si = subprocess.STARTUPINFO()

        try:

            import _subprocess

            si.dwFlags |= _subprocess.STARTF_USESHOWWINDOW

        except:

            si.dwFlags |= subprocess.STARTF_USESHOWWINDOW

    else:

        si = None

    # todo check shell=True/False for linux and windows

    # shell=true: pass string, shell=false: pass arguments

    try:

        lines = []

        process = subprocess.Popen([javaExecutable, "-version"], shell=False, bufsize=-1, **subprocess_args())

        # atexit.register(killProcess)

        while True:

            # Handle error first in case startup of main process returned only an error (on stderror)

            nextline = process.stdout.readline()

            if nextline == '' and process.poll() is not None:

                break

            if nextline != "":

                lines.append(nextline)

        process.wait()

        if len(lines) == 0:

            raise Exception("Unable to get output from call to java -version")

        versionLine = lines[0].replace("\n", "").replace("\r", "")

        match = re.match('(java|openjdk) version "(?P<major>\d+)(\.(?P<minor>\d+)\.(?P<patch>\d)+[\-_\w]*)?".*', versionLine)

        if match is None:

            raise Exception("Unable to determine java version from string " + lines[0])

        javaMajor = int(match.group("major"))

        javaMinor = int(match.group("minor")) if match.group("minor") is not None else 0

        javaVersion = 0

        if (javaMajor == 1 and javaMinor < 8) or (javaMajor > 1 and javaMajor < 8):

            logger.error("Found incompatible java version '" + versionLine + "'")

            sys.exit(-1)

        if javaMajor == 1 and javaMinor == 8:

            javaVersion = 8

        else:

            javaVersion = javaMajor

        logger.info("Determined java version as '%d' from version string '%s'", javaVersion, versionLine)

        return javaVersion

    except Exception as e:

        logger.error("Unable to determine java version; make sure Java is installed and callable. Error message: " + str(e))

        sys.exit(-1)

if __name__ == '__main__':

    GracefulKiller()

    parser = argparse.ArgumentParser(description='NZBHydra 2')

    parser.add_argument('--java', action='store', help='Full path to java executable', default="java")

    parser.add_argument('--debugport', action='store', help='Set debug port to enable remote debugging', default=None)

    parser.add_argument('--daemon', '-D', action='store_true', help='Run as daemon. *nix only', default=False)

    parser.add_argument('--pidfile', action='store', help='Path to PID file. Only relevant with daemon argument', default="nzbhydra2.pid")

    parser.add_argument('--nopidfile', action='store_true', help='Disable writing of PID file. Only relevant with daemon argument', default=False)

    parser.add_argument('--nocolors', action='store_true', help='Disable color coded console output (disabled on Windows by default)', default=False)

    parser.add_argument('--listfiles', action='store', help='Lists all files in given folder and quits. For debugging docker', default=None)

    # Pass to main process

    parser.add_argument('--datafolder', action='store', help='Set the main data folder containing config, database, etc using an absolute path', default=os.path.join(getBasePath(), "data"))

    parser.add_argument('--xmx', action='store', help='Java Xmx setting in MB (e.g. 256)', default=None)

    parser.add_argument('--quiet', action='store_true', help='Set to disable all console output', default=False)

    parser.add_argument('--host', action='store', help='Set the host')

    parser.add_argument('--port', action='store', help='Set the port')

    parser.add_argument('--baseurl', action='store', help='Set the base URL (e.g. /nzbhydra)')

    parser.add_argument('--nobrowser', action='store_true', help='Set to disable opening of browser at startup', default=False)

    parser.add_argument('--debug', action='store_true', help='Start with more debugging output', default=False)

    # Main process actions

    parser.add_argument('--repairdb', action='store', help='Attempt to repair the database. Provide path to database file as parameter')

    parser.add_argument('--version', action='store_true', help='Print version')

    # Internal logic

    parser.add_argument('--restarted', action='store_true', default=False, help=argparse.SUPPRESS)

    args, unknownArgs = parser.parse_known_args()

    setupLogger()

    # Delete old files from last backup

    oldFiles = [f for f in os.listdir(getBasePath()) if os.path.isfile(os.path.join(getBasePath(), f)) and f.endswith(".old")]

    if len(oldFiles) > 0:

        logger.info("Deleting .old files from last update")

        for f in oldFiles:

            logger.debug("Deleting file %s", f)

            os.remove(f)

    if not (os.path.isabs(args.datafolder)):

        args.datafolder = os.path.join(os.getcwd(), args.datafolder)

        logger.info("Data folder path is not absolute. Will assume " + args.datafolder + " was meant")

    # Delete old control id file if it exists. Shouldn't ever exist or if it does it should be overwritten by main process, but who knows

    controlIdFilePath = os.path.join(args.datafolder, "control.id")

    if os.path.exists(controlIdFilePath):

        os.remove(controlIdFilePath)

    doStart = True

    if "--version" in unknownArgs or "--help" in unknownArgs:

        # no fancy shit, just start the file

        startup()

    elif args.listfiles is not None:

        path = args.listfiles

        curpath = os.path.dirname(os.path.realpath(__file__))

        if not os.path.isabs(path):

            path = os.path.join(curpath, path)

        logger.info("Listing files in %s", path)

        list_files(os.path.dirname(path))

    else:

        if args.daemon:

            logger.info("Daemonizing...")

            daemonize(args.pidfile, args.nopidfile)

        while doStart:

            process = startup()

            if process is None:

                logger.debug("No process found, exiting")

                sys.exit(-1)

            if terminatedByWrapper:

                logger.debug("Shutting down because child process was terminated by us after getting signal")

                sys.exit(0)

            if process.returncode == 1:

                handleUnexpectedExit()

            args.restarted = True

            # Try to read control code from file because under linux when started from the wrapper the return code is always 0

            controlCode = 0

            try:

                with open(controlIdFilePath, "r") as f:

                    controlCode = int(f.readline())

                    logger.debug("Control code read from file %s: %d", controlIdFilePath, controlCode)

            except Exception as e:

                controlCode = process.returncode

                if not (args.version or args.repairdb):

                    logger.warn("Unable to read control ID from %s: %s. Falling back to process return code %d", controlIdFilePath, e, controlCode)

            if os.path.exists(controlIdFilePath):

                try:

                    logger.debug("Deleting old control ID file %s", controlIdFilePath)

                    os.remove(controlIdFilePath)

                except Exception as e:

                    logger.error("Unable to delete control ID file %s: %s", controlIdFilePath, e)

            if controlCode == 11:

                logger.info("NZBHydra main process has terminated for updating")

                update()

                doStart = True

            elif controlCode == 22:

                logger.info("NZBHydra main process has terminated for restart")

                doStart = True

            elif controlCode == 33:

                logger.info("NZBHydra main process has terminated for restoration")

                doStart = restore()

                logger.info("Restoration successful")

                doStart = True

            elif args.version or args.repairdb:

                # Just quit without further ado, help was printed by main process

                doStart = False

            else:

                logger.info("NZBHydra main process has terminated for shutdown")

                doStart = False

NZBHydra 2 is a meta search for NZB indexers. It provides easy access to a 

number of raw and newznab based indexers. You can search all your indexers 

from one place and use it as an indexer source for tools like Sonarr, 

Radarr or CouchPotato.

WWW: https://github.com/theotherp/nzbhydra2