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package main
import (
"errors"
"strings"
log "github.com/Sirupsen/logrus"
flag "github.com/spf13/pflag"
)
// global config, gets overwritten by main
var _conf Config
func init() {
// overwrites unhelpful error message
flag.ErrHelp = errors.New("")
// we need to parse the config because of log level setting
configFile := flag.StringP("config", "c", "", "path to config file")
debug := flag.BoolP("debug", "d", false, "debug outputs")
verbose := flag.BoolP("verbose", "v", false, "same as --debug")
silent := flag.BoolP("silent", "s", false, "suppress outputs except warnings")
loglevel_f := flag.StringP("loglevel", "l", "Warn", `sets log level, can be "Warn", "Info" or "Debug"`)
flag.Bool("list-shops", false, `lists all crawlable shops`)
shopids_f := flag.StringP("restrict-shops", "r", "", `comma separated list of shop ids, crawls only these`)
user_agent_f := flag.StringP("user-agent", "u", "", "sets user agent")
delay_f := flag.Int("delay", 0, "toggles random delay between crawls")
ignore_robots_f := flag.Bool("ignore-robots-txt", true, "ignores robots.txt")
flag.Parse()
loglevel := strings.ToLower(*loglevel_f)
if *debug || *verbose || loglevel == "debug" {
log.SetLevel(log.DebugLevel)
} else if loglevel == "info" {
log.SetLevel(log.InfoLevel)
} else {
log.SetLevel(log.WarnLevel)
}
if *silent {
log.SetLevel(log.WarnLevel)
}
_conf.parseConfig(*configFile)
if *user_agent_f != "" {
_conf.UserAgent = *user_agent_f
}
if *delay_f != 0 {
_conf.Delay = *delay_f
}
if !*ignore_robots_f {
_conf.IgnoreRobotsTXT = *ignore_robots_f
}
if _conf.Debug && !*silent {
log.SetLevel(log.DebugLevel)
}
if "" != *shopids_f {
_conf.ShopIDs = strings.Split(*shopids_f, ",")
}
}
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