195 lines
7.1 KiB
Go
195 lines
7.1 KiB
Go
package config
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"reflect"
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_ "github.com/jinzhu/gorm/dialects/mysql"
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_ "github.com/jinzhu/gorm/dialects/sqlite"
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"github.com/photoprism/photoprism/pkg/fs"
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"github.com/urfave/cli"
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"gopkg.in/yaml.v2"
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)
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// define database drivers const
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const (
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DbTiDB = "internal"
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DbMySQL = "mysql"
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)
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// Params provides a struct in which application configuration is stored.
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// Application code must use functions to get config values, for two reasons:
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//
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// 1. Some values are computed and we don't want to leak implementation details (aims at reducing refactoring overhead).
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//
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// 2. Paths might actually be dynamic later (if we build a multi-user version).
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//
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// See https://github.com/photoprism/photoprism/issues/50#issuecomment-433856358
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type Params struct {
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AdminPassword string `yaml:"admin-password" flag:"admin-password"`
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WebDAVPassword string `yaml:"webdav-password" flag:"webdav-password"`
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Name string
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Url string `yaml:"url" flag:"url"`
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Title string `yaml:"title" flag:"title"`
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Subtitle string `yaml:"subtitle" flag:"subtitle"`
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Description string `yaml:"description" flag:"description"`
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Author string `yaml:"author" flag:"author"`
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Twitter string `yaml:"twitter" flag:"twitter"`
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Version string
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Copyright string
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Debug bool `yaml:"debug" flag:"debug"`
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ReadOnly bool `yaml:"read-only" flag:"read-only"`
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Public bool `yaml:"public" flag:"public"`
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Experimental bool `yaml:"experimental" flag:"experimental"`
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Workers int `yaml:"workers" flag:"workers"`
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WakeupInterval int `yaml:"wakeup-interval" flag:"wakeup-interval"`
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LogLevel string `yaml:"log-level" flag:"log-level"`
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ConfigFile string
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ConfigPath string `yaml:"config-path" flag:"config-path"`
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TempPath string `yaml:"temp-path" flag:"temp-path"`
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CachePath string `yaml:"cache-path" flag:"cache-path"`
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OriginalsPath string `yaml:"originals-path" flag:"originals-path"`
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ImportPath string `yaml:"import-path" flag:"import-path"`
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AssetsPath string `yaml:"assets-path" flag:"assets-path"`
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ResourcesPath string `yaml:"resources-path" flag:"resources-path"`
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DatabasePath string `yaml:"database-path" flag:"database-path"`
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DatabaseDriver string `yaml:"database-driver" flag:"database-driver"`
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DatabaseDsn string `yaml:"database-dsn" flag:"database-dsn"`
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SqlServerHost string `yaml:"sql-host" flag:"sql-host"`
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SqlServerPort uint `yaml:"sql-port" flag:"sql-port"`
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SqlServerPassword string `yaml:"sql-password" flag:"sql-password"`
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HttpServerHost string `yaml:"http-host" flag:"http-host"`
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HttpServerPort int `yaml:"http-port" flag:"http-port"`
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HttpServerMode string `yaml:"http-mode" flag:"http-mode"`
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HttpServerPassword string `yaml:"http-password" flag:"http-password"`
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SipsBin string `yaml:"sips-bin" flag:"sips-bin"`
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DarktableBin string `yaml:"darktable-bin" flag:"darktable-bin"`
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ExifToolBin string `yaml:"exiftool-bin" flag:"exiftool-bin"`
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HeifConvertBin string `yaml:"heifconvert-bin" flag:"heifconvert-bin"`
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PIDFilename string `yaml:"pid-filename" flag:"pid-filename"`
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LogFilename string `yaml:"log-filename" flag:"log-filename"`
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DetachServer bool `yaml:"detach-server" flag:"detach-server"`
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DetectNSFW bool `yaml:"detect-nsfw" flag:"detect-nsfw"`
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UploadNSFW bool `yaml:"upload-nsfw" flag:"upload-nsfw"`
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GeoCodingApi string `yaml:"geocoding-api" flag:"geocoding-api"`
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ThumbQuality int `yaml:"thumb-quality" flag:"thumb-quality"`
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ThumbSize int `yaml:"thumb-size" flag:"thumb-size"`
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ThumbLimit int `yaml:"thumb-limit" flag:"thumb-limit"`
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ThumbFilter string `yaml:"thumb-filter" flag:"thumb-filter"`
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DisableTensorFlow bool `yaml:"disable-tf" flag:"disable-tf"`
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DisableSettings bool `yaml:"disable-settings" flag:"disable-settings"`
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}
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// NewParams creates a new configuration entity by using two methods:
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//
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// 1. Load: This will initialize values from a yaml config file.
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//
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// 2. SetContext: Which comes after Load and overrides
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// any previous values giving an option two override file configs through the CLI.
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func NewParams(ctx *cli.Context) *Params {
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c := &Params{}
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c.Name = ctx.App.Name
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c.Copyright = ctx.App.Copyright
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c.Version = ctx.App.Version
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c.ConfigFile = fs.Abs(ctx.GlobalString("config-file"))
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if err := c.Load(c.ConfigFile); err != nil {
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log.Debug(err)
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}
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if err := c.SetContext(ctx); err != nil {
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log.Error(err)
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}
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return c
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}
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// expandFilenames converts path in config to absolute path
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func (c *Params) expandFilenames() {
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c.ConfigPath = fs.Abs(c.ConfigPath)
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c.ResourcesPath = fs.Abs(c.ResourcesPath)
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c.AssetsPath = fs.Abs(c.AssetsPath)
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c.CachePath = fs.Abs(c.CachePath)
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c.OriginalsPath = fs.Abs(c.OriginalsPath)
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c.ImportPath = fs.Abs(c.ImportPath)
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c.TempPath = fs.Abs(c.TempPath)
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c.DatabasePath = fs.Abs(c.DatabasePath)
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c.PIDFilename = fs.Abs(c.PIDFilename)
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c.LogFilename = fs.Abs(c.LogFilename)
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}
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// Load uses a yaml config file to initiate the configuration entity.
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func (c *Params) Load(fileName string) error {
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if !fs.FileExists(fileName) {
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return errors.New(fmt.Sprintf("config file not found: \"%s\"", fileName))
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}
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yamlConfig, err := ioutil.ReadFile(fileName)
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if err != nil {
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return err
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}
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return yaml.Unmarshal(yamlConfig, c)
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}
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// SetContext uses values from the CLI to setup configuration overrides
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// for the entity.
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func (c *Params) SetContext(ctx *cli.Context) error {
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v := reflect.ValueOf(c).Elem()
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// Iterate through all config fields
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for i := 0; i < v.NumField(); i++ {
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fieldValue := v.Field(i)
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tagValue := v.Type().Field(i).Tag.Get("flag")
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// Automatically assign values to fields with "flag" tag
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if tagValue != "" {
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switch t := fieldValue.Interface().(type) {
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case int, int64:
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// Only if explicitly set or current value is empty (use default)
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if ctx.IsSet(tagValue) {
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f := ctx.Int64(tagValue)
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fieldValue.SetInt(f)
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} else if ctx.GlobalIsSet(tagValue) || fieldValue.Int() == 0 {
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f := ctx.GlobalInt64(tagValue)
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fieldValue.SetInt(f)
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}
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case uint, uint64:
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// Only if explicitly set or current value is empty (use default)
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if ctx.IsSet(tagValue) {
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f := ctx.Uint64(tagValue)
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fieldValue.SetUint(f)
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} else if ctx.GlobalIsSet(tagValue) || fieldValue.Uint() == 0 {
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f := ctx.GlobalUint64(tagValue)
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fieldValue.SetUint(f)
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}
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case string:
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// Only if explicitly set or current value is empty (use default)
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if ctx.IsSet(tagValue) {
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f := ctx.String(tagValue)
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fieldValue.SetString(f)
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} else if ctx.GlobalIsSet(tagValue) || fieldValue.String() == "" {
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f := ctx.GlobalString(tagValue)
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fieldValue.SetString(f)
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}
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case bool:
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if ctx.IsSet(tagValue) {
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f := ctx.Bool(tagValue)
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fieldValue.SetBool(f)
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} else if ctx.GlobalIsSet(tagValue) {
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f := ctx.GlobalBool(tagValue)
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fieldValue.SetBool(f)
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}
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default:
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log.Warnf("can't assign value of type %s from cli flag %s", t, tagValue)
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}
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}
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}
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return nil
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}
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