mirror of
https://github.com/metabarcoding/obitools4.git
synced 2025-06-29 16:20:46 +00:00
102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package obioptions
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import (
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"fmt"
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"os"
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"runtime"
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log "github.com/sirupsen/logrus"
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"github.com/DavidGamba/go-getoptions"
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)
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var _Debug = false
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var _ParallelWorkers = runtime.NumCPU() - 1
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var _MaxAllowedCPU = runtime.NumCPU()
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var _BufferSize = 1
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var _BatchSize = 5000
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type ArgumentParser func([]string) (*getoptions.GetOpt, []string, error)
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func GenerateOptionParser(optionset ...func(*getoptions.GetOpt)) ArgumentParser {
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options := getoptions.New()
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options.Bool("help", false, options.Alias("h", "?"))
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options.BoolVar(&_Debug, "debug", false)
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options.IntVar(&_ParallelWorkers, "workers", _ParallelWorkers,
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options.Alias("w"),
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options.Description("Number of parallele threads computing the result"))
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options.IntVar(&_MaxAllowedCPU, "max-cpu", _MaxAllowedCPU,
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options.Description("Number of parallele threads computing the result"))
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for _, o := range optionset {
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o(options)
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}
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return func(args []string) (*getoptions.GetOpt, []string, error) {
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remaining, err := options.Parse(args[1:])
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// Setup the maximum number of CPU usable by the program
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runtime.GOMAXPROCS(_MaxAllowedCPU)
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if options.Called("max-cpu") {
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log.Printf("CPU number limited to %d", _MaxAllowedCPU)
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}
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if options.Called("no-singleton") {
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log.Printf("No singleton option set")
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}
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if options.Called("help") {
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fmt.Fprint(os.Stderr, options.Help())
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os.Exit(1)
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}
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log.SetLevel(log.InfoLevel)
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if options.Called("debug") {
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log.SetLevel(log.DebugLevel)
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log.Debugln("Switch to debug level logging")
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}
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return options, remaining, err
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}
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}
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// Predicate indicating if the debug mode is activated.
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func CLIIsDebugMode() bool {
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return _Debug
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}
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// CLIParallelWorkers returns the number of parallel workers requested by
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// the command line option --workers|-w.
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func CLIParallelWorkers() int {
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return _ParallelWorkers
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}
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// CLIParallelWorkers returns the number of parallel workers requested by
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// the command line option --workers|-w.
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func CLIMaxCPU() int {
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return _MaxAllowedCPU
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}
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// CLIBufferSize returns the expeted channel buffer size for obitools
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func CLIBufferSize() int {
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return _BufferSize
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}
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// CLIBatchSize returns the expeted size of the sequence batches
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func CLIBatchSize() int {
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return _BatchSize
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}
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// DebugOn sets the debug mode on.
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func DebugOn() {
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_Debug = true
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}
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// DebugOff sets the debug mode off.
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func DebugOff() {
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_Debug = false
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}
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