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// skate-ref-to-release converts a "ref" document to a "release" document.
//
package main
import (
"flag"
"log"
"os"
"runtime"
"strings"
"git.archive.org/martin/cgraph/skate"
"github.com/miku/parallel"
json "github.com/segmentio/encoding/json"
)
var (
numWorkers = flag.Int("w", runtime.NumCPU(), "number of workers")
batchSize = flag.Int("b", 100000, "batch size")
fromFormat = flag.String("f", "ref", "import data shape")
bytesNewline = []byte("\n")
)
func refToRelease(p []byte) ([]byte, error) {
var ref skate.Ref
if err := json.Unmarshal(p, &ref); err != nil {
return nil, err
}
release, err := skate.RefToRelease(&ref)
if err != nil {
return nil, err
}
release.Extra.Skate.Status = "ref" // means: converted from ref
release.Extra.Skate.Ref.Index = ref.Index
release.Extra.Skate.Ref.Key = ref.Key
b, err := json.Marshal(release)
b = append(b, bytesNewline...)
return b, err
}
func rgSitemapToRelease(p []byte) ([]byte, error) {
var (
s skate.Sitemap
release skate.Release
)
if err := json.Unmarshal(p, &s); err != nil {
return nil, err
}
release.Title = s.Title
if len(s.URL) > 41 {
// XXX: A pseudo ident, maybe irritating.
release.Ident = strings.Split(s.URL[41:], "_")[0]
}
release.Extra.Skate.Status = "rg"
release.Extra.Skate.ResearchGate.URL = s.URL
b, err := json.Marshal(release)
b = append(b, bytesNewline...)
return b, err
}
func main() {
flag.Parse()
switch *fromFormat {
case "ref":
pp := parallel.NewProcessor(os.Stdin, os.Stdout, refToRelease)
pp.NumWorkers = *numWorkers
pp.BatchSize = *batchSize
if err := pp.Run(); err != nil {
log.Fatal(err)
}
case "rg":
pp := parallel.NewProcessor(os.Stdin, os.Stdout, rgSitemapToRelease)
pp.NumWorkers = *numWorkers
pp.BatchSize = *batchSize
if err := pp.Run(); err != nil {
log.Fatal(err)
}
}
}
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