/
main.go
173 lines (169 loc) · 4.77 KB
/
main.go
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package main
import (
"bufio"
"encoding/json"
"flag"
"fmt"
"github.com/dan-locke/language-model-retrieval/index"
"io/ioutil"
"os"
"path"
"path/filepath"
"strconv"
"strings"
"unicode"
// _ "net/http/pprof"
// "runtime"
// "runtime/pprof"
// "log"
)
func makeId(s string) string {
_, f := path.Split(s)
parts := strings.Split(f, ".")
if strings.Contains(parts[0], "-") {
parts = strings.Split(parts[0], "-")
} else {
f = parts[0]
parts = []string{}
curr := true
start := 0
tLen := len(f)
for i := 0; i < tLen; i++ {
past := curr
if unicode.IsDigit(rune(f[i])) {
curr = true
} else {
curr = false
}
if curr != past {
parts = append(parts, f[start:i])
start = i
}
if i+1 == tLen {
parts = append(parts, f[start:i+1])
}
}
}
for i := range parts {
num, err := strconv.Atoi(parts[i])
if err == nil {
parts[i] = fmt.Sprintf("%d", num)
}
}
return strings.Join(parts, "")
}
// load stopwords to map
func getStopwords(path string) (map[string]int, error) {
f, err := os.Open(path)
defer f.Close()
if err != nil {
return nil, err
}
scanner := bufio.NewScanner(f)
m := map[string]int{}
for scanner.Scan() {
m[strings.TrimSpace(scanner.Text())] = 1
}
if err := scanner.Err(); err != nil {
return nil, err
}
return m, err
}
//script for indexing ussc and sigir collections
func main() {
filesPath := flag.String("p", "", "Path to files to index.")
indName := flag.String("i", "", "Index name.")
field := flag.String("f", "flattened_text", "JSON field to index.")
paras := flag.Bool("b", false, "Split Australian into paragraphs")
stopwordsPath := flag.String("s", "", "Path to stopwords file.")
flag.Parse()
var err error
if *filesPath == "" {
fmt.Println("Please specify path to files to index.")
return
}
if *indName == "" {
fmt.Println("Please specify index name.")
return
}
stopwords := map[string]int{}
if *stopwordsPath != "" {
stopwords, err = getStopwords(*stopwordsPath)
if err != nil {
panic(err)
}
}
// f, err := os.Create("memprofile.prof")
// if err != nil {
// log.Fatal("could not create memory profile: ", err)
// }
// defer f.Close()
// runtime.GC()
ind, err := index.NewIndex(*indName)
if err != nil {
panic(err)
}
ind.AddField("text", index.DefaultTermScoringModel, index.DefaultScoringMethod, "html_tokenizer", true, true, stopwords)
err = filepath.Walk(*filesPath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if strings.Contains(info.Name(), ".json") {
// open file and index
buff, err := ioutil.ReadFile(path)
if err != nil {
return err
}
var v map[string]interface{}
err = json.Unmarshal(buff, &v)
if err != nil {
return err
}
fmt.Printf("%s\n", path)
if *field == "html" || *field =="html_with_citations" {
fld := v[*field].(string)
if fld != "" {
ind.IndexDoc(map[string]string{"text": fld}, fmt.Sprintf("%1.f", v["id"].(float64)))
// if err := pprof.WriteHeapProfile(f); err != nil {
// panic(err)
// }
}
} else {
_id := makeId(info.Name())
if *paras {
bodyParas := v["body"].([]interface{})
for i := range bodyParas {
bp := bodyParas[i].(map[string]interface{})
ind.IndexDoc(map[string]string{"text": bp["text"].(string)}, _id+fmt.Sprintf("-%d", int(bp["pos"].(float64))))
}
} else if *field == "header" {
headnoteParas := v["header"].([]interface{})
var comb string
for i := range headnoteParas {
comp := headnoteParas[i].(map[string]interface{})
if strings.Contains(strings.ToLower(comp["tag"].(string)), "") {
comb = comp["text"].(string)
break
} else {
comb += comp["text"].(string) + " "
}
}
ind.IndexDoc(map[string]string{"text": comb}, _id)
} else {
fld := v[*field].(string)
if fld != "" {
ind.IndexDoc(map[string]string{"text": fld}, _id)
}
}
}
}
return nil
})
if err != nil {
panic(err)
}
err = ind.Save()
if err != nil {
panic(err)
}
}