Files
nlnieuws/RO/cmd/xml2txt/xml2txt.go
Peter Kleiweg e550b58889 cats en tags
2026-04-01 19:30:10 +02:00

123 lines
2.5 KiB
Go

package main
import (
e "codeberg.org/pebbe/errors"
"github.com/jbowtie/gokogiri"
"github.com/pebbe/textcat/v2"
"bytes"
"encoding/xml"
"fmt"
"os"
"regexp"
"strings"
"time"
)
type Item struct {
Title string `xml:"title"`
Text string `xml:"encoded"`
Cats []string `xml:"category"`
}
var (
x = e.ExitErr
w = e.WarnErr
reYearWeek = regexp.MustCompile(`^2[0-9][0-9][0-9]-[0-5][0-9]$`)
)
func main() {
tc := textcat.NewTextCat()
tc.EnableLanguages("en.utf8", "nl.utf8")
var ds string
switch len(os.Args) {
case 1:
year, week := time.Now().AddDate(0, 0, -7).ISOWeek()
ds = fmt.Sprintf("%d-%02d", year, week)
case 2:
if !reYearWeek.MatchString(os.Args[1]) {
x(fmt.Errorf("arg must be yyyy-ww"))
}
ds = os.Args[1]
default:
x(fmt.Errorf("too many arguments"))
}
dp := ds[:4] + "/" + ds[5:]
x(os.Chdir("/net/corpora/nlnieuws/RO/" + dp))
x(os.MkdirAll("out", 0777))
files, err := os.ReadDir(".")
x(err)
for _, file := range files {
filename := file.Name()
if !strings.HasSuffix(filename, ".xml") {
continue
}
b, err := os.ReadFile(filename)
x(err)
var buf bytes.Buffer
var item Item
x(xml.Unmarshal(b, &item))
x(buf.WriteString(addEnd(fixSpace(item.Title))))
doc, err := gokogiri.ParseHtml([]byte(`<html><body>` + item.Text + `</body></html>`))
x(err)
root := doc.Root()
divs, err := root.Search(`//div[@class="donatieformlinks"]`)
x(err)
for _, div := range divs {
div.Remove()
}
pp, err := root.Search(`//body//p[not(.//a[contains(@href,"reportersonline.nl/support")])]`)
x(err)
for _, p := range pp {
x(buf.WriteString(addEnd(fixSpace(p.Content()))))
}
text := buf.String()
langs, err := tc.Classify(text)
if err != nil {
_ = w(fmt.Errorf("language: %v in %s", err, filename))
continue
}
if len(langs) != 1 || langs[0] != "nl.utf8" {
_ = w(fmt.Errorf("language: %v in %s", langs, filename))
continue
}
fp, err := os.Create("out/" + filename[:len(filename)-4] + ".txt")
x(err)
for _, cat := range item.Cats {
x(fmt.Fprintf(fp, "##META text tag = %s\n", fixSpace(cat)))
}
x(fp.WriteString(text))
x(fp.Close())
}
}
func addEnd(s string) string {
s = strings.TrimSpace(s)
n := len(s)
if n == 0 {
return ""
}
if n > 0 {
if strings.ContainsAny(s[n-1:], ".!?") {
return s + "\n"
}
}
if n > 1 {
s2 := s[n-2:]
if s2 == `."` || s2 == `!"` || s2 == `?"` || s2 == `.'` || s2 == `!'` || s2 == `?'` {
return s + "\n"
}
}
return s + ".\n"
}
func fixSpace(s string) string {
return strings.Join(strings.Fields(s), " ")
}