first commit

This commit is contained in:
Peter Kleiweg
2026-03-02 15:34:37 +01:00
commit 36f051a8a9
50 changed files with 4241 additions and 0 deletions

9
GG/Makefile Normal file
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all: \
metadata \
gg
metadata: cmd/metadata/*.go
go build -o $@ $^
gg: cmd/gg/*.go
go build -o $@ $^

195
GG/cmd/gg/gg.go Normal file
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package main
import (
"github.com/jbowtie/gokogiri"
"github.com/pebbe/util"
"encoding/xml"
"fmt"
"io"
"net/http"
"net/url"
"os"
"strings"
"time"
)
type Rss struct {
XMLName xml.Name `xml:"rss"`
Items []ItemT `xml:"channel>item"`
}
type ItemT struct {
Title string `xml:"title"`
PubDate string `xml:"pubDate"`
UnixTime int64 `xml:"unixTime"`
Guid string `xml:"guid"`
Link string `xml:"link"`
Data []byte `xml:",innerxml"`
}
var (
x = util.CheckErr
w = util.WarnErr
// agent = "AhrefsBot/7.0"
agent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36"
)
func exists(filename string) bool {
_, err := os.Stat(filename)
return err == nil
}
func fileDate(filename string) string {
b, err := os.ReadFile(filename)
if err != nil {
return ""
}
s := string(b)
i1 := strings.Index(s, "<unixTime>") + 10
i2 := strings.Index(s, "</unixTime>")
return s[i1:i2]
}
func main() {
req, err := http.NewRequest("GET", "https://gemeente.groningen.nl/feed/rss/nieuws", nil)
x(err)
req.Header.Set("User-Agent", agent)
client := &http.Client{}
resp, err := client.Do(req)
x(err)
body, err := io.ReadAll(resp.Body)
x(err)
x(resp.Body.Close())
var rss Rss
x(xml.Unmarshal(body, &rss))
if len(rss.Items) == 0 {
x(fmt.Errorf("len(rss.Items) == 0"))
}
for _, item := range rss.Items {
t, err := time.Parse(time.RFC1123Z, item.PubDate)
if err != nil {
t, err = time.Parse(time.RFC1123, item.PubDate)
}
x(err)
year, week := t.ISOWeek()
dirname := fmt.Sprintf("/net/corpora/nlnieuws/GG/%d/%02d", year, week)
filename := dirname + "/" + url.PathEscape(item.Guid)
ts := fmt.Sprintf("%d", t.Unix())
needUpdate := fileDate(filename+".xml") != ts
x(os.MkdirAll(dirname, 0777))
fp, err := os.Create(filename + ".xml")
x(err)
_, err = fp.WriteString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<item>\n")
x(err)
_, err = fmt.Fprintf(fp, "<unixTime>%d</unixTime>", t.Unix())
x(err)
_, err = fp.Write(item.Data)
x(err)
_, err = fp.WriteString("</item>\n")
x(err)
x(fp.Close())
x(os.Chtimes(filename+".xml", t, t))
if !doArticle(filename, item.Link, item.Title, t, needUpdate) {
x(os.Remove(filename + ".xml"))
}
}
}
func doArticle(filename string, url string, title string, timestamp time.Time, needUpdate bool) bool {
if needUpdate {
_ = os.Remove(filename + ".err")
_ = os.Remove(filename + ".html")
_ = os.Remove(filename + ".txt")
_ = os.Remove(filename + ".skip")
} else {
if exists(filename+".txt") || exists(filename+".skip") {
return true
}
}
time.Sleep(2 * time.Second)
req, err := http.NewRequest("GET", url, nil)
x(err)
req.Header.Set("User-Agent", agent)
client := &http.Client{}
resp, err := client.Do(req)
x(err)
body, err := io.ReadAll(resp.Body)
x(err)
x(resp.Body.Close())
doc, err := gokogiri.ParseHtml(body)
x(err)
root := doc.Root()
ell, err := root.Search(
`//div[contains(@class,"component-richtext")]/p` +
` | ` +
`//div[contains(@class,"component-richtext")]/h2`)
x(err)
if len(ell) == 0 {
_ = w(fmt.Errorf("empty: %s", url))
fp, err := os.Create(filename + ".err")
x(err)
_, err = fmt.Fprintf(fp, "empty: %s\n", url)
x(err)
x(fp.Close())
x(os.Chtimes(filename+".err", timestamp, timestamp))
fp, err = os.Create(filename + ".html")
x(err)
_, err = fp.Write(body)
x(err)
x(fp.Close())
x(os.Chtimes(filename+".html", timestamp, timestamp))
return false
}
fp, err := os.Create(filename + ".txt")
x(err)
_, err = fp.WriteString(addEnd(title))
x(err)
for _, el := range ell {
_, err = fp.WriteString(addEnd(el.Content()))
x(err)
}
x(fp.Close())
x(os.Chtimes(filename+".txt", timestamp, timestamp))
return true
}
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"
}

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package main
import (
"github.com/pebbe/util"
"encoding/xml"
"fmt"
"os"
"strings"
"time"
)
type Item struct {
XMLName xml.Name `xml:"item"`
UnixTime int64 `xml:"unixTime"`
}
var (
x = util.CheckErr
data = make(map[string][]string)
location *time.Location
)
func main() {
var err error
location, err = time.LoadLocation("Europe/Amsterdam")
x(err)
files, err := os.ReadDir("..")
x(err)
for _, file := range files {
filename := file.Name()
if strings.HasSuffix(filename, ".xml") {
doXml(filename)
}
}
files, err = os.ReadDir("xml")
x(err)
for _, file := range files {
filename := file.Name()
if !strings.HasSuffix(filename, ".xml") {
continue
}
aa := strings.Split(filename, ".")
base := strings.Join(aa[1:len(aa)-2], ".")
b, err := os.ReadFile("xml/" + filename)
x(err)
s := string(b)
i := strings.Index(s, "<alpino") + 1
i += strings.Index(s[i:], "<")
fp, err := os.Create("xml/" + filename + ".tmp")
x(err)
_, err = fp.WriteString(s[:i])
x(err)
_, err = fp.WriteString("<metadata>\n <meta type=\"text\" name=\"source\" value=\"Gemeente Groningen\"/>\n")
x(err)
for _, m := range data[base] {
_, err = fp.WriteString(" " + m + "\n")
x(err)
}
_, err = fp.WriteString(" </metadata>\n ")
x(err)
_, err = fp.WriteString(stripMeta(s[i:]))
x(err)
x(fp.Close())
x(os.Rename("xml/"+filename+".tmp", "xml/"+filename))
}
}
func doXml(filename string) {
base := filename[:len(filename)-4]
if _, ok := data[base]; !ok {
data[base] = make([]string, 0)
}
b, err := os.ReadFile("../" + filename)
x(err)
var item Item
x(xml.Unmarshal(b, &item))
t := time.Unix(item.UnixTime, 0).In(location)
data[base] = append(data[base],
fmt.Sprintf(`<meta type="date" name="pubdate" value="%d-%02d-%02d"/>`,
t.Year(),
int(t.Month()),
t.Day()))
}
func stripMeta(s string) string {
i1 := strings.Index(s, "<metadata>")
if i1 < 0 {
return s
}
i2 := i1 + strings.Index(s[i1:], "</metadata>") + 11
return s[:i1] + strings.TrimLeft(s[i2:], " \t\r\n")
}

63
GG/txt2corpus.sh Executable file
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#!/bin/bash
set -e
unset CDPATH
PATH=/net/corpora/nlnieuws/bin:/net/aps/bin:$PATH
export TZ=Europe/Amsterdam
. /net/aps/etc/alpino-activate.sh > /dev/null
if [ "$1" = "" ]
then
ds=`ISODate -7`
else
case "$1" in
2[0-9][0-9][0-9]-[0-5][0-9])
ds=$1
;;
*)
echo INVALID
exit 1
;;
esac
fi
dp=${ds//-//}
corpus=/net/corpora/nlnieuws/GG/corpus/$ds
cd /net/corpora/nlnieuws/GG/$dp
ln -s lock.$$ lock
if [ "`readlink lock`" != lock.$$ ]
then
echo Getting lock failed
exit 1
fi
rm -fr out
mkdir out
rm -f $corpus.lines
for i in *.txt
do
b=`basename $i .txt`
perl -p -e 's/^\s*//; s/^##META.*\n//' $i | tokenize.sh \
| perl -e '$n = 0; while(<>) { $n++; print("gg.'$b'.$n|$_"); }' \
>> $corpus.lines
done
cd out
mkdir xml
Alpino -flag treebank xml debug=1 end_hook=xml user_max=900000 -parse < $corpus.lines 2> $corpus.log
../../../metadata 2> err
rm err
cd xml
alto -o $corpus.data.dz *.xml 2> /dev/null
cd ../..
rm -fr out
rm -f lock