first commit
This commit is contained in:
Peter Kleiweg
9
VRT/Makefile
Normal file
9
VRT/Makefile
Normal file
@@ -0,0 +1,9 @@
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all: \
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metadata \
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vrt
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metadata: cmd/metadata/*.go
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go build -o $@ $^
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vrt: cmd/vrt/*.go
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go build -o $@ $^
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126
VRT/cmd/metadata/metadata.go
Normal file
126
VRT/cmd/metadata/metadata.go
Normal file
@@ -0,0 +1,126 @@
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package main
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import (
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"github.com/pebbe/util"
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"bufio"
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"encoding/xml"
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"fmt"
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"html"
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"os"
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"strings"
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"time"
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)
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type Item struct {
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XMLName xml.Name `xml:"item"`
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UnixTime int64 `xml:"unixTime"`
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}
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var (
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x = util.CheckErr
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escape = html.EscapeString
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data = make(map[string][]string)
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location *time.Location
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)
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func main() {
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var err error
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location, err = time.LoadLocation("Europe/Amsterdam")
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x(err)
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files, err := os.ReadDir("..")
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x(err)
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for _, file := range files {
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filename := file.Name()
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if strings.HasSuffix(filename, ".txt") {
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doText(filename)
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} else if strings.HasSuffix(filename, ".xml") {
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doXml(filename)
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}
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}
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files, err = os.ReadDir("xml")
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x(err)
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for _, file := range files {
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filename := file.Name()
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if !strings.HasSuffix(filename, ".xml") {
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continue
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}
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aa := strings.Split(filename, ".")
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base := strings.Join(aa[1:len(aa)-2], ".")
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b, err := os.ReadFile("xml/" + filename)
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x(err)
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s := string(b)
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i := strings.Index(s, "<alpino") + 1
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i += strings.Index(s[i:], "<")
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fp, err := os.Create("xml/" + filename + ".tmp")
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x(err)
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_, err = fp.WriteString(s[:i])
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x(err)
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_, err = fp.WriteString("<metadata>\n <meta type=\"text\" name=\"source\" value=\"VRT\"/>\n")
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x(err)
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for _, m := range data[base] {
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_, err = fp.WriteString(" " + m + "\n")
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x(err)
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}
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_, err = fp.WriteString(" </metadata>\n ")
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x(err)
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_, err = fp.WriteString(stripMeta(s[i:]))
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x(err)
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x(fp.Close())
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x(os.Rename("xml/"+filename+".tmp", "xml/"+filename))
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}
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}
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func doText(filename string) {
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base := filename[:len(filename)-4]
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if _, ok := data[base]; !ok {
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data[base] = make([]string, 0)
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}
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fp, err := os.Open("../" + filename)
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x(err)
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defer func() { x(fp.Close()) }()
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scanner := bufio.NewScanner(fp)
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for scanner.Scan() {
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line := scanner.Text()
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if !strings.HasPrefix(line, "##META") {
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continue
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}
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aa := strings.Fields(line)
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if len(aa) > 4 {
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data[base] = append(data[base],
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fmt.Sprintf(`<meta type="%s" name="%s" value="%s"/>`,
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aa[1],
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escape(aa[2]),
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escape(strings.Join(aa[4:], " "))))
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}
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}
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x(scanner.Err())
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}
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func doXml(filename string) {
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base := filename[:len(filename)-4]
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if _, ok := data[base]; !ok {
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data[base] = make([]string, 0)
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}
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b, err := os.ReadFile("../" + filename)
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x(err)
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var item Item
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x(xml.Unmarshal(b, &item))
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t := time.Unix(item.UnixTime, 0).In(location)
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data[base] = append(data[base],
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fmt.Sprintf(`<meta type="date" name="pubdate" value="%d-%02d-%02d"/>`,
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t.Year(),
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int(t.Month()),
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t.Day()))
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}
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func stripMeta(s string) string {
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i1 := strings.Index(s, "<metadata>")
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if i1 < 0 {
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return s
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}
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i2 := i1 + strings.Index(s[i1:], "</metadata>") + 11
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return s[:i1] + strings.TrimLeft(s[i2:], " \t\r\n")
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}
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317
VRT/cmd/vrt/vrt.go
Normal file
317
VRT/cmd/vrt/vrt.go
Normal file
@@ -0,0 +1,317 @@
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package main
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import (
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"github.com/jbowtie/gokogiri"
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"github.com/pebbe/util"
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"bytes"
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"encoding/xml"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"strings"
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"time"
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)
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type Rss struct {
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XMLName xml.Name `xml:"feed"`
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Items []ItemT `xml:"entry"`
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}
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type ItemT struct {
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Title TitleT `xml:"title"`
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Published string `xml:"published"`
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Updated string `xml:"updated"`
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Nstag []string `xml:"nstag"`
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Nslabeltag []string `xml:"nslabeltag"`
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UnixTime int64 `xml:"unixTime"`
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ID string `xml:"id"`
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Link []LinkT `xml:"link"`
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Data []byte `xml:",innerxml"`
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}
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type TitleT struct {
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Type string `xml:"type,attr"`
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Text string `xml:",chardata"`
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}
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type LinkT struct {
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Type string `xml:"type,attr"`
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Href string `xml:"href,attr"`
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}
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var (
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x = util.CheckErr
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w = util.WarnErr
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// agent = "AhrefsBot/7.0"
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agent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36"
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)
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func exists(filename string) bool {
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_, err := os.Stat(filename)
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return err == nil
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}
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func fileDate(filename string) string {
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b, err := os.ReadFile(filename)
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if err != nil {
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return ""
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}
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s := string(b)
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i1 := strings.Index(s, "<unixTime>") + 10
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i2 := strings.Index(s, "</unixTime>")
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return s[i1:i2]
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}
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func main() {
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resp, err := http.Get("https://www.vrt.be/vrtnws/nl.rss.headlines.xml")
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x(err)
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body, err := io.ReadAll(resp.Body)
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x(err)
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x(resp.Body.Close())
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var rss Rss
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x(xml.Unmarshal(body, &rss))
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if len(rss.Items) == 0 {
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x(fmt.Errorf("len(rss.Items) == 0"))
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}
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for _, item := range rss.Items {
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t, err := time.Parse(time.RFC3339Nano, item.Published)
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if err != nil {
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t, err = time.Parse(time.RFC1123, item.Published)
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}
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x(err)
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t2, err := time.Parse(time.RFC3339Nano, item.Updated)
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if err != nil {
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t2, _ = time.Parse(time.RFC1123, item.Updated)
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}
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if t2.After(t) {
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t = t2
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}
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year, week := t.ISOWeek()
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dirname := fmt.Sprintf("/net/corpora/nlnieuws/VRT/%d/%02d", year, week)
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filename := dirname + "/" + url.PathEscape(strings.TrimPrefix(item.ID, "https://vrtnws.be/"))
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ts := fmt.Sprintf("%d", t.Unix())
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needUpdate := fileDate(filename+".xml") != ts
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x(os.MkdirAll(dirname, 0777))
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fp, err := os.Create(filename + ".xml")
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x(err)
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_, err = fp.WriteString("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<item>\n")
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x(err)
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_, err = fmt.Fprintf(fp, "<unixTime>%d</unixTime>", t.Unix())
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x(err)
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_, err = fp.Write(item.Data)
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x(err)
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_, err = fp.WriteString("</item>\n")
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x(err)
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x(fp.Close())
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x(os.Chtimes(filename+".xml", t, t))
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var link string
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for _, l := range item.Link {
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if l.Type == "text/html" {
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link = l.Href
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}
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}
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if !doArticle(filename, link, item.Title.Text, item.Nstag, item.Nslabeltag, t, needUpdate) {
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x(os.Remove(filename + ".xml"))
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}
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}
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}
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func doArticle(filename string, url string, title string, tags []string, labels []string, timestamp time.Time, needUpdate bool) bool {
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if needUpdate {
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_ = os.Remove(filename + ".err")
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_ = os.Remove(filename + ".txt")
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_ = os.Remove(filename + ".html")
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_ = os.Remove(filename + ".skip")
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} else {
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if exists(filename+".txt") || exists(filename+".skip") {
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return true
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}
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}
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time.Sleep(2 * time.Second)
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req, err := http.NewRequest("GET", url, nil)
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x(err)
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req.Header.Set("User-Agent", agent)
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client := &http.Client{}
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resp, err := client.Do(req)
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x(err)
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body, err := io.ReadAll(resp.Body)
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x(err)
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x(resp.Body.Close())
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/*
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s := string(body)
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ok := true
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i1 := strings.Index(s, `type="application/ld+json"`)
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if i1 < 0 {
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ok = false
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} else {
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i1 += strings.Index(s[i1:], `>`) + 1
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i2 := i1 + strings.Index(s[i1:], `</script>`)
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if i2 < i1 {
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ok = false
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} else {
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s = s[i1:i2]
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}
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}
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if !ok {
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_ = w(fmt.Errorf("script jsonld not found: %s", url))
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fp, err := os.Create(filename + ".err")
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x(err)
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_, err = fmt.Fprintf(fp, "script jsonld not found: %s\n", url)
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x(err)
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x(fp.Close())
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x(os.Chtimes(filename+".err", timestamp, timestamp))
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fp, err = os.Create(filename + ".html")
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x(err)
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_, err = fp.Write(body)
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x(err)
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x(fp.Close())
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x(os.Chtimes(filename+".html", timestamp, timestamp))
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return false
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}
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fp, err := os.Create(filename + ".json")
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x(err)
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_, err = fp.WriteString(s)
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x(err)
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x(fp.Close())
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x(os.Chtimes(filename+".json", timestamp, timestamp))
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*/
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var buf bytes.Buffer
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doc, err := gokogiri.ParseHtml(body)
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x(err)
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root := doc.Root()
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lnn, err := root.Search(`//head/link[@rel="canonical"]/@href`)
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x(err)
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for _, ln := range lnn {
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if strings.Contains(ln.String(), "/liveblog/") {
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fp, err := os.Create(filename + ".skip")
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x(err)
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_, err = fp.WriteString("liveblog\n")
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x(err)
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x(fp.Close())
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x(os.Chtimes(filename+".skip", timestamp, timestamp))
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return true
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}
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}
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if len(tags) == 0 {
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_, err = fmt.Fprintln(&buf, "##META text cat =")
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x(err)
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} else {
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for _, tag := range tags {
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_, err = fmt.Fprintf(&buf, "##META text cat = %s\n", tag)
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x(err)
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}
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}
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if len(labels) == 0 {
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_, err = fmt.Fprintln(&buf, "##META text label =")
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x(err)
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} else {
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for _, label := range labels {
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_, err = fmt.Fprintf(&buf, "##META text label = %s\n", label)
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x(err)
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}
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}
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_, err = buf.WriteString(clean(title))
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x(err)
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fouten := make([]string, 0)
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found := false
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pp, err := root.Search(`//div[@data-sentry-component="ArticleHeading"]//p[contains(@class,"prose-article-body-r")]`)
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x(err)
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for _, p := range pp {
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_, err = fmt.Fprint(&buf, clean(p.Content()))
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x(err)
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found = true
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}
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if !found {
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fouten = append(fouten, fmt.Sprintf("no heading: %s", url))
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_ = w(fmt.Errorf("no heading: %s", url))
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}
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found = false
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pp, err = root.Search(
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`//div[@data-sentry-component="ArticleText"]//p[contains(@class,"prose-article-body-r")]` +
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` | ` +
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`//div[@data-sentry-component="ArticleTitle"]//h2`)
|
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x(err)
|
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for _, p := range pp {
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_, err = fmt.Fprint(&buf, clean(p.Content()))
|
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x(err)
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found = true
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}
|
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if !found {
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fouten = append(fouten, fmt.Sprintf("no text: %s", url))
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_ = w(fmt.Errorf("no text: %s", url))
|
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}
|
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|
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if len(fouten) > 0 {
|
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fp, err := os.Create(filename + ".err")
|
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x(err)
|
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for _, fout := range fouten {
|
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_, err = fp.WriteString(fout)
|
||||
x(err)
|
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}
|
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x(err)
|
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x(fp.Close())
|
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x(os.Chtimes(filename+".err", timestamp, timestamp))
|
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|
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fp, err = os.Create(filename + ".html")
|
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x(err)
|
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_, err = fp.Write(body)
|
||||
x(err)
|
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x(fp.Close())
|
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x(os.Chtimes(filename+".html", timestamp, timestamp))
|
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|
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return false
|
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}
|
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|
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fp, err := os.Create(filename + ".txt")
|
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x(err)
|
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_, err = fp.Write(buf.Bytes())
|
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x(err)
|
||||
x(fp.Close())
|
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x(os.Chtimes(filename+".txt", timestamp, timestamp))
|
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|
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return true
|
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}
|
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|
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func clean(s string) string {
|
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s = strings.Join(strings.Fields(s), " ")
|
||||
n := len(s)
|
||||
if n == 0 {
|
||||
return ""
|
||||
}
|
||||
if n > 0 {
|
||||
if strings.ContainsAny(s[n-1:], ".!?") {
|
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return s + "\n"
|
||||
}
|
||||
}
|
||||
if n > 1 {
|
||||
s2 := s[n-2:]
|
||||
if s2 == `."` || s2 == `!"` || s2 == `?"` || s2 == `.'` || s2 == `!'` || s2 == `?'` {
|
||||
return s + "\n"
|
||||
}
|
||||
}
|
||||
return s + ".\n"
|
||||
}
|
||||
63
VRT/txt2corpus.sh
Executable file
63
VRT/txt2corpus.sh
Executable file
@@ -0,0 +1,63 @@
|
||||
#!/bin/bash
|
||||
|
||||
set -e
|
||||
|
||||
unset CDPATH
|
||||
PATH=/net/corpora/nlnieuws/bin:/net/aps/bin:$PATH
|
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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/VRT/corpus/$ds
|
||||
|
||||
cd /net/corpora/nlnieuws/VRT/$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(<>) { $n++; print("vrt.'$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
|
||||
Reference in New Issue
Block a user