Go-based dictionary backend providing word validation, definitions, synonyms, and cross-language translation for English, French, and Portuguese. Designed as a self-hosted replacement for Wordnik, backing GogoBee. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
129 lines
2.5 KiB
Go
129 lines
2.5 KiB
Go
package loader
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import (
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"bufio"
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"database/sql"
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"fmt"
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"log/slog"
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"os"
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"path/filepath"
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"strings"
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)
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type SCOWLLoader struct{}
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func (SCOWLLoader) Name() string { return "scowl" }
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func (SCOWLLoader) Load(db *sql.DB, dataDir string) error {
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pattern := filepath.Join(dataDir, "scowl", "final", "english-words.*")
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files, err := filepath.Glob(pattern)
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if err != nil {
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return fmt.Errorf("scowl: glob: %w", err)
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}
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if len(files) == 0 {
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return fmt.Errorf("scowl: no files matching %s", pattern)
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}
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// Filter to sizes <= 70
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var selected []string
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for _, f := range files {
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base := filepath.Base(f)
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// Files are like english-words.10, english-words.20, etc.
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parts := strings.SplitN(base, ".", 2)
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if len(parts) != 2 {
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continue
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}
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var size int
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if _, err := fmt.Sscanf(parts[1], "%d", &size); err != nil {
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continue
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}
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if size <= 70 {
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selected = append(selected, f)
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}
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}
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tx, err := db.Begin()
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if err != nil {
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return fmt.Errorf("scowl: begin tx: %w", err)
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}
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defer tx.Rollback()
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stmt, err := tx.Prepare("INSERT OR IGNORE INTO words (word, lang) VALUES (?, 'en')")
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if err != nil {
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return fmt.Errorf("scowl: prepare: %w", err)
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}
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defer stmt.Close()
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var count int
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for _, f := range selected {
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n, err := loadSCOWLFile(stmt, f)
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if err != nil {
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return fmt.Errorf("scowl: load %s: %w", f, err)
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}
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count += n
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}
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if err := tx.Commit(); err != nil {
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return fmt.Errorf("scowl: commit: %w", err)
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}
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slog.Info("scowl loaded", "words", count, "files", len(selected))
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return nil
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}
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func loadSCOWLFile(stmt *sql.Stmt, path string) (int, error) {
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f, err := os.Open(path)
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if err != nil {
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return 0, err
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}
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defer f.Close()
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var count int
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scanner := bufio.NewScanner(f)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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word := strings.ToLower(line)
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if containsAny(word, " ", "'", "-") || containsDigit(word) {
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continue
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}
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if _, err := stmt.Exec(word); err != nil {
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return 0, err
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}
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count++
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}
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return count, scanner.Err()
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}
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func containsAny(s string, subs ...string) bool {
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for _, sub := range subs {
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if strings.Contains(s, sub) {
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return true
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}
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}
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return false
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}
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func containsDigit(s string) bool {
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for _, r := range s {
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if r >= '0' && r <= '9' {
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return true
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}
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}
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return false
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}
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func containsSpace(s string) bool {
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return strings.ContainsRune(s, ' ')
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}
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func containsNonLatin(s string) bool {
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for _, r := range s {
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if r > 0x024F && r != '\'' && r != '-' {
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return true
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}
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}
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return false
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}
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