feat: replace poetry.lock parser

Author: G-Rath

pkg/lockfile/parse-poetry-lock.go

@@ -1,56 +1,11 @@
 package lockfile
 
 import (
-	"fmt"
-	"os"
-
-	"github.com/BurntSushi/toml"
+	"github.com/google/osv-scalibr/extractor/filesystem/language/python/poetrylock"
 )
 
-type PoetryLockPackageSource struct {
-	Type   string `toml:"type"`
-	Commit string `toml:"resolved_reference"`
-}
-
-type PoetryLockPackage struct {
-	Name    string                  `toml:"name"`
-	Version string                  `toml:"version"`
-	Source  PoetryLockPackageSource `toml:"source"`
-}
-
-type PoetryLockFile struct {
-	Version  int                 `toml:"version"`
-	Packages []PoetryLockPackage `toml:"package"`
-}
-
 const PoetryEcosystem = PipEcosystem
 
 func ParsePoetryLock(pathToLockfile string) ([]PackageDetails, error) {
-	var parsedLockfile *PoetryLockFile
-
-	lockfileContents, err := os.ReadFile(pathToLockfile)
-
-	if err != nil {
-		return []PackageDetails{}, fmt.Errorf("could not read %s: %w", pathToLockfile, err)
-	}
-
-	err = toml.Unmarshal(lockfileContents, &parsedLockfile)
-
-	if err != nil {
-		return []PackageDetails{}, fmt.Errorf("could not parse %s: %w", pathToLockfile, err)
-	}
-
-	packages := make([]PackageDetails, 0, len(parsedLockfile.Packages))
-
-	for _, lockPackage := range parsedLockfile.Packages {
-		packages = append(packages, PackageDetails{
-			Name:      lockPackage.Name,
-			Version:   lockPackage.Version,
-			Commit:    lockPackage.Source.Commit,
-			Ecosystem: PoetryEcosystem,
-			CompareAs: PoetryEcosystem,
-		})
-	}
-
-	return packages, nil
+	return extract(pathToLockfile, poetrylock.New(), PoetryEcosystem)
 }