Fix debian source purl parsing in status

Debian status files have source package information,
and these are mostly always just source package name,
but sometimes there are versions also. Handle the case
where we have both source package name and version for
a package.

Signed-off-by: Ayan Sinha Mahapatra <ayansmahapatra@gmail.com>

Author: AyanSinhaMahapatra

src/packagedcode/debian.py

@@ -673,9 +673,19 @@ def build_package_data(debian_data, datasource_id, package_type='deb', distro=No
     source_packages = []
     source = debian_data.get('source')
     if source:
+        # source package strings often have version in them like:
+        # Source: util-linux (2.36.1-8+deb11u1)
+        if " (" in source and ")" in source:
+            source_name, source_version = source.split(" (")
+            source_version, _ = source_version.split(")")
+        else:
+            source_name = source
+            source_version = None
+
         source_pkg_purl = PackageURL(
             type=package_type,
-            name=source,
+            name=source_name,
+            version=source_version,
             namespace=distro,
         ).to_string()
 

tests/packagedcode/data/debian/status-with-source/status

@@ -0,0 +1,18 @@
+Package: bsdutils
+Essential: yes
+Status: install ok installed
+Priority: required
+Section: utils
+Installed-Size: 394
+Maintainer: util-linux packagers <util-linux@packages.debian.org>
+Architecture: amd64
+Multi-Arch: foreign
+Source: util-linux (2.36.1-8+deb11u1)
+Version: 1:2.36.1-8+deb11u1
+Pre-Depends: libc6 (>= 2.17), libsystemd0
+Recommends: bsdextrautils
+Description: basic utilities from 4.4BSD-Lite
+ This package contains the bare minimum of BSD utilities needed for a Debian
+ system: logger, renice, script, scriptlive, scriptreplay and wall. The
+ remaining standard BSD utilities are provided by bsdextrautils.
+Homepage: http://www.kernel.org/pub/linux/utils/util-linux/

tests/packagedcode/data/debian/status-with-source/status.expected

@@ -0,0 +1,60 @@
+[
+  {
+    "type": "deb",
+    "namespace": "debian",
+    "name": "bsdutils",
+    "version": "1:2.36.1-8+deb11u1",
+    "qualifiers": {
+      "arch": "amd64"
+    },
+    "subpath": null,
+    "primary_language": null,
+    "description": "basic utilities from 4.4BSD-Lite\n This package contains the bare minimum of BSD utilities needed for a Debian\n system: logger, renice, script, scriptlive, scriptreplay and wall. The\n remaining standard BSD utilities are provided by bsdextrautils.",
+    "release_date": null,
+    "parties": [
+      {
+        "type": null,
+        "role": "maintainer",
+        "name": "util-linux packagers <util-linux@packages.debian.org>",
+        "email": null,
+        "url": null
+      }
+    ],
+    "keywords": [
+      "utils"
+    ],
+    "homepage_url": "http://www.kernel.org/pub/linux/utils/util-linux/",
+    "download_url": null,
+    "size": null,
+    "sha1": null,
+    "md5": null,
+    "sha256": null,
+    "sha512": null,
+    "bug_tracking_url": null,
+    "code_view_url": null,
+    "vcs_url": null,
+    "copyright": null,
+    "holder": null,
+    "declared_license_expression": null,
+    "declared_license_expression_spdx": null,
+    "license_detections": [],
+    "other_license_expression": null,
+    "other_license_expression_spdx": null,
+    "other_license_detections": [],
+    "extracted_license_statement": null,
+    "notice_text": null,
+    "source_packages": [
+      "pkg:deb/debian/util-linux@2.36.1-8%2Bdeb11u1"
+    ],
+    "file_references": [],
+    "extra_data": {
+      "multi_arch": "foreign"
+    },
+    "dependencies": [],
+    "repository_homepage_url": null,
+    "repository_download_url": null,
+    "api_data_url": null,
+    "datasource_id": "debian_installed_status_db",
+    "purl": "pkg:deb/debian/bsdutils@1:2.36.1-8%2Bdeb11u1?arch=amd64"
+  }
+]

tests/packagedcode/test_debian.py

@@ -84,6 +84,12 @@ def test_parse_status_file_basic(self):
         packages = list(debian.DebianInstalledStatusDatabaseHandler.parse(test_file))
         self.check_packages_data(packages, expected_loc, regen=REGEN_TEST_FIXTURES)
 
+    def test_parse_status_file_with_source_packages(self):
+        test_file = self.get_test_loc('debian/status-with-source/status')
+        expected_loc = self.get_test_loc('debian/status-with-source/status.expected')
+        packages = list(debian.DebianInstalledStatusDatabaseHandler.parse(test_file))
+        self.check_packages_data(packages, expected_loc, regen=REGEN_TEST_FIXTURES)
+
     def test_parse_status_file_perl_error(self):
         test_file = self.get_test_loc('debian/mini-status/status')
         expected_loc = self.get_test_loc('debian/mini-status/status.expected')