purl-next: Arch Linux alpm - on demand data collection

[TG1999]

Get the download URL using purl2url and check if it exists

[ziadhany]

This is done now

Reference:

• Add support for Arch Linux ALPM on-demand data collection #709

Steps to test:

• To test this, install purldb, set it up using the README, and run make run. This will start server at http://127.0.0.1:8001/.
• Make a request to http://127.0.0.1:8001/api/collect/?purl=pkg:alpm/bemenu-ncurses@0.6.13-1?arch=x86_64
• You will get a response like this

[
    {
        "url": "http://127.0.0.1:8001/api/packages/56606ba9-e34a-474d-8d8e-d257bb756993/",
        "uuid": "56606ba9-e34a-474d-8d8e-d257bb756993",
        "filename": "bemenu-ncurses-0.6.13-1-x86_64.pkg.tar.zst",
        "package_sets": [],
        "package_content": "source_archive",
        "purl": "pkg:alpm/bemenu-ncurses@0.6.13-1?arch=x86_64",
        "type": "alpm",
        "namespace": "",
        "name": "bemenu-ncurses",
        "version": "0.6.13-1",
        "qualifiers": "arch=x86_64",
        "subpath": "",
        "primary_language": null,
        "description": "ncurses renderer for bemenu",
        "release_date": null,
        "parties": [
            {
                "type": null,
                "role": "maintainer",
                "name": "Ivy Foster",
                "email": "[iff@archlinux.org](mailto:iff@archlinux.org)",
                "url": null
            }
        ],
        "keywords": [],
        "homepage_url": null,
        "download_url": "https://archive.archlinux.org/packages/b/bemenu-ncurses/bemenu-ncurses-0.6.13-1-x86_64.pkg.tar.zst",
        "bug_tracking_url": null,
        "code_view_url": null,
        "vcs_url": null,
        "repository_homepage_url": null,
        "repository_download_url": null,
        "api_data_url": null,
        "size": 22200,
        "md5": null,
        "sha1": null,
        "sha256": "1d1da6fbe1e08705ea12b1cf9b6fe9b3d77625392a78bc0f57bf88cdb3ad6d4f",
        "sha512": null,
        "copyright": null,
        "holder": null,
        "declared_license_expression": "gpl-3.0 AND lgpl-3.0",
        "declared_license_expression_spdx": "GPL-3.0-only AND LGPL-3.0-only",
        "license_detections": [
            {
                "matches": [
                    {
                        "score": 60.0,
                        "matcher": "1-hash",
                        "end_line": 1,
                        "rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/gpl3_bare_word_only.RULE",
                        "from_file": null,
                        "start_line": 1,
                        "matched_text": "GPL3",
                        "match_coverage": 100.0,
                        "matched_length": 1,
                        "rule_relevance": 60,
                        "rule_identifier": "gpl3_bare_word_only.RULE",
                        "license_expression": "gpl-3.0",
                        "license_expression_spdx": "GPL-3.0-only"
                    }
                ],
                "identifier": "gpl_3_0-0dc28761-3652-fbef-2817-d59625983de8",
                "license_expression": "gpl-3.0",
                "license_expression_spdx": "GPL-3.0-only"
            },
            {
                "matches": [
                    {
                        "score": 95.0,
                        "matcher": "1-hash",
                        "end_line": 1,
                        "rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/lgpl-3.0_58.RULE",
                        "from_file": null,
                        "start_line": 1,
                        "matched_text": "LGPL3",
                        "match_coverage": 100.0,
                        "matched_length": 1,
                        "rule_relevance": 95,
                        "rule_identifier": "lgpl-3.0_58.RULE",
                        "license_expression": "lgpl-3.0",
                        "license_expression_spdx": "LGPL-3.0-only"
                    }
                ],
                "identifier": "lgpl_3_0-2479709a-0e86-d252-74e2-7141438ec31e",
                "license_expression": "lgpl-3.0",
                "license_expression_spdx": "LGPL-3.0-only"
            }
        ],
        "other_license_expression": null,
        "other_license_expression_spdx": null,
        "other_license_detections": [],
        "extracted_license_statement": "- GPL3\n- LGPL3\n",
        "notice_text": null,
        "source_packages": [],
        "extra_data": {},
        "package_uid": "pkg:alpm/bemenu-ncurses@0.6.13-1?arch=x86_64&uuid=56606ba9-e34a-474d-8d8e-d257bb756993",
        "datasource_id": null,
        "file_references": [],
        "dependencies": [],
        "resources": "http://127.0.0.1:8001/api/packages/56606ba9-e34a-474d-8d8e-d257bb756993/resources/",
        "history": "http://127.0.0.1:8001/api/packages/56606ba9-e34a-474d-8d8e-d257bb756993/history/"
    }
]

[pombredanne]

Thanks!