purl-next: Update PurlDB to support on-demand - CRAN

[pombredanne]

Update PurlDB to support on-demand, live query of upstream package registries for the PURL types documented in the PURL specification to validate the existence of PURLs for one ecosystem

API endpoint - https://crandb.r-pkg.org/dplyr
https://crandb.r-pkg.org/dplyr/all

[TG1999]

This is done now

Reference:

• Add CRAN collector #690

Steps to test:

• To test this install purldb and set up using 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:cran/dplyr@1.1.0
• You will get a response like this

[
    {
        "url": "http://127.0.0.1:8001/api/packages/151ba50c-8040-4a7a-a3bf-76fd22dfc2fe/",
        "uuid": "151ba50c-8040-4a7a-a3bf-76fd22dfc2fe",
        "filename": "dplyr_1.1.0.tar.gz",
        "package_sets": [],
        "package_content": "source_archive",
        "purl": "pkg:cran/dplyr@1.1.0",
        "type": "cran",
        "namespace": "",
        "name": "dplyr",
        "version": "1.1.0",
        "qualifiers": "",
        "subpath": "",
        "primary_language": null,
        "description": "A fast, consistent tool for working with data frame like\nobjects, both in memory and out of memory.",
        "release_date": null,
        "parties": [
            {
                "type": null,
                "role": "author",
                "name": "Hadley Wickham [aut, cre] (<https://orcid.org/0000-0003-4757-117X>),\nRomain François [aut] (<https://orcid.org/0000-0002-2444-4226>),\nLionel Henry [aut],\nKirill Müller [aut] (<https://orcid.org/0000-0002-1416-3412>),\nDavis Vaughan [aut] (<https://orcid.org/0000-0003-4777-038X>),\nPosit, PBC [cph, fnd]",
                "email": null,
                "url": null
            }
        ],
        "keywords": [],
        "homepage_url": "https://dplyr.tidyverse.org/, https://github.com/tidyverse/dplyr",
        "download_url": "https://cran.r-project.org/src/contrib/dplyr_1.1.0.tar.gz",
        "bug_tracking_url": null,
        "code_view_url": null,
        "vcs_url": null,
        "repository_homepage_url": null,
        "repository_download_url": null,
        "api_data_url": null,
        "size": null,
        "md5": null,
        "sha1": null,
        "sha256": null,
        "sha512": null,
        "copyright": null,
        "holder": null,
        "declared_license_expression": "mit",
        "declared_license_expression_spdx": "MIT",
        "license_detections": [
            {
                "matches": [
                    {
                        "score": 100.0,
                        "matcher": "2-aho",
                        "end_line": 1,
                        "rule_url": "https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/mit_30.RULE",
                        "from_file": null,
                        "start_line": 1,
                        "matched_text": "license MIT + file LICENSE",
                        "match_coverage": 100.0,
                        "matched_length": 2,
                        "rule_relevance": 100,
                        "rule_identifier": "mit_30.RULE",
                        "license_expression": "mit",
                        "license_expression_spdx": "MIT"
                    }
                ],
                "identifier": "mit-3fce6ea2-8abd-6c6b-3ede-a37af7c6efee",
                "license_expression": "mit",
                "license_expression_spdx": "MIT"
            }
        ],
        "other_license_expression": null,
        "other_license_expression_spdx": null,
        "other_license_detections": [],
        "extracted_license_statement": "- MIT + file LICENSE\n",
        "notice_text": null,
        "source_packages": [],
        "extra_data": {},
        "package_uid": "pkg:cran/dplyr@1.1.0?uuid=151ba50c-8040-4a7a-a3bf-76fd22dfc2fe",
        "datasource_id": null,
        "file_references": [],
        "dependencies": [],
        "resources": "http://127.0.0.1:8001/api/packages/151ba50c-8040-4a7a-a3bf-76fd22dfc2fe/resources/",
        "history": "http://127.0.0.1:8001/api/packages/151ba50c-8040-4a7a-a3bf-76fd22dfc2fe/history/"
    }
]