purl-next: Hex- on demand, data collection

[TG1999]

https://hex.pm/api/packages/phoenix

[TG1999]

This is done now

Reference:

• Add hex collector #722

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:hex/phoenix@1.8.1
• You will get a response like this

{
    "url": "http://127.0.0.1:8001/api/packages/1020b537-d955-455b-870e-e1c0839c336d/",
    "uuid": "1020b537-d955-455b-870e-e1c0839c336d",
    "filename": "phoenix-1.8.1.tar",
    "package_sets": [
        {
            "uuid": "9670ea31-ef95-4923-8d44-5c13e8745981",
            "packages": [
                "http://127.0.0.1:8001/api/packages/1020b537-d955-455b-870e-e1c0839c336d/",
                "http://127.0.0.1:8001/api/packages/97b783fb-3aeb-43aa-bd6c-ad3f443d97d7/"
            ]
        }
    ],
    "package_content": "source_archive",
    "purl": "pkg:hex/phoenix@1.8.1",
    "type": "hex",
    "namespace": "",
    "name": "phoenix",
    "version": "1.8.1",
    "qualifiers": "",
    "subpath": "",
    "primary_language": null,
    "description": "Peace of mind from prototype to production",
    "release_date": "2014-04-21T22:38:32Z",
    "parties": [
        {
            "type": null,
            "role": "owner",
            "name": "chrismccord",
            "email": "[chris@chrismccord.com](mailto:chris@chrismccord.com)",
            "url": null
        },
        {
            "type": null,
            "role": "owner",
            "name": "josevalim",
            "email": "[jose.valim@gmail.com](mailto:jose.valim@gmail.com)",
            "url": null
        },
        {
            "type": null,
            "role": "owner",
            "name": "gazler",
            "email": "[gazler@gmail.com](mailto:gazler@gmail.com)",
            "url": null
        },
        {
            "type": null,
            "role": "owner",
            "name": "jeregrine",
            "email": "[stiebs.81@gmail.com](mailto:stiebs.81@gmail.com)",
            "url": null
        }
    ],
    "keywords": [],
    "homepage_url": "https://hex.pm/packages/phoenix/1.8.1",
    "download_url": "https://repo.hex.pm/tarballs/phoenix-1.8.1.tar",
    "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": "84d77d2b2e77c3c7e7527099bd01ef5c8560cd149c036d6b3a40745f11cd2fb2",
    "sha512": null,
    "copyright": null,
    "holder": null,
    "declared_license_expression": null,
    "declared_license_expression_spdx": null,
    "license_detections": [
        "MIT"
    ],
    "other_license_expression": null,
    "other_license_expression_spdx": null,
    "other_license_detections": [],
    "extracted_license_statement": null,
    "notice_text": null,
    "source_packages": [],
    "extra_data": {},
    "package_uid": "pkg:hex/phoenix@1.8.1?uuid=1020b537-d955-455b-870e-e1c0839c336d",
    "datasource_id": null,
    "file_references": [],
    "dependencies": [],
    "resources": "http://127.0.0.1:8001/api/packages/1020b537-d955-455b-870e-e1c0839c336d/resources/",
    "history": "http://127.0.0.1:8001/api/packages/1020b537-d955-455b-870e-e1c0839c336d/history/"
}