PERF: Scraper xmlrpclib / cached JSON

[westurner]

https://github.com/awwad/depresolve/blob/master/depresolve/scrape_pypi_metadata.py

• "Dependency Graph API" Dependency Graph API pypa/pip#755
• "API to get checksums" API to get checksums pypi/warehouse#1638
  • https://pypi.org/pypi/pip/json
  • https://github.com/pypa/warehouse/blob/master/warehouse/routes.py
  • https://github.com/pypa/warehouse/blob/master/warehouse/legacy/api/json.py
    • ENH: add (existing JSON, Metadata 2.0/3.0 JSONLD) api to {devpi, bandersnatch, }
      • PEP: Create a PEP for a pypa JSON HTTP endpoint spec
        • REQ: Static HTML support: Redirect to pkg-name-ver.tar.gz.json?
          • ENH: Does bandersnatch fetch this metadata? (And adjust URLs?)
      • http://doc.devpi.net/latest/curl.html
      • http://doc.devpi.net/latest/userman/devpi_commands.html#getjson