Update wayback requirement from ~=0.3.3 to ~=0.4.0

[dependabot[bot]]

Updates the requirements on wayback to permit the latest version.

Release notes

Sourced from wayback's releases.

Version 0.4.0

Breaking Changes

This release includes a significant overhaul of parameters for WaybackClient.search.

• Removed parameters that did nothing, could break search, or that were for internal use only: gzip, showResumeKey, resumeKey, page, pageSize, previous_result.

• Removed support for extra, arbitrary keyword parameters that could be added to each request to the search API.

• All parameters now use snake_case. (Previously, parameters that were passed unchanged to the HTTP API used camelCase, while others used snake_case.) The old, non-snake-case names are deprecated, but still work. They’ll be completely removed in v0.5.0.

  • matchType → match_type
  • fastLatest → fast_latest
  • resolveRevisits → resolve_revisits

• The limit parameter now has a default value. There are very few cases where you should not set a limit (not doing so will typically break pagination), and there is now a default value to help prevent mistakes. We’ve also added documentation to explain how and when to adjust this value, since it is pretty complex. (#65)

• Expanded the method documentation to explain things in more depth and link to more external references.

While we were at it, we also renamed the datetime parameter of WaybackClient.get_memento to timestamp for consistency with the CdxRecord and Memento classes. The old name still works for now, but it will be fully removed in v0.5.0.

Features

• Memento.headers is now case-insensitive. The keys of the headers dict are returned with their original case when iterating, but lookups are performed case-insensitively. For example:

  list(memento.headers) == ['Content-Type', 'Date']
  memento.headers['Content-Type'] == memento.headers['content-type']
  

  (#98)

• There are now built-in, adjustable rate limits for calls to both search() and get_memento(). The default values should keep you from getting temporarily blocked by the Wayback Machine servers, but you can also adjust them when instantiating WaybackSession:

  # Limit get_memento() calls to 2 per second (or one every 0.5 seconds):
  client = WaybackClient(WaybackSession(memento_calls_per_second=2))
  These now take a minimum of 0.5 seconds, even if the Wayback Machine
  responds instantly (there's no delay on the first call):
  client.get_memento('http://www.noaa.gov/', timestamp='20180816111911')
  client.get_memento('http://www.noaa.gov/', timestamp='20180829092926')
  

  A huge thanks to @​LionSzl for implementing this. (#12)

Fixes & Maintenance

... (truncated)

Commits

• e2af777 Prepare release 0.4.0
• 9daade4 Deprecate instead of remove renamed parameters (#107)
• cbb9c14 Ratelimits (#79)
• 81bff09 Rename datetime parameter of get_memento (#102)
• 4e00b0c Docs: Update Intersphinx mappings (#104)
• 0b2134b Handle inconsistent header case for Mementos (#101)
• c515892 Add project links to PyPI (#100)
• 56dd36f Use HTTPS for all archive.org URLs (#97)
• 4fc7bf1 Fix return type for get_memento() in docs (#96)
• bce65fd Overhaul search() signature and docs (#94)
• Additional commits viewable in compare view

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