venv/lib/python3.11/site-packages/pip/_vendor/resolvelib/reporters.py

   1 class BaseReporter(object):
   2     """Delegate class to provider progress reporting for the resolver."""
   3
   4     def starting(self):
   5         """Called before the resolution actually starts."""
   6
   7     def starting_round(self, index):
   8         """Called before each round of resolution starts.
   9
  10         The index is zero-based.
  11         """
  12
  13     def ending_round(self, index, state):
  14         """Called before each round of resolution ends.
  15
  16         This is NOT called if the resolution ends at this round. Use `ending`
  17         if you want to report finalization. The index is zero-based.
  18         """
  19
  20     def ending(self, state):
  21         """Called before the resolution ends successfully."""
  22
  23     def adding_requirement(self, requirement, parent):
  24         """Called when adding a new requirement into the resolve criteria.
  25
  26         :param requirement: The additional requirement to be applied to filter
  27             the available candidaites.
  28         :param parent: The candidate that requires ``requirement`` as a
  29             dependency, or None if ``requirement`` is one of the root
  30             requirements passed in from ``Resolver.resolve()``.
  31         """
  32
  33     def resolving_conflicts(self, causes):
  34         """Called when starting to attempt requirement conflict resolution.
  35
  36         :param causes: The information on the collision that caused the backtracking.
  37         """
  38
  39     def rejecting_candidate(self, criterion, candidate):
  40         """Called when rejecting a candidate during backtracking."""
  41
  42     def pinning(self, candidate):
  43         """Called when adding a candidate to the potential solution."""