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sarugaku / resolvelib

Resolve abstract dependencies into concrete ones
ISC License
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[minor] Improve exception chaining #133

Closed hauntsaninja closed 1 year ago

hauntsaninja commented 1 year ago

This will clean up the following stacktrace a little

Traceback (most recent call last):
  File "/Users/shantanu/.local/pipx/shared/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 316, in _backjump
    name, candidate = broken_state.mapping.popitem()
KeyError: 'dictionary is empty'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/shantanu/.local/pipx/shared/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
    result = self._result = resolver.resolve(
  File "/Users/shantanu/.local/pipx/shared/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
    state = resolution.resolve(requirements, max_rounds=max_rounds)
  File "/Users/shantanu/.local/pipx/shared/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 434, in resolve
    success = self._backjump(causes)
  File "/Users/shantanu/.local/pipx/shared/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 318, in _backjump
    raise ResolutionImpossible(causes)
pip._vendor.resolvelib.resolvers.ResolutionImpossible: [ ... ]