Guard type hinting via ruff

pyproject.toml

@@ -80,10 +80,11 @@ name = 'Trivial Changes'
 showcontent = false
 
 [tool.ruff]
+src = ["src"]
 line-length = 88
 
 [tool.ruff.lint]
-select = ["C","E","F","W","B","RUF","PLE","PLW"]
+select = ["C","E","F","W","B","RUF","PLE","PLW","I","TCH","FA"]
 ignore = ["PLW2901"]
 exclude = [
  ".git",
@@ -96,9 +97,6 @@ exclude = [
  "*.pyi"
 ]
 
-[tool.ruff.lint.isort]
-known-first-party = ["resolvelib"]
-
 [tool.mypy]
 warn_unused_configs = true
 

src/resolvelib/resolvers/abstract.py

@@ -3,12 +3,12 @@
 import collections
 from typing import TYPE_CHECKING, Any, Generic, Iterable, Mapping, NamedTuple
 
-from ..providers import AbstractProvider
-from ..reporters import BaseReporter
 from ..structs import CT, KT, RT, DirectedGraph
-from .criterion import Criterion
 
 if TYPE_CHECKING:
+ from ..providers import AbstractProvider
+ from ..reporters import BaseReporter
+ from .criterion import Criterion
 
  class Result(NamedTuple, Generic[RT, CT, KT]):
  mapping: Mapping[KT, CT]

src/resolvelib/resolvers/exceptions.py

@@ -1,9 +1,11 @@
 from __future__ import annotations
 
-from typing import Collection, Generic
+from typing import TYPE_CHECKING, Collection, Generic
 
 from ..structs import CT, RT, RequirementInformation
-from .criterion import Criterion
+
+if TYPE_CHECKING:
+ from .criterion import Criterion
 
 
 class ResolverException(Exception):

src/resolvelib/resolvers/resolution.py

@@ -5,8 +5,6 @@
 import operator
 from typing import TYPE_CHECKING, Collection, Generic, Iterable, Mapping
 
-from ..providers import AbstractProvider
-from ..reporters import BaseReporter
 from ..structs import (
  CT,
  KT,
@@ -29,7 +27,8 @@
 )
 
 if TYPE_CHECKING:
- from ..providers import Preference
+ from ..providers import AbstractProvider, Preference
+ from ..reporters import BaseReporter
 
 
 def _build_result(state: State[RT, CT, KT]) -> Result[RT, CT, KT]:

tests/test_resolvers.py

@@ -13,15 +13,18 @@
  InconsistentCandidate,
  ResolutionImpossible,
 )
-from resolvelib.resolvers import Resolution, Resolver
+from resolvelib.resolvers import (
+ RequirementsConflicted,
+ Resolution,
+ Resolver,
+)
 
 if TYPE_CHECKING:
  from typing import Iterable, Mapping
 
  from resolvelib.resolvers import (
  Criterion,
  RequirementInformation,
- RequirementsConflicted,
  )