fix: resolve all ruff lint errors

Remove unused imports (sys, Path, field, MappedEdge, ViolatingEdge,
calculate_distance_metrics_for_project), fix import sorting, remove
extraneous f-string prefixes.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: lukasniessen-bain

src/archunitpython/__init__.py

@@ -3,26 +3,25 @@
 __version__ = "0.1.0"
 
 # Files API
-from archunitpython.files import project_files, files
-
-# Slices API
-from archunitpython.slices import project_slices
-
-# Metrics API
-from archunitpython.metrics import metrics
-
-# Testing
-from archunitpython.testing import assert_passes, format_violations
-
 # Common
 from archunitpython.common import (
-    Violation,
-    EmptyTestViolation,
     CheckOptions,
+    EmptyTestViolation,
     TechnicalError,
     UserError,
+    Violation,
 )
-from archunitpython.common.extraction import extract_graph, clear_graph_cache
+from archunitpython.common.extraction import clear_graph_cache, extract_graph
+from archunitpython.files import files, project_files
+
+# Metrics API
+from archunitpython.metrics import metrics
+
+# Slices API
+from archunitpython.slices import project_slices
+
+# Testing
+from archunitpython.testing import assert_passes, format_violations
 
 __all__ = [
     # Files

src/archunitpython/common/assertion/violation.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import Any
 
 

src/archunitpython/common/extraction/extract_graph.py

@@ -4,8 +4,6 @@
 
 import ast
 import os
-import sys
-from pathlib import Path
 
 from archunitpython.common.extraction.graph import Edge, Graph, ImportKind
 from archunitpython.common.fluentapi.checkable import CheckOptions

src/archunitpython/common/logging/types.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import Literal
 
 LogLevel = Literal["debug", "info", "warn", "error"]

src/archunitpython/common/projection/project_edges.py

@@ -5,7 +5,7 @@
 from collections import defaultdict
 
 from archunitpython.common.extraction.graph import Edge
-from archunitpython.common.projection.types import MapFunction, MappedEdge, ProjectedEdge
+from archunitpython.common.projection.types import MapFunction, ProjectedEdge
 
 
 def project_edges(

src/archunitpython/metrics/common/__init__.py

@@ -3,9 +3,9 @@
     EnhancedClassInfo,
     FieldInfo,
     FileAnalysisResult,
+    MethodInfo,
     Metric,
     MetricComparison,
-    MethodInfo,
 )
 
 __all__ = [

src/archunitpython/metrics/extraction/extract_class_info.py

@@ -5,7 +5,7 @@
 import ast
 import os
 
-from archunitpython.common.extraction.extract_graph import _find_python_files, _DEFAULT_EXCLUDE
+from archunitpython.common.extraction.extract_graph import _DEFAULT_EXCLUDE, _find_python_files
 from archunitpython.metrics.common.types import (
     ClassInfo,
     EnhancedClassInfo,

src/archunitpython/metrics/fluentapi/metrics.py

@@ -30,7 +30,6 @@
     StatementCountMetric,
 )
 from archunitpython.metrics.calculation.distance import (
-    calculate_distance_metrics_for_project,
     calculate_file_distance_metrics,
 )
 from archunitpython.metrics.calculation.lcom import (
@@ -251,11 +250,12 @@ def __init__(self, project_path, filters, metric, threshold, comparison) -> None
         self._comparison: MetricComparison = comparison
 
     def check(self, options: CheckOptions | None = None) -> list[Violation]:
+        import os
+
         from archunitpython.common.extraction.extract_graph import (
             _DEFAULT_EXCLUDE,
             _find_python_files,
         )
-        import os
 
         project = self._project_path or os.getcwd()
         project = os.path.abspath(project)

src/archunitpython/slices/fluentapi/slices.py

@@ -19,7 +19,6 @@
 from archunitpython.slices.assertion.admissible_edges import (
     CoherenceOptions,
     Rule,
-    ViolatingEdge,
     gather_positive_violations,
     gather_violations,
 )

src/archunitpython/testing/common/violation_factory.py

@@ -37,7 +37,7 @@ def from_violation(violation: Violation) -> TestViolation:
 
         if isinstance(violation, ViolatingNode):
             return TestViolation(
-                message=f"File pattern violation",
+                message="File pattern violation",
                 details=f"File '{violation.projected_node.label}' "
                 f"{'matches' if violation.is_negated else 'does not match'} "
                 f"pattern '{violation.check_pattern.regexp.pattern}'",
@@ -46,7 +46,7 @@ def from_violation(violation: Violation) -> TestViolation:
         if isinstance(violation, ViolatingFileDependency):
             edge = violation.dependency
             return TestViolation(
-                message=f"File dependency violation",
+                message="File dependency violation",
                 details=f"'{edge.source_label}' "
                 f"{'depends on' if violation.is_negated else 'does not depend on'} "
                 f"'{edge.target_label}'",