Use ruff format correctly.

.github/workflows/python-ci.yml

@@ -3,7 +3,7 @@ on:
     branches: [main]
   pull_request:
     paths:
-      - 'python/**'
+      - "python/**"
 defaults:
   run:
     working-directory: python/selfie-lib
@@ -24,9 +24,9 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version-file: 'python/selfie-lib/pyproject.toml'
-          cache: 'poetry'
+          python-version-file: "python/selfie-lib/pyproject.toml"
+          cache: "poetry"
       - run: poetry install
       - run: poetry run pytest -vv
       - run: poetry run pyright
-      - run: poetry run ruff check
+      - run: poetry run ruff format --check

python/selfie-lib/selfie_lib/ArrayMap.py

@@ -2,42 +2,46 @@
 from typing import List, TypeVar, Union
 from abc import abstractmethod, ABC
 
-T = TypeVar('T')
-V = TypeVar('V')
-K = TypeVar('K')
+T = TypeVar("T")
+V = TypeVar("V")
+K = TypeVar("K")
+
 
 class ListBackedSet(Set[T], ABC):
     @abstractmethod
-    def __len__(self) -> int: ...
+    def __len__(self) -> int:
+        ...
 
     @abstractmethod
-    def __getitem__(self, index: Union[int, slice]) -> Union[T, List[T]]: ...
+    def __getitem__(self, index: Union[int, slice]) -> Union[T, List[T]]:
+        ...
 
     def __contains__(self, item: object) -> bool:
         for i in range(len(self)):
             if self[i] == item:
                 return True
         return False
 
+
 class ArraySet(ListBackedSet[K]):
     __data: List[K]
 
     def __init__(self, data: List[K]):
         raise NotImplementedError("Use ArraySet.empty() instead")
 
     @classmethod
-    def __create(cls, data: List[K]) -> 'ArraySet[K]':
+    def __create(cls, data: List[K]) -> "ArraySet[K]":
         # Create a new instance without calling __init__
         instance = super().__new__(cls)
         instance.__data = data
         return instance
-    
+
     def __iter__(self) -> Iterator[K]:
         return iter(self.__data)
 
     @classmethod
-    def empty(cls) -> 'ArraySet[K]':
-        if not hasattr(cls, '__EMPTY'):
+    def empty(cls) -> "ArraySet[K]":
+        if not hasattr(cls, "__EMPTY"):
             cls.__EMPTY = cls([])
         return cls.__EMPTY
 
@@ -52,14 +56,14 @@ def __getitem__(self, index: Union[int, slice]) -> Union[K, List[K]]:
         else:
             raise TypeError("Invalid argument type.")
 
-    def plusOrThis(self, element: K) -> 'ArraySet[K]':
+    def plusOrThis(self, element: K) -> "ArraySet[K]":
         # TODO: use binary search, and also special sort order for strings
         if element in self.__data:
             return self
         else:
             new_data = self.__data[:]
             new_data.append(element)
-            new_data.sort() # type: ignore[reportOperatorIssue]
+            new_data.sort()  # type: ignore[reportOperatorIssue]
             return ArraySet.__create(new_data)
 
 
@@ -69,8 +73,8 @@ def __init__(self, data: list):
         self.__data = data
 
     @classmethod
-    def empty(cls) -> 'ArrayMap[K, V]':
-        if not hasattr(cls, '__EMPTY'):
+    def empty(cls) -> "ArrayMap[K, V]":
+        if not hasattr(cls, "__EMPTY"):
             cls.__EMPTY = cls([])
         return cls.__EMPTY
 
@@ -86,7 +90,7 @@ def __iter__(self) -> Iterator[K]:
     def __len__(self) -> int:
         return len(self.__data) // 2
 
-    def __binary_search_key(self, key: K) -> int: 
+    def __binary_search_key(self, key: K) -> int:
         # TODO: special sort order for strings
         low, high = 0, (len(self.__data) // 2) - 1
         while low <= high:
@@ -100,20 +104,20 @@ def __binary_search_key(self, key: K) -> int:
                 return mid
         return -(low + 1)
 
-    def plus(self, key: K, value: V) -> 'ArrayMap[K, V]':
-        index = self.__binary_search_key(key) 
+    def plus(self, key: K, value: V) -> "ArrayMap[K, V]":
+        index = self.__binary_search_key(key)
         if index >= 0:
             raise ValueError("Key already exists")
         insert_at = -(index + 1)
         new_data = self.__data[:]
-        new_data[insert_at * 2:insert_at * 2] = [key, value]
+        new_data[insert_at * 2 : insert_at * 2] = [key, value]
         return ArrayMap(new_data)
 
-    def minus_sorted_indices(self, indicesToRemove: List[int]) -> 'ArrayMap[K, V]':
+    def minus_sorted_indices(self, indicesToRemove: List[int]) -> "ArrayMap[K, V]":
         if not indicesToRemove:
             return self
         newData = []
         for i in range(0, len(self.__data), 2):
             if i // 2 not in indicesToRemove:
-                newData.extend(self.__data[i:i + 2])
+                newData.extend(self.__data[i : i + 2])
         return ArrayMap(newData)

python/selfie-lib/selfie_lib/Slice.py

@@ -1,18 +1,23 @@
-from typing import Optional  
-from typing import Union  
+from typing import Optional
+from typing import Union
 from collections import Counter
 
+
 class Slice:
     """Represents a slice of a base string from startIndex to endIndex."""
 
-    def __init__(self, base: str, startIndex: int = 0, endIndex: Optional[int] = None) -> None:
+    def __init__(
+        self, base: str, startIndex: int = 0, endIndex: Optional[int] = None
+    ) -> None:
         self.base = base
         self.base = base
         self.startIndex = startIndex
         self.endIndex = endIndex if endIndex is not None else len(base)
 
-        assert 0 <= self.startIndex <= self.endIndex <= len(base), "Invalid start or end index"
-
+        assert (
+            0 <= self.startIndex <= self.endIndex <= len(base)
+        ), "Invalid start or end index"
+
     def __len__(self) -> int:
         return self.endIndex - self.startIndex
 
@@ -21,10 +26,10 @@ def __getitem__(self, index: int) -> str:
             raise IndexError("Index out of range")
         return self.base[self.startIndex + index]
 
-    def subSequence(self, start: int, end: int) -> 'Slice':
+    def subSequence(self, start: int, end: int) -> "Slice":
         return Slice(self.base, self.startIndex + start, self.startIndex + end)
 
-    def trim(self) -> 'Slice':
+    def trim(self) -> "Slice":
         start, end = 0, len(self)
         while start < end and self[start].isspace():
             start += 1
@@ -33,9 +38,9 @@ def trim(self) -> 'Slice':
         return self.subSequence(start, end) if start > 0 or end < len(self) else self
 
     def __str__(self) -> str:
-        return self.base[self.startIndex:self.endIndex]
+        return self.base[self.startIndex : self.endIndex]
 
-    def sameAs(self, other: Union['Slice', str]) -> bool:
+    def sameAs(self, other: Union["Slice", str]) -> bool:
         if isinstance(other, Slice):
             return str(self) == str(other)
         elif isinstance(other, str):
@@ -48,18 +53,24 @@ def sameAs(self, other: Union['Slice', str]) -> bool:
         return False
 
     def indexOf(self, lookingFor: str, startOffset: int = 0) -> int:
-        result = self.base.find(lookingFor, self.startIndex + startOffset, self.endIndex)
+        result = self.base.find(
+            lookingFor, self.startIndex + startOffset, self.endIndex
+        )
         return -1 if result == -1 else result - self.startIndex
 
-    def unixLine(self, count: int) -> 'Slice':
+    def unixLine(self, count: int) -> "Slice":
         assert count > 0, "Count must be positive"
         lineStart = 0
         for i in range(1, count):
-            lineStart = self.indexOf('\n', lineStart)
+            lineStart = self.indexOf("\n", lineStart)
             assert lineStart >= 0, f"This string has only {i - 1} lines, not {count}"
             lineStart += 1
-        lineEnd = self.indexOf('\n', lineStart)
-        return Slice(self.base, self.startIndex + lineStart, self.endIndex if lineEnd == -1 else self.startIndex + lineEnd)
+        lineEnd = self.indexOf("\n", lineStart)
+        return Slice(
+            self.base,
+            self.startIndex + lineStart,
+            self.endIndex if lineEnd == -1 else self.startIndex + lineEnd,
+        )
 
     def __eq__(self, other: object) -> bool:
         if self is other:
@@ -75,10 +86,10 @@ def __hash__(self) -> int:
         return h
 
     def replaceSelfWith(self, s: str) -> str:
-        return self.base[:self.startIndex] + s + self.base[self.endIndex:]
-    
+        return self.base[: self.startIndex] + s + self.base[self.endIndex :]
+
     def count(self, char: str) -> int:
-        return Counter(self.base[self.startIndex:self.endIndex])[char]
-    
+        return Counter(self.base[self.startIndex : self.endIndex])[char]
+
     def baseLineAtOffset(self, index: int) -> int:
-        return 1 + Slice(self.base, 0, index).count('\n')
+        return 1 + Slice(self.base, 0, index).count("\n")

python/selfie-lib/selfie_lib/__init__.py

@@ -1,3 +1,2 @@
 from .LineReader import LineReader as LineReader
 from .Slice import Slice as Slice
-

python/selfie-lib/tests/ArrayMap_test.py

@@ -1,6 +1,7 @@
 import pytest
 from selfie_lib.ArrayMap import ArrayMap
 
+
 def assertEmpty(map):
     assert len(map) == 0
     assert list(map.keys()) == []
@@ -11,6 +12,7 @@ def assertEmpty(map):
     assert map == {}
     assert map == ArrayMap.empty()
 
+
 def assertSingle(map, key, value):
     assert len(map) == 1
     assert set(map.keys()) == {key}
@@ -22,6 +24,7 @@ def assertSingle(map, key, value):
     assert map == {key: value}
     assert map == ArrayMap.empty().plus(key, value)
 
+
 def assertDouble(map, key1, value1, key2, value2):
     assert len(map) == 2
     assert set(map.keys()) == {key1, key2}
@@ -36,6 +39,7 @@ def assertDouble(map, key1, value1, key2, value2):
     assert map == ArrayMap.empty().plus(key1, value1).plus(key2, value2)
     assert map == ArrayMap.empty().plus(key2, value2).plus(key1, value1)
 
+
 def assertTriple(map, key1, value1, key2, value2, key3, value3):
     assert len(map) == 3
     assert set(map.keys()) == {key1, key2, key3}
@@ -47,17 +51,22 @@ def assertTriple(map, key1, value1, key2, value2, key3, value3):
     with pytest.raises(KeyError):
         _ = map[key1 + "blah"]
     assert map == {key1: value1, key2: value2, key3: value3}
-    assert map == ArrayMap.empty().plus(key1, value1).plus(key2, value2).plus(key3, value3)
+    assert map == ArrayMap.empty().plus(key1, value1).plus(key2, value2).plus(
+        key3, value3
+    )
+
 
 def test_empty():
     assertEmpty(ArrayMap.empty())
 
+
 def test_single():
     empty = ArrayMap.empty()
     single = empty.plus("one", "1")
     assertEmpty(empty)
     assertSingle(single, "one", "1")
 
+
 def test_double():
     empty = ArrayMap.empty()
     single = empty.plus("one", "1")
@@ -71,19 +80,28 @@ def test_double():
         single.plus("one", "2")
     assert str(context.value) == "Key already exists"
 
+
 def test_triple():
     triple = ArrayMap.empty().plus("1", "one").plus("2", "two").plus("3", "three")
     assertTriple(triple, "1", "one", "2", "two", "3", "three")
 
+
 def test_multi():
     test_triple()  # Calling another test function directly is unusual but works
     triple = ArrayMap.empty().plus("2", "two").plus("3", "three").plus("1", "one")
     assertTriple(triple, "1", "one", "2", "two", "3", "three")
     triple = ArrayMap.empty().plus("3", "three").plus("1", "one").plus("2", "two")
     assertTriple(triple, "1", "one", "2", "two", "3", "three")
 
+
 def test_minus_sorted_indices():
-    initial_map = ArrayMap.empty().plus("1", "one").plus("2", "two").plus("3", "three").plus("4", "four")
+    initial_map = (
+        ArrayMap.empty()
+        .plus("1", "one")
+        .plus("2", "two")
+        .plus("3", "three")
+        .plus("4", "four")
+    )
     modified_map = initial_map.minus_sorted_indices([1, 3])
     assert len(modified_map) == 2
     assert list(modified_map.keys()) == ["1", "3"]
@@ -94,6 +112,7 @@ def test_minus_sorted_indices():
         _ = modified_map["4"]
     assert modified_map == {"1": "one", "3": "three"}
 
+
 def test_plus_with_existing_keys():
     map_with_duplicates = ArrayMap.empty().plus("a", "alpha").plus("b", "beta")
     with pytest.raises(ValueError):
@@ -103,11 +122,14 @@ def test_plus_with_existing_keys():
     assert updated_map["a"] == "alpha"
     assert updated_map["b"] == "beta"
     assert updated_map["c"] == "gamma"
-    modified_map = map_with_duplicates.minus_sorted_indices([0]).plus("a", "updated alpha")
+    modified_map = map_with_duplicates.minus_sorted_indices([0]).plus(
+        "a", "updated alpha"
+    )
     assert len(modified_map) == 2
     assert modified_map["a"] == "updated alpha"
     assert modified_map["b"] == "beta"
 
+
 def test_map_length():
     map = ArrayMap.empty()
     assert len(map) == 0, "Length should be 0 for an empty map"
@@ -119,7 +141,7 @@ def test_map_length():
     assert len(map) == 3, "Length should be 3 after adding a third item"
     map = map.minus_sorted_indices([1])
     assert len(map) == 2, "Length should be 2 after removing one item"
-    map = map.minus_sorted_indices([0]) 
+    map = map.minus_sorted_indices([0])
     assert len(map) == 1, "Length should be 1 after removing another item"
-    map = map.minus_sorted_indices([0])  
+    map = map.minus_sorted_indices([0])
     assert len(map) == 0, "Length should be 0 after removing all items"