Тетюхин. Task 1

.github/workflows/code_style.yml

@@ -23,7 +23,7 @@ jobs:
       matrix:
 
         # Each option you define in the matrix has a key and value
-        python-version: [ 3.8 ]
+        python-version: [ 3.9 ]
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:

.github/workflows/mypy.yml

@@ -0,0 +1,29 @@
+name: Types check with myPy
+
+on: [push, pull_request]
+
+jobs:
+  mypy:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.9]
+
+    steps:
+      - name: Set up Git repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip wheel setuptools
+          python -m pip install -r requirements.txt
+          python -m pip install mypy
+
+      - name: Run MyPy
+        run: |
+          mypy project/

.github/workflows/tests.yml

@@ -0,0 +1,17 @@
+name: Run Tests
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+    - name: Install pytest
+      run: pip install pytest
+    - name: Run tests using project script
+      run: |
+        python ./scripts/run_tests.py

project/Task1/matrix_operations.py

@@ -0,0 +1,129 @@
+def matrix_add(matrix1, matrix2):
+    """
+    Add two matrices element-wise.
+
+    Args:
+        matrix1 (list): First matrix as list of lists.
+        matrix2 (list): Second matrix as list of lists.
+
+    Returns:
+        list: Resulting matrix after addition.
+
+    Raises:
+        ValueError: If matrices have different dimensions.
+    """
+    if len(matrix1) != len(matrix2) or len(matrix1[0]) != len(matrix2[0]):
+        raise ValueError("Matrices must have the same dimensions")
+
+    return [
+        [matrix1[i][j] + matrix2[i][j] for j in range(len(matrix1[0]))]
+        for i in range(len(matrix1))
+    ]
+
+
+def matrix_multiply(matrix1, matrix2):
+    """
+    Multiply two matrices.
+
+    Args:
+        matrix1 (list): First matrix.
+        matrix2 (list): Second matrix.
+
+    Returns:
+        list: Resulting matrix after multiplication.
+
+    Raises:
+        ValueError: If number of columns in first matrix doesn't match
+                   number of rows in second matrix.
+    """
+    if len(matrix1[0]) != len(matrix2):
+        raise ValueError(
+            "Number of columns in first matrix must equal "
+            "number of rows in second matrix"
+        )
+
+    result = [[0] * len(matrix2[0]) for _ in range(len(matrix1))]
+    for i in range(len(matrix1)):
+        for k in range(len(matrix2)):
+            for j in range(len(matrix2[0])):
+                result[i][j] += matrix1[i][k] * matrix2[k][j]
+    return result
+
+
+def matrix_transpose(matrix):
+    """
+    Transpose a matrix (swap rows and columns).
+
+    Args:
+        matrix (list): Input matrix.
+
+    Returns:
+        list: Transposed matrix.
+    """
+    return [list(row) for row in zip(*matrix)]
+
+
+class Matrix:
+    """
+    A class representing a mathematical matrix.
+
+    Attributes:
+        data (list): Matrix data as list of lists.
+    """
+
+    def __init__(self, data):
+        """
+        Initialize a matrix with given data.
+
+        Args:
+            data (list): Matrix data as list of lists.
+
+        Raises:
+            ValueError: If rows have inconsistent lengths.
+        """
+        if not all(len(row) == len(data[0]) for row in data):
+            raise ValueError("All rows must have the same length")
+        self.data = data
+        self.rows = len(data)
+        self.cols = len(data[0])
+
+    def add(self, other):
+        """
+        Add another matrix to this matrix.
+
+        Args:
+            other (Matrix): Another matrix.
+
+        Returns:
+            Matrix: Result of addition.
+        """
+        return Matrix(matrix_add(self.data, other.data))
+
+    def multiply(self, other):
+        """
+        Multiply with another matrix.
+
+        Args:
+            other (Matrix): Another matrix.
+
+        Returns:
+            Matrix: Result of multiplication.
+        """
+        return Matrix(matrix_multiply(self.data, other.data))
+
+    def transpose(self):
+        """
+        Transpose the matrix.
+
+        Returns:
+            Matrix: Transposed matrix.
+        """
+        return Matrix(matrix_transpose(self.data))
+
+    def __repr__(self):
+        return f"Matrix({self.data})"
+
+    def __eq__(self, other):
+        if not isinstance(other, Matrix):
+            return False
+        return self.data == other.data

project/Task1/vector_operations.py

@@ -0,0 +1,120 @@
+import math
+
+
+def dot_product(vector1, vector2):
+    """
+    Calculate the dot product of two vectors.
+
+    Args:
+        vector1 (list): First vector as a list of numbers.
+        vector2 (list): Second vector as a list of numbers.
+
+    Returns:
+        float: Dot product of the two vectors.
+
+    Raises:
+        ValueError: If vectors have different lengths.
+    """
+    if len(vector1) != len(vector2):
+        raise ValueError("Vectors must have the same length")
+    return sum(v1 * v2 for v1, v2 in zip(vector1, vector2))
+
+
+def vector_length(vector):
+    """
+    Calculate the Euclidean length (magnitude) of a vector.
+
+    Args:
+        vector (list): Vector as a list of numbers.
+
+    Returns:
+        float: Length of the vector.
+    """
+    return math.sqrt(sum(x * x for x in vector))
+
+
+def angle_between(vector1, vector2):
+    """
+    Calculate the angle between two vectors in radians.
+
+    Args:
+        vector1 (list): First vector.
+        vector2 (list): Second vector.
+
+    Returns:
+        float: Angle between vectors in radians.
+
+    Raises:
+        ValueError: If either vector is a zero vector.
+    """
+    dot = dot_product(vector1, vector2)
+    len1 = vector_length(vector1)
+    len2 = vector_length(vector2)
+
+    if len1 == 0 or len2 == 0:
+        raise ValueError("Vectors cannot be zero vectors")
+
+    # Ensure cosine value is within valid range to avoid floating point errors
+    cos_angle = dot / (len1 * len2)
+    cos_angle = max(min(cos_angle, 1.0), -1.0)
+
+    return math.acos(cos_angle)
+
+
+class Vector:
+    """
+    A class representing a mathematical vector.
+
+    Attributes:
+        components (list): The components of the vector.
+    """
+
+    def __init__(self, components):
+        """
+        Initialize a vector with given components.
+
+        Args:
+            components (list): List of numerical components.
+        """
+        self.components = list(components)
+
+    def dot(self, other):
+        """
+        Calculate dot product with another vector.
+
+        Args:
+            other (Vector): Another vector.
+
+        Returns:
+            float: Dot product.
+        """
+        return dot_product(self.components, other.components)
+
+    def length(self):
+        """
+        Calculate the length of the vector.
+
+        Returns:
+            float: Vector length.
+        """
+        return vector_length(self.components)
+
+    def angle_with(self, other):
+        """
+        Calculate angle with another vector.
+
+        Args:
+            other (Vector): Another vector.
+
+        Returns:
+            float: Angle in radians.
+        """
+        return angle_between(self.components, other.components)
+
+    def __repr__(self):
+        return f"Vector({self.components})"
+
+    def __eq__(self, other):
+        if not isinstance(other, Vector):
+            return False
+        return self.components == other.components

requirements.txt

@@ -1,3 +1,4 @@
 black
+mypy
 pre-commit
 pytest