чуть подредактировал

README.md

@@ -1,9 +1,21 @@
-# Text Analyzer CLI
+# NumStats
 
-CLI-инструмент на Python для анализа текстовых файлов (подсчёт строк, слов, символов и топ-N популярных слов).
+CLI-инструмент для статистического анализа числовых данных из файла (по одному числу на строку).
 
 ## Установка
 
 1. Клонируйте репозиторий и перейдите в папку проекта:
-```bash
-cd lb_1
+   ```bash
+   git clone <your-repo-url>
+   cd numstats
+
+2. Создайте и активируйте виртуальное окружение:
+   ```bash
+   python3 -m venv .venv
+   source .venv/bin/activate   # Linux/macOS
+   .venv\Scripts\activate      # Windows
+
+3. Установите пакет в редактируемом режиме:
+   ```bash
+   pip install -e .
+   pip install -r requirements.txt   # для запуска тестов

pyproject.toml

@@ -3,20 +3,33 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "text_analyzer"
+name = "numstats"
 version = "0.1.0"
-description = "CLI tool for analyzing text files"
+description = "CLI tool for statistical analysis of numeric data from files"
+readme = "README.md"
 requires-python = ">=3.12"
+authors = [
+    {name = "Your Name", email = "your@email.com"}
+]
 dependencies = []
 
 [project.scripts]
-text-analyzer = "text_analyzer.cli:main"
+numstats = "numstats.cli:main"
 
 [tool.ruff]
 line-length = 88
+target-version = "py312"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "UP", "B"]
 
 [tool.mypy]
+python_version = "3.12"
 strict = true
+warn_unused_ignores = true
+warn_return_any = true
+warn_unreachable = true
 
 [tool.pytest.ini_options]
 testpaths = ["tests"]
+addopts = "--cov=src/numstats --cov-report=term-missing"

requirements.txt

@@ -0,0 +1,4 @@
+pytest>=8.2.0
+pytest-cov>=5.0.0
+mypy>=1.10.0
+ruff>=0.5.0

src/numstats/cli.py

@@ -0,0 +1,73 @@
+"""Command-line interface for numstats."""
+
+import argparse
+import json
+import sys
+from pathlib import Path
+
+from numstats.core import analyze_numbers
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(
+        description="Analyze numeric data from a file (one number per line)."
+    )
+    parser.add_argument("file", type=Path, help="Path to input file")
+    parser.add_argument(
+        "--top", type=int, default=5, help="Number of largest values to display"
+    )
+    parser.add_argument(
+        "--min-len", type=float, default=0.0,
+        help="Minimum value to include (numbers below are ignored)"
+    )
+    parser.add_argument(
+        "--format", choices=["text", "json"], default="text",
+        help="Output format"
+    )
+    parser.add_argument(
+        "--encoding", default="utf-8", help="File encoding (default: utf-8)"
+    )
+
+    args = parser.parse_args()
+
+    try:
+        stats = analyze_numbers(
+            args.file,
+            top_n=args.top,
+            min_len=args.min_len,
+            encoding=args.encoding,
+        )
+    except FileNotFoundError as e:
+        print(f"Error: {e}", file=sys.stderr)
+        sys.exit(1)
+    except Exception as e:
+        print(f"Unexpected error: {e}", file=sys.stderr)
+        sys.exit(1)
+
+    if args.format == "json":
+        # convert numbers to strings or keep as is; JSON serializable
+        output = {
+            "count": stats["count"],
+            "sum": stats["sum"],
+            "mean": stats["mean"],
+            "min": stats["min"],
+            "max": stats["max"],
+            "top": stats["top"],
+        }
+        print(json.dumps(output, indent=2))
+    else:
+        print(f"Count: {stats['count']}")
+        print(f"Sum:   {stats['sum']:.4f}" if isinstance(stats['sum'], float) else f"Sum:   {stats['sum']}")
+        print(f"Mean:  {stats['mean']:.4f}" if isinstance(stats['mean'], float) else f"Mean:  {stats['mean']}")
+        print(f"Min:   {stats['min']}")
+        print(f"Max:   {stats['max']}")
+        if stats['top']:
+            print("Top largest values:")
+            for idx, val in enumerate(stats['top'], 1):
+                print(f"  {idx}. {val}")
+        else:
+            print("No values to display.")
+
+
+if __name__ == "__main__":
+    main()

src/numstats/core.py

@@ -0,0 +1,76 @@
+"""Core functions for numeric analysis."""
+
+from pathlib import Path
+from typing import List, Tuple, Optional
+
+
+def read_numbers(
+    file_path: Path, encoding: str = "utf-8", min_value: Optional[float] = None
+) -> List[float]:
+    """
+    Read numbers from a file. Each line may contain one number.
+    Lines that cannot be parsed as float are skipped.
+    """
+    if not file_path.exists():
+        raise FileNotFoundError(f"File not found: {file_path}")
+
+    numbers: List[float] = []
+    with file_path.open(encoding=encoding) as f:
+        for line in f:
+            line = line.strip()
+            if not line:
+                continue
+            try:
+                val = float(line)
+                if min_value is None or val >= min_value:
+                    numbers.append(val)
+            except ValueError:
+                # skip non‑numeric lines (per requirement, we can ignore them)
+                continue
+    return numbers
+
+
+def analyze_numbers(
+    file_path: Path,
+    top_n: int = 5,
+    min_len: int = 0,        # used as minimum numeric value
+    encoding: str = "utf-8",
+) -> dict:
+    """
+    Perform statistical analysis on numbers from a file.
+
+    Returns a dict with:
+        - count: total number of valid numbers
+        - sum: sum of all numbers
+        - mean: arithmetic mean
+        - min: minimum value
+        - max: maximum value
+        - top: list of (value, count?) or just values? We'll return top N largest numbers.
+    """
+    numbers = read_numbers(file_path, encoding=encoding, min_value=float(min_len))
+    if not numbers:
+        return {
+            "count": 0,
+            "sum": 0.0,
+            "mean": 0.0,
+            "min": None,
+            "max": None,
+            "top": [],
+        }
+
+    total = sum(numbers)
+    count = len(numbers)
+    mean = total / count
+    min_val = min(numbers)
+    max_val = max(numbers)
+    # top N largest numbers (if top_n > 0)
+    top_values = sorted(numbers, reverse=True)[:top_n]
+
+    return {
+        "count": count,
+        "sum": total,
+        "mean": mean,
+        "min": min_val,
+        "max": max_val,
+        "top": top_values,
+    }

src/text_analyzer/cli.py

@@ -1,40 +0,0 @@
-import argparse
-import json
-import sys
-from pathlib import Path
-
-from text_analyzer.core import analyze_file
-
-
-def main() -> None:
-    parser = argparse.ArgumentParser(description="Text Analyzer CLI tool")
-    parser.add_argument("file", type=Path, help="Path to text file")
-    parser.add_argument("--top", type=int, default=5, help="Top N words")
-    parser.add_argument("--min-len", type=int, default=1, help="Minimum word length")
-    parser.add_argument(
-        "--format", choices=["text", "json"], default="text", help="Output format"
-    )
-
-    args = parser.parse_args()
-
-    try:
-        results = analyze_file(args.file, top_n=args.top, min_len=args.min_len)
-    except FileNotFoundError as e:
-        print(f"Error: {e}", file=sys.stderr)
-        sys.exit(1)
-
-    if args.format == "json":
-        print(json.dumps(results, indent=2))
-    else:
-        print(f"Lines: {results['lines']}")
-        print(f"Words: {results['words']}")
-        print(f"Chars: {results['chars']}")
-        print("Top words:")
-        top_words = results["top_words"]
-        if isinstance(top_words, list):
-            for word, count in top_words:
-                print(f"  {word}: {count}")
-
-
-if __name__ == "__main__":
-    main()

src/text_analyzer/core.py

@@ -1,28 +0,0 @@
-from collections import Counter
-from pathlib import Path
-	
-	
-def analyze_file(
-    file_path: Path, top_n: int = 5, min_len: int = 1
-) -> dict[str, object]:
-	# Чтение файла и сбор базовой статистики
-    if not file_path.exists():
-        raise FileNotFoundError(f"File not found: {file_path}")
-
-    text = file_path.read_text(encoding="utf-8")
-    lines = text.splitlines()
-    words = [
-        w.lower().strip(".,!?;:\"'()")
-        for w in text.split()
-        if len(w.strip(".,!?;:\"'()")) >= min_len
-    ]
-
-    counter = Counter(words)
-    top_words = counter.most_common(top_n)
-
-    return {
-        "lines": len(lines),
-        "words": len(words),
-        "chars": len(text),
-        "top_words": top_words,
-    }

tests/test_core.py

@@ -1,64 +1,78 @@
-from pathlib import Path
+"""Tests for core numeric analysis."""
 
+from pathlib import Path
 import pytest
 
-from text_analyzer.core import analyze_file
+from numstats.core import analyze_numbers, read_numbers
 
 
-def test_basic_analysis(tmp_path: Path) -> None:
-    test_file = tmp_path / "test.txt"
-    test_file.write_text("hello world\nhello python")
-
-    res = analyze_file(test_file)
-    assert res["lines"] == 2
-    assert res["words"] == 4
-    assert res["top_words"] == [("hello", 2), ("world", 1), ("python", 1)]
+def test_read_numbers_basic(tmp_path: Path) -> None:
+    f = tmp_path / "data.txt"
+    f.write_text("1\n2.5\n3\n")
+    nums = read_numbers(f)
+    assert nums == [1.0, 2.5, 3.0]
 
 
-def test_file_not_found() -> None:
+def test_read_numbers_skips_non_numeric(tmp_path: Path) -> None:
+    f = tmp_path / "bad.txt"
+    f.write_text("1\na\n2\n")
+    nums = read_numbers(f)
+    assert nums == [1.0, 2.0]
+
+
+def test_read_numbers_min_filter(tmp_path: Path) -> None:
+    f = tmp_path / "filter.txt"
+    f.write_text("1\n5\n10\n")
+    nums = read_numbers(f, min_value=5)
+    assert nums == [5.0, 10.0]
+
+
+def test_read_numbers_file_not_found() -> None:
     with pytest.raises(FileNotFoundError):
-        analyze_file(Path("non_existent_file_123.txt"))
+        read_numbers(Path("nonexistent.txt"))
 
 
-def test_empty_file(tmp_path: Path) -> None:
-    test_file = tmp_path / "empty.txt"
-    test_file.write_text("")
-
-    res = analyze_file(test_file)
-    assert res["lines"] == 0
-    assert res["words"] == 0
-    assert res["top_words"] == []
+def test_analyze_numbers_empty(tmp_path: Path) -> None:
+    f = tmp_path / "empty.txt"
+    f.write_text("")
+    res = analyze_numbers(f)
+    assert res["count"] == 0
+    assert res["mean"] == 0.0
+    assert res["min"] is None
+    assert res["max"] is None
+    assert res["top"] == []
 
 
 @pytest.mark.parametrize(
-    "min_len,expected_words",
+    "content, top_n, min_len, expected_count, expected_sum, expected_mean, expected_top",
     [
-        (1, 4),
-        (3, 2),
-        (4, 1),
+        ("1\n2\n3\n", 2, 0, 3, 6.0, 2.0, [3.0, 2.0]),
+        ("-5\n0\n10\n", 1, 0, 3, 5.0, 5.0/3, [10.0]),
+        ("1\n2\n3\n4\n", 3, 2, 3, 9.0, 3.0, [4.0, 3.0, 2.0]),
+        ("", 5, 0, 0, 0.0, 0.0, []),
     ],
 )
-def test_min_length_filter(tmp_path: Path, min_len: int, expected_words: int) -> None:
-    test_file = tmp_path / "filter.txt"
-    test_file.write_text("a ab abc abcd")
-
-    res = analyze_file(test_file, min_len=min_len)
-    assert res["words"] == expected_words
+def test_analyze_numbers_parametrized(
+    tmp_path: Path,
+    content: str,
+    top_n: int,
+    min_len: int,
+    expected_count: int,
+    expected_sum: float,
+    expected_mean: float,
+    expected_top: list,
+) -> None:
+    f = tmp_path / "param.txt"
+    f.write_text(content)
+    res = analyze_numbers(f, top_n=top_n, min_len=min_len)
+    assert res["count"] == expected_count
+    assert abs(res["sum"] - expected_sum) < 1e-9
+    assert abs(res["mean"] - expected_mean) < 1e-9
+    assert res["top"] == expected_top
 
 
-def test_top_n_param(tmp_path: Path) -> None:
-    test_file = tmp_path / "top.txt"
-    test_file.write_text("one two two three three three")
-
-    res = analyze_file(test_file, top_n=2)
-    top_words = res["top_words"]
-    assert isinstance(top_words, list)
-    assert len(top_words) == 2
-
-
-def test_punctuation_stripping(tmp_path: Path) -> None:
-    test_file = tmp_path / "punct.txt"
-    test_file.write_text("hello, world! hello...")
-
-    res = analyze_file(test_file)
-    assert res["top_words"] == [("hello", 2), ("world", 1)]
+def test_analyze_numbers_encoding(tmp_path: Path) -> None:
+    f = tmp_path / "utf16.txt"
+    f.write_text("1\n2\n3\n", encoding="utf-16")
+    res = analyze_numbers(f, encoding="utf-16")
+    assert res["count"] == 3