Merge ad76b50db4 into f3f32ae3ca

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.7.3 → v0.7.4](https://github.com/astral-sh/ruff-pre-commit/compare/v0.7.3...v0.7.4)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -16,7 +16,7 @@ repos:
       - id: auto-walrus
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.7.1
+    rev: v0.7.4
     hooks:
       - id: ruff
       - id: ruff-format
@@ -29,7 +29,7 @@ repos:
           - tomli
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: "v2.4.3"
+    rev: "v2.5.0"
     hooks:
       - id: pyproject-fmt
 
@@ -42,7 +42,7 @@ repos:
         pass_filenames: false
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.22
+    rev: v0.23
     hooks:
       - id: validate-pyproject
 

conversions/binary_to_base64.py

@@ -0,0 +1,120 @@
+"""
+* Author: Siddharth Singh (https://github.com/coolsidd)
+* Description: Convert a binary string to Base64.
+
+References for better understanding:
+https://en.wikipedia.org/wiki/Base64
+"""
+
+BITS_TO_B64 = {
+    "000000": "A",
+    "000001": "B",
+    "000010": "C",
+    "000011": "D",
+    "000100": "E",
+    "000101": "F",
+    "000110": "G",
+    "000111": "H",
+    "001000": "I",
+    "001001": "J",
+    "001010": "K",
+    "001011": "L",
+    "001100": "M",
+    "001101": "N",
+    "001110": "O",
+    "001111": "P",
+    "010000": "Q",
+    "010001": "R",
+    "010010": "S",
+    "010011": "T",
+    "010100": "U",
+    "010101": "V",
+    "010110": "W",
+    "010111": "X",
+    "011000": "Y",
+    "011001": "Z",
+    "011010": "a",
+    "011011": "b",
+    "011100": "c",
+    "011101": "d",
+    "011110": "e",
+    "011111": "f",
+    "100000": "g",
+    "100001": "h",
+    "100010": "i",
+    "100011": "j",
+    "100100": "k",
+    "100101": "l",
+    "100110": "m",
+    "100111": "n",
+    "101000": "o",
+    "101001": "p",
+    "101010": "q",
+    "101011": "r",
+    "101100": "s",
+    "101101": "t",
+    "101110": "u",
+    "101111": "v",
+    "110000": "w",
+    "110001": "x",
+    "110010": "y",
+    "110011": "z",
+    "110100": "0",
+    "110101": "1",
+    "110110": "2",
+    "110111": "3",
+    "111000": "4",
+    "111001": "5",
+    "111010": "6",
+    "111011": "7",
+    "111100": "8",
+    "111101": "9",
+    "111110": "+",
+    "111111": "/",
+}
+
+
+def bin_to_base64(bin_str: str) -> str:
+    """Convert a binary value to its base64 equivalent
+
+
+    >>> bin_to_base64("000001")
+    'AB'
+    >>> bin_to_base64("0")
+    'A'
+    >>> bin_to_base64("1")
+    'B'
+    >>> bin_to_base64("-1")
+    '-B'
+    >>> bin_to_base64(" -000001 ")
+    '-AB'
+    >>> bin_to_base64("0-0")
+    Traceback (most recent call last):
+        ...
+    ValueError: Non-binary value was passed to the function
+    >>> bin_to_base64("")
+    Traceback (most recent call last):
+        ...
+    ValueError: Empty string was passed to the function
+    """
+    bin_str = str(bin_str).strip()
+    if not bin_str:
+        raise ValueError("Empty string was passed to the function")
+    is_negative = bin_str[0] == "-"
+    if is_negative:
+        bin_str = bin_str[1:]
+    if not all(char in "01" for char in bin_str):
+        raise ValueError("Non-binary value was passed to the function")
+    bin_str = "0" * (6 * (divmod(len(bin_str), 6)[0] + 1) - len(bin_str)) + bin_str
+    base64_str = ""
+    while len(bin_str) > 0:
+        base64_str += BITS_TO_B64[bin_str[:6]]
+        bin_str = bin_str[6:]
+
+    return "-" + base64_str if is_negative else base64_str
+
+
+if __name__ == "__main__":
+    from doctest import testmod
+
+    testmod()

data_structures/arrays/sudoku_solver.py

@@ -172,7 +172,7 @@ def solved(values):
 
 def from_file(filename, sep="\n"):
     "Parse a file into a list of strings, separated by sep."
-    return open(filename).read().strip().split(sep)  # noqa: SIM115
+    return open(filename).read().strip().split(sep)
 
 
 def random_puzzle(assignments=17):

scripts/validate_filenames.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!python
 import os
 
 try: