#!/usr/bin/env python3 from colorama import Fore, Style import sys import re ansi_escape = re.compile(r'\x1B\[[0-?]*[ -/]*[@-~]') stat_re = re.compile(r'(| \d+ )(\+*)(\-*)') lines_re = re.compile(r'@@ (-\d+,\d+ \+\d+,\d+) @@') patch = sys.stdin.read().replace("\r\n", "\n") patch = ansi_escape.sub('', patch) hit_diff = False for line in patch.split("\n"): if line.startswith("diff "): hit_diff = True print(f"{Style.BRIGHT}{line}{Style.RESET_ALL}") continue if hit_diff: if line.startswith("-"): print(f"{Fore.RED}{line}{Style.RESET_ALL}") elif line.startswith("+"): print(f"{Fore.GREEN}{line}{Style.RESET_ALL}") elif line.startswith(" "): print(line) else: if line.startswith("@@"): line = lines_re.sub(f"{Fore.CYAN}@@ \\1 @@{Style.RESET_ALL}", line) print(line) else: print(f"{Style.BRIGHT}{line}{Style.RESET_ALL}") else: if line.startswith(" ") and "|" in line and ("+" in line or "-" in line): line = stat_re.sub( f'\\1{Fore.GREEN}\\2{Fore.RED}\\3{Style.RESET_ALL}', line) print(line)