Illustratorファイル（ai, eps）の作成アプリバージョンを検出するPython3スクリプト

aiver3.py

#!/usr/bin/env python3

import sys
import time
import argparse
import glob

__version__ = "2.0.1"

def getAppName(ver):
    try:
        versions = ver.split('.')
        major_version = int(versions[0])
        major_minor_version = float(f"{versions[0]}.{versions[1]}")

        if (1 <= major_version <= 4) or (6 <= major_version <= 10):
            return str(major_version)
        elif major_version == 5:
            return '5' if major_minor_version < 5.5 else '5.5'
        elif major_version == 11:
            return 'CS'
        elif (12 <= major_version <= 14) or major_version == 16:
            return f'CS{major_version - 10}'
        elif major_version == 15:
            return 'CS5' if major_minor_version < 15.5 else 'CS5.5'
        elif major_version == 17:
            return 'CC'
        elif (18 <= major_version <= 19) or (21 <= major_version <= 23):
            return f'CC {major_version + 1996}'
        elif major_version == 20:
            return 'CC 2015.3'
        else:
            return str(major_version + 1996)
    except (ValueError, IndexError):
        return f"Unknown version: {ver}"

def process_file(file_path, timeout=None):
    start_time = time.time()
    
    if not file_path.lower().endswith(('.ai', '.eps')):
        return f"Error: File {file_path} is not an .ai or .eps file."

    try:
        with open(file_path, 'r', errors='ignore') as file:
            for line in file:
                if timeout is not None and time.time() - start_time > timeout:
                    return f"Timeout of {timeout} seconds reached for {file_path}."

                if line.startswith("%%AI8_CreatorVersion:"):
                    version = line.strip().split("%%AI8_CreatorVersion:", 1)[1].strip()
                    app_name = getAppName(version)
                    return f"{file_path}: {app_name} ({version})"

        return f"Error: Adobe Illustrator version information not found in {file_path}."
    except IOError as e:
        return f"Error reading file {file_path}: {e}"

def process_files(file_paths, timeout=None):
    results = []
    for file_path in file_paths:
        result = process_file(file_path, timeout)
        results.append(result)
    return results

if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description=f"aiver3 v{__version__}\n"
                    "Detect Adobe Illustrator creator version from AI or EPS files.",
        epilog="Note:\n"
               "This script detects only the creator version of Illustrator files,\n"
               "not the compatible version.\n\n"
               "Example:\n"
               "  python3 aiver3.py example.ai\n"
               "  python3 aiver3.py -t 5 *.eps\n"
               "  python3 aiver3.py file1.ai file2.ai file3.eps",
        formatter_class=argparse.RawTextHelpFormatter
    )

    parser.add_argument("file_paths", nargs='+', help="Path(s) to the AI or EPS file(s). Wildcards are supported.")
    parser.add_argument("-t", "--timeout", type=float, metavar="SECONDS",
                        help="Timeout in seconds for each file (optional). If not specified, the script will run until completion.")
    parser.add_argument("-v", "--version", action="version", version=f"%(prog)s {__version__}")
    
    args = parser.parse_args()

    # Expand wildcards in file paths
    expanded_file_paths = []
    for path in args.file_paths:
        expanded_file_paths.extend(glob.glob(path))

    results = process_files(expanded_file_paths, args.timeout)
    for result in results:
        print(result)

Pytoh2用→ aiver.py

アップデートしました。主な変更点は下記の通り。

• バージョン検出処理を刷新した
• 作成バージョンのみ検出するようにした。互換バージョン検出は非対応に
• 結果を「フルパス: アプリケーション名 (バージョン番号)」の形式で出力するようにした
• -h で詳細な説明を出力するようにした