Ubuntu
62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
#!/usr/bin/env python3
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"""自动压缩图片，无需交互"""
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import os
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import subprocess
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from pathlib import Path
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MAX_WIDTH = 2180
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SOURCE_DIR = Path('/home/ubuntu/images')
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BACKUP_DIR = SOURCE_DIR / 'original_backup'
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def get_size(f):
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try:
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r = subprocess.run(['identify', '-format', '%w %h', str(f)], capture_output=True, text=True)
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return map(int, r.stdout.strip().split())
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except:
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return None, None
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def resize(f, out):
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try:
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cmd = ['convert', str(f), '-resize', f'{MAX_WIDTH}x>', '-quality', '90', str(out)]
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subprocess.run(cmd, check=True, capture_output=True)
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return True
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except Exception as e:
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print(f" 失败: {e}")
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return False
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# 创建备份目录
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BACKUP_DIR.mkdir(exist_ok=True)
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exts = {'.jpg', '.jpeg', '.png', '.webp'}
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images = []
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for f in SOURCE_DIR.iterdir():
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if f.is_file() and f.suffix.lower() in exts:
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w, h = get_size(f)
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if w and w > MAX_WIDTH:
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images.append({'file': f, 'w': w, 'h': h})
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print(f"压缩 {len(images)} 张图片...\n")
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success = 0
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for i, item in enumerate(images, 1):
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f = item['file']
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print(f"[{i}/{len(images)}] {f.name}")
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# 备份
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backup = BACKUP_DIR / f.name
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os.rename(f, backup)
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# 压缩
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if resize(backup, f):
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nw, nh = get_size(f)
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orig_kb = backup.stat().st_size / 1024
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new_kb = f.stat().st_size / 1024
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print(f" {item['w']}x{item['h']} → {nw}x{nh}")
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print(f" {orig_kb:.1f}KB → {new_kb:.1f}KB\n")
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success += 1
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else:
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os.rename(backup, f)
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print(f"✅ 完成: {success}/{len(images)} 张")
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print(f"📁 备份: {BACKUP_DIR}")
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