第二篇博客：用 Obsidian 写作，用 GitHub Pages 发布

import re
import shutil
import sys
from pathlib import Path

# Usage:
# python publish-images.py "00allen.ee/_posts/2026-04-28-post2.md"

if len(sys.argv) < 2:
    print('Usage: python publish-images.py "00allen.ee/_posts/2026-04-28-post2.md"')
    sys.exit(1)

post_file = Path(sys.argv[1])

vault_root = Path("D:/B4P360/Documents/Obsidian260223")
attach_dir = vault_root / "Attachments"
site_root = vault_root / "allen.ee" / "00allen.ee"

if not post_file.exists():
    print(f"Post file not found: {post_file}")
    sys.exit(1)

basename = post_file.name
m = re.match(r"^(\d{4})-(\d{2})-(\d{2})-(.+)\.md$", basename)

if not m:
    print(f"Cannot detect date from filename: {basename}")
    print("Expected filename like: 2026-04-28-post2.md")
    sys.exit(1)

year, month, day, slug_tail = m.groups()
slug = basename[:-3]

dest_dir = site_root / "assets" / "images" / year / month
dest_dir.mkdir(parents=True, exist_ok=True)

# Use relative path from _posts/ to assets/
url_prefix = f"../assets/images/{year}/{month}"

text = post_file.read_text(encoding="utf-8")

# Match Obsidian image syntax:
# ![[image.png]]
# ![[image.png|500]]
pattern = re.compile(
    r"!\[\[([^]\|]+\.(?:png|jpg|jpeg|gif|webp))(?:\|[^\]]+)?\]\]",
    re.IGNORECASE,
)

matches = list(pattern.finditer(text))

if not matches:
    print("No Obsidian image embeds found.")
    sys.exit(0)

counter = 1
replacements = {}

for match in matches:
    original = match.group(0)
    image_name = match.group(1)

    ext = Path(image_name).suffix.lower()
    new_name = f"{slug}-{counter:02d}{ext}"

    src = attach_dir / image_name
    dest = dest_dir / new_name
    url = f"{url_prefix}/{new_name}"
    alt = Path(image_name).stem

    if not src.exists():
        print(f"Image not found: {src}")
        counter += 1
        continue

    shutil.copy2(src, dest)

    markdown_img = f"![{alt}]({url})"
    replacements[original] = markdown_img

    print(f"Copied: {src}")
    print(f"   ->   {dest}")
    print(f"Replaced: {original}")
    print(f"   ->   {markdown_img}")

    counter += 1

for old, new in replacements.items():
    text = text.replace(old, new)

post_file.write_text(text, encoding="utf-8")

print()
print("Done.")
print(f"Updated post: {post_file}")
print(f"Images saved to: {dest_dir}")