fix following symlinks

Author: URenko

comiclib/scan.py

@@ -1,4 +1,6 @@
 import importlib
+import itertools
+import os
 import sys
 import copy
 import hashlib
@@ -34,8 +36,8 @@
 
 def scan(paths):
     with Session(engine) as db:
-        for p in paths:  # TODO: https://github.com/python/cpython/issues/77609
-            p = Path(p).resolve().relative_to(Path(settings.content).resolve())
+        for p in paths:
+            p = Path(os.path.relpath(p, settings.content))
             if p.is_relative_to('thumb'):
                 continue
             old_a = db.scalar(select(Archive).where(
@@ -100,7 +102,7 @@ def watch():
         for _, fname in changes:
             try:
                 if _check_inuse:
-                    if fname not in get_files_inuse():
+                    if Path(fname).resolve() not in get_files_inuse():
                         scan([fname])
                 else:
                     while file_sizes.get(fname, -1) != (fsize := Path(fname).stat().st_size):
@@ -112,4 +114,7 @@ def watch():
 
 
 def scannow():
-    scan(Path(settings.content).rglob('*'))
+    # TODO: https://github.com/python/cpython/issues/77609
+    scan(itertools.chain.from_iterable(
+        itertools.chain((Path(dirpath)/dirname for dirname in dirnames), (Path(dirpath)/filename for filename in filenames)) for dirpath, dirnames, filenames in os.walk(settings.content, followlinks=True))
+    )

docs/en/docs/settings.md

@@ -28,7 +28,7 @@ The following is a list of available settings:
 | ------- | ---- | ----- |
 | `debug` | Turn on debug output (`True`/`False`) | `False` |
 | `loglevel` | Log level (`DEBUG`/`INFO`/`WARNING`/`ERROR`/`CRITICAL`). If `debug` is `True`, it will be overwritten to `DEBUG` | `INFO` |
-| `content` | The path where the comic file is stored (due to [a problem with Python](https://github.com/python/cpython/issues/77609), following symbolic links is not currently supported) | `.` |
+| `content` | The path where the comic file is stored | `.` |
 | `thumb` | The path where the generated thumbnails are stored | `./thumb`|
 | `metadata` | The URL for metadata database, refer to [SQLAlchemy documentation](https://docs.sqlalchemy.org/en/20/core/engines.html#database-urls) | `sqlite:///./comiclib_metadata.db` |
 | `password` | Admin password. If it is `None`, any visitor will have editing permissions. This feature is designed to protect against gentlemen but not villains. If you need security protection, please use e.g. the HTTP basic authentication of the reverse proxy, Cloudflare Access or TLS client certificate, etc. | `None`|

docs/zh/docs/settings.md

@@ -28,7 +28,7 @@
 | ------- | ---- | ----- |
 | `debug` | 开启调试输出（`True`/`False`） | `False` |
 | `loglevel` | 日志级别（`DEBUG`/`INFO`/`WARNING`/`ERROR`/`CRITICAL`），若`debug`为`True`，会被覆盖为`DEBUG` | `INFO` |
-| `content` | 漫画文件存放的路径（由于 [Python 的一个问题](https://github.com/python/cpython/issues/77609)，暂不支持跟随符号链接） | `.` |
+| `content` | 漫画文件存放的路径 | `.` |
 | `thumb` | 生成的缩略图存放的路径 | `./thumb`|
 | `metadata` | 元数据库 URL，参考[SQLAlchemy 文档](https://docs.sqlalchemy.org/en/20/core/engines.html#database-urls) | `sqlite:///./comiclib_metadata.db` |
 | `password` | 管理密码，若为`None`则任何访客皆可编辑。此功能防君子不防小人，若需安全保护请借助反向代理的 HTTP 基本验证、Cloudflare Access 或 TLS 客户端证书等。| `None`|