AI Implementation feature(1084): Blog Repository Clone and Pull Workflow (#3)

src/tenbackward/config.py

@@ -22,7 +22,7 @@ REQUIRED_KEYS = (
     "TZ",
 )
 
-OPTIONAL_KEYS: tuple[str, ...] = ()
+OPTIONAL_KEYS: tuple[str, ...] = ("BLOG_REPO_URL", "BLOG_DIR")
 
 DEFAULTS = {
     "VISIBILITY": "public",
@@ -30,6 +30,8 @@ DEFAULTS = {
     "MAX_RETRIES": "3",
     "TZ": "Europe/Berlin",
     "RUN_AT": "09:00",
+    "BLOG_REPO_URL": "https://git.chaospott.de/Chaospott/site",
+    "BLOG_DIR": "blog",
 }
 
 
@@ -52,6 +54,8 @@ class Config:
     run_at: str
     tz: str
     data_dir: Path = field(default_factory=lambda: Path("/app/data"))
+    blog_repo_url: str = "https://git.chaospott.de/Chaospott/site"
+    blog_dir: Path = field(default_factory=lambda: Path("/app/data/blog"))
     extra: dict = field(default_factory=dict)
 
     @property
@@ -103,6 +107,13 @@ def load_config(dotenv_path: Optional[Path] = None) -> Config:
 
     data_dir = Path(os.environ.get("DATA_DIR", "/app/data")).resolve()
 
+    blog_dir_raw = Path(merged["BLOG_DIR"]).expanduser()
+    blog_dir = (
+        blog_dir_raw
+        if blog_dir_raw.is_absolute()
+        else (data_dir / blog_dir_raw).resolve()
+    )
+
     extra = {k: v for k, v in merged.items() if k not in REQUIRED_KEYS + OPTIONAL_KEYS}
 
     return Config(
@@ -116,6 +127,8 @@ def load_config(dotenv_path: Optional[Path] = None) -> Config:
         run_at=merged["RUN_AT"],
         tz=merged["TZ"],
         data_dir=data_dir,
+        blog_repo_url=merged["BLOG_REPO_URL"],
+        blog_dir=blog_dir,
         extra=extra,
     )
 
@@ -151,6 +164,12 @@ def validate_config(values: dict[str, str]) -> None:
             f"VISIBILITY={visibility!r} must be one of: {sorted(ALLOWED_VISIBILITY)}"
         )
 
+    blog_repo_url = values.get("BLOG_REPO_URL", "")
+    if blog_repo_url and not _is_valid_url(blog_repo_url):
+        errors.append(
+            f"BLOG_REPO_URL={blog_repo_url!r} must be a valid http(s) URL"
+        )
+
     tz = values.get("TZ", "")
     if tz and not _is_valid_tz(tz):
         errors.append(f"TZ={tz!r} must be a valid IANA timezone")