Implement a `raise_for_status()` on `HTTPError`

src/delarte/api.py

@@ -15,8 +15,7 @@ def _fetch_api_object(http, url, object_type):
     # Fetch an API object.
 
     r = http.request("GET", url)
-    if not 200 <= r.status < 300:
-        raise HTTPError(r)
+    HTTPError.raise_for_status(r)
 
     mime_type = r.getheader("content-type")
     if mime_type != MIME_TYPE:

src/delarte/download.py

@@ -27,8 +27,7 @@ def download_mp4_media(url, file_name, http, on_progress):
             headers={"Range": f"bytes={f.tell()}-"},
             preload_content=False,
         )
-        if not 200 <= r.status < 300:
-            raise HTTPError(r)
+        HTTPError.raise_for_status(r)
 
         _, total = r.getheader("content-range").split("/")
         total = int(total)
@@ -54,8 +53,7 @@ def download_vtt_media(url, file_name, http, on_progress):
 
     with open(temp_file, "w", encoding="utf-8") as f:
         r = http.request("GET", url)
-        if not 200 <= r.status < 300:
-            raise HTTPError(r)
+        HTTPError.raise_for_status(r)
 
         subtitles.convert(r.data.decode("utf-8"), f)
         on_progress(file_name, f.tell(), f.tell())

src/delarte/error.py

@@ -27,6 +27,11 @@ class UnexpectedError(ModuleError):
 class HTTPError(Exception):
     """A wrapper around a filed HTTP response."""
 
+    @classmethod
+    def raise_for_status(self, r):
+        if not 200 <= r.status < 300:
+            raise self(r)
+
 
 #
 # www

src/delarte/hls.py

@@ -30,8 +30,7 @@ MIME_TYPE = "application/x-mpegURL"
 def _fetch_index(http, url):
     # Fetch a M3U8 playlist
     r = http.request("GET", url)
-    if not 200 <= r.status < 300:
-        raise HTTPError(r)
+    HTTPError.raise_for_status(r)
 
     if (_ := r.getheader("content-type")) != MIME_TYPE:
         raise UnexpectedHLSResponse("MIME_TYPE", url, MIME_TYPE, _)

src/delarte/www.py

@@ -101,8 +101,7 @@ def iter_programs(page_url, http):
     # special handling of 404
     if r.status == 404:
         raise PageNotFound(page_url)
-    if not 200 <= r.status < 300:
-        raise HTTPError(r)
+    HTTPError.raise_for_status(r)
 
     # no HTML parsing required, whe just find the mark
     html = r.data.decode("utf-8")