backend/plugins: Throw error if E-Hentai response is missing 'gmetadata'

It might be that we get a valid (maybe empty) response from the API, in
which case we do not want to simply crash because we expect the
'gmetadata' field in the response. Instead, throw a proper ScrapeError
for it.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/hircine/plugins/scrapers/ehentai_api.py b/src/hircine/plugins/scrapers/ehentai_api.py
index d9d539d..d276c5b 100644
--- a/src/hircine/plugins/scrapers/ehentai_api.py
+++ b/src/hircine/plugins/scrapers/ehentai_api.py
@@ -71,5 +71,7 @@ class EHentaiAPIScraper(Scraper):
                 yield from handler.scrape(response)
             except json.JSONDecodeError as err:
                 raise ScrapeError("Could not parse JSON response") from err
+            except (KeyError, IndexError) as err:
+                raise ScrapeError("Response is missing 'gmetadata' field") from err
         else:
             raise ScrapeError(f"Request failed with status code {request.status_code}")