fix: do not fail when one of the extension manifest files is not available

lnbits/core/views/generic.py

@@ -80,10 +80,7 @@ async def extensions_install(
         ] = await InstallableExtension.get_installable_extensions()
     except Exception as ex:
         logger.warning(ex)
-        raise HTTPException(
-            status_code=HTTPStatus.NOT_FOUND,
-            detail="Cannot fetch installable extension list",
-        )
+        extension_list = []
 
     try:
         if deactivate:

lnbits/extension_manger.py

@@ -225,12 +225,11 @@ class InstallableExtension(NamedTuple):
 
         async with httpx.AsyncClient() as client:
             for url in settings.lnbits_extensions_manifests:
+                try:
                     resp = await client.get(url)
                     if resp.status_code != 200:
-                    raise HTTPException(
-                        status_code=404,
-                        detail=f"Unable to fetch extension list for repository: {url}",
-                    )
+                        logger.warning(f"Unable to fetch extension list for repository: {url}")
+                        continue
                     for e in resp.json()["extensions"]:
                         extension_list += [
                             InstallableExtension(
@@ -246,6 +245,8 @@ class InstallableExtension(NamedTuple):
                                 else [],
                             )
                         ]
+                except Exception as e:
+                    logger.warning(e)
 
         return extension_list