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fix: handle empty channel tabs gracefully

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prevents 500s when a channel tab is empty
This commit is contained in:
sherl
2025-09-28 10:12:23 +02:00
parent 4a311f185c
commit a2e2fedc90
1 changed files with 7 additions and 6 deletions
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13
ythdd_inv_tl.py
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@@ -665,9 +665,9 @@ def get_channel_tab(requested_tab, ucid, req, only_json: bool = False):
# only the renderers differ - but they are taken care of in ythdd_struct_parser.parseRenderers()
if ctoken is None:
inner_contents = safeTraverse(result, ["richGridRenderer", "contents"], default=[[]])
inner_contents = safeTraverse(result, ["richGridRenderer", "contents"], default=[])
else:
inner_contents = safeTraverse(wdata, ["onResponseReceivedActions", 0, "appendContinuationItemsAction", "continuationItems"], default=[[]])
inner_contents = safeTraverse(wdata, ["onResponseReceivedActions", 0, "appendContinuationItemsAction", "continuationItems"], default=[])
for entry in inner_contents:
# videos from videos tab have no owner info (?) or it's in another place. if it is somewhere, this expression can be made simpler by traversing something else in struct parser.
@@ -675,7 +675,7 @@ def get_channel_tab(requested_tab, ucid, req, only_json: bool = False):
if item is not None:
items.append(ythdd_struct_parser.parseRenderers(item, {"author_name": name, "author_ucid": ucid, "avatar": avatar}))
new_continuation = safeTraverse(inner_contents[-1], ["continuationItemRenderer", "continuationEndpoint", "continuationCommand", "token"], default="")
new_continuation = safeTraverse(inner_contents, [-1, "continuationItemRenderer", "continuationEndpoint", "continuationCommand", "token"], default="")
response = {
"videos": items
@@ -694,16 +694,17 @@ def get_channel_tab(requested_tab, ucid, req, only_json: bool = False):
case "playlists":
# todo: replace this with an on-demand generated ctoken?
if ctoken is None:
inner_contents = safeTraverse(result, ["sectionListRenderer", "contents", 0, "itemSectionRenderer", "contents", 0, "gridRenderer", "items"], default=[[]])
inner_contents = safeTraverse(result, ["sectionListRenderer", "contents", 0, "itemSectionRenderer", "contents", 0, "gridRenderer", "items"], default=[])
else:
inner_contents = safeTraverse(wdata, ["onResponseReceivedActions", 0, "appendContinuationItemsAction", "continuationItems"], default=[[]])
inner_contents = safeTraverse(wdata, ["onResponseReceivedActions", 0, "appendContinuationItemsAction", "continuationItems"], default=[])
for entry in inner_contents:
item = ythdd_struct_parser.parseRenderers(entry, {"author_name": name, "author_ucid": ucid, "avatar": avatar})
items.append(item)
new_continuation = safeTraverse(inner_contents[-1], ["continuationItemRenderer", "continuationEndpoint", "continuationCommand", "token"], default="")
new_continuation = safeTraverse(inner_contents, [-1, "continuationItemRenderer", "continuationEndpoint", "continuationCommand", "token"], default="")
response = {
"playlists": items