Pasture: PeerTube joins, and its videos play through us

PeerTube 8.3.1 runs on the shared Postgres and Redis, transcoding off. Its
scenario passes 24 checks: a persona follows a channel; a new video comes as
the channel's Announce and reaches the persona's home as a boost, playable
through the media proxy with byte ranges; comments both ways thread; a like
and its undo count; renaming and deletion arrive; the unfollow; statistics.

The town's seeder also takes reruns on the same accounts in its stride: a
Lemmy community already made is found, a circle member already approved
asks nothing again.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw

tools/pasture/town/dialects/lemmy_api.py

@@ -77,7 +77,13 @@ class LemmyApi(Driver):
 
 	# -- communities and people
 	def community(self, s, name, title):
-		return self.lm(s, "POST", "community", {"name": name, "title": title})["community_view"]["community"]
+		try:
+			return self.lm(s, "POST", "community", {"name": name, "title": title})["community_view"]["community"]
+		except HttpError as e:
+			# a run on accounts an earlier run made finds the community it made
+			if "already_exists" not in str(e):
+				raise
+			return self.lm(s, "GET", "community", params={"name": name})["community_view"]["community"]
 
 	def resolve_community(self, s, ref):
 		"""ref: !name@host"""