Clippy!
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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Clippy do
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@moduledoc false
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# No software is complete until they have a Clippy implementation.
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# A ballmer peak _may_ be required to change this module.
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def tip() do
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tips()
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|> Enum.random()
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|> puts()
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end
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def tips() do
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host = Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
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[
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"“πλήρωμα” is “pleroma” in greek",
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"For an extended Pleroma Clippy Experience, use the “Redmond” themes in Pleroma FE settings",
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"Staff accounts and MRF policies of Pleroma instances are disclosed on the NodeInfo endpoints for easy transparency!\n
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- https://catgirl.science/misc/nodeinfo.lua?#{host}
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- https://fediverse.network/#{host}/federation",
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"Pleroma can federate to the Dark Web!\n
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- Tor: https://git.pleroma.social/pleroma/pleroma/wikis/Easy%20Onion%20Federation%20(Tor)
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- i2p: https://git.pleroma.social/pleroma/pleroma/wikis/I2p%20federation",
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"Lists of Pleroma instances are available at:\n\n- http://distsn.org/pleroma-instances.html\n- https://fediverse.network/pleroma\n- https://the-federation.info/pleroma",
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"Pleroma uses the LitePub protocol - https://litepub.social",
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"To receive more federated posts, subscribe to relays!\n
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- How-to: https://git.pleroma.social/pleroma/pleroma/wikis/Admin%20tasks#relay-managment
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- Relays: https://fediverse.network/activityrelay"
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]
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end
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@spec puts(String.t() | [[IO.ANSI.ansicode() | String.t(), ...], ...]) :: nil
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def puts(text_or_lines) do
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import IO.ANSI
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lines =
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if is_binary(text_or_lines) do
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String.split(text_or_lines, ~r/\n/)
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else
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text_or_lines
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end
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longest_line_size =
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lines
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|> Enum.map(&charlist_count_text/1)
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|> Enum.sort(&>=/2)
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|> List.first()
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pad_text = longest_line_size
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pad =
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for(_ <- 1..pad_text, do: "_")
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|> Enum.join("")
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pad_spaces =
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for(_ <- 1..pad_text, do: " ")
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|> Enum.join("")
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spaces = " "
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pre_lines = [
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" / \\#{spaces} _#{pad}___",
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" | |#{spaces} / #{pad_spaces} \\"
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]
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for l <- pre_lines do
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IO.puts(l)
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end
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clippy_lines = [
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" #{bright()}@ @#{reset()}#{spaces} ",
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" || ||#{spaces}",
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" || || <--",
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" |\\_/| ",
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" \\___/ "
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]
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noclippy_line = " "
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env = %{
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max_size: pad_text,
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pad: pad,
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pad_spaces: pad_spaces,
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spaces: spaces,
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pre_lines: pre_lines,
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noclippy_line: noclippy_line
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}
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clippy_line(lines, clippy_lines, env)
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rescue
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e ->
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IO.puts("(Clippy crashed, sorry: #{inspect(e)})")
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IO.puts(text_or_lines)
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end
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defp clippy_line([line | lines], [prefix | clippy_lines], env) do
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IO.puts([prefix <> "| ", rpad_line(line, env.max_size)])
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clippy_line(lines, clippy_lines, env)
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end
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# more text lines but clippy's complete
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defp clippy_line([line | lines], [], env) do
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IO.puts([env.noclippy_line, "| ", rpad_line(line, env.max_size)])
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if lines == [] do
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IO.puts(env.noclippy_line <> "\\_#{env.pad}___/")
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end
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clippy_line(lines, [], env)
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end
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# no more text lines but clippy's not complete
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defp clippy_line([], [clippy | clippy_lines], env) do
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if env.pad do
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IO.puts(clippy <> "\\_#{env.pad}___/")
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clippy_line([], clippy_lines, %{env | pad: nil})
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else
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IO.puts(clippy)
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clippy_line([], clippy_lines, env)
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end
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end
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defp clippy_line(_, _, _) do
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end
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defp rpad_line(line, max) do
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pad = max - (charlist_count_text(line) - 2)
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pads = Enum.join(for(_ <- 1..pad, do: " "))
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[IO.ANSI.format(line), pads <> " |"]
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end
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defp charlist_count_text(line) do
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if is_list(line) do
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text = Enum.join(Enum.filter(line, &is_binary/1))
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String.length(text)
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else
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String.length(line)
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end
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end
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end
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@ -1,5 +1,9 @@
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defmodule Pleroma.Repo.Migrations.UsersAndActivitiesFlakeId do
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use Ecto.Migration
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alias Pleroma.Clippy
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require Integer
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import Ecto.Query
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alias Pleroma.Repo
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# This migrates from int serial IDs to custom Flake:
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# 1- create a temporary uuid column
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@ -15,6 +19,8 @@ def change do
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#execute "update activities set external_id = CAST( LPAD( TO_HEX(id), 32, '0' ) AS uuid);"
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#execute "update users set external_id = CAST( LPAD( TO_HEX(id), 32, '0' ) AS uuid);"
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clippy = start_clippy_heartbeats()
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# Lock both tables to avoid a running server to meddling with our transaction
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execute "LOCK TABLE activities;"
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execute "LOCK TABLE users;"
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@ -52,5 +58,54 @@ def change do
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execute "ALTER TABLE #{table} ADD CONSTRAINT #{table}_user_id_fkey FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE;"
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end
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stop_clippy_heartbeats(clippy)
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end
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defp start_clippy_heartbeats() do
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count = from(a in "activities", select: count(a.id)) |> Repo.one!
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pid = if count > 5000 do
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heartbeat_interval = :timer.minutes(2) + :timer.seconds(30)
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all_tips = Clippy.tips() ++ [
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"The migration is still running, maybe it's time for another tea?",
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"Happy rabbits practice a cute behavior known as a\n“binky:” they jump up in the air\nand twist\nand spin around!",
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"Nothing and everything.\n\nI still work.",
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"Pleroma runs on a Raspberry Pi!\n\n … but this migration will take forever if you\nactually run on a raspberry pi",
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"Status? Stati? Post? Note? Toot?\nRepeat? Reboost? Boost? Retweet? Retoot??\n\nI-I'm confused.",
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]
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heartbeat = fn(heartbeat, runs, all_tips, tips) ->
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tips = if Integer.is_even(runs) do
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tips = if tips == [], do: all_tips, else: tips
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[tip | tips] = Enum.shuffle(tips)
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Clippy.puts(tip)
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tips
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else
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IO.puts "\n -- #{DateTime.to_string(DateTime.utc_now())} Migration still running, please wait…\n"
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tips
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end
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:timer.sleep(heartbeat_interval)
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heartbeat.(heartbeat, runs + 1, all_tips, tips)
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end
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Clippy.puts [
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[:red, :bright, "It looks like you are running an older instance!"],
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[""],
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[:bright, "This migration may take a long time", :reset, " -- so you probably should"],
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["go drink a coffee, or a tea, or a beer, a whiskey, a vodka,"],
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["while it runs to deal with your temporary fediverse pause!"]
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]
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:timer.sleep(heartbeat_interval)
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spawn_link(fn() -> heartbeat.(heartbeat, 1, all_tips, []) end)
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end
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end
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defp stop_clippy_heartbeats(pid) do
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if pid do
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Process.unlink(pid)
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Process.exit(pid, :kill)
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Clippy.puts [[:green, :bright, "Hurray!!", "", "", "Migration completed!"]]
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end
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end
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end
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