[Tarantool-patches] [PATCH v4 5/10] Fix luacheck warnings in src/box/lua/
sergeyb at tarantool.org
sergeyb at tarantool.org
Tue Apr 21 17:00:22 MSK 2020
From: Sergey Bronnikov <sergeyb at tarantool.org>
Closes #4681
Reviewed-by: Vladislav Shpilevoy <v.shpilevoy at tarantool.org>
Co-authored-by: Vladislav Shpilevoy <v.shpilevoy at tarantool.org>
---
.luacheckrc | 8 ++++++++
src/box/lua/console.lua | 6 +++---
src/box/lua/feedback_daemon.lua | 2 +-
src/box/lua/key_def.lua | 2 +-
src/box/lua/load_cfg.lua | 25 +++++++++++------------
src/box/lua/net_box.lua | 26 ++++++++----------------
src/box/lua/schema.lua | 35 ++++++++++++++++-----------------
src/box/lua/tuple.lua | 8 +++-----
src/box/lua/upgrade.lua | 19 +++++++++---------
9 files changed, 62 insertions(+), 69 deletions(-)
diff --git a/.luacheckrc b/.luacheckrc
index 60aedc842..64692b27c 100644
--- a/.luacheckrc
+++ b/.luacheckrc
@@ -25,7 +25,15 @@ exclude_files = {
".git/**/*.lua",
}
+files["**/*.lua"] = {
+ globals = {"box", "_TARANTOOL", "help", "tutorial"},
+ ignore = {"212/self", "122"}
+}
files["extra/dist/tarantoolctl.in"] = {ignore = {"212/self", "122", "431"}}
files["src/lua/swim.lua"] = {ignore = {"431"}}
files["src/lua/fio.lua"] = {ignore = {"231"}}
files["src/lua/init.lua"] = {globals = {"dostring"}}
+files["src/box/lua/console.lua"] = {ignore = {"212"}}
+files["src/box/lua/load_cfg.lua"] = {ignore = {"542"}}
+files["src/box/lua/net_box.lua"] = {ignore = {"431", "432", "231", "411", "212"}}
+files["src/box/lua/schema.lua"] = {ignore = {"431", "432", "542", "212"}}
diff --git a/src/box/lua/console.lua b/src/box/lua/console.lua
index 2add9a79d..5fd8b5e4e 100644
--- a/src/box/lua/console.lua
+++ b/src/box/lua/console.lua
@@ -465,7 +465,7 @@ local text_connection_mt = {
-- Make sure it is exactly "\set output" command.
if operators[items[1]] == set_param and
param_handlers[items[2]] == set_output then
- local err, fmt, opts = parse_output(items[3])
+ local err, fmt = parse_output(items[3])
if not err then
self.fmt = fmt
self.eos = output_eos[fmt]
@@ -489,7 +489,7 @@ local text_connection_mt = {
break
end
if fmt == "yaml" then
- local handle, prefix = yaml.decode(rc, {tag_only = true})
+ local handle = yaml.decode(rc, {tag_only = true})
if not handle then
-- Can not fail - tags are encoded with no
-- user participation and are correct always.
@@ -869,7 +869,7 @@ local function listen(uri)
host = u.host
port = u.service or 3313
end
- local s, addr = socket.tcp_server(host, port, { handler = client_handler,
+ local s = socket.tcp_server(host, port, { handler = client_handler,
name = 'console'})
if not s then
error(string.format('failed to create server %s:%s: %s',
diff --git a/src/box/lua/feedback_daemon.lua b/src/box/lua/feedback_daemon.lua
index ad71a3fe2..06bf3f281 100644
--- a/src/box/lua/feedback_daemon.lua
+++ b/src/box/lua/feedback_daemon.lua
@@ -60,7 +60,7 @@ local function guard_loop(self)
self.fiber = fiber.create(feedback_loop, self)
log.verbose("%s restarted", PREFIX)
end
- local st, err = pcall(fiber.sleep, self.interval)
+ local st = pcall(fiber.sleep, self.interval)
if not st then
-- fiber was cancelled
break
diff --git a/src/box/lua/key_def.lua b/src/box/lua/key_def.lua
index 586005709..a1b61441e 100644
--- a/src/box/lua/key_def.lua
+++ b/src/box/lua/key_def.lua
@@ -15,5 +15,5 @@ ffi.metatype(key_def_t, {
__index = function(self, key)
return methods[key]
end,
- __tostring = function(key_def) return "<struct key_def &>" end,
+ __tostring = function() return "<struct key_def &>" end,
})
diff --git a/src/box/lua/load_cfg.lua b/src/box/lua/load_cfg.lua
index b671eb7a2..0926c7380 100644
--- a/src/box/lua/load_cfg.lua
+++ b/src/box/lua/load_cfg.lua
@@ -22,7 +22,7 @@ local function locked(f)
end
-- all available options
-local default_cfg = {
+local default_config = {
listen = nil,
memtx_memory = 256 * 1024 *1024,
strip_core = true,
@@ -87,7 +87,7 @@ local default_cfg = {
-- types of available options
-- could be comma separated lua types or 'any' if any type is allowed
-local template_cfg = {
+local template_config = {
listen = 'string, number',
memtx_memory = 'number',
strip_core = 'boolean',
@@ -170,7 +170,7 @@ local function normalize_uri_list(port_list)
end
-- options that require special handling
-local modify_cfg = {
+local modify_config = {
listen = normalize_uri,
replication = normalize_uri_list,
}
@@ -335,7 +335,7 @@ end
-- value of the old option, value of the new if present. It
-- returns two values - value to replace the old option and to
-- replace the new one.
-local translate_cfg = {
+local translate_config = {
snapshot_count = {'checkpoint_count'},
snapshot_period = {'checkpoint_interval'},
slab_alloc_arena = {'memtx_memory', function(old)
@@ -430,7 +430,6 @@ local function prepare_cfg(cfg, default_cfg, template_cfg, modify_cfg, prefix)
else
local good_types = string.gsub(template_cfg[k], ' ', '');
if (string.find(',' .. good_types .. ',', ',' .. type(v) .. ',') == nil) then
- good_types = string.gsub(good_types, ',', ', ');
box.error(box.error.CFG, readable_name, "should be one of types "..
template_cfg[k])
end
@@ -473,8 +472,8 @@ local function compare_cfg(cfg1, cfg2)
end
local function reload_cfg(oldcfg, cfg)
- cfg = upgrade_cfg(cfg, translate_cfg)
- local newcfg = prepare_cfg(cfg, default_cfg, template_cfg, modify_cfg)
+ cfg = upgrade_cfg(cfg, translate_config)
+ local newcfg = prepare_cfg(cfg, default_config, template_config, modify_config)
local ordered_cfg = {}
-- iterate over original table because prepare_cfg() may store NILs
for key, val in pairs(cfg) do
@@ -527,16 +526,16 @@ for k, v in pairs(box) do
end
setmetatable(box, {
- __index = function(table, index)
+ __index = function()
error(debug.traceback("Please call box.cfg{} first"))
error("Please call box.cfg{} first")
end
})
local function load_cfg(cfg)
- cfg = upgrade_cfg(cfg, translate_cfg)
- cfg = prepare_cfg(cfg, default_cfg, template_cfg, modify_cfg)
- apply_default_cfg(cfg, default_cfg);
+ cfg = upgrade_cfg(cfg, translate_config)
+ cfg = prepare_cfg(cfg, default_config, template_config, modify_config)
+ apply_default_cfg(cfg, default_config);
-- Save new box.cfg
box.cfg = cfg
if not pcall(private.cfg_check) then
@@ -551,7 +550,7 @@ local function load_cfg(cfg)
box_configured = nil
box.cfg = setmetatable(cfg,
{
- __newindex = function(table, index)
+ __newindex = function()
error('Attempt to modify a read-only table')
end,
__call = locked(reload_cfg),
@@ -563,7 +562,7 @@ local function load_cfg(cfg)
if not dynamic_cfg_skip_at_load[key] then
fun()
end
- if not compare_cfg(val, default_cfg[key]) then
+ if not compare_cfg(val, default_config[key]) then
if log_cfg_option[key] ~= nil then
val = log_cfg_option[key](val)
end
diff --git a/src/box/lua/net_box.lua b/src/box/lua/net_box.lua
index 07fa54c38..1e351bb31 100644
--- a/src/box/lua/net_box.lua
+++ b/src/box/lua/net_box.lua
@@ -38,10 +38,6 @@ local IPROTO_STATUS_KEY = 0x00
local IPROTO_ERRNO_MASK = 0x7FFF
local IPROTO_SYNC_KEY = 0x01
local IPROTO_SCHEMA_VERSION_KEY = 0x05
-local IPROTO_METADATA_KEY = 0x32
-local IPROTO_SQL_INFO_KEY = 0x42
-local SQL_INFO_ROW_COUNT_KEY = 0
-local IPROTO_FIELD_NAME_KEY = 0
local IPROTO_DATA_KEY = 0x30
local IPROTO_ERROR_KEY = 0x31
local IPROTO_ERROR_STACK = 0x52
@@ -155,7 +151,7 @@ local function next_id(id) return band(id + 1, 0x7FFFFFFF) end
-- @retval two non-nils A connected socket and a decoded greeting.
--
local function establish_connection(host, port, timeout)
- local timeout = timeout or DEFAULT_CONNECT_TIMEOUT
+ timeout = timeout or DEFAULT_CONNECT_TIMEOUT
local begin = fiber.clock()
local s = socket.tcp_connect(host, port, timeout)
if not s then
@@ -425,7 +421,7 @@ local function create_transport(host, port, user, password, callback,
state = new_state
last_errno = new_errno
last_error = new_error
- callback('state_changed', new_state, new_errno, new_error)
+ callback('state_changed', new_state, new_error)
state_cond:broadcast()
if state == 'error' or state == 'error_reconnect' or
state == 'closed' then
@@ -647,7 +643,7 @@ local function create_transport(host, port, user, password, callback,
local function send_and_recv_iproto(timeout)
local data_len = recv_buf.wpos - recv_buf.rpos
- local required = 0
+ local required
if data_len < 5 then
required = 5
else
@@ -711,7 +707,8 @@ local function create_transport(host, port, user, password, callback,
"please use require('console').connect() instead")
local setup_delimiter = 'require("console").delimiter("$EOF$")\n'
method_encoder.inject(send_buf, nil, setup_delimiter)
- local err, response = send_and_recv_console()
+ local response
+ err, response = send_and_recv_console()
if err then
return error_sm(err, response)
elseif response ~= '---\n...\n' then
@@ -729,7 +726,6 @@ local function create_transport(host, port, user, password, callback,
end
console_sm = function(rid)
- local delim = '\n...\n'
local err, response = send_and_recv_console()
if err then
return error_sm(err, response)
@@ -803,8 +799,7 @@ local function create_transport(host, port, user, password, callback,
local status = hdr[IPROTO_STATUS_KEY]
local response_schema_version = hdr[IPROTO_SCHEMA_VERSION_KEY]
if status ~= 0 then
- local body
- body, body_end = decode(body_rpos)
+ local body = decode(body_rpos)
return error_sm(E_NO_CONNECTION, body[IPROTO_ERROR_KEY])
end
if schema_version == nil then
@@ -813,8 +808,7 @@ local function create_transport(host, port, user, password, callback,
-- schema changed while fetching schema; restart loader
return iproto_schema_sm()
end
- local body
- body, body_end = decode(body_rpos)
+ local body = decode(body_rpos)
response[id] = body[IPROTO_DATA_KEY]
end
until response[select1_id] and response[select2_id] and
@@ -830,14 +824,11 @@ local function create_transport(host, port, user, password, callback,
local err, hdr, body_rpos, body_end = send_and_recv_iproto()
if err then return error_sm(err, hdr) end
dispatch_response_iproto(hdr, body_rpos, body_end)
- local status = hdr[IPROTO_STATUS_KEY]
local response_schema_version = hdr[IPROTO_SCHEMA_VERSION_KEY]
if response_schema_version > 0 and
response_schema_version ~= schema_version then
-- schema_version has been changed - start to load a new version.
-- Sic: self.schema_version will be updated only after reload.
- local body
- body, body_end = decode(body_rpos)
set_state('fetch_schema')
return iproto_schema_sm(schema_version)
end
@@ -954,7 +945,7 @@ local function new_sm(host, port, opts, connection, greeting)
local remote = {host = host, port = port, opts = opts, state = 'initial'}
local function callback(what, ...)
if what == 'state_changed' then
- local state, errno, err = ...
+ local state, err = ...
local was_connected = remote._is_connected
if state == 'active' then
if not was_connected then
@@ -1601,7 +1592,6 @@ this_module.self = {
rollback()
return box.error() -- re-throw
end
- local result
if obj ~= nil then
return handle_eval_result(pcall(proc, obj, unpack(args)))
else
diff --git a/src/box/lua/schema.lua b/src/box/lua/schema.lua
index 85fcca562..de47b807e 100644
--- a/src/box/lua/schema.lua
+++ b/src/box/lua/schema.lua
@@ -2,7 +2,6 @@
--
local ffi = require('ffi')
local msgpack = require('msgpack')
-local msgpackffi = require('msgpackffi')
local fun = require('fun')
local log = require('log')
local fio = require('fio')
@@ -210,7 +209,7 @@ local function revoke_object_privs(object_type, object_id)
local _vpriv = box.space[box.schema.VPRIV_ID]
local _priv = box.space[box.schema.PRIV_ID]
local privs = _vpriv.index.object:select{object_type, object_id}
- for k, tuple in pairs(privs) do
+ for _, tuple in pairs(privs) do
local uid = tuple.grantee
_priv:delete{uid, object_type, object_id}
end
@@ -274,7 +273,6 @@ local function check_param_table(table, template)
local haystack = ',' .. good_types .. ','
local needle = ',' .. param_type(v) .. ','
if (string.find(haystack, needle) == nil) then
- good_types = string.gsub(good_types, ',', ', ')
box.error(box.error.ILLEGAL_PARAMS,
"options parameter '" .. k ..
"' should be one of types: " .. template[k])
@@ -582,9 +580,9 @@ end
--
local function format_field_resolve(format, path, what)
assert(type(path) == 'number' or type(path) == 'string')
- local idx = nil
+ local idx
local relative_path = nil
- local field_name = nil
+ local field_name
-- Path doesn't require resolve.
if type(path) == 'number' then
idx = path
@@ -844,7 +842,7 @@ local function space_sequence_alter_prepare(format, parts, options,
if id == nil then
box.error(box.error.NO_SUCH_SEQUENCE, new_sequence.id)
end
- local tuple = _space_sequence.index.sequence:select(id)[1]
+ tuple = _space_sequence.index.sequence:select(id)[1]
if tuple ~= nil and tuple.is_generated then
box.error(box.error.ALTER_SPACE, space_name,
"can not attach generated sequence")
@@ -1144,7 +1142,7 @@ box.schema.index.alter = function(space_id, index_id, options)
local can_update_field = {id = true, name = true, type = true }
local can_update = true
local cant_update_fields = ''
- for k,v in pairs(options) do
+ for k, _ in pairs(options) do
if not can_update_field[k] then
can_update = false
cant_update_fields = cant_update_fields .. ' ' .. k
@@ -1188,7 +1186,7 @@ box.schema.index.alter = function(space_id, index_id, options)
if options.type == nil then
options.type = tuple.type
end
- for k, t in pairs(index_options) do
+ for k, _ in pairs(index_options) do
if options[k] ~= nil then
index_opts[k] = options[k]
end
@@ -1281,7 +1279,6 @@ end
-- global struct port instance to use by select()/get()
local port_tuple = ffi.new('struct port_tuple')
-local port_tuple_entry_t = ffi.typeof('struct port_tuple_entry')
-- Helper function to check space:method() usage
local function check_space_arg(space, method)
@@ -1499,7 +1496,8 @@ end
base_index_mt.get_ffi = function(index, key)
check_index_arg(index, 'get')
- local key, key_end = tuple_encode(key)
+ local key_end
+ key, key_end = tuple_encode(key)
if builtin.box_index_get(index.space_id, index.id,
key, key_end, ptuple) ~= 0 then
return box.error() -- error
@@ -1532,7 +1530,8 @@ end
base_index_mt.select_ffi = function(index, key, opts)
check_index_arg(index, 'select')
- local key, key_end = tuple_encode(key)
+ local key_end
+ key, key_end = tuple_encode(key)
local iterator, offset, limit = check_select_opts(opts, key + 1 >= key_end)
local port = ffi.cast('struct port *', port_tuple)
@@ -1554,7 +1553,7 @@ end
base_index_mt.select_luac = function(index, key, opts)
check_index_arg(index, 'select')
- local key = keify(key)
+ key = keify(key)
local iterator, offset, limit = check_select_opts(opts, #key == 0)
return internal.select(index.space_id, index.id, iterator,
offset, limit, key)
@@ -2489,20 +2488,20 @@ local function drop(uid, opts)
-- recursive delete of user data
local _vpriv = box.space[box.schema.VPRIV_ID]
local spaces = box.space[box.schema.VSPACE_ID].index.owner:select{uid}
- for k, tuple in pairs(spaces) do
+ for _, tuple in pairs(spaces) do
box.space[tuple.id]:drop()
end
local funcs = box.space[box.schema.VFUNC_ID].index.owner:select{uid}
- for k, tuple in pairs(funcs) do
+ for _, tuple in pairs(funcs) do
box.schema.func.drop(tuple.id)
end
-- if this is a role, revoke this role from whoever it was granted to
local grants = _vpriv.index.object:select{'role', uid}
- for k, tuple in pairs(grants) do
+ for _, tuple in pairs(grants) do
revoke(tuple.grantee, tuple.grantee, uid)
end
local sequences = box.space[box.schema.VSEQUENCE_ID].index.owner:select{uid}
- for k, tuple in pairs(sequences) do
+ for _, tuple in pairs(sequences) do
box.schema.sequence.drop(tuple.id)
end
-- xxx: hack, we have to revoke session and usage privileges
@@ -2514,7 +2513,7 @@ local function drop(uid, opts)
end
local privs = _vpriv.index.primary:select{uid}
- for k, tuple in pairs(privs) do
+ for _, tuple in pairs(privs) do
-- we need an additional box.session.su() here, because of
-- unnecessary check for privilege PRIV_REVOKE in priv_def_check()
box.session.su("admin", revoke, uid, uid, tuple.privilege,
@@ -2680,7 +2679,7 @@ box.once = function(key, func, ...)
box.error(box.error.ILLEGAL_PARAMS, "Usage: box.once(key, func, ...)")
end
- local key = "once"..key
+ key = "once"..key
if box.space._schema:get{key} ~= nil then
return
end
diff --git a/src/box/lua/tuple.lua b/src/box/lua/tuple.lua
index f97aa1579..1b958425f 100644
--- a/src/box/lua/tuple.lua
+++ b/src/box/lua/tuple.lua
@@ -1,7 +1,6 @@
-- tuple.lua (internal file)
local ffi = require('ffi')
-local yaml = require('yaml')
local msgpackffi = require('msgpackffi')
local fun = require('fun')
local buffer = require('buffer')
@@ -81,7 +80,6 @@ local tuple_encode = function(obj)
encode_r(tmpbuf, obj, 1)
elseif type(obj) == "table" then
encode_array(tmpbuf, #obj)
- local i
for i = 1, #obj, 1 do
encode_r(tmpbuf, obj[i], 1)
end
@@ -232,7 +230,7 @@ local function tuple_update(tuple, expr)
error("Usage: tuple:update({ { op, field, arg}+ })")
end
local pexpr, pexpr_end = tuple_encode(expr)
- local tuple = builtin.box_tuple_update(tuple, pexpr, pexpr_end)
+ tuple = builtin.box_tuple_update(tuple, pexpr, pexpr_end)
if tuple == nil then
return box.error()
end
@@ -245,7 +243,7 @@ local function tuple_upsert(tuple, expr)
error("Usage: tuple:upsert({ { op, field, arg}+ })")
end
local pexpr, pexpr_end = tuple_encode(expr)
- local tuple = builtin.box_tuple_upsert(tuple, pexpr, pexpr_end)
+ tuple = builtin.box_tuple_upsert(tuple, pexpr, pexpr_end)
if tuple == nil then
return box.error()
end
@@ -339,7 +337,7 @@ ffi.metatype(tuple_t, {
ffi.metatype(tuple_iterator_t, {
__call = tuple_iterator_next;
- __tostring = function(it) return "<tuple iterator>" end;
+ __tostring = function() return "<tuple iterator>" end;
})
-- Free methods, which are not needed anymore.
diff --git a/src/box/lua/upgrade.lua b/src/box/lua/upgrade.lua
index 075cc236e..208b53f15 100644
--- a/src/box/lua/upgrade.lua
+++ b/src/box/lua/upgrade.lua
@@ -52,10 +52,9 @@ end
local function truncate(space)
local pk = space.index[0]
while pk:len() > 0 do
- local state, t
- for state, t in pk:pairs() do
+ for _, t in pk:pairs() do
local key = {}
- for _k2, parts in ipairs(pk.parts) do
+ for _, parts in ipairs(pk.parts) do
table.insert(key, t[parts.fieldno])
end
space:delete(key)
@@ -173,7 +172,7 @@ local function initial_1_7_5()
format[5] = {name='field_count', type='unsigned'}
format[6] = {name='flags', type='map'}
format[7] = {name='format', type='array'}
- local def = _space:insert{_space.id, ADMIN, '_space', 'memtx', 0, MAP, format}
+ _space:insert{_space.id, ADMIN, '_space', 'memtx', 0, MAP, format}
-- space name is unique
log.info("create index primary on _space")
_index:insert{_space.id, 0, 'primary', 'tree', { unique = true }, {{0, 'unsigned'}}}
@@ -194,7 +193,7 @@ local function initial_1_7_5()
format[4] = {name = 'type', type = 'string'}
format[5] = {name = 'opts', type = 'map'}
format[6] = {name = 'parts', type = 'array'}
- def = _space:insert{_index.id, ADMIN, '_index', 'memtx', 0, MAP, format}
+ _space:insert{_index.id, ADMIN, '_index', 'memtx', 0, MAP, format}
-- index name is unique within a space
log.info("create index primary on _index")
_index:insert{_index.id, 0, 'primary', 'tree', {unique = true}, {{0, 'unsigned'}, {1, 'unsigned'}}}
@@ -211,7 +210,7 @@ local function initial_1_7_5()
format[2] = {name='owner', type='unsigned'}
format[3] = {name='name', type='string'}
format[4] = {name='setuid', type='unsigned'}
- def = _space:insert{_func.id, ADMIN, '_func', 'memtx', 0, MAP, format}
+ _space:insert{_func.id, ADMIN, '_func', 'memtx', 0, MAP, format}
-- function name and id are unique
log.info("create index _func:primary")
_index:insert{_func.id, 0, 'primary', 'tree', {unique = true}, {{0, 'unsigned'}}}
@@ -231,7 +230,7 @@ local function initial_1_7_5()
format[3] = {name='name', type='string'}
format[4] = {name='type', type='string'}
format[5] = {name='auth', type='map'}
- def = _space:insert{_user.id, ADMIN, '_user', 'memtx', 0, MAP, format}
+ _space:insert{_user.id, ADMIN, '_user', 'memtx', 0, MAP, format}
-- user name and id are unique
log.info("create index _func:primary")
_index:insert{_user.id, 0, 'primary', 'tree', {unique = true}, {{0, 'unsigned'}}}
@@ -251,7 +250,7 @@ local function initial_1_7_5()
format[3] = {name='object_type', type='string'}
format[4] = {name='object_id', type='unsigned'}
format[5] = {name='privilege', type='unsigned'}
- def = _space:insert{_priv.id, ADMIN, '_priv', 'memtx', 0, MAP, format}
+ _space:insert{_priv.id, ADMIN, '_priv', 'memtx', 0, MAP, format}
-- user id, object type and object id are unique
log.info("create index primary on _priv")
_index:insert{_priv.id, 0, 'primary', 'tree', {unique = true}, {{1, 'unsigned'}, {2, 'string'}, {3, 'unsigned'}}}
@@ -580,7 +579,7 @@ local function upgrade_to_2_1_0()
-- Now, abscent field means NULL, so we can safely set second
-- field in format, marking it nullable.
log.info("Add nullable value field to space _schema")
- local format = {}
+ format = {}
format[1] = {type='string', name='key'}
format[2] = {type='any', name='value', is_nullable=true}
box.space._schema:format(format)
@@ -734,7 +733,7 @@ local function upgrade_collation_to_2_1_3()
local id = 4
for _, collation in ipairs(coll_lst) do
- for i, strength in ipairs(coll_strengths) do
+ for _, strength in ipairs(coll_strengths) do
local coll_name = 'unicode_' .. collation.name .. "_" .. strength.s
log.info("creating collation %s", coll_name)
box.space._collation:replace{id, coll_name, ADMIN, "ICU", collation.loc_str, strength.opt }
--
2.23.0
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