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fix(submit): use file path over stdin; fix CF CodeMirror textarea (#305)

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## Problem

After the initial submit hardening, two issues remained: source code was
read in Lua and piped as stdin to the scraper (unnecessary roundtrip
since
the file exists on disk), and CF's `page.fill()` timed out on the hidden
`textarea[name="source"]` because CodeMirror owns the editor state.

## Solution

Pass the source file path as a CLI arg instead — AtCoder calls
`page.set_input_files(file_path)` directly, CF reads it with
`Path(file_path).read_text()`. Fix CF source injection via
`page.evaluate()`
into the CodeMirror instance. Extract `BROWSER_SUBMIT_NAV_TIMEOUT` as a
per-platform `defaultdict` (CF defaults to 2× nav timeout). Save the
buffer
with `vim.cmd.update()` before submitting.
This commit is contained in:
Barrett Ruth 2026-03-05 14:34:14 -05:00 • committed by GitHub
parent 127089c57f
commit a202725cc5
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GPG key ID: B5690EEEBB952194
28 changed files with 269 additions and 168 deletions
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24
lua/cp/race.lua
View file

@ -22,15 +22,15 @@ end
function M.start(platform, contest_id, language)
if not platform or not vim.tbl_contains(constants.PLATFORMS, platform) then
logger.log('Invalid platform', vim.log.levels.ERROR)
logger.log('Invalid platform', { level = vim.log.levels.ERROR })
return
end
if not contest_id or contest_id == '' then
logger.log('Contest ID required', vim.log.levels.ERROR)
logger.log('Contest ID required', { level = vim.log.levels.ERROR })
return
end
if race_state.timer then
logger.log('Race already active. Use :CP race stop first.', vim.log.levels.WARN)
logger.log('Race already active. Use :CP race stop first.', { level = vim.log.levels.WARN })
return
end
@ -38,7 +38,7 @@ function M.start(platform, contest_id, language)
local start_time = cache.get_contest_start_time(platform, contest_id)
if not start_time then
logger.log('Fetching contest list...', vim.log.levels.INFO, true)
logger.log('Fetching contest list...', { level = vim.log.levels.INFO, override = true })
local contests = scraper.scrape_contest_list(platform)
if contests and #contests > 0 then
cache.set_contest_summaries(platform, contests)
@ -52,14 +52,17 @@ function M.start(platform, contest_id, language)
constants.PLATFORM_DISPLAY_NAMES[platform] or platform,
contest_id
),
vim.log.levels.ERROR
{ level = vim.log.levels.ERROR }
)
return
end
local remaining = start_time - os.time()
if remaining <= 0 then
logger.log('Contest has already started, setting up...', vim.log.levels.INFO, true)
logger.log(
'Contest has already started, setting up...',
{ level = vim.log.levels.INFO, override = true }
)
require('cp.setup').setup_contest(platform, contest_id, nil, language)
return
end
@ -75,8 +78,7 @@ function M.start(platform, contest_id, language)
contest_id,
format_countdown(remaining)
),
vim.log.levels.INFO,
true
{ level = vim.log.levels.INFO, override = true }
)
local timer = vim.uv.new_timer()
@ -97,7 +99,7 @@ function M.start(platform, contest_id, language)
race_state.contest_id = nil
race_state.language = nil
race_state.start_time = nil
logger.log('Contest started!', vim.log.levels.INFO, true)
logger.log('Contest started!', { level = vim.log.levels.INFO, override = true })
require('cp.setup').setup_contest(p, c, nil, l)
else
vim.notify(
@ -116,7 +118,7 @@ end
function M.stop()
local timer = race_state.timer
if not timer then
logger.log('No active race', vim.log.levels.WARN)
logger.log('No active race', { level = vim.log.levels.WARN })
return
end
timer:stop()
@ -126,7 +128,7 @@ function M.stop()
race_state.contest_id = nil
race_state.language = nil
race_state.start_time = nil
logger.log('Race cancelled', vim.log.levels.INFO, true)
logger.log('Race cancelled', { level = vim.log.levels.INFO, override = true })
end
function M.status()