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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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11
lua/cp/commands/init.lua
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@ -83,8 +83,6 @@ local function parse_command(args)
else
return { type = 'action', action = 'interact' }
end
elseif first == 'login' or first == 'logout' then
return { type = 'action', action = first, platform = args[2] }
elseif first == 'stress' then
return {
type = 'action',
@ -245,6 +243,9 @@ local function parse_command(args)
message = 'Too few arguments - specify a contest.',
}
elseif #args == 2 then
if args[2] == 'login' or args[2] == 'logout' then
return { type = 'action', action = args[2], platform = first }
end
return {
type = 'contest_setup',
platform = first,
@ -287,7 +288,7 @@ function M.handle_command(opts)
local cmd = parse_command(opts.fargs)
if cmd.type == 'error' then
logger.log(cmd.message, vim.log.levels.ERROR)
logger.log(cmd.message, { level = vim.log.levels.ERROR })
return
end
@ -336,7 +337,7 @@ function M.handle_command(opts)
local problem_id = cmd.problem_id
if not (platform and contest_id) then
logger.log('No contest is currently active.', vim.log.levels.ERROR)
logger.log('No contest is currently active.', { level = vim.log.levels.ERROR })
return
end
@ -351,7 +352,7 @@ function M.handle_command(opts)
contest_id,
problem_id
),
vim.log.levels.ERROR
{ level = vim.log.levels.ERROR }
)
return
end