codeforces.vim

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Plugin for vim to codeforces

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# Vim plugin for CodeForces

## What allows to do

* Watch standings of contests ([Unofficial](http://i.imgur.com/yI5bhBs.png), [Friends](http://i.imgur.com/2o730zV.png), [Official](http://i.imgur.com/avSplri.png), [Room](http://i.imgur.com/nRH64jB.png))
* Submit source code (thanks to [CountZero](http://codeforces.ru/blog/entry/14786]))
* Watch result of last user's submissions ([Results](http://i.imgur.com/hDWFJXo.png))
* Load text of problems ([Russian](http://i.imgur.com/Q5M9fsd.png) | [English](http://i.imgur.com/NAmMBEj.png))
* Download last submission of user to problem ([qwerty787788's solution to F](http://i.imgur.com/vqvZV7Y.png))

## UPD (18.05.2016)

I have finally returned submit function to my plugin! You should _run_ server (`python2 ~/.vim/bundle/codeforces.vim/plugin/server.py`) in plugin folder before contest. It opens chrome(now hardcoded). To start contest and login execute `:CodeForcesInitServer`, but before it add new variable `g:CodeForcesPassword` and do not forget about username in your `.vimrc`. You can use this window to watch CF, but I'd recommend you to move this window on another desktop, it will be managed by server. After successful login, you can submit with `S-F5` as it was done before.

If you find a way to work with `PhantomJS`, pull request it! :)

New dependencies: python2-flask, python2-selenium

## UPD (02.10.2015)

You can use 'Cyan' in coloring of standings after revolution!

P.S.: Please, merge CountZero's submitter with my plugin, I wish my plugin should submit :)

P.P.S.: does anybody use this plugin?)

## UPD (28.05.2015)

After fixing bug of csrf-token contest list(with count of solved problems) and getting friends doesn't work. I wish I can fix it, but help me if you can. Also standings-with-friends can fail if you have many friends(cauze of get-request length restriction). Before contest I advice you to refresh _all_ data, related to _you_, some values can expire(except for user-agent, ofc) suddenly. Read about these variables below
I didn't test it in trains, but it shouldn't work in not public contests at all except for submit, but after update I'm not sure

## What I'm planning to do

* Full coloring of standings (I tested it on 10k users, it runs veryveryvery slow. So, I leave it as it is or, please, say how to do it in other way)
* <s>Room standings</s> Done
* Parsing samples and automatic testing like (C|J)Helper does. In progress...
* Deleting unused code, local includes (C++) (You can watch [here](https://github.com/Igorjan94/CF/blob/master/staff/importer.py), script, which 'links' your code in specific format)
* <s>Change `tabnew` to user-defined command</s> Done.
* ...

## Using and configuring

### Installation

* Use your favourite plugin manager, for example `Bundle 'Igorjan94/codeforces.vim'`, then `:PluginInstall`
* Just clone rep to your `.vim/` directory

All variables and functions have name with prefix 'CodeForces'

## Dependencies

* Python
  * requests   (all network)
  * HTMLparser (loadProblem, loadSubmission, loadFriends)
  * flask, selenium (submit)
* [EasyAlign](https://github.com/junegunn/vim-easy-align) for beautiful standings

### Variables

set count of users on one page to 40(default 30):

- `let g:CodeForcesCount = 40`

set current round to 518(default doesn't exists):

- `let g:CodeForcesContestId = 518`

set interval results are updating after submit to 1 second(default 2):

- `let g:CodeForcesUpdateInterval = 1`

set count of displayed submissions to 10(default 5):

- `let g:CodeForcesCountOfSubmits = 10`

show unofficial(default false):

- `let g:CodeForcesShowUnofficial = 1`

show only friends(default false):

- `let g:CodeForcesFriends = 1`

set command to open standings/problem/submission (default 'tabnew'):

- `let g:CodeForcesCommandStandings = 'badd'`
- `let g:CodeForcesCommandLoadTask  = 'badd'`
- `let g:CodeForcesCommandSubmission= 'badd'`

set your handle:

- `let g:CodeForcesUsername = 'Igorjan94'`

set your password:

- `let g:CodeForcesPassword = 'yourSecretPasswordHere'`

there is (now) two formats of parsing contest:

* `/index` (default) format: directory/{index}/{{index}.{ext}, {index}.problem, input{index}.in, output{index}.out}, where {index} = A, B ...
* smthng else format: all files in one directory

set contest format to second one:

- `let g:CodeForcesContestFormat = 'smthngelse'`

set filename to sample-input (default 'input'):

- `let g:CodeForcesInput = 'sampleInput'`

set filename to sample-output (default 'output'):

- `let g:CodeForcesOutput = 'sampleOutput'`

set filename to user-output (default 'my_output'):

- `let g:CodeForcesUserOutput = 'myCorrectOutput'`

template file to copy in directory with samples/problem statement:

- `let g:CodeForcesTemplate = '/some/long/path/to/template.cpp'`

change language to russian:

- `let g:CodeForcesLang = 'ru'`

### Functions

Next standings page:

- ` :CodeForcesNextStandings `

Prev standings page:

- ` :CodeForcesPrevStandings `

Get 10 standings page:

- ` :CodeForcesPageStandings 10`

Get standings 518 (if contestId is not set, then `g:CodeForcesContestId`):

- ` :CodeForcesStandings 518 `

Get friends: !!!DOESN'T WORK NOW!!!

- ` :CodeForcesLoadFriends `

Show friends if not shown and vice versa:

- ` :CodeForcesFriendsSet `

Show unofficial if not shown and vice versa:

- ` :CodeForcesUnofficial `

Set `g:CodeForcesContestId` to contestId:

- ` :CodeForcesSetRound 518`

Just beautiful standings:

- ` :CodeForcesColor `

Load last submission under cursor(like ctrl-click in browser):

- ` :CodeForcesSubmission `

Get last submissions:

- ` :CodeForcesUserSubmissions `

Submit opened file as problem B1 to 513 round (requires password and server):

- ` :CodeForcesSubmitIndexed 513 B1 `

Submit opened file to `g:CodeForcesContestId` round (requires password and server):

- ` :CodeForcesSubmit `

Load problem B from `g:CodeForcesContestId`:

- ` :CodeForcesLoadTask B `

Load problem B from `g:CodeForcesContestId` with parsing tests:

- ` :CodeForcesLoadTaskWithTests B `

Load problem B from contest 510 with/without tests:

- ` :CodeForcesLoadTaskContestId 510 B True/False `

Parse contest:

- ` :CodeForcesParseContest `

Test program on samples:

- ` :CodeForcesTest `

Get list of contests: (count of solved problems doesn't work!!!)

- ` :CodeForcesContestList `
- ` :CodeForcesContestListNext `
- ` :CodeForcesContestListPrev `

### Bindings

Of course, bind it like you want, I just suggest this:

- ` nmap <leader>cfr <ESC>:CodeForcesSet_R_ound `
- ` nmap <leader>cfS <ESC>:CodeForces_S_ubmission<CR>`
- ` nmap <leader>cfp <ESC>:CodeForces_P_revStandings<CR>`
- ` nmap <leader>cfn <ESC>:CodeForces_N_extStandings<CR>`
- ` nmap <leader>cfs <ESC>:CodeForces_S_tandings<CR>`
- ` nmap <leader>cff <ESC>:CodeForces_F_riendsSet<CR>`
- ` nmap <leader>cfu <ESC>:CodeForces_U_nofficial<CR>`
- ` nmap <leader>cfl <ESC>:CodeForces_L_oadTask `
- ` nmap <leader>cfP <ESC>:CodeForces_P_ageStandings `
- ` nmap <leader>cfR <ESC>:CodeForces_R_oomStandings<CR>`
- ` nmap <leader>cfA <ESC>:CodeForcesP_a_rseContest<CR>`
- ` nmap <leader>cft <ESC>:CodeForces_T_est<CR>`
- ` nmap <leader>cfcl <ESC>:CodeForces_C_ontest_L_ist<CR>`
- ` nmap <leader>cfcn <ESC>:CodeForces_C_ontestList_N_ext<CR>`
- ` nmap <leader>cfcp <ESC>:CodeForces_C_ontestList_P_rev<CR>`
- ` nmap <leader>cfF <ESC>:CodeForcesLoad_F_riends<CR>`

I think `<S-F5>` is very difficult to press occasionally, so:

- ` noremap <S-F5>  <ESC>:w<CR><ESC>:CodeForcesSubmit<CR>`
- ` noremap <S-F6>  <ESC>:w<CR><ESC>:CodeForcesUserSubmissions<CR>`

### Other

Folder CF:  
`codeforces.standings` -- file to store standings

`codeforces.users` -- file with colors. In next versions will be command-generated, now by hand. Let's color users how you want!
Format: `handle Color`

`codeforces.friends` -- file with friends. Simple list
`Color = { Red, Yellow, Purple, Blue, Green, Gray, Unrated }`

## Known <s>bugs</s> features

* It doesn't check any information entered by user
* Submission for teams doesn't work
* THEY MUST BE, I just haven't found'em

## Authors

Igor Kolobov, aka Igorjan94

cf:      Igorjan94  
mail:    Igorjan94@{mail.ru, gmail.com}  
github:  Igorjan94

Trung Nguyen

cf:      I_love_Hoang_Yen  
github:  ngthanhtrung23

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