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An Emacs major-mode for chess PGN files, powered by Python

pygn-mode 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# Overview

An Emacs major-mode for chess PGN files, powered by Python.

* [Quickstart](#quickstart)
 * [pygn-mode](#pygn-mode)
 * [Interactive Commands](#interactive-commands)
 * [Minor Mode](#minor-mode)
 * [Prior Art](#prior-art)
 * [License](#license)
 * [Compatibility and Requirements](#compatibility-and-requirements)

## Quickstart

```elisp
;; maybe
;; (eval-after-load "pygn-mode"
;;   (define-key pygn-mode-map (kbd "C-c C-n") 'pygn-mode-next-game)
;;   (define-key pygn-mode-map (kbd "C-c C-p") 'pygn-mode-previous-game)
;;   (define-key pygn-mode-map (kbd "M-f")     'pygn-mode-next-move)
;;   (define-key pygn-mode-map (kbd "M-b")     'pygn-mode-previous-move)
;;   (define-key pygn-mode-map (kbd "C-c SPC") 'pygn-mode-display-gui-board-at-pos)
;;   (define-key pygn-mode-map (kbd "C-h $")   'pygn-mode-describe-annotation-at-pos))

;; or maybe
;; (eval-after-load "pygn-mode"
;;   (define-key pygn-mode-map (kbd "C-c C-n") 'pygn-mode-next-game)
;;   (define-key pygn-mode-map (kbd "C-c C-p") 'pygn-mode-previous-game)
;;   (define-key pygn-mode-map (kbd "M-f")     'pygn-mode-next-move-follow-board)
;;   (define-key pygn-mode-map (kbd "M-b")     'pygn-mode-previous-move-follow-board)
;;   (define-key pygn-mode-map (kbd "C-c SPC") 'pygn-mode-display-gui-board-at-pos)
;;   (define-key pygn-mode-map (kbd "C-h $")   'pygn-mode-describe-annotation-at-pos))

(require 'pygn-mode)
```

<kbd>M-x</kbd> `pygn-mode-run-diagnostic`

## pygn-mode

Provides

* syntax highlighting via [tree-sitter](https://github.com/emacs-tree-sitter), including highlighting of bracketed
   `{comments}` and parenthesized `(variations)`.
 * customizable faces
 * navigation and selection commands
 * computation of FEN at point (using the [chess](https://pypi.org/project/chess/) library)
 * computation and display of board at point (using [chess](https://pypi.org/project/chess/))
 * evaluation of board at point (requires [uci-mode](https://github.com/dwcoates/uci-mode))

## Interactive Commands

No keys are bound by default.  Consider binding keys in an `eval-after-load`
form.

Default mouse bindings are provided:

* <kbd>mouse-2</kbd> — `pygn-mode-mouse-display-variation-board`

In English, clicking the middle mouse button on a move in Emacs displays a
board image computed after that move was made.

In addition, the mouse wheel (buttons 4/5) is bound to `pygn-mode-next-move`
and `pygn-mode-previous-move` when hovering over the `PyGN` lighter in the
modeline.

### Game Navigation Commands

A PGN file may contain multiple concatenated games.  Navigation commands
depend on the convention of each game starting with an `[Event "?"]` tagpair.
(The value is ignored).

Next-game and previous-game commands accept a positive numeric prefix argument.

* `pygn-mode-next-game`
 * `pygn-mode-previous-game`
 * `pygn-mode-ivy-jump-to-game-by-any-header`
 * `pygn-mode-ivy-jump-to-game-by-fen`

### Move Navigation Commands

Move navigation commands navigate only among the _actual_ played moves of the
chess game.  If the point is within a bracketed comment or a parenthesized
variation, the point will leave the comment or variation in search of a player
move.  This will happen even if the point is looking at a notional move
within the comment or variation.  Similarly, the point will advance over
intervening comments and variations when advancing moves.

Move navigation commands treat move numbers as whitespace.  If the point is
on the move number for a move, it is considered to be on that move.  Move
numbers will be skipped over whenever possible by move navigation.

* `pygn-mode-next-move` — suggested binding <kbd>M-f</kbd>
 * `pygn-mode-previous-move` — suggested binding <kbd>M-b</kbd>

### Selection Commands

Like game navigation commands, game selection commands depend on the convention
of each game starting with an `[Event "?"]` tagpair.

* `pygn-mode-select-game`

### FEN Commands

* `pygn-mode-echo-fen-at-pos` — echo FEN, optionally copying to clipboard
 * `pygn-mode-display-fen-at-pos` — display FEN in another buffer
 * `pygn-mode-display-variation-fen-at-pos` — display FEN, respecting variations

### Annotation Symbol Commands

* `pygn-mode-describe-annotation-at-pos` — echo description of annotation symbol, optionally copying to clipboard
 * `pygn-mode-ivy-insert-annotation` — insert an annotation interactively

### Game Commands

* `pygn-mode-insert-game` — insert a new, empty game

### Board Commands

* `pygn-mode-display-board-at-pos` — display board image in another buffer (format automatic)
 * `pygn-mode-display-gui-board-at-pos` — display graphical board image in another buffer
 * `pygn-mode-display-text-board-at-pos` — display text board image in another buffer
 * `pygn-mode-display-variation-board-at-pos` — display board image, respecting variations
 * `pygn-mode-previous-move-follow-board` — advance to next move and display board image
 * `pygn-mode-next-move-follow-board` — move point to previous move and display board image

### Line Commands

* `pygn-mode-display-line-at-pos` — display SAN line in another buffer
 * `pygn-mode-display-variation-line-at-pos` — display SAN line, respecting variations

### Engine Commands

* `pygn-mode-engine-go-depth` — display depth-limited engine evaluation in another buffer
 * `pygn-mode-engine-go-time` — display time-limited engine evaluation in another buffer
 * `pygn-mode-engine-go-searchmoves` — display engine evaluation on the current move in another buffer

### Window-management Commands

* `pygn-mode-triple-window-layout-bottom` — arrange windows for engine evaluation
 * `pygn-mode-triple-window-layout-right` — arrange windows for engine evaluation

### Engine Commands

* `pygn-mode-display-score-at-pos` — display engine evaluation corresponding to the position of the point

## Minor Mode

Enabling `pygn-mode-follow-minor-mode` causes a board rendering to be displayed
and updated after any changes to the cursor position.

## Prior Art

emacs-chess  
<https://github.com/jwiegley/emacs-chess>  
[Comparison to emacs-chess](doc/comparison_to_emacs_chess.md)

## License

* pygn-mode: [BSD 2-Clause](LICENSE)
* bundled [chess](https://pypi.org/project/chess/) library: [GPL-3+](lib/python/site-packages/chess-1.9.4.dist-info/LICENSE.txt)

## Compatibility and Requirements

GNU Emacs 26.1+, compiled with dynamic module support

[tree-sitter.el](https://github.com/emacs-tree-sitter/elisp-tree-sitter) and [tree-sitter-langs.el](https://github.com/emacs-tree-sitter/tree-sitter-langs)

Python 3.8+

Needed for board images and FENs: [chess](https://pypi.org/project/chess/) (bundled version 1.11.1)

Needed for engine evaluations: [uci-mode](https://github.com/dwcoates/uci-mode)

Needed for jump commands: [ivy-mode.el](https://github.com/abo-abo/swiper)

Uses if present: [nav-flash.el](http://github.com/rolandwalker/nav-flash)

### Requirements Diagnostic

The diagnostic command will check dependencies: Python, `chess` library,
and optional Emacs libraries.

Interactively: <kbd>M-x</kbd> `pygn-mode-run-diagnostic`

Programmatically:

``` elisp
(pygn-mode-run-diagnostic) ; truthy iff diagnostic completed successfully.
```

### Upgrading the [chess](https://pypi.org/project/chess/) library

To use a non-bundled version of the Python [chess](https://pypi.org/project/chess/) library:

```bash
$ pip install chess
```

```elisp
;; can also use customize
;; can also use set a system path
(setq pygn-mode-pythonpath nil)
```

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