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python-cheatsheet
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Coroutine example highlights

pull/187/head
Jure Šorn 7 months ago
parent
dccfea4e75
commit
d1f80ab67e
2 changed files with 15 additions and 23 deletions
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  1. 6
      index.html
  2. 32
      parse.js

6
index.html
View File

@ -54,7 +54,7 @@
<body>
<header>
<aside>April 12, 2024</aside>
<aside>April 13, 2024</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</header>
@ -1959,7 +1959,7 @@ W, H = <span class="hljs-number">15</span>, <span class="hljs-number">7</span>
offset = P(curses.COLS//<span class="hljs-number">2</span> - W//<span class="hljs-number">2</span>, curses.LINES//<span class="hljs-number">2</span> - H//<span class="hljs-number">2</span>)
<span class="hljs-keyword">while</span> <span class="hljs-keyword">True</span>:
screen.erase()
curses.textpad.rectangle(screen, offset.y<span class="hljs-number">-1</span>, offset.x<span class="hljs-number">-1</span>, offset.y+H, offset.x+W)
curses.textpad.rectangle(screen, offset.y-<span class="hljs-number">1</span>, offset.x-<span class="hljs-number">1</span>, offset.y+H, offset.x+W)
<span class="hljs-keyword">for</span> id_, p <span class="hljs-keyword">in</span> state.items():
screen.addstr(offset.y + (p.y - state[<span class="hljs-string">'*'</span>].y + H//<span class="hljs-number">2</span>) % H,
offset.x + (p.x - state[<span class="hljs-string">'*'</span>].x + W//<span class="hljs-number">2</span>) % W, str(id_))
@ -2935,7 +2935,7 @@ $ deactivate <span class="hljs-comment"># Deactivates the activ
<footer>
<aside>April 12, 2024</aside>
<aside>April 13, 2024</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</footer>

32
parse.js
View File

@ -124,14 +124,14 @@ const MATCH_EXAMPLE =
const COROUTINES =
'<span class="hljs-keyword">import</span> asyncio, collections, curses, curses.textpad, enum, random, time\n' +
'\n' +
'P = collections.namedtuple(<span class="hljs-string">\'P\'</span>, <span class="hljs-string">\'x y\'</span>) <span class="hljs-comment"># Position</span>\n' +
'D = enum.Enum(<span class="hljs-string">\'D\'</span>, <span class="hljs-string">\'n e s w\'</span>) <span class="hljs-comment"># Direction</span>\n' +
'W, H = <span class="hljs-number">15</span>, <span class="hljs-number">7</span> <span class="hljs-comment"># Width, Height</span>\n' +
'P = collections.namedtuple(<span class="hljs-string">\'P\'</span>, <span class="hljs-string">\'x y\'</span>) <span class="hljs-comment"># Position</span>\n' +
'D = enum.Enum(<span class="hljs-string">\'D\'</span>, <span class="hljs-string">\'n e s w\'</span>) <span class="hljs-comment"># Direction</span>\n' +
'W, H = <span class="hljs-number">15</span>, <span class="hljs-number">7</span> <span class="hljs-comment"># Width, Height</span>\n' +
'\n' +
'<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">main</span><span class="hljs-params">(screen)</span>:</span>\n' +
' curses.curs_set(<span class="hljs-number">0</span>) <span class="hljs-comment"># Makes cursor invisible.</span>\n' +
' screen.nodelay(<span class="hljs-keyword">True</span>) <span class="hljs-comment"># Makes getch() non-blocking.</span>\n' +
' asyncio.run(main_coroutine(screen)) <span class="hljs-comment"># Starts running asyncio code.</span>\n' +
' curses.curs_set(<span class="hljs-number">0</span>) <span class="hljs-comment"># Makes cursor invisible.</span>\n' +
' screen.nodelay(<span class="hljs-keyword">True</span>) <span class="hljs-comment"># Makes getch() non-blocking.</span>\n' +
' asyncio.run(main_coroutine(screen)) <span class="hljs-comment"># Starts running asyncio code.</span>\n' +
'\n' +
'<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">main_coroutine</span><span class="hljs-params">(screen)</span>:</span>\n' +
' moves = asyncio.Queue()\n' +
@ -150,18 +150,15 @@ const COROUTINES =
'<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">human_controller</span><span class="hljs-params">(screen, moves)</span>:</span>\n' +
' <span class="hljs-keyword">while</span> <span class="hljs-keyword">True</span>:\n' +
' key_mappings = {<span class="hljs-number">258</span>: D.s, <span class="hljs-number">259</span>: D.n, <span class="hljs-number">260</span>: D.w, <span class="hljs-number">261</span>: D.e}\n' +
' ch = screen.getch()\n' +
' <span class="hljs-keyword">if</span> d := key_mappings.get(ch):\n' +
' <span class="hljs-keyword">if</span> d := key_mappings.get(screen.getch()):\n' +
' moves.put_nowait((<span class="hljs-string">\'*\'</span>, d))\n' +
' <span class="hljs-keyword">await</span> asyncio.sleep(<span class="hljs-number">0.005</span>)\n' +
'\n' +
'<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">model</span><span class="hljs-params">(moves, state)</span>:</span>\n' +
' <span class="hljs-keyword">while</span> state[<span class="hljs-string">\'*\'</span>] <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> (state[id_] <span class="hljs-keyword">for</span> id_ <span class="hljs-keyword">in</span> range(<span class="hljs-number">10</span>)):\n' +
' id_, d = <span class="hljs-keyword">await</span> moves.get()\n' +
' x, y = state[id_]\n' +
' deltas = {D.n: P(<span class="hljs-number">0</span>, <span class="hljs-number">-1</span>), D.e: P(<span class="hljs-number">1</span>, <span class="hljs-number">0</span>), D.s: P(<span class="hljs-number">0</span>, <span class="hljs-number">1</span>), D.w: P(<span class="hljs-number">-1</span>, <span class="hljs-number">0</span>)}\n' +
' dx, dy = deltas[d]\n' +
' state[id_] = P((x + dx) % W, (y + dy) % H)\n' +
' state[id_] = P((state[id_].x + deltas[d].x) % W, (state[id_].y + deltas[d].y) % H)\n' +
'\n' +
'<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">view</span><span class="hljs-params">(state, screen)</span>:</span>\n' +
' offset = P(curses.COLS//<span class="hljs-number">2</span> - W//<span class="hljs-number">2</span>, curses.LINES//<span class="hljs-number">2</span> - H//<span class="hljs-number">2</span>)\n' +
@ -169,18 +166,13 @@ const COROUTINES =
' screen.erase()\n' +
' curses.textpad.rectangle(screen, offset.y-<span class="hljs-number">1</span>, offset.x-<span class="hljs-number">1</span>, offset.y+H, offset.x+W)\n' +
' <span class="hljs-keyword">for</span> id_, p <span class="hljs-keyword">in</span> state.items():\n' +
' screen.addstr(\n' +
' offset.y + (p.y - state[<span class="hljs-string">\'*\'</span>].y + H//<span class="hljs-number">2</span>) % H,\n' +
' offset.x + (p.x - state[<span class="hljs-string">\'*\'</span>].x + W//<span class="hljs-number">2</span>) % W,\n' +
' str(id_)\n' +
' )\n' +
' screen.addstr(offset.y + (p.y - state[<span class="hljs-string">\'*\'</span>].y + H//<span class="hljs-number">2</span>) % H,\n' +
' offset.x + (p.x - state[<span class="hljs-string">\'*\'</span>].x + W//<span class="hljs-number">2</span>) % W, str(id_))\n' +
' screen.refresh()\n' +
' <span class="hljs-keyword">await</span> asyncio.sleep(<span class="hljs-number">0.005</span>)\n' +
'\n' +
'<span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">\'__main__\'</span>:\n' +
' start_time = time.perf_counter()\n' +
' curses.wrapper(main)\n' +
' print(<span class="hljs-string">f\'You survived <span class="hljs-subst">{time.perf_counter() - start_time:<span class="hljs-number">.2</span>f}</span> seconds.\'</span>)\n';
' curses.wrapper(main)\n';
const CURSES =
'<span class="hljs-comment"># $ pip3 install windows-curses</span>\n' +
@ -829,7 +821,7 @@ function fixHighlights() {
$(`code:contains(\'<n>s\')`).html(STRUCT_FORMAT);
$(`code:contains(match <object/expression>:)`).html(MATCH);
$(`code:contains(>>> match Path)`).html(MATCH_EXAMPLE);
//$(`code:contains(import asyncio, collections, curses, curses.textpad, enum, random)`).html(COROUTINES);
$(`code:contains(import asyncio, collections, curses, curses.textpad, enum, random)`).html(COROUTINES);
$(`code:contains(import curses, os)`).html(CURSES);
$(`code:contains(pip3 install tqdm)`).html(PROGRESS_BAR);
$(`code:contains(>>> logging.basicConfig()`).html(LOGGING_EXAMPLE);

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