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python-cheatsheet
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Curses

pull/109/merge
Jure Šorn 1 year ago
parent
563231fa39
commit
6dea75f116
3 changed files with 30 additions and 4 deletions
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  1. 2
      README.md
  2. 6
      index.html
  3. 26
      parse.js

2
README.md
View File

@ -2429,7 +2429,7 @@ from curses import A_REVERSE, KEY_DOWN, KEY_UP, KEY_LEFT, KEY_RIGHT, KEY_ENTER
def main(screen):
ch, first, selected, paths = 0, 0, 0, os.listdir()
while ch not in [curses.ascii.ESC, ord('q')]:
while ch not in [ord('q'), curses.ascii.ESC]:
height, width = screen.getmaxyx()
screen.erase()
for y, filename in enumerate(paths[first : first+height]):

6
index.html
View File

@ -1991,15 +1991,15 @@ print(table)
<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">main</span><span class="hljs-params">(screen)</span>:</span>
ch, first, selected, paths = <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, os.listdir()
<span class="hljs-keyword">while</span> ch <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> [curses.ascii.ESC, ord(<span class="hljs-string">'q'</span>)]:
<span class="hljs-keyword">while</span> ch <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> [ord(<span class="hljs-string">'q'</span>), curses.ascii.ESC]:
height, width = screen.getmaxyx()
screen.erase()
<span class="hljs-keyword">for</span> y, filename <span class="hljs-keyword">in</span> enumerate(paths[first : first+height]):
color = A_REVERSE <span class="hljs-keyword">if</span> filename == paths[selected] <span class="hljs-keyword">else</span> <span class="hljs-number">0</span>
screen.addstr(y, <span class="hljs-number">0</span>, filename[:width<span class="hljs-number">-1</span>], color)
screen.addstr(y, <span class="hljs-number">0</span>, filename[:width-<span class="hljs-number">1</span>], color)
ch = screen.getch()
selected += (ch == KEY_DOWN) - (ch == KEY_UP)
selected = max(<span class="hljs-number">0</span>, min(len(paths)<span class="hljs-number">-1</span>, selected))
selected = max(<span class="hljs-number">0</span>, min(len(paths)-<span class="hljs-number">1</span>, selected))
first += (selected &gt;= first + height) - (selected &lt; first)
<span class="hljs-keyword">if</span> ch <span class="hljs-keyword">in</span> [KEY_LEFT, KEY_RIGHT, KEY_ENTER, <span class="hljs-number">10</span>, <span class="hljs-number">13</span>]:
new_dir = <span class="hljs-string">'..'</span> <span class="hljs-keyword">if</span> ch == KEY_LEFT <span class="hljs-keyword">else</span> paths[selected]

26
parse.js
View File

@ -161,6 +161,31 @@ const COROUTINES =
'<span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">\'__main__\'</span>:\n' +
' curses.wrapper(main)\n';
const CURSES =
'<span class="hljs-keyword">import</span> curses, curses.ascii, os\n' +
'<span class="hljs-keyword">from</span> curses <span class="hljs-keyword">import</span> A_REVERSE, KEY_DOWN, KEY_UP, KEY_LEFT, KEY_RIGHT, KEY_ENTER\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' +
' ch, first, selected, paths = <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, os.listdir()\n' +
' <span class="hljs-keyword">while</span> ch <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> [ord(<span class="hljs-string">\'q\'</span>), curses.ascii.ESC]:\n' +
' height, width = screen.getmaxyx()\n' +
' screen.erase()\n' +
' <span class="hljs-keyword">for</span> y, filename <span class="hljs-keyword">in</span> enumerate(paths[first : first+height]):\n' +
' color = A_REVERSE <span class="hljs-keyword">if</span> filename == paths[selected] <span class="hljs-keyword">else</span> <span class="hljs-number">0</span>\n' +
' screen.addstr(y, <span class="hljs-number">0</span>, filename[:width-<span class="hljs-number">1</span>], color)\n' +
' ch = screen.getch()\n' +
' selected += (ch == KEY_DOWN) - (ch == KEY_UP)\n' +
' selected = max(<span class="hljs-number">0</span>, min(len(paths)-<span class="hljs-number">1</span>, selected))\n' +
' first += (selected &gt;= first + height) - (selected &lt; first)\n' +
' <span class="hljs-keyword">if</span> ch <span class="hljs-keyword">in</span> [KEY_LEFT, KEY_RIGHT, KEY_ENTER, <span class="hljs-number">10</span>, <span class="hljs-number">13</span>]:\n' +
' new_dir = <span class="hljs-string">\'..\'</span> <span class="hljs-keyword">if</span> ch == KEY_LEFT <span class="hljs-keyword">else</span> paths[selected]\n' +
' <span class="hljs-keyword">if</span> os.path.isdir(new_dir):\n' +
' os.chdir(new_dir)\n' +
' first, selected, paths = <span class="hljs-number">0</span>, <span class="hljs-number">0</span>, os.listdir()\n' +
'\n' +
'<span class="hljs-keyword">if</span> __name__ == <span class="hljs-string">\'__main__\'</span>:\n' +
' curses.wrapper(main)\n';
const PROGRESS_BAR =
'<span class="hljs-comment"># $ pip3 install tqdm</span>\n' +
'<span class="hljs-meta">&gt;&gt;&gt; </span><span class="hljs-keyword">from</span> tqdm <span class="hljs-keyword">import</span> tqdm\n' +
@ -767,6 +792,7 @@ function fixHighlights() {
$(`code:contains(\'<class_name>\', <tuple_of_parents>, <dict_of_class_attributes>)`).html(TYPE);
$(`code:contains(ValueError: malformed node)`).html(EVAL);
$(`code:contains(import asyncio, collections, curses, curses.textpad, enum, random)`).html(COROUTINES);
$(`code:contains(import curses, curses.ascii, os)`).html(CURSES);
$(`code:contains(pip3 install tqdm)`).html(PROGRESS_BAR);
$(`code:contains(>>> logging.basicConfig(level=)`).html(LOGGING_EXAMPLE);
$(`code:contains(samples_f = (sin(i *)`).html(AUDIO);

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