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# Tested with ranger 1.7.2
#
# This plugin creates a bunch of keybindings used to mount and unmount
# the devices using pmount(1).
#
# alt+m       <letter>            <digit>: mount /dev/sd<letter><digit>
# alt+m       <uppercase letter>         : mount /dev/sd<letter>
# alt+shift+m <letter>            <digit>: unmount /dev/sd<letter><digit>
# alt+shift+m <uppercase letter>         : unmount /dev/sd<letter>
# alt+shift+n                            : list the devices

from __future__ import (absolute_import, division, print_function)

import ranger.api

MOUNT_KEY = '<alt>m'
UMOUNT_KEY = '<alt>M'
LIST_MOUNTS_KEY = '<alt>N'


HOOK_INIT_OLD = ranger.api.hook_init


def hook_init(fm):
    fm.execute_console("map {key} shell -p lsblk".format(key=LIST_MOUNTS_KEY))
    for disk in "abcdefgh":
        fm.execute_console("map {key}{0} chain shell pmount sd{1}; cd /media/sd{1}".format(
            disk.upper(), disk, key=MOUNT_KEY))
        fm.execute_console("map {key}{0} chain cd; chain shell pumount sd{1}".format(
            disk.upper(), disk, key=UMOUNT_KEY))
        for part in "123456789":
            fm.execute_console(
                "map {key}{0}{1} chain shell pmount sd{0}{1}; cd /media/sd{0}{1}".format(
                    disk, part, key=MOUNT_KEY)
            )
            fm.execute_console("map {key}{0}{1} chain cd; shell pumount sd{0}{1}".format(
                disk, part, key=UMOUNT_KEY))

    return HOOK_INIT_OLD(fm)


ranger.api.hook_init = hook_init
lt;vc@akkartik.com> 2015-05-25 22:27:19 -0700 committer Kartik K. Agaram <vc@akkartik.com> 2015-05-25 22:27:19 -0700 1459' href='/akkartik/mu/commit/html/channel.mu.html?h=main&id=c5ffb6e1cc9c5ff880d037c53b8ebc8562be0008'>c5ffb6e1 ^
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<pre id='vimCodeElement'>
<span class="Comment"># example program: communicating between routines using channels</span>

<span class="muRecipe">def</span> producer sink:address:sink:character<span class="muRecipe"> -&gt; </span>sink:address:sink:character [
  <span class="Comment"># produce characters 1 to 5 on a channel</span>
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
  <span class="Comment"># n = 0</span>
  n:character<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>
  <span class="Delimiter">{</span>
    done?:boolean<span class="Special"> &lt;- </span>lesser-than n, <span class="Constant">5</span>
    <span class="muControl">break-unless</span> done?
    <span class="Comment"># other threads might get between these prints</span>
    $print <span class="Constant">[produce: ]</span>, n, <span class="Constant">[ </span>
<span class="Constant">]</span>
    sink<span class="Special"> &lt;- </span>write sink, n
    n<span class="Special"> &lt;- </span>add n, <span class="Constant">1</span>
    <span class="muControl">loop</span>
  <span class="Delimiter">}</span>
]

<span class="muRecipe">def</span> consumer source:address:source:character<span class="muRecipe"> -&gt; </span>source:address:source:character [
  <span class="Comment"># consume and print integers from a channel</span>
  <span class="Constant">local-scope</span>
  <span class="Constant">load-ingredients</span>
  <span class="Delimiter">{</span>
    <span class="Comment"># read an integer from the channel</span>
    n:character, source<span class="Special"> &lt;- </span>read source
    <span class="Comment"># other threads might get between these prints</span>
    $print <span class="Constant">[consume: ]</span>, n:character, <span class="Constant">[ </span>
<span class="Constant">]</span>
    <span class="muControl">loop</span>
  <span class="Delimiter">}</span>
]

<span class="muRecipe">def</span> main [
  <span class="Constant">local-scope</span>
  source:address:source:character, sink:address:sink:character<span class="Special"> &lt;- </span>new-channel <span class="Constant">3/capacity</span>
  <span class="Comment"># create two background 'routines' that communicate by a channel</span>
  routine1:number<span class="Special"> &lt;- </span>start-running producer, sink
  routine2:number<span class="Special"> &lt;- </span>start-running consumer, source
  wait-for-routine routine1
  wait-for-routine routine2
]
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