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aesop.py
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aesop.py
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#!/usr/bin/env python
# stdlib imports
import os, sys, signal, curses, datetime
from select import select, error
from mplayer import MPlayer, SelectQueue
from itertools import cycle
# local imports
from util.window import WindowController
from util.keymap import Bind
from util.playlist import Playlist
from util.browser import Browser
from util.misc import stom, NamedDict, Signaler, PlayerState, Handler
if True:
import logging
logging.basicConfig(
filename = '/home/psev/code/python/aesop/log',
filemode = 'w',
format = '%(levelname)s: %(name)s: %(processName)s: %(asctime)s: %(message)s',
datefmt = '%H:%M:%S',
)
log = logging.getLogger('Aesop')
log.setLevel(logging.INFO)
class StateHandler(Handler):
def on_init(self):
self.win.hline(2, 0, curses.ACS_HLINE, self.win.parent.max.x)
self.file = None
self.path = None
self.display()
self.attach('chdir', self.set_path)
def on_change(self):
self.display()
def on_play(self):
self.file = self.player.get_file_name()
self.display()
def on_stop(self):
self.file = None
self.display()
def display(self):
win = self.win
state = None
if self.playing:
state = 'Playing'
elif self.paused:
state = 'Paused'
elif self.stopped:
state = 'Stopped'
elif self.loading:
state = 'Loading'
win.move(0, 0)
win.clrtoeol()
win.insstr('State:%s' % state)
win.move(1, 0)
win.clrtoeol()
win.insstr('File:%s' % self.file, curses.color_pair(2) | curses.A_BOLD)
win.insstr('Path:%s/ ' % self.path, curses.A_BOLD)
win.refresh()
def set_path(self, path):
self.path = path
self.display()
class HelpHandler(Handler):
def __init__(self, win, player, wins):
self.wins = wins
super(HelpHandler, self).__init__(win, player)
def on_init(self):
self.win.keymap.add(
Bind('Refresh help page.', ['r'], self.display),
)
self.display()
def display(self):
self.win.clear()
i = 0
for win in self.wins:
if not win.keymap: continue
self.win.insstr(i, 0, win.name.title())
i += 1
for info, keys in win.keymap.help:
self.win.insstr(i, 1, '%s - %s' % (', '.join(keys), info))
i += 1
i += 1
self.win.refresh()
class ProgressHandler(Handler):
def on_init(self):
self.win.hline(0, 0, curses.ACS_HLINE, self.win.parent.max.x)
self.tpos = 0
self.tlen = 0
self.display()
def on_play(self):
self.tpos = 0
self.tlen = self.player.get_time_length()
def on_stop(self):
self.tlen = 0
self.display()
def while_playing(self):
self.display()
def display(self, inc=None):
win = self.win
win.move(1, 0)
win.clrtoeol()
if not inc:
tpos = self.tpos = self.player.get_time_pos()
else:
self.tpos += inc
if self.tpos > self.tlen:
self.tpos = self.tlen
elif self.tpos < 0:
self.tpos = 0
tpos = self.tpos
tlen = self.tlen
ppos = (tpos / tlen) * 100 if tlen else 0
win.insstr('Time: %d:%02d/%d:%02d' % tuple(stom(tpos) + stom(tlen)))
win.insstr('Percent: %d | ' % ppos)
pct = round(self.win.parent.max.x * ppos / 100)
win.move(2, 0)
win.insstr('%s%s%s' % ('='*(pct-1), '>', '-'*(self.win.parent.max.x-pct)))
win.refresh()
def seek(self, i=10):
if self.playing:
self.player.seek(i)
else:
self.player.seek(self.tpos + i, 2)
self.display(i)
class BrowserHandler(Handler):
def __init__(self, win, player, exts, browser=None):
self.browser = browser or Browser(exts)
self.exts = exts
self.offset = 0
self.continuous = False
self.last_mouse_event = None
super(BrowserHandler, self).__init__(win, player)
def on_init(self):
self.win.keymap.add(
Bind('Play highlighted item.', ['\n'], self.enter),
Bind('Move cursor up.', ['KEY_UP', 'k'], self.goto, -1),
Bind('Move cursor down.', ['KEY_DOWN', 'j'], self.goto, 1),
Bind('Move cursor to start of page.', ['KEY_PPAGE', 'K'], self.goto, 0, False),
Bind('Move cursor to end of page.', ['KEY_NPAGE', 'J'], self.goto, lambda : self.browser.len - 1, False),
Bind('Toggle sequential play of directory.', ['c'], self.toggle_continuous),
)
self.display()
self.emit('chdir', self.browser.path)
def on_stop(self):
if self.continuous:
self.goto(1)
self.enter()
def on_mouse(self, event):
id, x, y, z, state = event
log.info('MOUSE EVENT: (%s, %s) :: %s' % (x, y, state))
beg = self.win.beg
if not y - beg.y < self.browser.len: return
if state & (curses.BUTTON1_PRESSED | curses.BUTTON1_CLICKED):
self.goto(self.offset + y - beg.y, False)
elif state & (curses.BUTTON3_PRESSED | curses.BUTTON3_CLICKED):
self.goto(self.offset + y - beg.y, False)
self.enter()
elif state & 16777218: #| 17039360 | 17301504:
self.goto(self.offset + y - beg.y, False)
self.last_mouse_event = event
def display(self):
self.win.clear()
i = 0
for file in self.browser[self.offset:self.win.max.y + self.offset]:
color = curses.color_pair(1 if os.path.isdir(file) else 2)
self.win.insstr(i, 1, file, color | curses.A_BOLD)
if i == self.browser.idx - self.offset:
self.win.chgat(curses.color_pair(3) | curses.A_BOLD)
i += 1
self.win.refresh()
def goto(self, i, relative=True):
if callable(i): i = i()
self.browser.idx = self.browser.idx + i if relative else i
# XXX There must be a better way to handle the offset than this
if self.win.max.y > self.browser.len:
pass
elif self.browser.idx == self.win.max.y + self.offset:
self.offset += 1
elif self.browser.idx == self.offset - 1:
self.offset -= 1
elif self.browser.idx == 0:
self.offset = 0
elif self.browser.idx == self.browser.len - 1:
self.offset = self.browser.len - self.win.max.y
self.display()
def enter(self):
if os.path.isdir(self.browser.current):
self.offset = 0
self.browser.chdir(self.browser.current)
self.emit('chdir', self.browser.path)
else:
self.player.loadfile(os.path.abspath(self.browser.current))
self.display()
def toggle_continuous(self):
self.continuous= not self.continuous
class Aesop(Signaler, PlayerState):
@property
def active(self):
return self._active
@active.setter
def active(self, handler):
self._active = handler
self.windows.active = handler.win
def __init__(self, rootwin):
log.info('Initialized')
self.windows = WindowController(rootwin)
self.handlers = NamedDict()
self.player = MPlayer(['-vo', 'vdpau', '-ao', 'pulse'])
self.setup()
self.run()
def setup(self):
self.timeout = None
self.player.defaults['default'] = 0
curses.curs_set(False)
curses.mousemask(curses.ALL_MOUSE_EVENTS | curses.REPORT_MOUSE_POSITION)
curses.mouseinterval(0)
curses.use_default_colors()
curses.init_pair(1, curses.COLOR_BLUE, -1)
curses.init_pair(2, curses.COLOR_CYAN, -1)
curses.init_pair(3, curses.COLOR_BLACK, curses.COLOR_WHITE)
curses.init_pair(4, curses.COLOR_YELLOW, -1)
self.windows.add('help', 3, 0, self.windows.max.y-6, self.windows.max.x-1)
self.handlers.help = HelpHandler(self.windows.help, self.player, self.windows)
self.windows.add('state', 0, 0, 3, self.windows.max.x)
self.handlers.state = StateHandler(self.windows.state, self.player)
self.windows.add('progress', self.windows.max.y-3, 0)
self.handlers.progress = ProgressHandler(self.windows.progress, self.player)
exts = [ 'avi', 'wmv', 'mkv', 'mpg', ]
self.windows.add('browser', 3, 0, self.windows.max.y-6, self.windows.max.x-1)
self.handlers.browser = BrowserHandler(self.windows.browser, self.player, exts)
self.windows.apply('keypad', 1) # turn keypad on for all windows
self.active = self.handlers.browser
active = cycle([self.handlers.help, self.handlers.browser])
signal.signal(signal.SIGWINCH, lambda *args : self.handle('resize'))
self.windows.root.keymap.add(
Bind(None, ['KEY_RESIZE'], lambda : self.handle('resize')),
Bind(None, ['KEY_MOUSE'], self.mouse),
Bind('Close Aesop.', ['q'], self.quit),
Bind('Toggle pause.', ['p'], self.player.pause),
Bind('Stop play.', ['x'], self.player.stop),
Bind('Seek forward 10 seconds', ['KEY_RIGHT', 's'], self.handlers.progress.seek, 10),
Bind('Seek backward 10 seconds', ['KEY_LEFT', 'h'], self.handlers.progress.seek, -10),
Bind('Cycle between help, browser and playlist windows.', ['\t'], self.set_active, lambda : next(active)),
)
def run(self):
rfds = [
sys.stdin,
self.player.notifier,
]
while True:
try: rl, wl, el = select(rfds, [], [], self.timeout)
except error: continue
if sys.stdin in rl:
try:
bind = self.windows.key_lookup(self.windows.active.getkey())
bind.func(*bind.args, **bind.kargs)
except Exception as err:
log.warning(err)
curses.flushinp()
if self.player.notifier in rl:
self.apply_state(self.player.notifier.get())
if self.playing:
self.handle('playing')
def apply_state(self, state):
self.handle('change')
if self.playing:
self.player.defaults['prefix'] = ''
self.handle('play')
self.timeout = 1
elif self.paused:
self.player.defaults['prefix'] = 'pausing_keep'
self.handle('pause')
self.timeout = None
elif self.stopped:
self.player.defaults['prefix'] = ''
self.handle('stop')
self.timeout = None
elif self.loading:
self.player.defaults['prefix'] = ''
self.handle('load')
self.timeout = None
self.windows.refresh()
def handle(self, action, *args, **kargs):
for handler in self.handlers:
if action == 'playing':
prefix = 'while_'
else:
prefix = 'on_'
getattr(self.handlers[handler], prefix + action)(*args, **kargs)
def set_active(self, handler):
if callable(handler): handler = handler()
self.active = handler
handler.display()
def mouse(self):
id, x, y, z, state = event = curses.getmouse()
if self.active.win.enclose(y, x):
self.active.on_mouse(event)
def quit(self):
self.player.kill()
raise SystemExit()
curses.wrapper(Aesop)