def __init__(self):
self.changer = Background()
self.monitors = self.changer.get_monitors()
self.config = Config()
self.cache = Cache(os.path.join(self.config.directory, 'cache'))
del(self.searches)
del(self.exclusions)
self.add_exclusions(self.config.exclusions)
self.load_display()
self.load_wallpapers()
class Wally(object): #{{{1
def __init__(self):
self.changer = Background()
self.monitors = self.changer.get_monitors()
self.config = Config()
self.cache = Cache(os.path.join(self.config.directory, 'cache'))
del(self.searches)
del(self.exclusions)
self.add_exclusions(self.config.exclusions)
self.load_display()
self.load_wallpapers()
def add_search(self, pattern):
self.search_patterns.append(re.compile(pattern, re.I))
def add_searches(self, patterns):
for pattern in patterns: self.add_search(pattern)
def _get_searches(self):
return [r.pattern for r in self.search_patterns]
def _set_searches(self, patterns):
del(self.searches)
self.add_searches(patterns)
def _del_searches(self):
self.search_patterns = []
searches = property(_get_searches, _set_searches, _del_searches)
def add_exclusion(self, pattern):
self.exclusion_patterns.append(re.compile(pattern, re.I))
def add_exclusions(self, patterns):
for pattern in patterns: self.add_exclusion(pattern)
def _get_exclusions(self):
return [r.pattern for r in self.exclusion_patterns]
def _set_exclusions(self, patterns):
del(self.exclusions)
self.add_exclusions(patterns)
def _del_exclusions(self):
self.exclusion_patterns = []
exclusions = property(_get_exclusions, _set_exclusions, _del_exclusions)
def load_display(self):
self.display = [None] * len(self.monitors)
self.display_key = [None] * len(self.monitors)
self.display_type = [None] * len(self.monitors)
for n, monitor in enumerate(self.monitors):
self.display_type[n] = display_type(monitor)
self.display_key[n] = 'display-%s-%s' % (n, self.display_type[n])
self.display[n] = self.cache.get(self.display_key[n])
def load_wallpapers(self):
self.wallpapers_all = {}
for dt, directories in self.config.directories.items():
self.wallpapers_all[dt] = sorted(find_wallpapers(directories))
self.refresh_wallpapers()
def refresh_wallpapers(self):
self.wallpapers = {}
for dt, wallpapers in self.wallpapers_all.items():
self.wallpapers[dt] = [w for w in wallpapers if self.valid_wallpaper(w)]
def dump_display(self):
for n, wallpaper in enumerate(self.display):
self.cache[self.display_key[n]] = wallpaper
wn = 'wallpaper-%s.png' % socket.gethostname()
fn = os.path.join(self.config.directory, wn)
self.display_image.save(fn)
self.changer.set_background(fn)
self.cache.dump()
def image(self, size):
return Image.new('RGB', size, self.config.background_color)
def valid_wallpaper(self, wallpaper):
if self.exclusions and matches_any(wallpaper, self.exclusion_patterns): return False
if self.searches and not matches_all(wallpaper, self.search_patterns): return False
return True
def change_random(self, target=None):
for n in range(len(self.display)):
if target is not None and target != n: continue
wallpapers = self.wallpapers.get(self.display_type[n])
if not wallpapers: continue
self.display[n] = random.choice(wallpapers)
def refresh_display(self):
self.display_image = self.image(self.changer.get_screen_size())
for n, monitor in enumerate(self.monitors):
self.set_wallpaper(n, self.display[n])
self.dump_display()
def set_wallpaper(self, n, wallpaper):
monitor = self.monitors[n]
base = self.image(monitor[0:2])
if wallpaper and os.path.isfile(wallpaper):
self.display_image.paste(paste_scale(base, Image.open(wallpaper)), monitor[2:4])
else:
self.display_image.paste(base, monitor[2:4])
def increment(self, n, count):
if count == 0: return
wallpapers = self.wallpapers.get(self.display_type[n])
if not wallpapers: return
total = len(wallpapers)
if total == 0: return
count %= total
next_idx = (-1 if count > 0 else total) + count
wallpaper = self.display[n]
if not wallpaper:
wallpaper = wallpapers[next_idx]
next_idx += count / abs(count)
else:
if wallpaper in wallpapers:
idx = wallpapers.index(wallpaper) + count
else:
idx = 0 if count > 0 else -1
if idx >= total: idx -= total
wallpaper = wallpapers[idx]
self.display[n] = wallpaper
def change_next(self, target=None):
for n in range(len(self.display)):
if target is not None and target != n: continue
self.increment(n, 1)
def change_prev(self, target=None):
for n in range(len(self.display)):
if target is not None and target != n: continue
self.increment(n, -1)
