def _delayed_recalc(self):
self._timeout = None
tv = self.get_tree_view()
assert tv is not None
range_ = tv.get_visible_range()
if not range_:
return
start, end = range_
start = start[0]
end = end[0]
# compute the cell width for all drawn cells in range +/- 3
for key, value in listitems(self._texts):
if not (start - 3) <= key <= (end + 3):
del self._texts[key]
elif isinstance(value, string_types):
self._texts[key] = self._cell_width(value)
# resize if too small or way too big and above the minimum
width = self.get_width()
needed_width = max([self._get_min_width()] + listvalues(self._texts))
if width < needed_width:
self._resize(needed_width)
elif width - needed_width >= self._cell_width("0"):
self._resize(needed_width)
def _delayed_recalc(self):
self._timeout = None
tv = self.get_tree_view()
assert tv is not None
range_ = tv.get_visible_range()
if not range_:
return
start, end = range_
start = start[0]
end = end[0]
# compute the cell width for all drawn cells in range +/- 3
for key, value in listitems(self._texts):
if not (start - 3) <= key <= (end + 3):
del self._texts[key]
elif isinstance(value, string_types):
self._texts[key] = self._cell_width(value)
# resize if too small or way too big and above the minimum
width = self.get_width()
needed_width = max([self._get_min_width()] + listvalues(self._texts))
if width < needed_width:
self._resize(needed_width)
elif width - needed_width >= self._cell_width("0"):
self._resize(needed_width)
def sanitize(self, filename=None):
"""Fill in metadata defaults. Find ~mountpoint, ~#mtime, ~#filesize
and ~#added. Check for null bytes in tags.
Does not raise.
"""
# Replace nulls with newlines, trimming zero-length segments
for key, val in listitems(self):
self[key] = val
if isinstance(val, string_types) and '\0' in val:
self[key] = '\n'.join(filter(lambda s: s, val.split('\0')))
# Remove unnecessary defaults
if key in NUMERIC_ZERO_DEFAULT and val == 0:
del self[key]
if filename:
self["~filename"] = filename
elif "~filename" not in self:
raise ValueError("Unknown filename!")
assert isinstance(self["~filename"], fsnative)
if self.is_file:
self["~filename"] = normalize_path(
self["~filename"], canonicalise=True)
# Find mount point (terminating at "/" if necessary)
head = self["~filename"]
while "~mountpoint" not in self:
head, tail = os.path.split(head)
# Prevent infinite loop without a fully-qualified filename
# (the unit tests use these).
head = head or fsnative(u"/")
if ismount(head):
self["~mountpoint"] = head
else:
self["~mountpoint"] = fsnative(u"/")
# Fill in necessary values.
self.setdefault("~#added", int(time.time()))
# For efficiency, do a single stat here. See Issue 504
try:
stat = os.stat(self['~filename'])
self["~#mtime"] = stat.st_mtime
self["~#filesize"] = stat.st_size
# Issue 342. This is a horrible approximation (due to headers) but
# on FLACs, the most common case, this should be close enough
if "~#bitrate" not in self:
try:
# kbps = bytes * 8 / seconds / 1000
self["~#bitrate"] = int(stat.st_size /
(self["~#length"] * (1000 / 8)))
except (KeyError, ZeroDivisionError):
pass
except OSError:
self["~#mtime"] = 0
def sanitize(self, filename=None):
"""Fill in metadata defaults. Find ~mountpoint, ~#mtime, ~#filesize
and ~#added. Check for null bytes in tags.
Does not raise.
"""
# Replace nulls with newlines, trimming zero-length segments
for key, val in listitems(self):
self[key] = val
if isinstance(val, string_types) and '\0' in val:
self[key] = '\n'.join(filter(lambda s: s, val.split('\0')))
# Remove unnecessary defaults
if key in NUMERIC_ZERO_DEFAULT and val == 0:
del self[key]
if filename:
self["~filename"] = filename
elif "~filename" not in self:
raise ValueError("Unknown filename!")
assert isinstance(self["~filename"], fsnative)
if self.is_file:
self["~filename"] = normalize_path(self["~filename"],
canonicalise=True)
# Find mount point (terminating at "/" if necessary)
head = self["~filename"]
while "~mountpoint" not in self:
head, tail = os.path.split(head)
# Prevent infinite loop without a fully-qualified filename
# (the unit tests use these).
head = head or fsnative(u"/")
if ismount(head):
self["~mountpoint"] = head
else:
self["~mountpoint"] = fsnative(u"/")
# Fill in necessary values.
self.setdefault("~#added", int(time.time()))
# For efficiency, do a single stat here. See Issue 504
try:
stat = os.stat(self['~filename'])
self["~#mtime"] = stat.st_mtime
self["~#filesize"] = stat.st_size
# Issue 342. This is a horrible approximation (due to headers) but
# on FLACs, the most common case, this should be close enough
if "~#bitrate" not in self:
try:
# kbps = bytes * 8 / seconds / 1000
self["~#bitrate"] = int(stat.st_size / (self["~#length"] *
(1000 / 8)))
except (KeyError, ZeroDivisionError):
pass
except OSError:
self["~#mtime"] = 0
def rescan(self):
"""Rescan all folders for changed/new/removed modules.
The caller should release all references to removed modules.
Returns a tuple: (removed, added)
"""
print_d("Rescanning..")
info = {}
# get what is there atm
for folder in self.__folders:
for name, path, deps in get_importables(folder, True):
# take the basename as module key, later modules win
info[name] = (path, deps)
# python can not unload a module, so we can only add new ones
# or reload if the path is the same and mtime changed,
# but we can still pretend we removed something
removed = []
added = []
# remove those that are gone and changed ones
for name, mod in listitems(self.__modules):
# not here anymore, remove
if name not in info:
del self.__modules[name]
removed.append(name)
continue
# check if any dependency has changed
path, new_deps = info[name]
if mod.has_changed(new_deps):
del self.__modules[name]
removed.append(name)
self.__failures.clear()
# add new ones
for (name, (path, deps)) in iteritems(info):
if name in self.__modules:
continue
try:
# add a real module, so that pickle works
# https://github.com/quodlibet/quodlibet/issues/1093
parent = "quodlibet.fake"
if parent not in sys.modules:
sys.modules[parent] = imp.new_module(parent)
vars(sys.modules["quodlibet"])["fake"] = sys.modules[parent]
mod = load_module(name, parent + ".plugins",
dirname(path), reload=True)
if mod is None:
continue
except Exception as err:
text = format_exception(*sys.exc_info())
self.__failures[name] = ModuleImportError(name, err, text)
else:
added.append(name)
self.__modules[name] = Module(name, mod, deps, path)
print_d("Rescanning done: %d added, %d removed, %d error(s)" %
(len(added), len(removed), len(self.__failures)))
return removed, added
def rescan(self):
"""Rescan all folders for changed/new/removed modules.
The caller should release all references to removed modules.
Returns a tuple: (removed, added)
"""
print_d("Rescanning..")
info = {}
# get what is there atm
for folder in self.__folders:
for name, path, deps in get_importables(folder, True):
# take the basename as module key, later modules win
info[name] = (path, deps)
# python can not unload a module, so we can only add new ones
# or reload if the path is the same and mtime changed,
# but we can still pretend we removed something
removed = []
added = []
# remove those that are gone and changed ones
for name, mod in listitems(self.__modules):
# not here anymore, remove
if name not in info:
del self.__modules[name]
removed.append(name)
continue
# check if any dependency has changed
path, new_deps = info[name]
if mod.has_changed(new_deps):
del self.__modules[name]
removed.append(name)
self.__failures.clear()
# add new ones
for (name, (path, deps)) in iteritems(info):
if name in self.__modules:
continue
try:
# add a real module, so that pickle works
# https://github.com/quodlibet/quodlibet/issues/1093
parent = "quodlibet.fake"
if parent not in sys.modules:
sys.modules[parent] = imp.new_module(parent)
vars(sys.modules["quodlibet"])["fake"] = sys.modules[parent]
mod = load_module(name,
parent + ".plugins",
dirname(path),
reload=True)
if mod is None:
continue
except Exception as err:
text = format_exception(*sys.exc_info())
self.__failures[name] = ModuleImportError(name, err, text)
else:
added.append(name)
self.__modules[name] = Module(name, mod, deps, path)
print_d("Rescanning done: %d added, %d removed, %d error(s)" %
(len(added), len(removed), len(self.__failures)))
return removed, added
