def __init__(self, path, **kw): assert not os.path.isfile(path), "No directory given!" Loadable.__init__(self, None, None) Accumulator.__init__(self) FileSystemObject.__init__(self, path, **kw) self.marked_items = [] self.filter_stack = [] self._signal_functions = [] func = self.signal_function_factory(self.sort) self._signal_functions += [func] for opt in ('sort_directories_first', 'sort', 'sort_reverse', 'sort_case_insensitive'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) func = self.signal_function_factory(self.refilter) self._signal_functions += [func] for opt in ('hidden_filter', 'show_hidden'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) self.settings = LocalSettings(path, self.settings) self.use()
def __init__(self, path, **kw): assert not os.path.isfile(path), "No directory given!" Loadable.__init__(self, None, None) Accumulator.__init__(self) FileSystemObject.__init__(self, path, **kw) self.marked_items = list() for opt in ('sort_directories_first', 'sort', 'sort_reverse', 'sort_case_insensitive'): self.settings.signal_bind('setopt.' + opt, self.request_resort, weak=True, autosort=False) for opt in ('hidden_filter', 'show_hidden'): self.settings.signal_bind('setopt.' + opt, self.refilter, weak=True, autosort=False) self.settings = LocalSettings(path, self.settings) self.use()
def __init__(self, path, **kw): assert not os.path.isfile(path), "No directory given!" Loadable.__init__(self, None, None) Accumulator.__init__(self) FileSystemObject.__init__(self, path, **kw) self.marked_items = [] self._signal_functions = [] func = self.signal_function_factory(self.sort) self._signal_functions += [func] for opt in ('sort_directories_first', 'sort', 'sort_reverse', 'sort_case_insensitive'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) func = self.signal_function_factory(self.refilter) self._signal_functions += [func] for opt in ('hidden_filter', 'show_hidden'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) self.settings = LocalSettings(path, self.settings) self.use()
class Directory( # pylint: disable=too-many-instance-attributes,too-many-public-methods FileSystemObject, Accumulator, Loadable): is_directory = True enterable = False load_generator = None cycle_list = None loading = False progressbar_supported = True flat = 0 filenames = None files = None files_all = None filter = None temporary_filter = None narrow_filter = None inode_type_filter = None marked_items = None scroll_begin = 0 mount_path = '/' disk_usage = 0 last_update_time = -1 load_content_mtime = -1 order_outdated = False content_outdated = False content_loaded = False has_vcschild = False _vcs_signal_handler_installed = False cumulative_size_calculated = False sort_dict = { 'basename': sort_by_basename, 'natural': sort_naturally, 'size': lambda path: -(path.size or 1), 'mtime': lambda path: -(path.stat and path.stat.st_mtime or 1), 'ctime': lambda path: -(path.stat and path.stat.st_ctime or 1), 'atime': lambda path: -(path.stat and path.stat.st_atime or 1), 'random': lambda path: random.random(), 'type': lambda path: path.mimetype or '', 'extension': lambda path: path.extension or '', } def __init__(self, path, **kw): assert not os.path.isfile(path), "No directory given!" Loadable.__init__(self, None, None) Accumulator.__init__(self) FileSystemObject.__init__(self, path, **kw) self.marked_items = [] self.filter_stack = [] self._signal_functions = [] func = self.signal_function_factory(self.sort) self._signal_functions += [func] for opt in ('sort_directories_first', 'sort', 'sort_reverse', 'sort_case_insensitive'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) func = self.signal_function_factory(self.refilter) self._signal_functions += [func] for opt in ('hidden_filter', 'show_hidden'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) self.settings = LocalSettings(path, self.settings) self.use() @lazy_property def vcs(self): if not self._vcs_signal_handler_installed: self.settings.signal_bind( 'setopt.vcs_aware', self.vcs__reset, # pylint: disable=no-member weak=True, autosort=False, ) self._vcs_signal_handler_installed = True if self.settings.vcs_aware: return Vcs(self) return None def signal_function_factory(self, function): def signal_function(): self.load_if_outdated() if not self.exists: return function() return signal_function def request_resort(self): self.order_outdated = True def request_reload(self): self.content_outdated = True def get_list(self): return self.files def mark_item(self, item, val): item.mark_set(val) if val: if item in self.files and item not in self.marked_items: self.marked_items.append(item) else: while True: try: self.marked_items.remove(item) except ValueError: break def toggle_mark(self, item): self.mark_item(item, not item.marked) def toggle_all_marks(self): for item in self.files: self.toggle_mark(item) def mark_all(self, val): for item in self.files: self.mark_item(item, val) if not val: del self.marked_items[:] self._clear_marked_items() # XXX: Is it really necessary to have the marked items in a list? # Can't we just recalculate them with [f for f in self.files if f.marked]? def _gc_marked_items(self): for item in list(self.marked_items): if item.path not in self.filenames: self.marked_items.remove(item) def _clear_marked_items(self): for item in self.marked_items: item.mark_set(False) del self.marked_items[:] def get_selection(self): """READ ONLY""" self._gc_marked_items() if not self.files: return [] if self.marked_items: return [item for item in self.files if item.marked] elif self.pointed_obj: return [self.pointed_obj] return [] def refilter(self): if self.files_all is None: return # propably not loaded yet self.last_update_time = time() filters = [] if not self.settings.show_hidden and self.settings.hidden_filter: hidden_filter = re.compile(self.settings.hidden_filter) hidden_filter_search = hidden_filter.search def hidden_filter_func(fobj): for comp in fobj.relative_path.split(os.path.sep): if hidden_filter_search(comp): return False return True filters.append(hidden_filter_func) if self.narrow_filter: # pylint: disable=unsupported-membership-test # Pylint complains that self.narrow_filter is by default # None but the execution won't reach this line if it is # still None. filters.append(lambda fobj: fobj.basename in self.narrow_filter) if self.settings.global_inode_type_filter or self.inode_type_filter: def inode_filter_func(obj): # Use local inode_type_filter if present, global otherwise inode_filter = self.inode_type_filter or self.settings.global_inode_type_filter # Apply filter if InodeFilterConstants.DIRS in inode_filter and \ obj.is_directory: return True elif InodeFilterConstants.FILES in inode_filter and \ obj.is_file and not obj.is_link: return True elif InodeFilterConstants.LINKS in inode_filter and \ obj.is_link: return True return False filters.append(inode_filter_func) if self.filter: filter_search = self.filter.search filters.append(lambda fobj: filter_search(fobj.basename)) if self.temporary_filter: temporary_filter_search = self.temporary_filter.search filters.append(lambda fobj: temporary_filter_search(fobj.basename)) filters.extend(self.filter_stack) self.files = [f for f in self.files_all if accept_file(f, filters)] # A fix for corner cases when the user invokes show_hidden on a # directory that contains only hidden directories and hidden files. if self.files and not self.pointed_obj: self.pointed_obj = self.files[0] elif not self.files: self.content_loaded = False self.pointed_obj = None self.move_to_obj(self.pointed_obj) # XXX: Check for possible race conditions # pylint: disable=too-many-locals,too-many-branches,too-many-statements def load_bit_by_bit(self): """An iterator that loads a part on every next() call Returns a generator which load a part of the directory in each iteration. """ self.loading = True self.percent = 0 self.load_if_outdated() basename_is_rel_to = self.path if self.flat else None try: # pylint: disable=too-many-nested-blocks if self.runnable: yield mypath = self.path self.mount_path = mount_path(mypath) def ignore_files(): directory = expanduser("~") files = [] for filename in os.listdir(directory): if filename.startswith( "ranger_") and filename.endswith(".txt"): with open(os.path.join(directory, filename), 'r') as f: files += f.read().strip().split("\n") return list(set(files)) if self.flat: filelist = [] for dirpath, dirnames, filenames in walklevel( mypath, self.flat): dirlist = [ os.path.join("/", dirpath, d) for d in dirnames if self.flat == -1 or (dirpath.count(os.path.sep) - mypath.count(os.path.sep)) <= self.flat ] filelist += dirlist filelist += [ os.path.join("/", dirpath, f) for f in filenames ] filenames = filelist filenames = [ f for f in filenames if not f in ignore_files() ] self.load_content_mtime = mtimelevel(mypath, self.flat) else: filelist = os.listdir(mypath) filenames = [ mypath + (mypath == '/' and fname or '/' + fname) for fname in filelist ] filenames = [ f for f in filenames if not f in ignore_files() ] self.load_content_mtime = os.stat(mypath).st_mtime if self.cumulative_size_calculated: # If self.content_loaded is true, this is not the first # time loading. So I can't really be sure if the # size has changed and I'll add a "?". if self.content_loaded: if self.fm.settings.autoupdate_cumulative_size: self.look_up_cumulative_size() else: self.infostring = ' %s' % human_readable( self.size, separator='? ') else: self.infostring = ' %s' % human_readable(self.size) else: self.size = len(filelist) self.infostring = ' %d' % self.size if self.is_link: self.infostring = '->' + self.infostring yield marked_paths = [obj.path for obj in self.marked_items] files = [] disk_usage = 0 has_vcschild = False for name in filenames: try: file_lstat = os_lstat(name) if file_lstat.st_mode & 0o170000 == 0o120000: file_stat = os_stat(name) else: file_stat = file_lstat except OSError: file_lstat = None file_stat = None if file_lstat and file_stat: stats = (file_stat, file_lstat) is_a_dir = file_stat.st_mode & 0o170000 == 0o040000 else: stats = None is_a_dir = False if is_a_dir: item = self.fm.get_directory( name, preload=stats, path_is_abs=True, basename_is_rel_to=basename_is_rel_to) item.load_if_outdated() if self.flat: item.relative_path = os.path.relpath( item.path, self.path) else: item.relative_path = item.basename item.relative_path_lower = item.relative_path.lower() if item.vcs and item.vcs.track: if item.vcs.is_root_pointer: has_vcschild = True else: item.vcsstatus = \ item.vcs.rootvcs.status_subpath( # pylint: disable=no-member os.path.join(self.realpath, item.basename), is_directory=True, ) else: item = File(name, preload=stats, path_is_abs=True, basename_is_rel_to=basename_is_rel_to) item.load() disk_usage += item.size if self.vcs and self.vcs.track: item.vcsstatus = \ self.vcs.rootvcs.status_subpath( # pylint: disable=no-member os.path.join(self.realpath, item.basename)) files.append(item) self.percent = 100 * len(files) // len(filenames) yield self.has_vcschild = has_vcschild self.disk_usage = disk_usage self.filenames = filenames self.files_all = files self._clear_marked_items() for item in self.files_all: if item.path in marked_paths: item.mark_set(True) self.marked_items.append(item) else: item.mark_set(False) self.sort() if files: if self.pointed_obj is not None: self.sync_index() else: self.move(to=0) else: self.filenames = None self.files_all = None self.files = None self.cycle_list = None self.content_loaded = True self.last_update_time = time() self.correct_pointer() finally: self.loading = False self.fm.signal_emit("finished_loading_dir", directory=self) if self.vcs: self.fm.ui.vcsthread.process(self) # pylint: enable=too-many-locals,too-many-branches,too-many-statements def unload(self): self.loading = False self.load_generator = None def load_content(self, schedule=None): """Loads the contents of the directory. Use this sparingly since it takes rather long. """ self.content_outdated = False if self.settings.freeze_files: return if not self.loading: if not self.loaded: self.load() if not self.accessible: self.content_loaded = True return if schedule is None: schedule = True # was: self.size > 30 if self.load_generator is None: self.load_generator = self.load_bit_by_bit() if schedule and self.fm: self.fm.loader.add(self) else: for _ in self.load_generator: pass self.load_generator = None elif not schedule or not self.fm: for _ in self.load_generator: pass self.load_generator = None def sort(self): """Sort the contained files""" if self.files_all is None: return try: sort_func = self.sort_dict[self.settings.sort] except KeyError: sort_func = sort_by_basename if self.settings.sort_case_insensitive and \ sort_func == sort_by_basename: sort_func = sort_by_basename_icase if self.settings.sort_case_insensitive and \ sort_func == sort_naturally: sort_func = sort_naturally_icase # XXX Does not work with usermade sorting functions :S if self.settings.sort_unicode: if sort_func in (sort_naturally, sort_naturally_icase): sort_func = sort_unicode_wrapper_list(sort_func) elif sort_func in (sort_by_basename, sort_by_basename_icase): sort_func = sort_unicode_wrapper_string(sort_func) self.files_all.sort(key=sort_func) if self.settings.sort_reverse: self.files_all.reverse() if self.settings.sort_directories_first: self.files_all.sort(key=sort_by_directory) self.refilter() def _get_cumulative_size(self): if self.size == 0: return 0 cum = 0 realpath = os.path.realpath for dirpath, _, filenames in os.walk(self.path, onerror=lambda _: None): for fname in filenames: try: if dirpath == self.path: stat = os_stat(realpath(dirpath + "/" + fname)) else: stat = os_stat(dirpath + "/" + fname) except OSError: continue cum += stat.st_size return cum def look_up_cumulative_size(self): self.cumulative_size_calculated = True self.size = self._get_cumulative_size() self.infostring = ('-> ' if self.is_link else ' ') + human_readable( self.size) @lazy_property def size(self): # pylint: disable=method-hidden try: if self.fm.settings.automatically_count_files: size = len(os.listdir(self.path)) else: size = None except OSError: self.infostring = BAD_INFO self.accessible = False self.runnable = False return 0 else: if size is None: self.infostring = '' else: self.infostring = ' %d' % size self.accessible = True self.runnable = True return size @lazy_property def infostring(self): # pylint: disable=method-hidden self.size # trigger the lazy property initializer pylint: disable=pointless-statement if self.is_link: return '->' + self.infostring return self.infostring @lazy_property def runnable(self): # pylint: disable=method-hidden self.size # trigger the lazy property initializer pylint: disable=pointless-statement return self.runnable def sort_if_outdated(self): """Sort the containing files if they are outdated""" if self.order_outdated: self.order_outdated = False self.sort() return True return False def move_to_obj(self, arg, attr=None): try: arg = arg.path except AttributeError: pass self.load_content_once(schedule=False) if self.empty(): return Accumulator.move_to_obj(self, arg, attr='path') def search_fnc(self, fnc, offset=1, forward=True): length = len(self) if forward: generator = ((self.pointer + (x + offset)) % length for x in range(length - 1)) else: generator = ((self.pointer - (x + offset)) % length for x in range(length - 1)) for i in generator: _file = self.files[i] if fnc(_file): self.pointer = i self.pointed_obj = _file self.correct_pointer() return True return False def set_cycle_list(self, lst): self.cycle_list = deque(lst) def cycle(self, forward=True): if self.cycle_list: if forward is True: self.cycle_list.rotate(-1) elif forward is False: self.cycle_list.rotate(1) self.move_to_obj(self.cycle_list[0]) def correct_pointer(self): """Make sure the pointer is in the valid range""" Accumulator.correct_pointer(self) if self == self.fm.thisdir: try: self.fm.thisfile = self.pointed_obj except AttributeError: pass def load_content_once(self, *a, **k): """Load the contents of the directory if not done yet""" if not self.content_loaded: self.load_content(*a, **k) return True return False def load_content_if_outdated(self, *a, **k): """Load the contents of the directory if outdated""" if self.load_content_once(*a, **k): return True if self.files_all is None or self.content_outdated: self.load_content(*a, **k) return True try: if self.flat: real_mtime = mtimelevel(self.path, self.flat) else: real_mtime = os.stat(self.path).st_mtime except OSError: real_mtime = None return False if self.stat: cached_mtime = self.load_content_mtime else: cached_mtime = 0 if real_mtime != cached_mtime: self.load_content(*a, **k) return True return False def get_description(self): return "Loading " + str(self) def use(self): """mark the filesystem-object as used at the current time""" self.last_used = time() def is_older_than(self, seconds): """returns whether this object wasn't use()d in the last n seconds""" if seconds < 0: return True return self.last_used + seconds < time() def go(self, history=True): # pylint: disable=invalid-name """enter the directory if the filemanager is running""" if self.fm: return self.fm.enter_dir(self.path, history=history) return False def empty(self): """Is the directory empty?""" return not self.files def set_linemode_of_children(self, mode): for fobj in self.files: fobj.set_linemode(mode) def __nonzero__(self): """Always True""" return True __bool__ = __nonzero__ def __len__(self): """The number of containing files""" assert self.accessible assert self.content_loaded assert self.files is not None return len(self.files) def __eq__(self, other): """Check for equality of the directories paths""" return isinstance(other, Directory) and self.path == other.path def __neq__(self, other): """Check for inequality of the directories paths""" return not self.__eq__(other) def __hash__(self): return hash(self.path)
class Directory( # pylint: disable=too-many-instance-attributes,too-many-public-methods FileSystemObject, Accumulator, Loadable): is_directory = True enterable = False load_generator = None cycle_list = None loading = False progressbar_supported = True flat = 0 filenames = None files = None files_all = None filter = None temporary_filter = None narrow_filter = None inode_type_filter = None marked_items = None scroll_begin = 0 mount_path = '/' disk_usage = 0 last_update_time = -1 load_content_mtime = -1 order_outdated = False content_outdated = False content_loaded = False has_vcschild = False _vcs_signal_handler_installed = False cumulative_size_calculated = False sort_dict = { 'basename': sort_by_basename, 'natural': sort_naturally, 'size': lambda path: -(path.size or 1), 'mtime': lambda path: -(path.stat and path.stat.st_mtime or 1), 'ctime': lambda path: -(path.stat and path.stat.st_ctime or 1), 'atime': lambda path: -(path.stat and path.stat.st_atime or 1), 'random': lambda path: random.random(), 'type': lambda path: path.mimetype or '', 'extension': lambda path: path.extension or '', } def __init__(self, path, **kw): assert not os.path.isfile(path), "No directory given!" Loadable.__init__(self, None, None) Accumulator.__init__(self) FileSystemObject.__init__(self, path, **kw) self.marked_items = [] self._signal_functions = [] func = self.signal_function_factory(self.sort) self._signal_functions += [func] for opt in ('sort_directories_first', 'sort', 'sort_reverse', 'sort_case_insensitive'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) func = self.signal_function_factory(self.refilter) self._signal_functions += [func] for opt in ('hidden_filter', 'show_hidden'): self.settings.signal_bind('setopt.' + opt, func, weak=True, autosort=False) self.settings = LocalSettings(path, self.settings) self.use() @lazy_property def vcs(self): if not self._vcs_signal_handler_installed: self.settings.signal_bind( 'setopt.vcs_aware', self.vcs__reset, # pylint: disable=no-member weak=True, autosort=False, ) self._vcs_signal_handler_installed = True if self.settings.vcs_aware: return Vcs(self) def signal_function_factory(self, function): def signal_function(): self.load_if_outdated() if not self.exists: return function() return signal_function def request_resort(self): self.order_outdated = True def request_reload(self): self.content_outdated = True def get_list(self): return self.files def mark_item(self, item, val): item.mark_set(val) if val: if item in self.files and item not in self.marked_items: self.marked_items.append(item) else: while True: try: self.marked_items.remove(item) except ValueError: break def toggle_mark(self, item): self.mark_item(item, not item.marked) def toggle_all_marks(self): for item in self.files: self.toggle_mark(item) def mark_all(self, val): for item in self.files: self.mark_item(item, val) if not val: del self.marked_items[:] self._clear_marked_items() # XXX: Is it really necessary to have the marked items in a list? # Can't we just recalculate them with [f for f in self.files if f.marked]? def _gc_marked_items(self): for item in list(self.marked_items): if item.path not in self.filenames: self.marked_items.remove(item) def _clear_marked_items(self): for item in self.marked_items: item.mark_set(False) del self.marked_items[:] def get_selection(self): """READ ONLY""" self._gc_marked_items() if not self.files: return [] if self.marked_items: return [item for item in self.files if item.marked] elif self.pointed_obj: return [self.pointed_obj] return [] def refilter(self): if self.files_all is None: return # propably not loaded yet self.last_update_time = time() filters = [] if not self.settings.show_hidden and self.settings.hidden_filter: hidden_filter = re.compile(self.settings.hidden_filter) hidden_filter_search = hidden_filter.search def hidden_filter_func(fobj): for comp in fobj.relative_path.split(os.path.sep): if hidden_filter_search(comp): return False return True filters.append(hidden_filter_func) if self.narrow_filter: # pylint: disable=unsupported-membership-test # Pylint complains that self.narrow_filter is by default # None but the execution won't reach this line if it is # still None. filters.append(lambda fobj: fobj.basename in self.narrow_filter) if self.settings.global_inode_type_filter or self.inode_type_filter: def inode_filter_func(obj): # Use local inode_type_filter if present, global otherwise inode_filter = self.inode_type_filter or self.settings.global_inode_type_filter # Apply filter if InodeFilterConstants.DIRS in inode_filter and \ obj.is_directory: return True elif InodeFilterConstants.FILES in inode_filter and \ obj.is_file and not obj.is_link: return True elif InodeFilterConstants.LINKS in inode_filter and \ obj.is_link: return True return False filters.append(inode_filter_func) if self.filter: filter_search = self.filter.search filters.append(lambda fobj: filter_search(fobj.basename)) if self.temporary_filter: temporary_filter_search = self.temporary_filter.search filters.append(lambda fobj: temporary_filter_search(fobj.basename)) self.files = [f for f in self.files_all if accept_file(f, filters)] # A fix for corner cases when the user invokes show_hidden on a # directory that contains only hidden directories and hidden files. if self.files and not self.pointed_obj: self.pointed_obj = self.files[0] elif not self.files: self.content_loaded = False self.pointed_obj = None self.move_to_obj(self.pointed_obj) # XXX: Check for possible race conditions # pylint: disable=too-many-locals,too-many-branches,too-many-statements def load_bit_by_bit(self): """An iterator that loads a part on every next() call Returns a generator which load a part of the directory in each iteration. """ self.loading = True self.percent = 0 self.load_if_outdated() basename_is_rel_to = self.path if self.flat else None try: # pylint: disable=too-many-nested-blocks if self.runnable: yield mypath = self.path self.mount_path = mount_path(mypath) if self.flat: filelist = [] for dirpath, dirnames, filenames in walklevel(mypath, self.flat): dirlist = [ os.path.join("/", dirpath, d) for d in dirnames if self.flat == -1 or (dirpath.count(os.path.sep) - mypath.count(os.path.sep)) <= self.flat ] filelist += dirlist filelist += [os.path.join("/", dirpath, f) for f in filenames] filenames = filelist self.load_content_mtime = mtimelevel(mypath, self.flat) else: filelist = os.listdir(mypath) filenames = [mypath + (mypath == '/' and fname or '/' + fname) for fname in filelist] self.load_content_mtime = os.stat(mypath).st_mtime if self.cumulative_size_calculated: # If self.content_loaded is true, this is not the first # time loading. So I can't really be sure if the # size has changed and I'll add a "?". if self.content_loaded: if self.fm.settings.autoupdate_cumulative_size: self.look_up_cumulative_size() else: self.infostring = ' %s' % human_readable( self.size, separator='? ') else: self.infostring = ' %s' % human_readable(self.size) else: self.size = len(filelist) self.infostring = ' %d' % self.size if self.is_link: self.infostring = '->' + self.infostring yield marked_paths = [obj.path for obj in self.marked_items] files = [] disk_usage = 0 has_vcschild = False for name in filenames: try: file_lstat = os_lstat(name) if file_lstat.st_mode & 0o170000 == 0o120000: file_stat = os_stat(name) else: file_stat = file_lstat except OSError: file_lstat = None file_stat = None if file_lstat and file_stat: stats = (file_stat, file_lstat) is_a_dir = file_stat.st_mode & 0o170000 == 0o040000 else: stats = None is_a_dir = False if is_a_dir: item = self.fm.get_directory(name, preload=stats, path_is_abs=True, basename_is_rel_to=basename_is_rel_to) item.load_if_outdated() if self.flat: item.relative_path = os.path.relpath(item.path, self.path) else: item.relative_path = item.basename item.relative_path_lower = item.relative_path.lower() if item.vcs and item.vcs.track: if item.vcs.is_root_pointer: has_vcschild = True else: item.vcsstatus = \ item.vcs.rootvcs.status_subpath( # pylint: disable=no-member os.path.join(self.realpath, item.basename), is_directory=True, ) else: item = File(name, preload=stats, path_is_abs=True, basename_is_rel_to=basename_is_rel_to) item.load() disk_usage += item.size if self.vcs and self.vcs.track: item.vcsstatus = \ self.vcs.rootvcs.status_subpath( # pylint: disable=no-member os.path.join(self.realpath, item.basename)) files.append(item) self.percent = 100 * len(files) // len(filenames) yield self.has_vcschild = has_vcschild self.disk_usage = disk_usage self.filenames = filenames self.files_all = files self._clear_marked_items() for item in self.files_all: if item.path in marked_paths: item.mark_set(True) self.marked_items.append(item) else: item.mark_set(False) self.sort() if files: if self.pointed_obj is not None: self.sync_index() else: self.move(to=0) else: self.filenames = None self.files_all = None self.files = None self.cycle_list = None self.content_loaded = True self.last_update_time = time() self.correct_pointer() finally: self.loading = False self.fm.signal_emit("finished_loading_dir", directory=self) if self.vcs: self.fm.ui.vcsthread.process(self) # pylint: enable=too-many-locals,too-many-branches,too-many-statements def unload(self): self.loading = False self.load_generator = None def load_content(self, schedule=None): """Loads the contents of the directory. Use this sparingly since it takes rather long. """ self.content_outdated = False if self.settings.freeze_files: return if not self.loading: if not self.loaded: self.load() if not self.accessible: self.content_loaded = True return if schedule is None: schedule = True # was: self.size > 30 if self.load_generator is None: self.load_generator = self.load_bit_by_bit() if schedule and self.fm: self.fm.loader.add(self) else: for _ in self.load_generator: pass self.load_generator = None elif not schedule or not self.fm: for _ in self.load_generator: pass self.load_generator = None def sort(self): """Sort the contained files""" if self.files_all is None: return try: sort_func = self.sort_dict[self.settings.sort] except KeyError: sort_func = sort_by_basename if self.settings.sort_case_insensitive and \ sort_func == sort_by_basename: sort_func = sort_by_basename_icase if self.settings.sort_case_insensitive and \ sort_func == sort_naturally: sort_func = sort_naturally_icase # XXX Does not work with usermade sorting functions :S if self.settings.sort_unicode: if sort_func in (sort_naturally, sort_naturally_icase): sort_func = sort_unicode_wrapper_list(sort_func) elif sort_func in (sort_by_basename, sort_by_basename_icase): sort_func = sort_unicode_wrapper_string(sort_func) self.files_all.sort(key=sort_func) if self.settings.sort_reverse: self.files_all.reverse() if self.settings.sort_directories_first: self.files_all.sort(key=sort_by_directory) self.refilter() def _get_cumulative_size(self): if self.size == 0: return 0 cum = 0 realpath = os.path.realpath for dirpath, _, filenames in os.walk(self.path, onerror=lambda _: None): for fname in filenames: try: if dirpath == self.path: stat = os_stat(realpath(dirpath + "/" + fname)) else: stat = os_stat(dirpath + "/" + fname) except OSError: continue cum += stat.st_size return cum def look_up_cumulative_size(self): self.cumulative_size_calculated = True self.size = self._get_cumulative_size() self.infostring = ('-> ' if self.is_link else ' ') + human_readable(self.size) @lazy_property def size(self): # pylint: disable=method-hidden try: if self.fm.settings.automatically_count_files: size = len(os.listdir(self.path)) else: size = None except OSError: self.infostring = BAD_INFO self.accessible = False self.runnable = False return 0 else: if size is None: self.infostring = '' else: self.infostring = ' %d' % size self.accessible = True self.runnable = True return size @lazy_property def infostring(self): # pylint: disable=method-hidden self.size # trigger the lazy property initializer pylint: disable=pointless-statement if self.is_link: return '->' + self.infostring return self.infostring @lazy_property def runnable(self): # pylint: disable=method-hidden self.size # trigger the lazy property initializer pylint: disable=pointless-statement return self.runnable def sort_if_outdated(self): """Sort the containing files if they are outdated""" if self.order_outdated: self.order_outdated = False self.sort() return True return False def move_to_obj(self, arg, attr=None): try: arg = arg.path except AttributeError: pass self.load_content_once(schedule=False) if self.empty(): return Accumulator.move_to_obj(self, arg, attr='path') def search_fnc(self, fnc, offset=1, forward=True): length = len(self) if forward: generator = ((self.pointer + (x + offset)) % length for x in range(length - 1)) else: generator = ((self.pointer - (x + offset)) % length for x in range(length - 1)) for i in generator: _file = self.files[i] if fnc(_file): self.pointer = i self.pointed_obj = _file self.correct_pointer() return True return False def set_cycle_list(self, lst): self.cycle_list = deque(lst) def cycle(self, forward=True): if self.cycle_list: if forward is True: self.cycle_list.rotate(-1) elif forward is False: self.cycle_list.rotate(1) self.move_to_obj(self.cycle_list[0]) def correct_pointer(self): """Make sure the pointer is in the valid range""" Accumulator.correct_pointer(self) if self == self.fm.thisdir: try: self.fm.thisfile = self.pointed_obj except AttributeError: pass def load_content_once(self, *a, **k): """Load the contents of the directory if not done yet""" if not self.content_loaded: self.load_content(*a, **k) return True return False def load_content_if_outdated(self, *a, **k): """Load the contents of the directory if outdated""" if self.load_content_once(*a, **k): return True if self.files_all is None or self.content_outdated: self.load_content(*a, **k) return True try: if self.flat: real_mtime = mtimelevel(self.path, self.flat) else: real_mtime = os.stat(self.path).st_mtime except OSError: real_mtime = None return False if self.stat: cached_mtime = self.load_content_mtime else: cached_mtime = 0 if real_mtime != cached_mtime: self.load_content(*a, **k) return True return False def get_description(self): return "Loading " + str(self) def use(self): """mark the filesystem-object as used at the current time""" self.last_used = time() def is_older_than(self, seconds): """returns whether this object wasn't use()d in the last n seconds""" if seconds < 0: return True return self.last_used + seconds < time() def go(self, history=True): # pylint: disable=invalid-name """enter the directory if the filemanager is running""" if self.fm: return self.fm.enter_dir(self.path, history=history) return False def empty(self): """Is the directory empty?""" return not self.files def set_linemode_of_children(self, mode): for fobj in self.files: fobj.set_linemode(mode) def __nonzero__(self): """Always True""" return True __bool__ = __nonzero__ def __len__(self): """The number of containing files""" assert self.accessible assert self.content_loaded assert self.files is not None return len(self.files) def __eq__(self, other): """Check for equality of the directories paths""" return isinstance(other, Directory) and self.path == other.path def __neq__(self, other): """Check for inequality of the directories paths""" return not self.__eq__(other) def __hash__(self): return hash(self.path)