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import ranger.fsobject
from ranger import file, debug
class NoDirectoryGiven(Exception):
pass
class Directory(ranger.fsobject.FSObject):
def __init__(self, path):
from os.path import isdir
if not isdir(path): raise NoDirectoryGiven()
ranger.fsobject.FSObject.__init__(self, path)
self.content_loaded = False
self.scheduled = False
self.enterable = False
self.filenames = None
self.files = None
self.filter = None
self.pointed_index = None
self.pointed_file = None
self.index = None
self.show_hidden = False
def set_filter(self, string):
self.filter = string
self.load_content()
def load_content(self):
from os.path import join, isdir, basename
from os import listdir
self.stop_if_frozen()
self.load_if_outdated()
self.content_loaded = True
if self.exists and self.runnable:
basenames = listdir(self.path)
mapped = map(lambda name: join(self.path, name), basenames)
self.filenames = list(mapped)
self.infostring = ' %d' % len(self.filenames) # update the infostring
self.files = []
for name in self.filenames:
if isinstance(self.filter, str) and self.filter in name: continue
if basename(name)[0] == '.': continue
if isdir(name):
f = Directory(name)
else:
f = file.File(name)
f.load()
self.files.append(f)
if len(self.files) > 0:
self.pointed_index = 0
self.pointed_file = self.files[0]
else:
self.filenames = None
self.files = None
self.infostring = ranger.fsobject.FSObject.BAD_INFO
# Notice: fm.env.cf should always point to the current file. If you
# modify the current directory with this function, make sure
# to update fm.env.cf aswell.
def move_pointer(self, relative=0, absolute=None):
i = self.pointed_index
if isinstance(absolute, int):
if absolute < 0:
absolute = len(self.files) + absolute
i = absolute
if isinstance(relative, int):
i += relative
self.pointed_index = i
self.fix_pointer()
return self.pointed_file
def fix_pointer(self):
i = self.pointed_index
if i >= len(self.files): i = len(self.files) - 1
if i < 0: i = 0
self.pointed_index = i
self.pointed_file = self[i]
def load_content_once(self):
self.stop_if_frozen()
if not self.content_loaded:
self.load_content()
return True
return False
def load_content_if_outdated(self):
self.stop_if_frozen()
if self.load_content_once(): return True
import os
real_mtime = os.stat(self.path).st_mtime
cached_mtime = self.stat.st_mtime
if real_mtime != cached_mtime:
self.load_content()
return True
return False
def __len__(self):
if not self.accessible: raise ranger.fsobject.NotLoadedYet()
return len(self.filenames)
def __getitem__(self, key):
if not self.accessible: raise ranger.fsobject.NotLoadedYet()
return self.files[key]
if __name__ == '__main__':
d = Directory('.')
d.load_filenames()
print(d.filenames)
print(d[1])
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