diff options
Diffstat (limited to 'ranger/fsobject/fsobject.py')
| -rw-r--r-- | ranger/fsobject/fsobject.py | 225 |
1 files changed, 111 insertions, 114 deletions
diff --git a/ranger/fsobject/fsobject.py b/ranger/fsobject/fsobject.py index 6bb8b6ec..afef48e4 100644 --- a/ranger/fsobject/fsobject.py +++ b/ranger/fsobject/fsobject.py @@ -13,12 +13,11 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -CONTAINER_EXTENSIONS = 'rar zip tar gz bz bz2 tgz 7z iso cab'.split() +CONTAINER_EXTENSIONS = ('7z', 'ace', 'ar', 'arc', 'bz', 'bz2', 'cab', 'cpio', + 'cpt', 'dgc', 'dmg', 'gz', 'iso', 'jar', 'msi', 'pkg', 'rar', 'shar', + 'tar', 'tbz', 'tgz', 'xar', 'xz', 'zip') -import stat -import os -from stat import S_ISLNK, S_ISCHR, S_ISBLK, S_ISSOCK, S_ISFIFO, \ - S_ISDIR, S_IXUSR +from os import access, listdir, lstat, readlink, stat from time import time from os.path import abspath, basename, dirname, realpath from . import BAD_INFO @@ -28,44 +27,46 @@ from ranger.ext.spawn import spawn from ranger.ext.human_readable import human_readable class FileSystemObject(MimeTypeAware, FileManagerAware): - is_file = False - is_directory = False - content_loaded = False - force_load = False - path = None - basename = None - basename_lower = None - _shell_escaped_basename = None - _filetype = None - dirname = None - extension = None - exists = False - accessible = False - marked = False - tagged = False - loaded = False - runnable = False - is_link = False - is_device = False - is_socket = False - is_fifo = False - readlink = None - stat = None - infostring = None - permissions = None - size = 0 - - last_used = None + (_filetype, + _shell_escaped_basename, + basename, + basename_lower, + dirname, + extension, + infostring, + last_used, + path, + permissions, + stat) = (None,) * 11 + + (content_loaded, + force_load, + + is_device, + is_directory, + is_file, + is_fifo, + is_link, + is_socket, + + accessible, + exists, + loaded, + marked, + runnable, + stopped, + tagged, + + audio, + container, + document, + image, + media, + video) = (False,) * 21 - stopped = False - - video = False - image = False - audio = False - media = False - document = False - container = False mimetype_tuple = () + size = 0 + def __init__(self, path, preload=None, path_is_abs=False): MimeTypeAware.__init__(self) @@ -167,33 +168,6 @@ class FileSystemObject(MimeTypeAware, FileManagerAware): """Called by directory.mark_item() and similar functions""" self.marked = bool(boolean) - def determine_infostring(self): - self.size = 0 - if self.is_device: - self.infostring = 'dev' - elif self.is_fifo: - self.infostring = 'fifo' - elif self.is_socket: - self.infostring = 'sock' - elif self.is_directory: - try: - self.size = len(os.listdir(self.path)) # bite me - except OSError: - self.infostring = BAD_INFO - self.accessible = False - else: - self.infostring = ' %d' % self.size - self.accessible = True - self.runnable = True - elif self.is_file: - if self.stat: - self.size = self.stat.st_size - self.infostring = ' ' + human_readable(self.size) - else: - self.infostring = BAD_INFO - if self.is_link: - self.infostring = '->' + self.infostring - def load(self): """ reads useful information about the filesystem-object from the @@ -202,82 +176,104 @@ class FileSystemObject(MimeTypeAware, FileManagerAware): self.loaded = True - # Get the stat object, either from preload or from os.[l]stat - self.stat = None + # Get the stat object, either from preload or from [l]stat + new_stat = None + path = self.path if self.preload: - self.stat = self.preload[1] - self.is_link = S_ISLNK(self.stat.st_mode) - if self.is_link: - self.stat = self.preload[0] + new_stat = self.preload[1] + is_link = (new_stat.st_mode & 0o120000) == 0o120000 + if is_link: + new_stat = self.preload[0] self.preload = None else: try: - self.stat = os.lstat(self.path) + new_stat = lstat(path) + is_link = (new_stat.st_mode & 0o120000) == 0o120000 + if is_link: + new_stat = stat(path) except: pass - else: - self.is_link = S_ISLNK(self.stat.st_mode) - if self.is_link: - try: - self.stat = os.stat(self.path) - except: - pass # Set some attributes - if self.stat: - mode = self.stat.st_mode - self.is_device = bool(S_ISCHR(mode) or S_ISBLK(mode)) - self.is_socket = bool(S_ISSOCK(mode)) - self.is_fifo = bool(S_ISFIFO(mode)) + if new_stat: + mode = new_stat.st_mode self.accessible = True - if os.access(self.path, os.F_OK): + self.is_device = (mode & 0o060000) == 0o060000 + self.is_fifo = (mode & 0o010000) == 0o010000 + self.is_link = is_link + self.is_socket = (mode & 0o140000) == 0o140000 + if access(path, 0): self.exists = True - if S_ISDIR(mode): - self.runnable = bool(mode & S_IXUSR) + if self.is_directory: + self.runnable = (mode & 0o0100) == 0o0100 else: self.exists = False self.runnable = False - if self.is_link: - self.realpath = realpath(self.path) - self.readlink = os.readlink(self.path) + if is_link: + try: + self.realpath = realpath(path) + except OSError: + pass # it is impossible to get the link destination else: self.accessible = False - self.determine_infostring() + # Determine infostring + if self.is_file: + if new_stat: + self.size = new_stat.st_size + self.infostring = ' ' + human_readable(self.size) + else: + self.size = 0 + self.infostring = '?' + elif self.is_directory: + try: + self.size = len(listdir(path)) # bite me + except OSError: + self.size = 0 + self.infostring = '?' + self.accessible = False + else: + self.infostring = ' %d' % self.size + self.accessible = True + self.runnable = True + elif self.is_device: + self.size = 0 + self.infostring = 'dev' + elif self.is_fifo: + self.size = 0 + self.infostring = 'fifo' + elif self.is_socket: + self.size = 0 + self.infostring = 'sock' + if self.is_link: + self.infostring = '->' + self.infostring + + self.stat = new_stat def get_permission_string(self): if self.permissions is not None: return self.permissions - try: - mode = self.stat.st_mode - except: - return '----??----' - - if S_ISDIR(mode): + if self.is_directory: perms = ['d'] - elif S_ISLNK(mode): + elif self.is_link: perms = ['l'] else: perms = ['-'] - for who in ("USR", "GRP", "OTH"): - for what in "RWX": - if mode & getattr(stat, "S_I" + what + who): - perms.append(what.lower()) + mode = self.stat.st_mode + test = 0o0400 + while test: # will run 3 times because 0o400 >> 9 = 0 + for what in "rwx": + if mode & test: + perms.append(what) else: perms.append('-') + test >>= 1 self.permissions = ''.join(perms) return self.permissions - def load_once(self): - """calls load() if it has not been called at least once yet""" - if not self.loaded: - self.load() - return True - return False - def go(self): """enter the directory if the filemanager is running""" if self.fm: @@ -289,10 +285,11 @@ class FileSystemObject(MimeTypeAware, FileManagerAware): Calls load() if the currently cached information is outdated or nonexistant. """ - if self.load_once(): + if not self.loaded: + self.load() return True try: - real_mtime = os.lstat(self.path).st_mtime + real_mtime = lstat(self.path).st_mtime except OSError: real_mtime = None if self.stat: |