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import os, os.path, stat, sys, time
import gobject, gtk
from threading import Thread
class sum_list:
def __init__(self, l, name = None):
self.the_sum = 0
self.data = list(l)
self.name = name
for fn, i in self.data:
if isinstance(i, sum_list):
self.the_sum += i.the_sum
else:
self.the_sum += i
def __str__(self):
return self.name+": "+str(self.data)
def sort(self):
def cmp_fn(a, b):
a_dir = isinstance(a[1], sum_list)
b_dir = isinstance(b[1], sum_list)
if a_dir and not b_dir:
return 1
elif b_dir and not a_dir:
return -1
elif a_dir:
return cmp(a[1].the_sum, b[1].the_sum)
else:
return cmp(a[1], b[1])
self.data.sort(cmp_fn)
class FringWalker( gobject.GObject ):
__gsignals__ = {
'list-changed': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
'finished': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)),
'progress': (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE, (gobject.TYPE_INT,gobject.TYPE_INT)),
}
def __init__(self):
gobject.GObject.__init__(self)
self.thread = None
self.stopsignal = False
self.showhidden = False
def walk(self,path):
self.thread = Thread(None,self._parse,None,(path,))
self.stopsignal = False
print "start thread (%s)"%path
self.thread.start()
def stop(self):
if self.thread is None:
return
if not self.thread.isAlive():
self.thread = None
return
self.stopsignal = True
print "stopping thread:"
#self.thread.join()
print "ok"
def _parse(self,path):
""" Parse the root directory """
def progress_fn(c, l, r):
# emit signals
gtk.gdk.threads_enter()
self.emit("progress", c, l)
self.emit("list-changed", r)
gtk.gdk.threads_leave()
r = self._build_tree(path, progress_fn)
gtk.gdk.threads_enter()
self.emit("finished", r)
gtk.gdk.threads_leave()
print "finished walking", path
def _build_tree(self, path, progress_fn = None):
""" Parse directories recursively """
ret = []
tmp_dirs = []
try:
# walk files in directory
for fn in os.listdir(path):
if self.stopsignal:
return sum_list([])
if not self.showhidden and fn[0] == '.':
continue
try:
p = os.path.join(path, fn)
s = os.lstat(p)
except:
continue
if stat.S_ISDIR(s.st_mode):
tmp_dirs.append(fn);
elif stat.S_ISREG(s.st_mode):
ret.append((fn, s.st_size))
except OSError:
pass
try:
c = 0
for fn in tmp_dirs:
c += 1
if self.stopsignal:
return sum_list([])
try:
p = os.path.join(path, fn)
except:
continue
ret.append((fn, self._build_tree(p)))
if not (progress_fn is None):
r = sum_list(ret, os.path.split(path)[-1])
r.sort()
progress_fn(c, len(tmp_dirs), r)
except OSError:
pass
r = sum_list(ret, os.path.split(path)[-1])
r.sort()
return r
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