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import os, os.path, stat, sys
import gobject, gtk
from threading import Thread
import time
class sum_list:
data = []
the_sum = 0
name = None
def __init__(self, l, name = None):
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)
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 """
l = []
i = 0
subdirectories = {}
try:
for fn in os.listdir(path):
if not self.showhidden and fn[0] == '.': continue
try: p = os.path.join(path, fn)
except: continue
s = os.lstat(p)
if stat.S_ISDIR(s.st_mode):
subdirectories[i] = (fn,p);
l.append((fn, s.st_size))
elif stat.S_ISREG(s.st_mode):
l.append((fn, s.st_size))
i += 1
except:
pass
gtk.gdk.threads_enter()
self.emit("list-changed",sum_list(l, os.path.split(path)[-1]))
gtk.gdk.threads_leave()
c = 0
for n in subdirectories:
c += 1
# give gtk a breath to redraw
time.sleep(0.05)
# walk subdirectory
fn,p = subdirectories[n]
l[n] = (fn, self._build_tree(p));
if self.stopsignal: return
# emit signals
gtk.gdk.threads_enter()
self.emit("progress",c,len(subdirectories))
self.emit("list-changed",sum_list(l, os.path.split(path)[-1]))
gtk.gdk.threads_leave()
gtk.gdk.threads_enter()
self.emit("finished",sum_list(l, os.path.split(path)[-1]))
gtk.gdk.threads_leave()
print "finished walking",path
def _build_tree(self,path):
""" Parse directories recursively """
l = []
try:
# walk files in directory
subdirectories = []
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)
except: continue
s = os.lstat(p)
if stat.S_ISDIR(s.st_mode):
subdirectories.append( (fn,p) );
elif stat.S_ISREG(s.st_mode):
l.append((fn, s.st_size))
# add subdirectories after files
for fn,p in subdirectories:
l.append((fn, self._build_tree(p)))
if self.stopsignal: return sum_list([])
except:
pass
return sum_list(l, os.path.split(path)[-1])
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