def extract_contents(self, tmp_dir):
try:
total = len(execute(["identify", self.get_filename()]).split("\n"))
basename, _, ext = self.get_basename().rpartition(".")
tmp_root = os.path.join(tmp_dir, "%s_%%04d.%s" % (basename, ext))
# http://www.imagemagick.org/Usage/anim_basics/#coalesce
child = pexpect.spawn("convert", ["-verbose",
self.get_filename(),
"-coalesce",
tmp_root])
index = 0
while True:
try:
child.expect(self.get_filename() + "\=\>")
index += 1
except pexpect.TIMEOUT:
pass
yield float(index) / total
except pexpect.EOF:
pass
except Exception as e:
print("Warning:", e)
def get_metadata(self):
info = [("Property", "Value")]
output = execute(["pdfinfo", self.get_filename()], check_retcode=False)
for line in filter(lambda x: x, output.split("\n")):
tokens = map(string.strip, line.split(":"))
info.append((tokens[0], string.join(tokens[1:], "")))
return info
def get_metadata(self):
ret = [("Filename", "Size", "Date", "Time")]
output = execute(["unzip", "-l", self.filename], check_retcode=False)
lines = output.split("\n")
for line in lines[3:-3]:
tokens = map(string.strip, filter(lambda x: x, line.split(" ")))
ret.append((string.join(tokens[3:], " "), Size(int(tokens[0])), tokens[1], tokens[2]))
return ret
def get_pixbuf(self):
tmp_root = os.path.join(tempfile.gettempdir(), "%s" % self.get_basename())
execute(["pdfimages", "-f", "1", "-l", "1", "-j",
self.get_filename(),
tmp_root])
for ext in ["jpg", "pbm", "ppm"]:
try:
tmp_img = "%s-000.%s" % (tmp_root, ext)
pixbuf = gtk.gdk.pixbuf_new_from_file(tmp_img)
for filename in glob.glob(tmp_root + "*"):
os.unlink(filename)
return pixbuf
except:
continue
print "Warning: unable to preview PDF file '%s'" % self.get_basename()
return GTKIconImage(gtk.STOCK_MISSING_IMAGE, 256).get_pixbuf()
def get_metadata(self):
info = [("Property", "Value")]
output = execute(["avconv", "-i", self.get_filename()], check_retcode=False)
for line in filter(lambda x: x, output.split("\n"))[4:]:
tokens = map(string.strip, line.split(":"))
if tokens[0].startswith("Stream"):
break # Stop when avconv starts to dump streams metadata
info.append((tokens[0], string.join(tokens[1:], ":")))
return info
def get_metadata(self):
ret = [("Filename", "Original Size", "Packed Size", "Ratio", "Date", "Time", "Attr")]
output = execute(["unrar", "l", "-c-", self.filename], check_retcode=False)
lines = output.split("\n")
for line in lines[7:-4]:
# 0 1 2 3 4 5 6 7 8 9
# Name Size Packed Ratio Date Time Attr CRC Meth Ver
# -9 -8 -7 -6 -5 -4 -3 -2 -1
tokens = list(map(string.strip, [x for x in line.split(" ") if x]))
ret.append((string.join(tokens[0:-9], " "),
Size(int(tokens[-9])),
Size(int(tokens[-8])),
tokens[-7],
tokens[-6],
tokens[-5],
tokens[-4]))
return ret
def extract_frame_at(self, second, output):
execute(["avconv", "-ss", str(second),
"-i", self.get_filename(),
"-vframes", "1",
"-an",
output])
def on_open_nautilus(self, widget):
execute(["nautilus", self.curdir])
