/usr/share/pyshared/Eikazo/postprocessing/procinfo.py is in eikazo 0.5.2-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (c) Abel Deuring 2006 <adeuring@gmx.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
collect information about available filter plugins
"""
import os, sys, traceback, time
import gtk
from Eikazo import I18n, Processor, Config
t = I18n.get_translation('eikazo')
if t:
_ = t.gettext
else:
_ = lambda x: x
N_ = lambda x: x
DEBUG = 1
# for the definition of the sort order
RGB=1
GRAY=2
BILEVEL=3
def outputinfo():
""" return a list of known output classes
"""
# common processor class for filters
# - queue length is fixed to 1
# - if the filter is disabled, all methods call the
# same method of the output resp. input
class ScanJobFilterProcessor(Processor.SaneThreadingQueueingProcessor):
def __init__(self, paramsadm, input_producer, notify_hub,
filtername, enabled):
""" input_producer, queue_length: see base classes
paramsadm: instance of a class which can return
"""
Processor.SaneThreadingQueueingProcessor.__init__(self,
input_producer, notify_hub, 1)
self.errorjobs = []
self.paramsadm = paramsadm
self.start()
self.status = 0
self.filtername = filtername
self.enabled = enabled
def enable(self, v):
self.enabled = v
def append(self, job):
if self.enabled:
Processor.SaneThreadingQueueingProcessor.append(self, job)
job.status[self.filtername] = _('queued by %s') % self.filtername
job.owner = self
self.notify('status changed', job)
else:
self.send_toOutput(job)
def can_append(self, job):
if self.enabled:
return Processor.SaneThreadingQueueingProcessor.can_append(self, job)
else:
if self.output:
res = [x.can_append(job) for x in self.output]
return reduce(lambda x,y: x and y, res)
else:
return True
def numjobs(self, cascade):
self.queuelock.acquire()
res = len(self.queue) + len(self.errorjobs)
if self.status != 0:
res += 1
self.queuelock.release()
return res
def run(self):
while not self.abort:
if len(self.queue) and not self.errorjobs:
self.queuelock.acquire()
job = self.queue.pop(0)
self.status = 1 # writing
self.queuelock.release()
job.set_active(True)
try:
job.status[self.filtername] = _('processed by %s' % self.filtername)
self.notify('status changed', job)
self.paramsadm.filter(job)
del job.status[self.filtername]
self.send_toOutput(job)
if job.owner == self:
self.notify('removed', job)
except:
job.error = sys.exc_info()
job.status[self.filtername] = _('filter error: %s' % self.filtername)
if DEBUG:
print str(job.error[0]), str(job.error[1])
traceback.print_tb(job.error[2])
self.notify('status changed', job)
self.errorjobs.append(job)
job.set_active(False)
self.status = 0 # idle
else:
time.sleep(0.1)
# base class for output providers
class ProcessingProvider(Config.ConfigAware):
# derived classes must define these attributes:
# - name: Name of the output. Shown in a UI tab. (class attribute)
# - processor: A Processor.Processor instance
# - widget: The GUI widget for the processing provider
# - connectlabel: Text to show for the "enbale filter" checkbutton
def __init__(self, notify_hub, enabled, config):
Config.ConfigAware.__init__(self, config)
self.processor_input = None
self.enabled = enabled
self.name_label = gtk.HBox()
self.name_label_icon = gtk.Image()
self.name_label_icon.set_from_stock(gtk.STOCK_CANCEL, 1)
self.name_label.pack_start(self.name_label_icon,
expand=False, fill=True)
self.name_label_icon.show()
w = gtk.Label(_(self.name))
self.name_label.pack_start(w, expand=False, fill=True)
w.show()
self.connect_widget = gtk.CheckButton(_(self.connectlabel))
self.connect_widget.set_active(self.enabled)
self.connect_widget.connect("toggled", self.cb_connect_widget)
def cb_connect_widget(self, w):
v = w.get_active()
self.enable_filter(v)
def get_widget(self):
return self.widget
def get_name(self):
return self.name
def get_name_label(self):
return self.name_label
def get_processor(self):
return self.processor
def get_connect_widget(self):
return self.connect_widget
def set_processor_input(self, input):
self.processor_input = input
self.processor.set_input(input)
def enable_filter(self, v):
if v != self.enabled:
self.enabled = v
self.connect_widget.set_active(v)
self.processor.enable(v)
if v:
self.name_label_icon.set_from_stock(gtk.STOCK_OK, 1)
else:
self.name_label_icon.set_from_stock(gtk.STOCK_CANCEL, 1)
def readConfig(self):
val = self.config.getboolean('postprocessing', self.name + '-enable')
if val != None:
self.enable_filter(val)
def writeConfig(self):
self.config.set('postprocessing', self.name + '-enable', str(self.enabled))
def register():
return [ScanToFile]
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