[Pycodeocr-main] SF.net SVN: pycodeocr:[19] PyCodeOCR.py

[<la...@us...>]

Revision: 19
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=19&view=rev
Author:   laserb
Date:     2010-09-06 16:33:29 +0000 (Mon, 06 Sep 2010)

Log Message:
-----------
Simple fix to support orientation where it is needed.

Modified Paths:
--------------
    PyCodeOCR.py

Modified: PyCodeOCR.py
===================================================================
--- PyCodeOCR.py	2010-09-06 16:28:39 UTC (rev 18)
+++ PyCodeOCR.py	2010-09-06 16:33:29 UTC (rev 19)
@@ -2,13 +2,13 @@
 # -*- coding: utf-8 -*-
 
 
-# python standard modules
+# python standard modules
 import os, re, sys, subprocess, time
 
-# GTK, PyGTK, GLADE (GNOME) modules
+# GTK, PyGTK, GLADE (GNOME) modules
 import pygtk
 pygtk.require('2.0')
-import gtk, gtk.glade
+import gtk, gtk.glade
 import gobject
 
 # PIL image library and it's SANE bindings
@@ -57,12 +57,12 @@
 # MainWindow
 # The GUI was created/designed using GLADE
 #
-class MainWindowGTK:
+class MainWindowGTK:
 	"""
 	PyCodeOCR main GUI window and application class.
 	"""
 
-	# initialization
+	# initialization
 	# (variables)
 	max_retry      = 3						# max. scan attempts
 	valid_code_len = [ 53, 42, 32 ]					# valid code lenghts
@@ -91,13 +91,13 @@
 		""" ... """
 		# retrieve widgets
 		self.gladefile		= raw_path + ".glade"
-		self.xml		= gtk.glade.XML(self.gladefile)
-		self.window1		= self.xml.get_widget('window1')
+		self.xml		= gtk.glade.XML(self.gladefile)
+		self.window1		= self.xml.get_widget('window1')
 		self.togglebutton1	= self.xml.get_widget('togglebutton1')
 		self.button2		= self.xml.get_widget('button2')
 		self.image1		= self.xml.get_widget('image1')
 		self.entry1		= self.xml.get_widget('entry1')
-		self.progressbar1	= self.xml.get_widget('progressbar1')
+		self.progressbar1	= self.xml.get_widget('progressbar1')
 		self.combobox1		= self.xml.get_widget('combobox1')
 		self.combobox2		= self.xml.get_widget('combobox2')
 		self.spinbutton1        = self.xml.get_widget('spinbutton1')
@@ -151,7 +151,6 @@
 
 	def on_combobox1_changed(self, source=None, event=None):
 		""" Combobox changed signal handler. """
-		#orient = self.combobox1.get_active()
 		orient = self.combobox1.get_model()[self.combobox1.get_active()][0]
 
 		self.spinbutton1.set_value(std_scan_koords[orient][0][0])
@@ -224,8 +223,9 @@
 				'valid_code_len':	self.valid_code_len,
 				'resolution':		600, }
 		elif	(op_mode == self.MDE['barcode']):		# 1: barcode (gocr)
+			self.on_combobox1_changed()			# orientation mode
 			self.scan_koords = std_scan_koords["A4"][0]
-			self.mode        = std_scan_koords["A4"][1]
+			#self.mode        = std_scan_koords["A4"][1]
 			opt = { 'tmp_file':		"02.pnm",
 				'recog_class':		RunExternal,
 				'recog_cmd':		self.cmd_gocr % (self.temp+"02",),
@@ -233,6 +233,7 @@
 				'valid_code_len':	[ 13, 10, 9 ],
 				'resolution':		300, }
 		elif	(op_mode == self.MDE['DataMatrix']):		# 2: DataMatrix (libdmtx)
+			#self.on_combobox1_changed()			# orientation mode
 			self.scan_koords = std_scan_koords["A4"][0]
 			self.mode        = std_scan_koords["A4"][1]
 			opt = { 'tmp_file':		"02.jpg",					# some issues with recogition
@@ -282,7 +283,6 @@
 		# Adjust and rotate the retrieved data
 		# (2/?)
 		self.progress(2./max_steps, "Adjusting image/picture data...")
-		#mode = 90 * self.combobox1.get_active()
 		mode = self.mode
 		self.run_convert = RunExternal(self.cmd_convert % (inp_file, mode, self.temp+opt['tmp_file']), error_msg=[ "convert: unable to open image" ])
 #		self.run_convert = RunMagickWand(inp_file, mode*90, self.temp+opt['tmp_file'])
@@ -312,12 +312,18 @@
 			return None
 
 		if	(op_mode == self.MDE['invoices']):	# 0: invoices
-			df = file(self.temp+"03.txt", "r")
-			data = df.read(-1)
-			df.close()
-			origdata = data
-
-			os.remove(self.temp+"03.txt")		# clean-up
+			# Simple workaround: The program simply continuous if no text is found at all
+			# and therefore no txt-file is generated.
+			if not os.path.exists(self.temp+"03.txt"):
+				origdata = "$"
+				data = "$"
+			else:
+				df = file(self.temp+"03.txt", "r")
+				data = df.read(-1)
+				df.close()
+				origdata = data
+				os.remove(self.temp+"03.txt")		# clean-up
+				
 		elif	(op_mode == self.MDE['barcode']):	# 1: barcode
 			# (cheap'n'ugly but working...)
 			raw_data = self.regex_gocr.search(self.run_recognition.stdout).groups()
@@ -527,9 +533,9 @@
 		""" Execute external shell command. """
 		if piped:
 			run = subprocess.Popen( self.cmd,
-						stdin =subprocess.PIPE, 
-						stdout=subprocess.PIPE, 
-						stderr=subprocess.PIPE, 
+						stdin =subprocess.PIPE, 
+						stdout=subprocess.PIPE, 
+						stderr=subprocess.PIPE, 
 						shell=True )
 			(stdoutdata, stderrdata) = run.communicate()
 			return ((max(map(stderrdata.find, self.error_msg)) != -1), stdoutdata, stderrdata)


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