[Pycodeocr-main] SF.net SVN: pycodeocr:[40] branches/laserb/Modules

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

Revision: 40
          http://pycodeocr.svn.sourceforge.net/pycodeocr/?rev=40&view=rev
Author:   laserb
Date:     2011-03-01 16:56:31 +0000 (Tue, 01 Mar 2011)

Log Message:
-----------
make it runable

Added Paths:
-----------
    branches/laserb/Modules/RunExternal.py
    branches/laserb/Modules/__init__.py
    branches/laserb/Modules/checksum.py

Added: branches/laserb/Modules/RunExternal.py
===================================================================
--- branches/laserb/Modules/RunExternal.py	                        (rev 0)
+++ branches/laserb/Modules/RunExternal.py	2011-03-01 16:56:31 UTC (rev 40)
@@ -0,0 +1,29 @@
+## Run external shell command/application.
+import subprocess
+class RunExternal:
+
+	error_msg = [ "/bin/sh: " ]
+
+	## initialize
+	def __init__(self, cmd, error_msg):
+		self.cmd        = cmd
+		self.error_msg += error_msg
+
+	## call
+	def __call__(self):
+		(self.error, self.stdout, self.stderr) = self._run()
+		return self.error
+
+	## Execute external shell command.
+	def _run(self, piped=True):
+		if piped:
+			run = subprocess.Popen( self.cmd,
+						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)
+		else:
+			os.system( self.cmd )
+			return (False, "", "")

Added: branches/laserb/Modules/__init__.py
===================================================================
Added: branches/laserb/Modules/checksum.py
===================================================================
--- branches/laserb/Modules/checksum.py	                        (rev 0)
+++ branches/laserb/Modules/checksum.py	2011-03-01 16:56:31 UTC (rev 40)
@@ -0,0 +1,19 @@
+## @file checksum.py
+# Modulo 10 checksum for e-banking codes
+class modulo10:
+	# thanks to http://www.hosang.ch/modulo10.aspx
+	# much more details http://www.sic.ch/de/dl_tkicch_dta.pdf ( page 51 )
+	# @see http://www.bundesbank.de/download/zahlungsverkehr/zv_pz201012.pdf
+	# @see http://www.bundesbank.de/zahlungsverkehr/zahlungsverkehr_pruefziffernberechnung.php
+	def __init__(self):
+		self.tabelle = [0,9,4,6,8,2,7,1,3,5]
+	
+	def run(self,nr):
+		self.uebertrag = 0
+		# iterate over each character
+		for i in range(len(nr)):
+			self.uebertrag = self.tabelle[(self.uebertrag + int(nr[i]) )%10]
+		
+		return (10-self.uebertrag)%10
+			
+		


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