[jboss-svn-commits] JBL Code SVN: r15321 - labs/jbossrules/trunk/drools-decisiontables/src/main/resources/python-dt.

[jboss-svn-commits at lists.jboss.org]

Author: michael.neale at jboss.com
Date: 2007-09-24 02:48:31 -0400 (Mon, 24 Sep 2007)
New Revision: 15321

Removed:
   labs/jbossrules/trunk/drools-decisiontables/src/main/resources/python-dt/PyDT.py
Log:
not needed

Deleted: labs/jbossrules/trunk/drools-decisiontables/src/main/resources/python-dt/PyDT.py
===================================================================
--- labs/jbossrules/trunk/drools-decisiontables/src/main/resources/python-dt/PyDT.py	2007-09-24 06:25:19 UTC (rev 15320)
+++ labs/jbossrules/trunk/drools-decisiontables/src/main/resources/python-dt/PyDT.py	2007-09-24 06:48:31 UTC (rev 15321)
@@ -1,119 +0,0 @@
-#this is PyDT - Python Decision Tables
-# (c) 2007 Michael Neale (michael at michaelneale.net)
-# Use entirely at your own risk !
-# Licenced under LGPL unless stated otherwise
-
-
-test_fact = { "Age" : 42, "Risk" : "'HIGH'", "PolicyType" : "'COMPREHENSIVE'" }
-
-test_table = {
-    "condition_headers" : [ ["A" , "Age"], ["B", "Risk =="], ["C", "PolicyType =="]],
-    "action_headers" : [ ["F","Premium"], ["G","Log"]],
-
-
-    "data" : [
-        {"row" : 2, "A" : "> 2", "B" : "'HIGH'", "C": "'COMPREHENSIVE'",  "F" : "245"},
-        {"row" : 3, "A" : "< 25 ", "B" : "'LOW'", "F" : "390"}
-        ]
-
-}
-
-#this is the actual "engine" if you can call it that.
-def process_dt(fact, table) :
-	def make_header(hdr) :
-	    splut = hdr[1].split(' ')
-	    if len(splut) > 1 :
-	    #if hdr[1].contains(' ') :
-	        #itms = hdr[1].split(' ')
-	        return [hdr[0], fact[splut[0]] + ' ' + splut[1]]
-	    else :
-	        return [hdr[0], fact[hdr[1]]]
-	#calc the headers
-	headers = map(make_header, table['condition_headers'])
-	#lets try a map based approach
-	def eval_table(row) :
-	    #go through all the conditions, evaluating
-	    def check_condition(condition) :
-	    #for condition in headers :
-	        col_index = condition[0]
-	        if not row.has_key(col_index) :
-	            return False
-	        cell_value = row[col_index]
-	        predicate = str(condition[1]) + str(cell_value)
-	        return not eval(predicate)
-	    size = len(filter(check_condition,headers))
-	    if size == 0 :
-	        #for action in table['action_headers'] :
-	        def apply_actions(action) :
-	            col_label = action[0]
-	            if (row.has_key(col_label)) :
-	                fact[action[1]] = row[col_label]
-	        map(apply_actions, table['action_headers'])
-	map(eval_table, table['data'])
-
-#and now some crude test code
-process_dt(test_fact, test_table)
-print "RESULT: " + str(test_fact)
-if not test_fact.has_key("Premium") :
-	print("ERROR: no premium was calculated")
-premium = test_fact["Premium"]
-if premium == '245' :
-	print("PASSED STEP 1")
-else :
-	print("FAILED STEP 1: Premium was " + test_fact["Premium"])
-
-
-# Load a XLS into a decision table structure for processing
-def load_xls(file_name) :
-	import xlrd
-	book = xlrd.open_workbook(file_name)
-	sh = book.sheet_by_index(0)
-	print sh.name, sh.nrows, sh.ncols
-        condition_headers, action_headers, data = [],[],[]
-	for rx in range(sh.nrows):
-		if rx == 0 :		
-			divider = 0
-			for cx in range(sh.ncols):
-				cv = sh.cell_value(rowx=rx, colx=cx)				
-				if cv == "" : 
-					continue
-				if cv == "*" or cv == 'actions:' :
-					divider = cx
-				else:
-					if divider == 0 : #we are in conditions
-						condition_headers.append([cx, cv])
-					else: #we are in actions
-						action_headers.append([cx, cv])
-		else:	
-			data_row = {}
-			#print condition_headers
-			for cx in range(sh.ncols):
-				cv = sh.cell_value(rowx=rx, colx=cx)
-				if cv != "":
-					data_row[cx] = cv
-			if len(data_row) > 0 :
-				data.append(data_row)
-	return {
-		"condition_headers" : condition_headers,
-		"action_headers" : action_headers,
-		"data" : data
-		}
-
-#some simple test
-tbl = load_xls("Example.xls")
-if tbl['condition_headers'][0][1] == "Age" :
-	print "PASSED STEP 2"
-else:
-	print "FAILED STEP 2"
-
-
-test_fact = { "Age" : 42, "Risk" : "'HIGH'", "PolicyType" : "'COMPREHENSIVE'" }
-
-process_dt(test_fact, tbl)
-if not test_fact.has_key("Premium") :
-	print("ERROR: no premium was calculated")
-premium = test_fact["Premium"]
-if premium == 245 :
-	print("PASSED STEP 3")
-else :
-	print("FAILED STEP 3: Premium was " + test_fact["Premium"])