added dvt class

testing/SYS-DVT/data.json

@@ -1,7 +1,7 @@
 {
 	"module": {
 		"bb_current": {
-			"sys_path": "/sys/bb_sensor",
+			"sys_path": "/home/oc/sys/bb_sensor",
 			"get_vars": {
 				"bb_shunt_voltage": {
 					"unit": "mV"
@@ -21,7 +21,7 @@
 
 		},
 		"bb_temp": {
-			"sys_path": "/sys/bb_temp",
+			"sys_path": "/home/oc/sys/bb_temp",
 			"get_vars": {
 				"bb_input_temp": {
 					"unit": "Celcius"

testing/SYS-DVT/occmd.py

@@ -3,58 +3,89 @@ import sys
 import json
 
 DB_FILE = "data.json"
-db = '';
-module = ''
-operation = ''
-param = ''
-value = ''
 
-def check_args(args):
-    global module
-    global operation
-    global param
-    global value
+class dvt():
+
+    def __init__(self, dbfile):
+        self.module = ''
+        self.operation = ''
+        self.param = ''
+        self.value = ''
+        self.dbfile = dbfile
+        self.db = ''
+
+    def get(self):
+        pass
+
+    def set(self):
+        pass
+
+    def print_vars(self):
+        print("module_name: %s" %(self.module))
+        print("operation: %s" %(self.operation))
+        print("param: %s" %(self.param))
+        print("value: %s" %(self.value))
+        print("DB file: %s" %(self.dbfile))
+
+    def load_db(self):
+        try:
+            f = open(self.dbfile)
+            self.db = json.load(f)
+            f.close()
+        except:
+            print "File error %s" %(self.dbfile)
+            sys.exit(-1);
+
+        return 0
+
+    def print_cmds(self):
+        pass;
+
+def check_args(args, a):
     
     # check for module name
-    if((len(args) < 2) or (args[1] == 'help')):
-        return -1
+    try:
+        if((len(args) < 1) or (args[1] == 'help')):
+            return -1
 
-    for x in db['module']:
-        if(x == args[1]):
-            module = x
+        for x in a.db['module']:
+            if(x == args[1]):
+                a.module = x
+                break
+
+        if a.module == '':
+            return -1
+        else:
             # Check for get/set
-            if(len(args) < 3 and (args[2] == 'get' or args[2] == 'set')):
+            if(len(args) < 2 and (args[2] == 'get' or args[2] == 'set')):
                 return -1
             else:
-                operation = args[2]
-                if(operation == 'set'):
-                    if(len(args) < 5):
-                        return -1
-                    else:
-                        param = args[3]
-                        value = args[4]
-                else: # get
+                a.operation = args[2]
+                if(a.operation == 'set'):
                     if(len(args) < 4):
                         return -1
                     else:
-                        param = args[3]
-   
-    return 0
+                        a.param = args[3]
+                        a.value = args[4]
+                else: # get
+                    if(len(args) < 3):
+                        return -1
+                    else:
+                        a.param = args[3]
+        return 0
 
-def load_database():
-    global db
-    with open(DB_FILE) as json_data:
-        db = json.load(json_data)
-    return 0
+    except:
+        return -1
 
 def main():
-    load_database()
-    if(check_args(sys.argv)):
-         print db['module']['help']
+    a = dvt(DB_FILE)
+    a.load_db()
+    if(check_args(sys.argv, a)):
+         print a.db['module']['help']
          sys.exit(-1)
 
    # We have a valid request request process it
-    print "Request valid" 
+    a.print_vars() 
 
     sys.exit(0)