Small changes to allow showoci to be imported by wrapper

Add initialization of data structures to __init__ routines of classes.

Add the ability to call the argument parser with a command line built in a calling routine.  This allows a wrapper to build command lines.

examples/showoci/showoci.py

@@ -104,6 +104,8 @@
 import sys
 import argparse
 import datetime
+import contextlib
+import os
 
 version = "22.03.29"
 
@@ -280,7 +282,7 @@ def return_error_message(service_error, service_warning, data_error, output_erro
 ##########################################################################
 # set parser
 ##########################################################################
-def set_parser_arguments():
+def set_parser_arguments(argsList=[]):
     parser = argparse.ArgumentParser(formatter_class=lambda prog: argparse.HelpFormatter(prog, max_help_position=80, width=130))
     parser.add_argument('-a', action='store_true', default=False, dest='all', help='Print All Resources')
     parser.add_argument('-ani', action='store_true', default=False, dest='allnoiam', help='Print All Resources but identity')
@@ -332,7 +334,17 @@ def set_parser_arguments():
     parser.add_argument('-caches', action='store_true', default=False, dest='servicescr', help="Output Cache to screen (JSON format)")
     parser.add_argument('--version', action='version', version='%(prog)s ' + version)
 
-    result = parser.parse_args()
+
+    if not argsList:
+        result = parser.parse_args()
+    else:
+        with contextlib.redirect_stdout(os.devnull):
+            try:
+                result = parser.parse_args(args=argsList)
+                return result
+            except:
+                return False
+
 
     if len(sys.argv) < 2:
         parser.print_help()

examples/showoci/showoci_data.py

@@ -41,6 +41,9 @@ def __init__(self, flags):
         # initiate service object
         self.service = ShowOCIService(flags)
 
+        # Initate data list everytime class is instantiated
+        self.data = []
+
     ############################################
     # get service data
     ############################################

examples/showoci/showoci_output.py

@@ -2647,7 +2647,13 @@ class ShowOCISummary(object):
     # Init
     ############################################
     def __init__(self):
-        pass
+
+        # Initate summary objects everytime class is instantiated
+        self.summary_global_list = []
+        self.summary_global_data = []
+        self.summary_global_region_total = []
+        self.summary_global_region_json = {}
+        self.summary_global_total = []
 
     ##########################################################################
     # get summary total