Added a command line arguments container to simplify command line arg…

…s setup fro default/expected args to pass into CosineAlgo

cosine/core/args.py

@@ -0,0 +1,59 @@
+"""
+# 
+# 10/10/2018
+# Oladotun Rominiyi - Copyright © 2018. all rights reserved.
+"""
+__author__ = 'dotun rominiyi'
+
+# IMPORTS
+import argparse
+
+
+# MODULE CLASSES
+class CosineCmdLineArgs(object):
+
+    def __init__(self, appdesc, capture_args):
+
+        # create the parser and add capturing for required arguments...
+        self.parser = argparse.ArgumentParser(description=appdesc)
+        self.parser.add_argument("-c", "--config",
+                                 help="Config YAML file required to setup the algo.")
+        self.parser.add_argument("-e", "--env", choices=['DEV', 'TST', 'PRD'],
+                                 help="The execution environment.")
+        self.parser.add_argument("-a", "--appname", default=appdesc,
+                                 help="The name of the application.")
+        self.parser.add_argument("-lf", "--logfile",
+                                 help="The name of the log file. Do not change this unless you know what you're doing.")
+        self.parser.add_argument("-lv", "--loglevel",
+                                 choices=['DEBUG', 'INFO', 'WARNING', 'ERROR', 'FATAL', 'CRITICAL'],
+                                 help="Log level.")
+        self.parser.add_argument("-nl", "--nologfile",
+                                 const=True, default=False, nargs='?',
+                                 help="Disable log file generation.")
+
+        # add any custom arguments...
+        for (args, kwargs) in (capture_args if capture_args else []):
+            self.parser.add_argument(*args, **kwargs)
+
+        # init the args object...
+        self.args = None
+
+
+    def print_help(self):
+        self.parser.print_help()
+
+
+    def parse(self):
+        self.args = self.parser.parse_args()
+
+        # filter out None value fields...
+        self.args = self.args.__class__(**({arg: self.args.__dict__[arg] for arg in self.args.__dict__ if self.args.__dict__[arg] is not None}))
+        return self.args
+
+
+    def get(self):
+        return self.args
+
+
+    def asdict(self):
+        return self.args.__dict__ if self.args else {}