Implemented config.py as a singleton

src/covidify/config.py

@@ -1,44 +1,53 @@
 import os
 
-#
-# CLI 
-#
-SCRIPT = '/pipeline.sh'
-LIST_SCRIPT = '/pipeline.sh'
-
-
-#
-# DATA PREP
-#
-REPO = 'https://github.com/CSSEGISandData/COVID-19.git'
-TMP_FOLDER = '/tmp/corona/'
-TMP_GIT = os.path.join(TMP_FOLDER, REPO.split('/')[-1].split('.')[0])
-DATA = os.path.join(TMP_GIT, 'csse_covid_19_data', 'csse_covid_19_daily_reports')
-LOG_TOP_N_COUNTRIES = 10
-
-
-#
-# FORECASTING
-#
-DAYS_IN_FUTURE = 10 # Amount of days you want to forecast into future
-PERC_SPLIT = 0.95   # Train / test split for forecasting model.
-
-#
-# DATA VISUALIZATION
-#
-FIG_SIZE = (14,10)
-
-
-#Github cols
-KEEP_COLS = ['country',
-             'province', 
-             'confirmed',
-             'deaths',
-             'recovered',
-             'date',
-             'datetime',
-             'file_date']
-
-NUMERIC_COLS = ['confirmed', 
-                'deaths', 
-                'recovered']
+class SingletonConfig(object):
+	_instance = {}
+	"""docstring for SingletonConfig"""
+	def __call__(sngl, *args, **kwargs):
+		if sngl not in sngl._instance:
+			cls._instance[sngl] = super(SingletonConfig, sngl).__call__(*args, **kwargs)
+		return sngl._instance[sngl]
+
+	#
+	# CLI 
+	#
+	SCRIPT = '/pipeline.sh'
+	LIST_SCRIPT = '/pipeline.sh'
+
+
+	#
+	# DATA PREP
+	#
+	REPO = 'https://github.com/CSSEGISandData/COVID-19.git'
+	TMP_FOLDER = '/tmp/corona/'
+	TMP_GIT = os.path.join(TMP_FOLDER, REPO.split('/')[-1].split('.')[0])
+	DATA = os.path.join(TMP_GIT, 'csse_covid_19_data', 'csse_covid_19_daily_reports')
+	LOG_TOP_N_COUNTRIES = 10
+
+
+	#
+	# FORECASTING
+	#
+	DAYS_IN_FUTURE = 10 # Amount of days you want to forecast into future
+	PERC_SPLIT = 0.95   # Train / test split for forecasting model.
+
+	#
+	# DATA VISUALIZATION
+	#
+	FIG_SIZE = (14,10)
+
+
+	#Github cols
+	KEEP_COLS = ['country',
+	             'province', 
+	             'confirmed',
+	             'deaths',
+	             'recovered',
+	             'date',
+	             'datetime',
+	             'file_date']
+
+	NUMERIC_COLS = ['confirmed', 
+	                'deaths', 
+	                'recovered']
+