From 30b92195bd4fd1befd1628bb0628211da27e9513 Mon Sep 17 00:00:00 2001
From: freezed <2160318-free_zed@users.noreply.gitlab.com>
Date: Wed, 21 Apr 2021 23:46:31 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=8A=20Add=20a=20`--debug`=20option?=
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relate to forga/process/fr/embarquement#6
---
 tuto-pysdur/pgcd.py | 46 ++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 39 insertions(+), 7 deletions(-)

diff --git a/tuto-pysdur/pgcd.py b/tuto-pysdur/pgcd.py
index 1a8556a..7f19f81 100755
--- a/tuto-pysdur/pgcd.py
+++ b/tuto-pysdur/pgcd.py
@@ -17,9 +17,30 @@ import sys
 
 # MESSAGES
 FUNCTION_CALL = "Function `%s` is called"
-SUBSTRACTION_MADE = "Substraction made: %s - %s"
+RESULT = "Result : `%s`"
+SUBSTRACTION_MADE = "Substraction made : %s - %s"
 WRONG_INPUT_ORDER = "Revert input order (`%s < %s`)"
 
+LOGGER = logging.getLogger(__file__)
+
+
+def logging_setup(args):
+    """Set logging up"""
+
+    loglevel = logging.WARNING
+    if args.debug:
+        loglevel = logging.DEBUG
+
+    LOGGER.setLevel(loglevel)
+
+    console_hdlr = logging.StreamHandler()
+    console_hdlr.setFormatter(
+        logging.Formatter("[%(name)s] %(levelname)s\t%(message)s")
+    )
+
+    root = logging.getLogger("")
+    root.addHandler(console_hdlr)
+
 
 def pgcd(input_a, input_b):
     """
@@ -36,14 +57,14 @@ def pgcd(input_a, input_b):
     >>> pgcd(910, 42)
     14
     """
-    logging.info(FUNCTION_CALL, "pgcd")
+    LOGGER.info(FUNCTION_CALL, "pgcd()")
     rest = input_a - input_b
     check = input_b - rest
 
     while check != 0:
         input_a = max(input_b, rest)
         input_b = min(input_b, rest)
-        logging.debug(SUBSTRACTION_MADE, input_a, input_b)
+        LOGGER.debug(SUBSTRACTION_MADE, input_a, input_b)
         rest = input_a - input_b
         check = max(input_b, rest) - min(input_b, rest)
 
@@ -69,21 +90,32 @@ if __name__ == "__main__":
     PARSER.add_argument(
         "-v", "--verbose", help="A near mathematics answer", action="store_true"
     )
-
+    PARSER.add_argument(
+        "-d",
+        "--debug",
+        default=False,
+        help="Set logging level to DEBUG",
+        action="store_true",
+    )
     ARGS = PARSER.parse_args()
 
+    logging_setup(ARGS)
+
     # CHECKS INPUTS
     if ARGS.INPUT_A <= ARGS.INPUT_B:
-        logging.critical(WRONG_INPUT_ORDER, ARGS.INPUT_A, ARGS.INPUT_B)
+        LOGGER.critical(WRONG_INPUT_ORDER, ARGS.INPUT_A, ARGS.INPUT_B)
         sys.exit()
 
     # DO THE JOB
     else:
         NEW_PGCD = pgcd(ARGS.INPUT_A, ARGS.INPUT_B)
 
-    # RESPONSE
+    # POST COMPUTE
     if ARGS.verbose:
-        print(f"PGCD({ARGS.INPUT_A};{ARGS.INPUT_B}) = {NEW_PGCD}")
+        NEW_PGCD = f"PGCD({ARGS.INPUT_A};{ARGS.INPUT_B}) = {NEW_PGCD}"
+
+    if ARGS.debug:
+        LOGGER.debug(RESULT, NEW_PGCD)
 
     else:
         print(NEW_PGCD)