Add function undo remove a line.

data2.csv

@@ -1,6 +1,3 @@
 6|WEIGHT|2020-04-15 11:16:58|True| |6e test| 
 7|WEIGHT|2020-04-15 11:18:06|True| |7e test| 
-8|WEIGHT|2020-04-15 11:26:06|true||8e test|
-9|WEIGHT|2020-04-15 11:27:45|true||9e test|
-10|WEIGHT|2020-04-15 11:39:12|true||10e test|
-10.1|WEIGHT|2020-04-15 15:22:22|true||11e test|
+13.0|WEIGHT|2020-04-20 17:39:31|true||8e test|

remove.txt

@@ -0,0 +1 @@
+2 13.0|WEIGHT|2020-04-20 17:39:31|true||8e test|

weight-cli.py

@@ -77,11 +77,15 @@ def read_measures():
 	data_file.close()
 	
 def remove_measure():
-	''' Supprime une mesure '''
+	''' Remove a measure '''
 	f = open(args.data, "r")
 	contents = f.readlines()
 	f.close()
 	# remove the line item from list, by line number, starts from 0
+	store_temp = str(args.remove)+' '+contents[args.remove]
+	g = open('remove.txt', "w")
+	g.write(str(store_temp))
+	g.close()
 	contents.pop(args.remove) 
 
 	f = open(args.data, "w")
@@ -89,6 +93,22 @@ def remove_measure():
 	f.write(contents)
 	f.close()
 	
+def undo_remove():
+	''' Undo remove the last line removed '''
+	f = open(args.data, "r")
+	contents = f.readlines()
+	f.close()
+	g = open('remove.txt', 'r')
+	store_temp = g.readline().split(' ',1)
+	g.close()
+	# insert the line item from list, by line number, starts from 0
+	contents.insert(int(store_temp[0]), store_temp[1]) 
+
+	f = open(args.data, "w")
+	contents = "".join(contents)
+	f.write(contents)
+	f.close()
+	
 def trace_graph():
 	''' Trace le graphe de l'évolution du poids avec Gnuplot '''
 	#process = Popen(['gnuplot', 'Fonctionnel.txt'], stdout=PIPE, stderr=PIPE)
@@ -115,7 +135,7 @@ parser = argparse.ArgumentParser()
 # Création des arguments
 parser.add_argument('-da', '--data',
     default='data2.csv',
-    help='optional data'
+    help='optional file data'
 )
 parser.add_argument('-w', '--weight',
     type=float,
@@ -163,6 +183,10 @@ parser.add_argument('-tst', '--tests',
 	help='optional tests operations',
 	action='store_true'
 )
+parser.add_argument('-ur', '--undoremove',
+	help='optional undo remove the last line removed',
+	action='store_true'
+)
 # Récupération des arguments  
 args = parser.parse_args()
 # Lancement des actions
@@ -176,5 +200,6 @@ if args.graph:
 	trace_graph()
 if args.tests:
 	tests_subproc()
-
+if args.undoremove:
+	undo_remove()