lock file library to prevent duplicates tasks

code/scripts/main/core/libs/locker.py

@@ -0,0 +1,19 @@
+import os
+
+class locker:
+    def createlock(self, lockfile, date=0):
+        try:
+            if os.path.exists(lockfile):
+                f = open(lockfile, "r+")
+                return f.read()
+            else:
+                f = open(lockfile, "w")
+                f.write(date)
+        except BaseException as e:
+            raise("Can't create or read the lock file: {0}".format(e))
+
+    def unlock(self, lockfile):
+        try:
+            os.remove(lockfile)
+        except BaseException as e:
+            raise ("Can't delete the lock file: {0}".format(e))