Add cron for menage

.gitignore

@@ -2,3 +2,5 @@
 .idea
 srv/database.sqlite
 application.properties
+logs/*
+!logs/README

bin/clear_crons.py

+#!/usr/bin/env python3
+
+from lib.crons import Crons
+
+
+crons = Crons()
+crons.clear()  # Useless but can be useful if the code change in Crons code

bin/lib

+../lib
\ No newline at end of file

lib/crons.py

+import getpass
+from crontab import CronTab
+
+
+class Crons:
+
+    def __init__(self, base_dir=None):
+        self.base_dir = base_dir
+        self.my_cron = CronTab(user=getpass.getuser())
+        self.clear()
+
+    def clear(self):
+        # Remove old crons:
+        self.my_cron.remove_all(comment="dgenies")
+        self.my_cron.write()
+
+    def init_menage_cron(self):
+        """
+        Menage cron is launched at 1h00am each day
+        """
+        if self.base_dir is not None:
+            job = self.my_cron.new("python3 {0}/bin/clean_jobs.py > {0}/logs/menage.log".format(self.base_dir),
+                                   comment="dgenies")
+            job.day.every(1)
+            job.hour.on(1)
+            job.minute.on(0)
+            self.my_cron.write()
+        else:
+            raise Exception("Crons: base_dir must not be None")

logs/README

+This folder will contains some logs from dgenies server.

requirements.txt

@@ -7,3 +7,4 @@ numpy
 wget==3.2
 requests==2.18.*
 biopython==1.70
+python-crontab==2.2.*

srv/logs

+../logs
\ No newline at end of file

srv/main.py

@@ -15,6 +15,7 @@ from lib.functions import Functions, ALLOWED_EXTENSIONS
 from lib.upload_file import UploadFile
 from lib.Fasta import Fasta
 from lib.mailer import Mailer
+from lib.crons import Crons
 
 import sys
 
@@ -44,6 +45,10 @@ mailer = Mailer(app)
 # Folder containing data:
 app_data = config_reader.get_app_data()
 
+# Crons:
+crons = Crons(app_folder)
+crons.init_menage_cron()
+
 
 @app.context_processor
 def get_launched_results():