Added date field support to Jackett

This is untested as I can't install Jackett to test right now.

I went based on Jackett's code because the API they've linked to doesn't really talk about dates.

eb8c3c3b8c/src/Jackett.Common/Models/ResultPage.cs (L45)

2951fcfc42/src/Jackett.Common/Resources/test.xml

nova3/engines/jackett.py

@@ -1,4 +1,4 @@
-#VERSION: 4.0
+#VERSION: 4.1
 # AUTHORS: Diego de las Heras (ngosang@hotmail.es)
 # CONTRIBUTORS: ukharley
 #               hannsen (github.com/hannsen)
@@ -12,6 +12,7 @@ from urllib import request as urllib_request
 from http.cookiejar import CookieJar
 from multiprocessing.dummy import Pool
 from threading import Lock
+from datetime import datetime
 
 from novaprinter import prettyPrinter
 from helpers import download_file
@@ -197,6 +198,12 @@ class jackett(object):
             # note: engine_url can't be changed, torrent download stops working
             res['engine_url'] = self.url
 
+            try:
+                date = datetime.strptime(result.find('pubDate').text, '%a, %d %b %Y %H:%M:%S %z')
+                res['pub_date'] = int(date.timestamp())
+            except Exception:
+                res['pub_date'] = -1
+
             self.pretty_printer_thread_safe(res)
 
     def generate_xpath(self, tag):

nova3/engines/versions.txt

@@ -1,5 +1,5 @@
 eztv: 1.14
-jackett: 4.0
+jackett: 4.1
 limetorrents: 4.7
 piratebay: 3.3
 solidtorrents: 2.2