py3: Port use of cookielib in recipes

recipes/discover_magazine_monthly.recipe

@@ -9,7 +9,10 @@ discovermagazine.com
 '''
 import re
 import json
-import cookielib
+try:
+    from http.cookiejar import Cookie
+except ImportError:
+    from cookielib import Cookie
 import mechanize
 from calibre.web.feeds.news import BasicNewsRecipe
 
@@ -55,7 +58,7 @@ class DiscoverMagazine(BasicNewsRecipe):
         if hasattr(br, 'set_cookie'):
             br.set_cookie('KSERV', session_id, 'discovermagazine.com')
         else:
-            c = cookielib.Cookie(
+            c = Cookie(
                 None, 'KSERV', session_id,
                 None, False,
                 'discovermagazine.com', True, False,

recipes/economist.recipe

@@ -5,7 +5,10 @@ __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 '''
 economist.com
 '''
-import cookielib
+try:
+    from http.cookiejar import Cookie
+except ImportError:
+    from cookielib import Cookie
 from collections import OrderedDict
 
 from calibre.ebooks.BeautifulSoup import NavigableString, Tag
@@ -113,7 +116,7 @@ class Economist(BasicNewsRecipe):
         br = BasicNewsRecipe.get_browser(self)
         # Add a cookie indicating we have accepted Economist's cookie
         # policy (needed when running from some European countries)
-        ck = cookielib.Cookie(
+        ck = Cookie(
             version=0,
             name='notice_preferences',
             value='2:',

recipes/economist_free.recipe

@@ -5,7 +5,10 @@ __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 '''
 economist.com
 '''
-import cookielib
+try:
+    from http.cookiejar import Cookie
+except ImportError:
+    from cookielib import Cookie
 from collections import OrderedDict
 
 from calibre.ebooks.BeautifulSoup import NavigableString, Tag
@@ -113,7 +116,7 @@ class Economist(BasicNewsRecipe):
         br = BasicNewsRecipe.get_browser(self)
         # Add a cookie indicating we have accepted Economist's cookie
         # policy (needed when running from some European countries)
-        ck = cookielib.Cookie(
+        ck = Cookie(
             version=0,
             name='notice_preferences',
             value='2:',

recipes/trouw.recipe

@@ -1,5 +1,8 @@
 from calibre.web.feeds.news import BasicNewsRecipe
-import cookielib
+try:
+    from http.cookiejar import Cookie
+except ImportError:
+    from cookielib import Cookie
 
 
 class BasicUserRecipe1333905513(BasicNewsRecipe):
@@ -15,7 +18,7 @@ class BasicUserRecipe1333905513(BasicNewsRecipe):
         br = BasicNewsRecipe.get_browser(self)
         # Add a cookie indicating we have accepted the cookie
         # policy
-        ck = cookielib.Cookie(
+        ck = Cookie(
             version=0, name='nl_cookiewall_version', value='1', port=None,
             port_specified=False, domain='.trouw.nl',
             domain_specified=False, domain_initial_dot=True, path='/',