Change make Py3.9 preparations.

Change cElementTree has been removed.
Change base64.decodestring has been removed.
Change create central etree only importer for py2/py3.
Change improve central lxml_etree importer for py2/py3.

CHANGES.md

@@ -40,6 +40,7 @@
 * Change improve Popen resource usage under py2
 * Add overall failure monitoring to History/Connect fails (renamed from "Provider fails")
 * Change log exception during updateCache in newznab
+* Change make Py3.9 preparations
 
 
 [develop changelog]

lib/_23.py

@@ -155,6 +155,9 @@ if 2 != version_info[0]:
     # noinspection PyUnresolvedReferences
     from subprocess import Popen
 
+    # noinspection PyUnresolvedReferences
+    import xml.etree.ElementTree as etree
+
     native_timestamp = datetime.datetime.timestamp  # type: Callable[[datetime.datetime], float]
 
     def unquote(string, encoding='utf-8', errors='replace'):
@@ -227,6 +230,12 @@ else:
     # noinspection PyUnresolvedReferences,PyDeprecation
     from inspect import getargspec
 
+    try:
+        # noinspection PyPep8Naming
+        import xml.etree.cElementTree as etree
+    except ImportError:
+        # noinspection PyPep8Naming
+        import xml.etree.ElementTree as etree
 
     def _totimestamp(dt=None):
         # type: (datetime.datetime) -> float

lib/adba/aniDBfileInfo.py

@@ -24,8 +24,8 @@ import pickle
 import requests
 import sys
 import time
-import xml.etree.cElementTree as etree
 
+from _23 import etree
 
 logger = logging.getLogger('adba')
 logger.addHandler(logging.NullHandler())

lib/feedparser_py3/http.py

@@ -71,9 +71,8 @@ import base64
 from .datetimes import _parse_date
 from .urls import convert_to_idn
 
-# Python 3.1 deprecated decodestring in favor of decodebytes.
+_base64decode = base64.decodebytes
-# This can be removed after Python 2.7 support is dropped.
+
-_base64decode = getattr(base64, 'decodebytes', base64.decodestring)
 
 try:
     basestring

lib/feedparser_py3/mixin.py

@@ -48,9 +48,7 @@ from .util import FeedParserDict
 from .urls import _urljoin, make_safe_absolute_uri, resolve_relative_uris
 
 
-# Python 2.7 only offers "decodestring()".
+_base64decode = base64.decodebytes
-# This name substitution can be removed when Python 2.7 support is dropped.
-_base64decode = getattr(base64, 'decodebytes', base64.decodestring)
 
 
 bytes_ = type(b'')

lib/lxml_etree/__init__.py

@@ -1,12 +1,19 @@
+from sys import version_info
+
 try:
     # noinspection PyPackageRequirements
     from lxml import etree
     is_lxml = True
 except ImportError:
     is_lxml = False
-    try:
+    etree = None
-        # noinspection PyPep8Naming
+    if 2 == version_info[0]:
-        import xml.etree.cElementTree as etree
+        try:
-    except ImportError:
+            # noinspection PyPep8Naming
-        # noinspection PyPep8Naming
+            import xml.etree.cElementTree as etree
-        import xml.etree.ElementTree as etree
+        except ImportError:
+            etree = None
+
+if not is_lxml and not etree:
+    # noinspection PyPep8Naming
+    import xml.etree.ElementTree as etree

sickbeard/notifiers/kodi.py

@@ -22,7 +22,6 @@ try:
 except ImportError:
     from lib import simplejson as json
 import time
-import xml.etree.cElementTree as XmlEtree
 
 from .generic import Notifier
 from .. import logger
@@ -30,7 +29,7 @@ import sickbeard
 import sickbeard.helpers
 from exceptions_helper import ex
 
-from _23 import decode_str, quote, unquote, unquote_plus
+from _23 import decode_str, etree, quote, unquote, unquote_plus
 
 
 class KodiNotifier(Notifier):
@@ -233,7 +232,7 @@ class KodiNotifier(Notifier):
                 return False
 
             try:
-                et = XmlEtree.fromstring(quote(response, ':\\/<>'))
+                et = etree.fromstring(quote(response, ':\\/<>'))
             except SyntaxError as e:
                 self._log_error(u'Unable to parse XML in response: %s' % ex(e))
                 return False

sickbeard/notifiers/nmj.py

@@ -18,13 +18,12 @@
 
 import re
 import telnetlib
-import xml.etree.cElementTree as XmlEtree
 
 from .generic import BaseNotifier
 import sickbeard
 from exceptions_helper import ex
 
-from _23 import urlencode
+from _23 import etree, urlencode
 # noinspection PyUnresolvedReferences
 from six.moves import urllib
 
@@ -141,7 +140,7 @@ class NMJNotifier(BaseNotifier):
 
         # try to parse the resulting XML
         try:
-            et = XmlEtree.fromstring(response)
+            et = etree.fromstring(response)
             result = et.findtext('returnValue')
         except SyntaxError as e:
             self._log_error(u'Unable to parse XML returned from the Popcorn Hour: %s' % ex(e))

sickbeard/notifiers/nmjv2.py

@@ -19,13 +19,12 @@
 
 import time
 from xml.dom.minidom import parseString
-import xml.etree.cElementTree as XmlEtree
 
 from .generic import BaseNotifier
 import sickbeard
 from exceptions_helper import ex
 
-from _23 import urlencode
+from _23 import etree, urlencode
 # noinspection PyUnresolvedReferences
 from six.moves import urllib
 
@@ -133,14 +132,14 @@ class NMJv2Notifier(BaseNotifier):
             return False
 
         try:
-            et = XmlEtree.fromstring(response1)
+            et = etree.fromstring(response1)
             result1 = et.findtext('returnValue')
         except SyntaxError as e:
             self._log_error(u'Unable to parse XML returned from the Popcorn Hour: update_scandir, %s' % ex(e))
             return False
 
         try:
-            et = XmlEtree.fromstring(response2)
+            et = etree.fromstring(response2)
             result2 = et.findtext('returnValue')
         except SyntaxError as e:
             self._log_error(u'Unable to parse XML returned from the Popcorn Hour: scanner_start, %s' % ex(e))

sickbeard/notifiers/plex.py

@@ -17,14 +17,13 @@
 # along with SickGear.  If not, see <http://www.gnu.org/licenses/>.
 
 import re
-import xml.etree.cElementTree as XmlEtree
 
 from .generic import Notifier
 import sickbeard
 from encodingKludge import fixStupidEncodings
 from exceptions_helper import ex
 
-from _23 import b64encodestring, decode_str, filter_iter, list_values, unquote_plus, urlencode
+from _23 import b64encodestring, decode_str, etree, filter_iter, list_values, unquote_plus, urlencode
 from six import iteritems, text_type, PY2
 # noinspection PyUnresolvedReferences
 from six.moves import urllib
@@ -175,7 +174,7 @@ class PLEXNotifier(Notifier):
 
             try:
                 http_response_obj = urllib.request.urlopen(req)  # PY2 http_response_obj has no `with` context manager
-                auth_tree = XmlEtree.parse(http_response_obj)
+                auth_tree = etree.parse(http_response_obj)
                 http_response_obj.close()
                 token = auth_tree.findall('.//authentication-token')[0].text
                 token_arg = '?X-Plex-Token=' + token

sickbeard/notifiers/xbmc.py

@@ -22,14 +22,13 @@ except ImportError:
     from lib import simplejson as json
 import socket
 import time
-import xml.etree.cElementTree as XmlEtree
 
 from .generic import Notifier
 import sickbeard
 from exceptions_helper import ex
 from encodingKludge import fixStupidEncodings
 
-from _23 import b64encodestring, decode_str, quote, unquote, unquote_plus, urlencode
+from _23 import b64encodestring, decode_str, etree, quote, unquote, unquote_plus, urlencode
 from six import PY2, text_type
 # noinspection PyUnresolvedReferences
 from six.moves import urllib
@@ -238,7 +237,7 @@ class XBMCNotifier(Notifier):
 
             enc_sql_xml = quote(sql_xml, ':\\/<>')
             try:
-                et = XmlEtree.fromstring(enc_sql_xml)
+                et = etree.fromstring(enc_sql_xml)
             except SyntaxError as e:
                 self._log_error(u'Unable to parse XML response: ' + ex(e))
                 return False