Assorted python3 fixes for network code. (#18777)

lib/ansible/module_utils/shell.py

@@ -31,7 +31,7 @@ except ImportError:
 
 from ansible.module_utils.basic import get_exception
 from ansible.module_utils.network import NetworkError
-from ansible.module_utils.six.moves import StringIO
+from ansible.module_utils.six import BytesIO
 from ansible.module_utils._text import to_native
 
 ANSI_RE = [
@@ -132,23 +132,23 @@ class Shell(object):
         raise ShellError('timeout trying to send command: %s' % self._history[-1])
 
     def receive(self, cmd=None):
-        recv = StringIO()
+        recv = BytesIO()
         handled = False
 
         while True:
             data = self.shell.recv(200)
 
             recv.write(data)
-            recv.seek(recv.tell() - 200)
+            recv.seek(recv.tell() - len(data))
 
-            window = self.strip(recv.read())
+            window = self.strip(recv.read().decode('utf8'))
 
             if hasattr(cmd, 'prompt') and not handled:
                 handled = self.handle_prompt(window, cmd)
 
             try:
                 if self.find_prompt(window):
-                    resp = self.strip(recv.getvalue())
+                    resp = self.strip(recv.getvalue().decode('utf8'))
                     return self.sanitize(cmd, resp)
             except ShellError:
                 exc = get_exception()

lib/ansible/plugins/action/net_config.py

@@ -23,10 +23,10 @@ import os
 import re
 import time
 import glob
-import urlparse
 
 from ansible.plugins.action import ActionBase
 from ansible.module_utils._text import to_text
+from ansible.module_utils.six.moves.urllib.parse import urlsplit
 
 
 PRIVATE_KEYS_RE = re.compile('__.+__')
@@ -87,7 +87,7 @@ class ActionModule(ActionBase):
         src = self._task.args.get('src')
         working_path = self._get_working_path()
 
-        if os.path.isabs(src) or urlparse.urlsplit('src').scheme:
+        if os.path.isabs(src) or urlsplit('src').scheme:
             source = src
         else:
             source = self._loader.path_dwim_relative(working_path, 'templates', src)