1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/python/cmd/lib/action_base.py b/contrib/python/cmd/lib/action_base.py
new file mode 100644
index 000000000..bafddea03
--- /dev/null
+++ b/contrib/python/cmd/lib/action_base.py
@@ -0,0 +1,80 @@
+"""Base class for all actions of remote client."""
+import abc
+from functools import lru_cache
+
+import podman
+
+
+class AbstractActionBase(abc.ABC):
+    """Base class for all actions of remote client."""
+
+    @classmethod
+    @abc.abstractmethod
+    def subparser(cls, parser):
+        """Define parser for this action.  Subclasses must implement.
+
+        API:
+        Use set_defaults() to set attributes "klass" and "method". These will
+        be invoked as klass(parsed_args).method()
+        """
+        parser.add_argument(
+            '--all',
+            action='store_true',
+            help=('list all items.'
+                  ' (default: no-op, included for compatibility.)'))
+        parser.add_argument(
+            '--no-trunc',
+            '--notruncate',
+            action='store_false',
+            dest='truncate',
+            default=True,
+            help='Display extended information. (default: False)')
+        parser.add_argument(
+            '--noheading',
+            action='store_false',
+            dest='heading',
+            default=True,
+            help=('Omit the table headings from the output.'
+                  ' (default: False)'))
+        parser.add_argument(
+            '--quiet',
+            action='store_true',
+            help='List only the IDs. (default: %(default)s)')
+
+    def __init__(self, args):
+        """Construct class."""
+        self._args = args
+
+    @property
+    def remote_uri(self):
+        """URI for remote side of connection."""
+        return self._args.remote_uri
+
+    @property
+    def local_uri(self):
+        """URI for local side of connection."""
+        return self._args.local_uri
+
+    @property
+    def identity_file(self):
+        """Key for authenication."""
+        return self._args.identity_file
+
+    @property
+    @lru_cache(maxsize=1)
+    def client(self):
+        """Podman remote client for communicating."""
+        return podman.Client(
+            uri=self.local_uri,
+            remote_uri=self.remote_uri,
+            identity_file=self.identity_file)
+
+    def __repr__(self):
+        """Compute the “official” string representation of object."""
+        return ("{}(local_uri='{}', remote_uri='{}',"
+                " identity_file='{}')").format(
+                    self.__class__,
+                    self.local_uri,
+                    self.remote_uri,
+                    self.identity_file,
+                )