targets: add __str__ methods to targets

Allows to easily get a descriptive string for a target.

2 files changed, 11 insertions, 1 deletions

diff --git a/example.py b/example.py
index 8cd5c31..ba3e09c 100755
--- a/example.py
+++ b/example.py
@@ -14,7 +14,7 @@ tgts = (
 
 def list_targets(tgts):
     for tgt in tgts:
-        sys.stdout.write('%s\n' % tgt.name)
+        sys.stdout.write('%s\n  %s\n' % (tgt.name, str(tgt)))
 
 # parse the commandline
 parser = argparse.ArgumentParser()
diff --git a/lbup/targets.py b/lbup/targets.py
index 0d3ffe8..8f30ae5 100644
--- a/lbup/targets.py
+++ b/lbup/targets.py
@@ -52,6 +52,9 @@ class Target(ABC):
         else:
             self._logger  = logger
 
+    def __str__(self):
+        return "Target{%s/%s}" % (self.dirs, self.excludes)
+
     def _log_command(self, name, retcode, stdout, stderr):
         self._logger.debug('%s finished with return code %d' % (name, retcode))
 
@@ -138,6 +141,9 @@ class TargetSSH(Target):
 
         super().__init__(name, dirs, excludes, logger)
 
+    def __str__(self):
+        return "%s{SSH:%s}" % (super().__str__(), str(self._remote))
+
     def _paramiko_exec_cmd(self, client, cmd):
         self._logger.debug('Client %s: executing command: %s' % (client, cmd))
 
@@ -203,6 +209,10 @@ class TargetSSHLXCLVM(TargetSSH):
 
         super().__init__(name, dirs, excludes, logger, target_remote, target_remote_bupdir)
 
+    def __str__(self):
+        return "%s{LXC:%s/%s@[%s]}{LVM:%s}" % (super().__str__(), self._lxc_containername,
+                self._lxc_username, str(self._parent_remote), self._snapshot_size)
+
     def save(self, data_dir):
         with contextlib.ExitStack() as stack:
             parent    = stack.enter_context(_ssh_client.SSHConnection(self._parent_remote))