add command class

added command class

added action prop to meta module

vbancmd/command.py

@@ -0,0 +1,49 @@
+import abc
+from .errors import VMCMDErrors
+from .meta import action_prop
+
+class ICommand(abc.ABC):
+    """ Command Base Class """
+    def __init__(self, remote):
+        self._remote = remote
+
+    def setter(self, param, val):
+        """ Sends a string request RT packet. """
+        self._remote.set_rt(f'{self.identifier}', param, val)
+
+    @abc.abstractmethod
+    def identifier(self):
+        pass
+
+
+class Command(ICommand):
+    """ Command Concrete Class """
+    @classmethod
+    def make(cls, remote):
+        """
+        Factory function for command class.
+
+        Returns a Command class of a kind.
+        """
+        CMD_cls = type(f'Command{remote.kind.name}', (cls,), {
+            **{param: action_prop(param)
+            for param in ['show', 'shutdown', 'restart']},
+            'hide': action_prop('show', val=0),
+        })
+        return CMD_cls(remote)
+
+    @property
+    def identifier(self) -> str:
+        return 'Command'
+
+    def set_showvbanchat(self, val: bool):
+        if not isinstance(val, bool) and val not in (0,1):
+            raise VMCMDErrors('showvbanchat is a boolean parameter')
+        self.setter('DialogShow.VBANCHAT', 1 if val else 0)
+    showvbanchat = property(fset=set_showvbanchat)
+
+    def set_lock(self, val: bool):
+        if not isinstance(val, bool) and val not in (0,1):
+            raise VMCMDErrors('lock is a boolean parameter')
+        self.setter('lock', 1 if val else 0)        
+    lock = property(fset=set_lock)

vbancmd/meta.py

@@ -76,3 +76,9 @@ def bus_mode_prop(param):
             raise VMCMDErrors(f'mode.{param} is a boolean parameter')
         self.setter(f'mode.{param}', 1 if val else 0)
     return property(fget, fset)
+
+def action_prop(param, val=1):
+    """ A param that performs an action """
+    def fdo(self):
+        self.setter(param, val)
+    return fdo

vbancmd/vbancmd.py

@@ -16,6 +16,7 @@ from .dataclass import (
 )
 from .strip import InputStrip
 from .bus import OutputBus
+from .command import Command
 
 class VbanCmd(abc.ABC):
     def __init__(self, **kwargs):
@@ -247,6 +248,7 @@ def _make_remote(kind: NamedTuple) -> VbanCmd:
         self.bus = \
         tuple(OutputBus.make((i < self.phys_out), self, i)
         for i in range(self.phys_out + self.virt_out))
+        self.command = Command.make(self)
 
     return type(f'VbanCmd{kind.name}', (VbanCmd,), {
         '__init__': init,