!squash more libtmux dataclasses session

Author: tony

src/libtmux/neo.py

@@ -325,6 +325,155 @@ def cmd(self, *args: t.Any, **kwargs: t.Any) -> tmux_cmd:
     #
     # Commands (tmux-like)
     #
+    def set_option(
+        self, option: str, value: t.Union[str, int], _global: bool = False
+    ) -> "_Session":
+        """
+        Set option ``$ tmux set-option <option> <value>``.
+
+        Parameters
+        ----------
+        option : str
+            the window option. such as 'default-shell'.
+        value : str, int, or bool
+            True/False will turn in 'on' and 'off'. You can also enter 'on' or
+            'off' directly.
+        _global : bool, optional
+            check for option globally across all servers (-g)
+
+        Raises
+        ------
+        :exc:`exc.OptionError`, :exc:`exc.UnknownOption`,
+        :exc:`exc.InvalidOption`, :exc:`exc.AmbiguousOption`
+
+        Notes
+        -----
+        .. todo::
+
+            Needs tests
+        """
+        if isinstance(value, bool) and value:
+            value = "on"
+        elif isinstance(value, bool) and not value:
+            value = "off"
+
+        tmux_args: t.Tuple[t.Union[str, int], ...] = tuple()
+
+        if _global:
+            tmux_args += ("-g",)
+
+        assert isinstance(option, str)
+        assert isinstance(value, (str, int))
+
+        tmux_args += (
+            option,
+            value,
+        )
+
+        proc = self.cmd("set-option", *tmux_args)
+
+        if isinstance(proc.stderr, list) and len(proc.stderr):
+            handle_option_error(proc.stderr[0])
+
+        return self
+
+    def show_options(
+        self, _global: t.Optional[bool] = False
+    ) -> t.Dict[str, t.Union[str, int]]:
+        """
+        Return a dict of options for the window.
+
+        For familiarity with tmux, the option ``option`` param forwards to pick
+        a single option, forwarding to :meth:`Session.show_option`.
+
+        Parameters
+        ----------
+        _global : bool, optional
+            Pass ``-g`` flag for global variable (server-wide)
+
+        Returns
+        -------
+        :py:obj:`dict`
+
+        Notes
+        -----
+        Uses ``_global`` for keyword name instead of ``global`` to avoid
+        colliding with reserved keyword.
+        """
+        tmux_args: t.Tuple[str, ...] = tuple()
+
+        if _global:
+            tmux_args += ("-g",)
+
+        tmux_args += ("show-options",)
+        session_output = self.cmd(*tmux_args).stdout
+
+        session_options: t.Dict[str, t.Union[str, int]] = {}
+        for item in session_output:
+            key, val = item.split(" ", maxsplit=1)
+            assert isinstance(key, str)
+            assert isinstance(val, str)
+
+            if isinstance(val, str) and val.isdigit():
+                session_options[key] = int(val)
+
+        return session_options
+
+    def show_option(
+        self, option: str, _global: bool = False
+    ) -> t.Optional[t.Union[str, int, bool]]:
+        """Return a list of options for the window.
+
+        Parameters
+        ----------
+        option : str
+            option name
+        _global : bool, optional
+            use global option scope, same as ``-g``
+
+        Returns
+        -------
+        str, int, or bool
+
+        Raises
+        ------
+        :exc:`exc.OptionError`, :exc:`exc.UnknownOption`,
+        :exc:`exc.InvalidOption`, :exc:`exc.AmbiguousOption`
+
+        Notes
+        -----
+        Uses ``_global`` for keyword name instead of ``global`` to avoid
+        colliding with reserved keyword.
+
+        Test and return True/False for on/off string.
+        """
+
+        tmux_args: t.Tuple[str, ...] = tuple()
+
+        if _global:
+            tmux_args += ("-g",)
+
+        tmux_args += (option,)
+
+        cmd = self.cmd("show-options", *tmux_args)
+
+        if isinstance(cmd.stderr, list) and len(cmd.stderr):
+            handle_option_error(cmd.stderr[0])
+
+        if not len(cmd.stdout):
+            return None
+
+        value_raw: t.List[str] = [item.split(" ") for item in cmd.stdout][0]
+
+        assert isinstance(value_raw[0], str)
+        assert isinstance(value_raw[1], str)
+
+        value: t.Union[str, int] = (
+            int(value_raw[1]) if value_raw[1].isdigit() else value_raw[1]
+        )
+
+        return value
+
     def select_window(self, target_window: t.Union[str, int]) -> "_Window":
         """
         Return :class:`Window` selected via ``$ tmux select-window``.
@@ -549,6 +698,15 @@ def kill_window(self, target_window: t.Optional[str] = None) -> None:
 
         self.server._update_windows()
 
+    #
+    # Computed properties
+    #
+    @property
+    def attached_pane(self) -> t.Optional["_Pane"]:
+        """Return active :class:`Pane` object."""
+
+        return self.attached_window.attached_pane
+
     #
     # Redundant stuff we want to remove
     #