6d7df1c5e8
Now the time for importing the kitty.config module has been halved, from 16ms from 32ms on my machine. Also, the new architecture will eventually allow for auto generating a bunch of python-to-C boilerplate code.
193 lines
7.3 KiB
Python
193 lines
7.3 KiB
Python
#!/usr/bin/env python3
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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import shlex
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import sys
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from typing import Generator, List, Optional, Sequence, Union
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from .cli_stub import CLIOptions
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from .options.utils import to_layout_names, window_size
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from .constants import kitty_exe
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from .layout.interface import all_layouts
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from .options.types import Options
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from .os_window_size import WindowSize, WindowSizeData, WindowSizes
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from .typing import SpecialWindowInstance
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from .utils import log_error, resolved_shell
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def get_os_window_sizing_data(opts: Options, session: Optional['Session'] = None) -> WindowSizeData:
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if session is None or session.os_window_size is None:
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sizes = WindowSizes(WindowSize(*opts.initial_window_width), WindowSize(*opts.initial_window_height))
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else:
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sizes = session.os_window_size
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return WindowSizeData(sizes, opts.remember_window_size, opts.single_window_margin_width, opts.window_margin_width, opts.window_padding_width)
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class Tab:
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def __init__(self, opts: Options, name: str):
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from .launch import LaunchSpec
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self.windows: List[Union[LaunchSpec, 'SpecialWindowInstance']] = []
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self.name = name.strip()
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self.active_window_idx = 0
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self.enabled_layouts = opts.enabled_layouts
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self.layout = (self.enabled_layouts or ['tall'])[0]
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self.cwd: Optional[str] = None
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self.next_title: Optional[str] = None
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class Session:
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def __init__(self, default_title: Optional[str] = None, default_watchers: Sequence[str] = ()):
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self.tabs: List[Tab] = []
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self.default_watchers = list(default_watchers)
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self.active_tab_idx = 0
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self.default_title = default_title
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self.os_window_size: Optional[WindowSizes] = None
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self.os_window_class: Optional[str] = None
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def add_tab(self, opts: Options, name: str = '') -> None:
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if self.tabs and not self.tabs[-1].windows:
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del self.tabs[-1]
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self.tabs.append(Tab(opts, name))
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def set_next_title(self, title: str) -> None:
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self.tabs[-1].next_title = title.strip()
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def set_layout(self, val: str) -> None:
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if val.partition(':')[0] not in all_layouts:
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raise ValueError('{} is not a valid layout'.format(val))
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self.tabs[-1].layout = val
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def add_window(self, cmd: Union[None, str, List[str]]) -> None:
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from .launch import parse_launch_args
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if isinstance(cmd, str):
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cmd = shlex.split(cmd)
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spec = parse_launch_args(cmd)
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if self.default_watchers:
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spec.opts.watcher = list(spec.opts.watcher) + self.default_watchers
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t = self.tabs[-1]
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if t.next_title and not spec.opts.window_title:
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spec.opts.window_title = t.next_title
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spec.opts.cwd = spec.opts.cwd or t.cwd
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t.windows.append(spec)
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t.next_title = None
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def add_special_window(self, sw: 'SpecialWindowInstance') -> None:
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self.tabs[-1].windows.append(sw)
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def focus(self) -> None:
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self.active_tab_idx = max(0, len(self.tabs) - 1)
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self.tabs[-1].active_window_idx = max(0, len(self.tabs[-1].windows) - 1)
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def set_enabled_layouts(self, raw: str) -> None:
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self.tabs[-1].enabled_layouts = to_layout_names(raw)
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if self.tabs[-1].layout not in self.tabs[-1].enabled_layouts:
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self.tabs[-1].layout = self.tabs[-1].enabled_layouts[0]
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def set_cwd(self, val: str) -> None:
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self.tabs[-1].cwd = val
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def parse_session(raw: str, opts: Options, default_title: Optional[str] = None) -> Generator[Session, None, None]:
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def finalize_session(ans: Session) -> Session:
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from .tabs import SpecialWindow
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for t in ans.tabs:
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if not t.windows:
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t.windows.append(SpecialWindow(cmd=resolved_shell(opts), override_title=default_title))
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return ans
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ans = Session(default_title)
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ans.add_tab(opts)
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for line in raw.splitlines():
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line = line.strip()
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if line and not line.startswith('#'):
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parts = line.split(maxsplit=1)
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if len(parts) == 1:
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cmd, rest = parts[0], ''
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else:
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cmd, rest = parts
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cmd, rest = cmd.strip(), rest.strip()
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if cmd == 'new_tab':
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ans.add_tab(opts, rest)
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elif cmd == 'new_os_window':
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yield finalize_session(ans)
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ans = Session(default_title)
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ans.add_tab(opts, rest)
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elif cmd == 'layout':
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ans.set_layout(rest)
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elif cmd == 'launch':
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ans.add_window(rest)
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elif cmd == 'focus':
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ans.focus()
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elif cmd == 'enabled_layouts':
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ans.set_enabled_layouts(rest)
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elif cmd == 'cd':
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ans.set_cwd(rest)
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elif cmd == 'title':
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ans.set_next_title(rest)
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elif cmd == 'os_window_size':
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w, h = map(window_size, rest.split(maxsplit=1))
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ans.os_window_size = WindowSizes(WindowSize(*w), WindowSize(*h))
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elif cmd == 'os_window_class':
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ans.os_window_class = rest
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else:
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raise ValueError('Unknown command in session file: {}'.format(cmd))
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yield finalize_session(ans)
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class PreReadSession(str):
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def __new__(cls, val: str) -> 'PreReadSession':
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ans: PreReadSession = str.__new__(cls, val)
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ans.pre_read = True # type: ignore
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return ans
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def create_sessions(
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opts: Options,
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args: Optional[CLIOptions] = None,
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special_window: Optional['SpecialWindowInstance'] = None,
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cwd_from: Optional[int] = None,
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respect_cwd: bool = False,
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default_session: Optional[str] = None
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) -> Generator[Session, None, None]:
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if args and args.session:
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if isinstance(args.session, PreReadSession):
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session_data = '' + str(args.session)
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else:
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if args.session == '-':
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f = sys.stdin
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else:
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f = open(args.session)
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with f:
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session_data = f.read()
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yield from parse_session(session_data, opts, getattr(args, 'title', None))
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return
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if default_session and default_session != 'none':
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try:
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with open(default_session) as f:
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session_data = f.read()
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except OSError:
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log_error('Failed to read from session file, ignoring: {}'.format(default_session))
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else:
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yield from parse_session(session_data, opts, getattr(args, 'title', None))
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return
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default_watchers = args.watcher if args else ()
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ans = Session(default_watchers=default_watchers)
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current_layout = opts.enabled_layouts[0] if opts.enabled_layouts else 'tall'
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ans.add_tab(opts)
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ans.tabs[-1].layout = current_layout
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if special_window is None:
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cmd = args.args if args and args.args else resolved_shell(opts)
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if args and args.hold:
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cmd = [kitty_exe(), '+hold'] + cmd
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from kitty.tabs import SpecialWindow
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cwd: Optional[str] = args.directory if respect_cwd and args else None
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title = getattr(args, 'title', None)
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special_window = SpecialWindow(cmd, override_title=title, cwd_from=cwd_from, cwd=cwd)
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ans.add_special_window(special_window)
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yield ans
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