c44b5bb03f
The extra reparse costs 0.5ms at startup on my machine and is only incurred if at least one alias is actually defined.
205 lines
7.2 KiB
Python
205 lines
7.2 KiB
Python
#!/usr/bin/env python3
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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import json
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import os
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from contextlib import contextmanager, suppress
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from functools import partial
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from typing import Any, Dict, Generator, Iterable, List, Optional, Tuple
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from .conf.utils import BadLine, load_config as _load_config, parse_config_base
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from .constants import cache_dir, defconf
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from .options.types import Options, defaults, option_names
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from .options.utils import (
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ActionAlias, KeyDefinition, KeyMap, MouseMap, MouseMapping, SequenceMap,
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build_action_aliases
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)
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from .typing import TypedDict
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from .utils import log_error
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def option_names_for_completion() -> Tuple[str, ...]:
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return option_names
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def build_ansi_color_table(opts: Optional[Options] = None) -> int:
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if opts is None:
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opts = defaults
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addr, length = opts.color_table.buffer_info()
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if length != 256 or opts.color_table.typecode != 'L':
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raise TypeError(f'The color table has incorrect size length: {length} typecode: {opts.color_table.typecode}')
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return addr
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def atomic_save(data: bytes, path: str) -> None:
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import shutil
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import tempfile
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path = os.path.realpath(path)
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fd, p = tempfile.mkstemp(dir=os.path.dirname(path), suffix='.tmp')
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try:
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with os.fdopen(fd, 'wb') as f:
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f.write(data)
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with suppress(FileNotFoundError):
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shutil.copystat(path, p)
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os.utime(p)
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os.replace(p, path)
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finally:
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try:
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os.remove(p)
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except FileNotFoundError:
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pass
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except Exception as err:
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log_error('Failed to delete temp file {} for atomic save with error: {}'.format(
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p, err))
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@contextmanager
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def cached_values_for(name: str) -> Generator[Dict[str, Any], None, None]:
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cached_path = os.path.join(cache_dir(), name + '.json')
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cached_values: Dict[str, Any] = {}
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try:
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with open(cached_path, 'rb') as f:
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cached_values.update(json.loads(f.read().decode('utf-8')))
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except FileNotFoundError:
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pass
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except Exception as err:
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log_error('Failed to load cached in {} values with error: {}'.format(
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name, err))
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yield cached_values
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try:
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data = json.dumps(cached_values).encode('utf-8')
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atomic_save(data, cached_path)
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except Exception as err:
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log_error('Failed to save cached values with error: {}'.format(
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err))
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def commented_out_default_config() -> str:
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from .options.definition import definition
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return '\n'.join(definition.as_conf(commented=True))
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def prepare_config_file_for_editing() -> str:
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if not os.path.exists(defconf):
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d = os.path.dirname(defconf)
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with suppress(FileExistsError):
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os.makedirs(d)
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with open(defconf, 'w', encoding='utf-8') as f:
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f.write(commented_out_default_config())
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return defconf
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def finalize_keys(opts: Options, alias_map: Dict[str, List[ActionAlias]], accumulate_bad_lines: Optional[List[BadLine]] = None) -> None:
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defns: List[KeyDefinition] = []
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for d in opts.map:
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if d is None: # clear_all_shortcuts
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defns = [] # type: ignore
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else:
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try:
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defns.append(d.resolve_and_copy(opts.kitty_mod, alias_map))
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except Exception as err:
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if accumulate_bad_lines is None:
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log_error(f'Ignoring map with invalid action: {d.original_definition}. Error: {err}')
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else:
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accumulate_bad_lines.append(BadLine(d.definition_location.number, d.definition_location.line, err, d.definition_location.file))
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keymap: KeyMap = {}
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sequence_map: SequenceMap = {}
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for defn in defns:
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is_no_op = defn.is_no_op
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if defn.is_sequence:
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keymap.pop(defn.trigger, None)
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s = sequence_map.setdefault(defn.trigger, {})
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if is_no_op:
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s.pop(defn.rest, None)
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if not s:
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del sequence_map[defn.trigger]
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else:
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s[defn.rest] = defn.actions
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else:
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sequence_map.pop(defn.trigger, None)
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if is_no_op:
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keymap.pop(defn.trigger, None)
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else:
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keymap[defn.trigger] = defn.actions
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opts.keymap = keymap
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opts.sequence_map = sequence_map
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def finalize_mouse_mappings(opts: Options, alias_map: Dict[str, List[ActionAlias]], accumulate_bad_lines: Optional[List[BadLine]] = None) -> None:
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defns: List[MouseMapping] = []
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for d in opts.mouse_map:
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if d is None: # clear_all_mouse_actions
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defns = [] # type: ignore
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else:
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try:
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defns.append(d.resolve_and_copy(opts.kitty_mod, alias_map))
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except Exception as err:
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if accumulate_bad_lines is None:
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log_error(f'Ignoring mouse_map with invalid action: {d.original_definition}. Error: {err}')
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else:
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accumulate_bad_lines.append(BadLine(d.definition_location.number, d.definition_location.line, err, d.definition_location.file))
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mousemap: MouseMap = {}
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for defn in defns:
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is_no_op = defn.is_no_op
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if is_no_op:
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mousemap.pop(defn.trigger, None)
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else:
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mousemap[defn.trigger] = defn.actions
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opts.mousemap = mousemap
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def parse_config(lines: Iterable[str], accumulate_bad_lines: Optional[List[BadLine]] = None) -> Dict[str, Any]:
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from .options.parse import create_result_dict, parse_conf_item
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ans: Dict[str, Any] = create_result_dict()
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parse_config_base(
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lines,
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parse_conf_item,
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ans,
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accumulate_bad_lines=accumulate_bad_lines
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)
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return ans
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def load_config(*paths: str, overrides: Optional[Iterable[str]] = None, accumulate_bad_lines: Optional[List[BadLine]] = None) -> Options:
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from .options.parse import merge_result_dicts
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overrides = tuple(overrides) if overrides is not None else ()
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opts_dict, paths = _load_config(defaults, partial(parse_config, accumulate_bad_lines=accumulate_bad_lines), merge_result_dicts, *paths, overrides=overrides)
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opts = Options(opts_dict)
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alias_map = build_action_aliases(opts.kitten_alias, 'kitten')
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alias_map.update(build_action_aliases(opts.action_alias))
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finalize_keys(opts, alias_map, accumulate_bad_lines)
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finalize_mouse_mappings(opts, alias_map, accumulate_bad_lines)
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# delete no longer needed definitions, replacing with empty placeholders
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opts.kitten_alias = {}
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opts.action_alias = {}
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opts.mouse_map = []
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opts.map = []
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if opts.background_opacity < 1.0 and opts.macos_titlebar_color:
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log_error('Cannot use both macos_titlebar_color and background_opacity')
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opts.macos_titlebar_color = 0
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opts.config_paths = paths
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opts.config_overrides = overrides
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return opts
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class KittyCommonOpts(TypedDict):
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select_by_word_characters: str
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open_url_with: List[str]
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url_prefixes: Tuple[str, ...]
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def common_opts_as_dict(opts: Optional[Options] = None) -> KittyCommonOpts:
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if opts is None:
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opts = defaults
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return {
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'select_by_word_characters': opts.select_by_word_characters,
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'open_url_with': opts.open_url_with,
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'url_prefixes': opts.url_prefixes,
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}
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