Add completion for the kittens

kittens/diff/main.py

@@ -17,7 +17,7 @@ from typing import (
     Any, DefaultDict, Dict, Iterable, Iterator, List, Optional, Tuple, Union
 )
 
-from kitty.cli import CONFIG_HELP, parse_args
+from kitty.cli import CONFIG_HELP, parse_args, CompletionSpec
 from kitty.cli_stub import DiffCLIOptions
 from kitty.conf.utils import KeyAction
 from kitty.constants import appname
@@ -577,6 +577,7 @@ number set in :file:`diff.conf`.
 
 --config
 type=list
+completion=type:file ext:conf group:"Config files" kwds:none,NONE
 {config_help}
 
 
@@ -687,6 +688,7 @@ elif __name__ == '__doc__':
     cd['usage'] = usage
     cd['options'] = OPTIONS
     cd['help_text'] = help_text
+    cd['args_completion'] = CompletionSpec.from_string('type:file mime:text/* mime:image/* group:"Text and image files"')
 elif __name__ == '__conf__':
     from .options.definition import definition
     sys.options_definition = definition  # type: ignore

kittens/icat/main.py

@@ -15,7 +15,7 @@ from typing import (
     Dict, Generator, List, NamedTuple, Optional, Pattern, Tuple, Union
 )
 
-from kitty.cli import parse_args
+from kitty.cli import parse_args, CompletionSpec
 from kitty.cli_stub import IcatCLIOptions
 from kitty.constants import appname
 from kitty.guess_mime_type import guess_type
@@ -622,3 +622,4 @@ elif __name__ == '__doc__':
     cd['usage'] = usage
     cd['options'] = options_spec
     cd['help_text'] = help_text
+    cd['args_completion'] = CompletionSpec.from_string('type:file mime:image/* group:Images')

kittens/themes/collection.py

@@ -8,17 +8,20 @@ import os
 import re
 import shutil
 import signal
+import sys
 import tempfile
 import zipfile
 from contextlib import suppress
-from typing import Any, Callable, Dict, Iterator, Match, Optional, Tuple, Union, Type
+from typing import (
+    Any, Callable, Dict, Iterator, Match, Optional, Tuple, Type, Union
+)
 from urllib.error import HTTPError
 from urllib.request import Request, urlopen
 
 from kitty.config import atomic_save, parse_config
 from kitty.constants import cache_dir, config_dir
-from kitty.options.types import Options as KittyOptions
 from kitty.fast_data_types import Color
+from kitty.options.types import Options as KittyOptions
 from kitty.utils import reload_conf_in_all_kitties
 
 from ..choose.match import match
@@ -647,3 +650,13 @@ def load_themes(cache_age: float = 1., ignore_no_cache: bool = False) -> Themes:
     ans.load_from_dir(os.path.join(config_dir, 'themes'))
     ans.index_map = tuple(ans.themes)
     return ans
+
+
+def print_theme_names() -> None:
+    found = False
+    for theme in load_themes(cache_age=-1, ignore_no_cache=True):
+        print(theme.name)
+        found = True
+    if not found:
+        print('Default')
+    sys.stdout.flush()

kittens/themes/main.py

@@ -11,12 +11,12 @@ from typing import (
     Any, Callable, Dict, Iterable, Iterator, List, Optional, Tuple, Union
 )
 
-from kitty.cli import create_default_opts, parse_args
+from kitty.cli import CompletionSpec, create_default_opts, parse_args
 from kitty.cli_stub import ThemesCLIOptions
 from kitty.config import cached_values_for
-from kitty.options.types import Options as KittyOptions
 from kitty.constants import config_dir
 from kitty.fast_data_types import truncate_point_for_length, wcswidth
+from kitty.options.types import Options as KittyOptions
 from kitty.rgb import color_as_sharp, color_from_int
 from kitty.typing import KeyEventType
 from kitty.utils import ScreenSize
@@ -616,3 +616,4 @@ elif __name__ == '__doc__':
     cd['usage'] = usage
     cd['options'] = OPTIONS
     cd['help_text'] = help_text
+    cd['args_completion'] = CompletionSpec.from_string('type:special group:complete_themes')