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import json
import random
from pathlib import Path
from caelestia.utils.material import get_colours_for_image
from caelestia.utils.notify import notify
from caelestia.utils.paths import atomic_dump, scheme_data_dir, scheme_path
class Scheme:
_name: str
_flavour: str
_mode: str
_variant: str
_colours: dict[str, str]
notify: bool
def __init__(self, json: dict[str, any] | None) -> None:
if json is None:
self._name = "catppuccin"
self._flavour = "mocha"
self._mode = "dark"
self._variant = "tonalspot"
self._colours = read_colours_from_file(self.get_colours_path())
else:
self._name = json["name"]
self._flavour = json["flavour"]
self._mode = json["mode"]
self._variant = json["variant"]
self._colours = json["colours"]
self.notify = False
@property
def name(self) -> str:
return self._name
@name.setter
def name(self, name: str) -> None:
if name == self._name:
return
if name not in get_scheme_names():
if self.notify:
notify(
"-u",
"critical",
"Unable to set scheme",
f'"{name}" is not a valid scheme.\nValid schemes are: {get_scheme_names()}',
)
raise ValueError(f"Invalid scheme name: {name}")
self._name = name
self._check_flavour()
self._check_mode()
self._update_colours()
self.save()
@property
def flavour(self) -> str:
return self._flavour
@flavour.setter
def flavour(self, flavour: str) -> None:
if flavour == self._flavour:
return
if flavour not in get_scheme_flavours():
if self.notify:
notify(
"-u",
"critical",
"Unable to set scheme flavour",
f'"{flavour}" is not a valid flavour of scheme "{self.name}".\n'
f"Valid flavours are: {get_scheme_flavours()}",
)
raise ValueError(f'Invalid scheme flavour: "{flavour}". Valid flavours: {get_scheme_flavours()}')
self._flavour = flavour
self._check_mode()
self.update_colours()
@property
def mode(self) -> str:
return self._mode
@mode.setter
def mode(self, mode: str) -> None:
if mode == self._mode:
return
if mode not in get_scheme_modes():
if self.notify:
notify(
"-u",
"critical",
"Unable to set scheme mode",
f'Scheme "{self.name} {self.flavour}" does not have a {mode} mode.',
)
raise ValueError(f'Invalid scheme mode: "{mode}". Valid modes: {get_scheme_modes()}')
self._mode = mode
self.update_colours()
@property
def variant(self) -> str:
return self._variant
@variant.setter
def variant(self, variant: str) -> None:
if variant == self._variant:
return
self._variant = variant
self.update_colours()
@property
def colours(self) -> dict[str, str]:
return self._colours
def get_colours_path(self) -> Path:
return (scheme_data_dir / self.name / self.flavour / self.mode).with_suffix(".txt")
def save(self) -> None:
scheme_path.parent.mkdir(parents=True, exist_ok=True)
atomic_dump(
scheme_path,
{
"name": self.name,
"flavour": self.flavour,
"mode": self.mode,
"variant": self.variant,
"colours": self.colours,
},
)
def set_random(self) -> None:
self._name = random.choice(get_scheme_names())
self._flavour = random.choice(get_scheme_flavours())
self._mode = random.choice(get_scheme_modes())
self.update_colours()
def update_colours(self) -> None:
self._update_colours()
self.save()
def _check_flavour(self) -> None:
if self._flavour not in get_scheme_flavours(self.name):
self._flavour = get_scheme_flavours()[0]
def _check_mode(self) -> None:
if self._mode not in get_scheme_modes(self.name, self.flavour):
self._mode = get_scheme_modes()[0]
def _update_colours(self) -> None:
if self.name == "dynamic":
try:
self._colours = get_colours_for_image()
except FileNotFoundError:
if self.notify:
notify(
"-u",
"critical",
"Unable to set dynamic scheme",
"No wallpaper set. Please set a wallpaper via `caelestia wallpaper` before setting a dynamic scheme.",
)
raise ValueError(
"No wallpaper set. Please set a wallpaper via `caelestia wallpaper` before setting a dynamic scheme."
)
else:
self._colours = read_colours_from_file(self.get_colours_path())
def __str__(self) -> str:
return (
f"Current scheme:\n"
f" Name: {self.name}\n"
f" Flavour: {self.flavour}\n"
f" Mode: {self.mode}\n"
f" Variant: {self.variant}\n"
f" Colours:\n"
f" {'\n '.join(f'{n}: \x1b[38;2;{int(c[0:2], 16)};{int(c[2:4], 16)};{int(c[4:6], 16)}m{c}\x1b[0m' for n, c in self.colours.items())}"
)
scheme_variants = [
"tonalspot",
"vibrant",
"expressive",
"fidelity",
"fruitsalad",
"monochrome",
"neutral",
"rainbow",
"content",
]
scheme: Scheme = None
def read_colours_from_file(path: Path) -> dict[str, str]:
return {k.strip(): v.strip() for k, v in (line.split(" ") for line in path.read_text().splitlines())}
def get_scheme_path() -> Path:
return get_scheme().get_colours_path()
def get_scheme() -> Scheme:
global scheme
if scheme is None:
try:
scheme_json = json.loads(scheme_path.read_text())
scheme = Scheme(scheme_json)
except (IOError, json.JSONDecodeError):
scheme = Scheme(None)
scheme.save()
return scheme
def get_scheme_names() -> list[str]:
return [*(f.name for f in scheme_data_dir.iterdir() if f.is_dir()), "dynamic"]
def get_scheme_flavours(name: str = None) -> list[str]:
if name is None:
name = get_scheme().name
return ["default"] if name == "dynamic" else [f.name for f in (scheme_data_dir / name).iterdir() if f.is_dir()]
def get_scheme_modes(name: str = None, flavour: str = None) -> list[str]:
if name is None:
scheme = get_scheme()
name = scheme.name
flavour = scheme.flavour
if name == "dynamic":
return ["light", "dark"]
else:
return [f.stem for f in (scheme_data_dir / name / flavour).iterdir() if f.is_file()]
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