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#!/usr/bin/env python3
from typing import Optional, Any, Iterator
import json
from tempfile import NamedTemporaryFile
import subprocess
def flatten(obj) -> Iterator[Any]:
for value in obj:
if isinstance(value, list):
yield from flatten(value)
else:
yield value
class Node:
module: str
key: str
format: Optional[str]
text: Optional[str]
additional_entries: Optional[dict[str, type[Any]]]
font_effect: Optional[str]
neighbour_branches: str
children: list["Node"]
def __init__(self, module, key, format=None, additional_entries=None, text=None, font_effect=None):
self.module = module
self.key = key
self.format = format
self.text = text
self.additional_entries = additional_entries
self.font_effect = font_effect
self.children = []
def __str__(self) -> str:
return f'Node {self.construct_module()}, children: {self.children}'
def __repr__(self) -> str:
return self.__str__()
def construct_module(self) -> dict[str, type[Any]]:
module = {"type": self.module}
# if self.font_effect:
# font_effect = self.font_effect
# else:
# font_effect = font_effects["reset"]
# key = {"key": f"{{{font_effect}}} {self.key}"}
key = {"key": self.key}
if self.format:
format = {"format": self.format}
else:
format = {}
if self.text:
text = {"text": self.text}
else:
text = {}
if self.additional_entries:
additional_entries = self.additional_entries
else:
additional_entries = {}
return module | key | format | text | additional_entries
def collect_branch(self):
return [self.construct_module()] + [node.collect_branch() for node in self.children]
def add_children(self, *nodes: type["Node"]) -> type["Node"]:
self.children += nodes
return self
schema = {
"$schema": "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json"
}
logo = {"padding": {"left": 3, "right": 3, "top": 3}}
font_effects = {
"reset": "#0",
"software": "\u001b[38;2;0;255;0m",
"os": "\u001b[38;2;0;255;60m",
"terminal": "\u001b[38;2;0;255;120m",
"graphics": "\u001b[38;2;0;255;180m",
"development": "\u001b[38;2;0;255;240m",
"hardware": "\u001b[38;2;255;255;0m",
"chassis": "\u001b[38;2;255;180;0m",
"miscellaneous": "\u001b[38;2;195;120;225m",
}
graphics = {
"branch": "├",
"vbar": "│",
"end": "└",
"hbar": "─",
}
modules = {
"software_root": Node("custom", "Software", font_effect=font_effects["software"]),
"os": Node("os", "OS"),
"bootmgr": Node("bootmgr", "Boot", format="{name}"),
"init": Node("initsystem", "Init"),
"kernel": Node("kernel", "Kernel"),
"lm": Node("lm", "LM"),
"packages": Node("packages", "Packages"),
"terminal": Node("terminal", "Terminal", font_effect=font_effects["terminal"]),
"terminal_font": Node("terminalfont", "Font"),
"shell": Node("shell", "Shell"),
"graphics": Node("custom", "Graphics", font_effect=font_effects["graphics"]),
"de": Node("de", "DE"),
"wm": Node("wm", "WM"),
"icons": Node("icons", "Icons"),
"cursor": Node("cursor", "Cursor"),
"font": Node("font", "Font"),
"theme": Node("theme", "Theme"),
"development": Node("custom", "Development", font_effect=font_effects["development"]),
"editor": Node("editor", "Editor"),
"git": Node("command", "Git", text="git --version", format="{~12}"),
"python": Node("command", "Python", text="python --version", format="{~7}"),
"gcc": Node("command", "GCC", text="gcc --version | head -1 | cut -d ' ' -f 3", format="{}"),
"clang": Node("command", "Clang", text="clang --version | head -1 | cut -d ' ' -f 3", format="{}"),
"nodejs": Node("command", "NodeJS", text="node --version", format="{}"),
"hardware_root": Node("custom", "Hardware", font_effect=font_effects["hardware"]),
"chassis": Node("chassis", "Chassis"),
"host": Node("host", "Host", format="{vendor} {name}"),
"board": Node("board", "Board"),
"bios": Node("bios", "BIOS", format="[{type}] {vendor} {version}"),
"cpu": Node("cpu", "CPU"),
"cpu_cache": Node("cpucache", "CPU Cache"),
"gpu": Node("gpu", "GPU", format="[{type}] {vendor} {name}"),
"gpu_driver": Node("gpu", "Driver", format="{driver}"),
"disk": Node("disk", "Disk"),
"ram": Node("memory", "RAM"),
"swap": Node("swap", "Swap"),
"battery": Node("battery", "Battery"),
"display": Node("display", "Display"),
"misc_root": Node("custom", "Miscellaneous information", font_effect=font_effects["miscellaneous"]),
"datetime": Node("datetime", "Date & Time"),
"uptime": Node("uptime", "Uptime"),
"os_age": Node("disk", "OS age", format="{days} days (since {create-time:10})", additional_entries={"folders": "/"}),
"media": Node("media", "Now playing"),
"version": Node("version", "Fastfetch", format="{version}"),
}
roots = [
modules["software_root"].add_children(
modules["os"].add_children(
modules["bootmgr"],
modules["init"],
modules["kernel"],
modules["lm"],
modules["packages"],
),
modules["terminal"].add_children(
modules["shell"],
modules["terminal_font"],
),
modules["graphics"].add_children(
modules["de"],
modules["wm"],
modules["icons"],
modules["cursor"],
modules["font"],
modules["theme"],
),
modules["development"].add_children(
modules["editor"],
modules["git"],
modules["python"],
modules["gcc"],
modules["clang"],
modules["nodejs"],
),
),
modules["hardware_root"].add_children(
modules["chassis"].add_children(
modules["host"],
modules["board"].add_children(modules["bios"]),
modules["cpu"].add_children(modules["cpu_cache"]),
modules["gpu"].add_children(modules["gpu_driver"]),
modules["disk"],
modules["ram"].add_children(modules["swap"]),
modules["battery"],
),
modules["display"]
),
modules["misc_root"].add_children(
modules["datetime"],
modules["uptime"],
modules["os_age"],
modules["version"],
),
]
modules = {"modules": list(flatten(root.collect_branch() for root in roots))}
with NamedTemporaryFile(mode='w', delete_on_close=False, suffix=".jsonc") as tmp_config:
json.dump(schema | logo | modules, tmp_config)
tmp_config.flush()
fastfetch_response = subprocess.run(
["fastfetch", "--config", tmp_config.name, "--json"],
capture_output=True
)
fastfetch_data = json.loads(fastfetch_response.stdout)
print(json.dumps(fastfetch_data, indent=2))
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