Files
evilnkode/cli/visualnkode.py
2025-09-09 18:22:22 +00:00

254 lines
9.0 KiB
Python

import json
from typing import Iterable
from dataclasses import dataclass, asdict
from src.evilnkode import Observation
from src.utils import observations, passcode_generator
from pathlib import Path
from PIL import Image, ImageDraw, ImageFont
from src.keypad.keypad import (
BaseKeypad,
SlidingSplitShuffleKeypad,
SlidingTowerShuffleKeypad,
RandomShuffleKeypad,
RandomSplitShuffleKeypad,
)
import argparse
@dataclass
class ObservationSequence:
target_passcode: list[int]
observations: list[Observation]
def new_observation_sequence(
keypad: BaseKeypad,
passcode_len: int,
complexity: int,
disparity: int,
numb_runs: int,
) -> ObservationSequence:
passcode = passcode_generator(keypad.k, keypad.p, passcode_len, complexity, disparity)
obs_gen = observations(
keypad=keypad,
target_passcode=passcode,
number_of_observations=numb_runs,
)
return ObservationSequence(target_passcode=passcode, observations=[obs for obs in obs_gen])
def _next_json_filename(base_dir: Path) -> Path:
"""Find the next available observation_X.json file in base_dir."""
counter = 1
while True:
candidate = base_dir / f"observation_{counter}.json"
if not candidate.exists():
return candidate
counter += 1
def save_observation_sequence_to_json(seq: ObservationSequence,
filename: Path) -> None:
filename.parent.mkdir(parents=True, exist_ok=True)
with filename.open("w", encoding="utf-8") as f:
json.dump(asdict(seq), f, indent=4)
# ---------- Helpers ----------
def _load_font(preferred: str, size: int) -> ImageFont.FreeTypeFont | ImageFont.ImageFont:
"""Try a preferred TTF, fall back to common monospace, then PIL default."""
candidates = [
preferred,
"DejaVuSansMono.ttf", # common on Linux
"Consolas.ttf", # Windows
"Menlo.ttc", "Menlo.ttf", # macOS
"Courier New.ttf",
]
for c in candidates:
try:
return ImageFont.truetype(c, size)
except Exception:
continue
return ImageFont.load_default()
def _text_size(draw: ImageDraw.ImageDraw, text: str, font: ImageFont.ImageFont) -> tuple[int, int]:
"""Get (w, h) using font bbox for accurate layout."""
left, top, right, bottom = draw.textbbox((0, 0), text, font=font)
return int(right - left), int(bottom - top)
def _join_nums(nums: Iterable[int]) -> str:
return " ".join(str(n) for n in nums)
def _next_available_path(path: Path) -> Path:
"""If path exists, append _1, _2, ..."""
if not path.exists():
return path
base, suffix = path.stem, path.suffix or ".png"
i = 1
while True:
candidate = path.with_name(f"{base}_{i}{suffix}")
if not candidate.exists():
return candidate
i += 1
# ---------- Core rendering ----------
def render_observation_to_png(
target_passcode: list[int],
obs: Observation,
out_path: Path,
*,
header_font_name: str = "DejaVuSans.ttf",
body_font_name: str = "DejaVuSans.ttf",
header_size: int = 28,
body_size: int = 24,
margin: int = 32,
row_padding_xy: tuple[int, int] = (16, 12), # (x, y) padding inside row box
row_spacing: int = 14,
header_spacing: int = 10,
section_spacing: int = 18,
bg_color: str = "white",
fg_color: str = "black",
row_fill: str = "#f7f7f7",
row_outline: str = "#222222",
):
"""
Render a single observation:
- Top lines:
Target Passcode: {target}
Selected Keys: {selected keys}
- Then a stack of row boxes representing the keypad rows.
"""
out_path.parent.mkdir(parents=True, exist_ok=True)
out_path = _next_available_path(out_path)
# Fonts
header_font = _load_font(header_font_name, header_size)
body_font = _load_font(body_font_name, body_size)
# Prepare strings
header1 = f"Target Passcode: {_join_nums(target_passcode)}"
header2 = f"Selected Keys: {_join_nums(obs.key_selection)}"
row_texts = [_join_nums(row) for row in obs.keypad]
# Measure to compute canvas size
# Provisional image for measurement
temp_img = Image.new("RGB", (1, 1), bg_color)
d = ImageDraw.Draw(temp_img)
h1_w, h1_h = _text_size(d, header1, header_font)
h2_w, h2_h = _text_size(d, header2, header_font)
row_text_sizes = [_text_size(d, t, body_font) for t in row_texts]
row_box_widths = [tw + 2 * row_padding_xy[0] for (tw, th) in row_text_sizes]
row_box_heights = [th + 2 * row_padding_xy[1] for (tw, th) in row_text_sizes]
content_width = max([h1_w, h2_w] + (row_box_widths or [0]))
total_rows_height = sum(row_box_heights) + row_spacing * max(0, len(row_box_heights) - 1)
width = content_width + 2 * margin
height = (
margin
+ h1_h
+ header_spacing
+ h2_h
+ section_spacing
+ total_rows_height
+ margin
)
# Create final image
img = Image.new("RGB", (max(width, 300), max(height, 200)), bg_color)
draw = ImageDraw.Draw(img)
# Draw headers
x = margin
y = margin
draw.text((x, y), header1, font=header_font, fill=fg_color)
y += h1_h + header_spacing
draw.text((x, y), header2, font=header_font, fill=fg_color)
y += h2_h + section_spacing
# Draw row boxes with evenly spaced numbers
max_box_width = max(row_box_widths) if row_box_widths else 0
for row, box_h in zip(obs.keypad, row_box_heights):
box_left = x
box_top = y
box_right = x + max_box_width
box_bottom = y + box_h
# draw row rectangle
draw.rectangle(
[box_left, box_top, box_right, box_bottom],
fill=row_fill,
outline=row_outline,
width=2
)
# evenly spaced numbers
n = len(row)
if n > 0:
available_width = max_box_width - 2 * row_padding_xy[0]
spacing = available_width / (n + 1)
for idx, num in enumerate(row, start=1):
num_text = str(num)
num_w, num_h = _text_size(draw, num_text, body_font)
num_x = box_left + row_padding_xy[0] + spacing * idx - num_w / 2
num_y = box_top + (box_h - num_h) // 2
draw.text((num_x, num_y), num_text, font=body_font, fill=fg_color)
y = box_bottom + row_spacing
img.save(out_path, format="PNG")
def _next_run_dir(base_dir: Path) -> Path:
"""Find the next available run directory under base_dir (run_001, run_002, ...)."""
counter = 1
while True:
run_dir = base_dir / f"run_{counter:03d}"
if not run_dir.exists():
run_dir.mkdir(parents=True)
return run_dir
counter += 1
def render_sequence_to_pngs(seq: ObservationSequence, out_dir: Path) -> None:
out_dir.mkdir(parents=True, exist_ok=True)
run_dir = _next_run_dir(out_dir)
for i, obs in enumerate(seq.observations, start=1):
filename = run_dir / f"observation_{i:03d}.png"
render_observation_to_png(seq.target_passcode, obs, filename)
if __name__ == "__main__":
shuffle_classes = {
'RandomSplitShuffle': RandomSplitShuffleKeypad,
'RandomShuffle': RandomShuffleKeypad,
'SlidingSplitShuffle': SlidingSplitShuffleKeypad,
'SlidingTowerShuffle': SlidingTowerShuffleKeypad
}
parser = argparse.ArgumentParser(description="Generate and save observation sequences with optional PNG rendering.")
parser.add_argument("--number-of-keys", type=int, default=6, help="Number of keys in the keypad (default: 6)")
parser.add_argument("--properties-per-key", type=int, default=9, help="Properties per key (default: 9)")
parser.add_argument("--passcode-length", type=int, default=4, help="Length of the passcode (default: 4)")
parser.add_argument("--complexity", type=int, default=0, help="Complexity of the passcode (default: 0)")
parser.add_argument("--disparity", type=int, default=0, help="Disparity of the passcode (default: 0)")
parser.add_argument("--num-runs", type=int, default=50, help="Number of observations to generate (default: 50)")
parser.add_argument("--shuffle-type", type=str, default="SlidingTowerShuffle", choices=list(shuffle_classes.keys()),
help="Keypad shuffle type: 'RandomShuffle' or 'SlidingTowerShuffle' (default: SlidingTowerShuffle)")
parser.add_argument("--output-dir", type=str, default="./output",
help="Custom output directory for JSON and PNG files")
args = parser.parse_args()
keypad = shuffle_classes[args.shuffle_type].new_keypad(6, 9)
obs_seq = new_observation_sequence(keypad, 4, 0, 0, numb_runs=50)
shuffle_type = str(type(keypad)).lower().split('.')[-1].replace("'>", "")
output_dir = Path(args.output_dir)
save_observation_sequence_to_json(obs_seq, output_dir / "obs.json")
render_sequence_to_pngs(obs_seq, output_dir / "obs_png")