Generate canvases based on pixels placed by certain users or instances or timestamps

pixel.py

from PIL import Image, ImageDraw
from datetime import datetime

# Get yours here https://cdn.sc07.company/canvas/2023/pixels.log.txt
log_filename = 'pixels.log.txt'

# Show pixles after this unix timestamp
start_time = 0

# Show specific users (example top 10 pixel placers)
# users = "guantousam@lemmy.world \
#         ShadowGlider@lemmy.world \
#         DragonM97HD@lemmy.world \
#         Lokloy@lemmy.world \
#         DJSoundwav3@lemmy.world \
#         ubermeisters@lemmy.world \
#         peter_pangolin@toast.ooo \
#         Bottom@lemm.ee \
#         NanoPi@lemmy.world \
#         akq@lemm.ee"
# None specified will show ALL
# CASE SENSITIVE!!!
users = None

# Instances. None specified will show ALL instances
# Example, only show blahaj and lemmy.zip
# instances = "lemmy.blahaj.zone lemmy.zip"
instances = None

# Color palette dictionary
color_palette = {
    0: "000000",
    1: "222222",
    2: "555555",
    3: "888888",
    4: "CDCDCD",
    5: "FFFFFF",
    6: "FFD5BC",
    7: "FFB783",
    8: "B66D3D",
    9: "77431F",
    10: "FC7510",
    11: "FCA80E",
    12: "FDE817",
    13: "FFF491",
    14: "BEFF40",
    15: "70DD13",
    16: "31A117",
    17: "0B5F35",
    18: "277E6C",
    19: "32B69F",
    20: "88FFF3",
    21: "24B5FE",
    22: "125CC7",
    23: "262960",
    24: "8B2FA8",
    25: "D24CE9",
    26: "FF59EF",
    27: "FFA9D9",
    28: "FF6474",
    29: "F02523",
    30: "B11206",
    31: "740C00"
}

# Function to convert hex color to RGB tuple
def hex_to_rgb(hex_color: str) -> tuple[int, int, int]:
    return tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))


# Mapping pallet index to RGB color values
color_mapping = {index: hex_to_rgb(hex_color) for index, hex_color in color_palette.items()}

# Read log
def read_log_entries(filename: str) -> list[tuple]:
    log_entries = []
    with open(filename, 'r') as log_file:
        for line in log_file:
            parts = line.strip().split('\t')
            timestamp = parts[0]
            user = parts[1]
            x_coord = int(parts[2])
            y_coord = int(parts[3])
            color = int(parts[4])
            action = parts[5]
            log_entries.append((timestamp, user, x_coord, y_coord, color, action))
    return log_entries


def filter_pixels(actions: str, start_time: int, users = None, instances = None):
    log_entries = read_log_entries(log_filename)
    pixel_actions = {}
    for entry in log_entries:
        timestamp, user, x_coord, y_coord, color, action = entry
        if start_time == 0 or datetime.strptime(timestamp, '%Y-%m-%d %H:%M:%S,%f') > datetime.fromtimestamp(start_time):
            if not users or user in users:
                if not instances or user.split("@")[-1] in instances:
                    if action == actions:
                        pixel_actions[(x_coord, y_coord)] = (user, color_mapping[color], timestamp)
    return pixel_actions


def draw_pixels(pixels, output: str) -> None:
    image_size = (1000, 1000)
    image = Image.new("RGB", image_size, "white")
    draw = ImageDraw.Draw(image)

    for pixel, (user, color, _) in pixels.items():
        x, y = pixel
        draw.point((x, y), fill=color)

    image.save(output)


draw_pixels(filter_pixels("user place", start_time, users, instances), "output_image.png")