def render_tile(location):
# Connect to Redis and Blockchain
redis_server = connect_redis()
contract = get_contract()
# Get Tile Data
try:
tile = contract.call().getTile(location)
except:
print "Can't connect to Parity, or !synced to block #2641527. Waiting \
5 seconds..."
tile = False
while not tile:
try:
tile = contract.call().getTile(location)
except:
time.sleep(5)
print "Can't connect to Parity, or !synced to block #2641527. \
Waiting 5 seconds..."
tile = False
owner = tile[0]
url = tile[2]
image = tile[1]
price = tile[3]
tile_name = str(location)
print "Rendering " + tile_name + "..."
# Defaults if data not set.
if not url:
url = get_default_url()
if not image:
image = get_default_tile(owner)
if (price != 0):
image = get_for_sale_tile()
# Update Redis Data
redis_server.hmset(tile_name, {'owner': owner, 'url': url})
# Render Image from Image Data. Every 3 char. represents 1 pixel.
rgb_image_data = []
for pixel in chunk_str(image, 3):
rgb_image_data.append(hex_to_rgb(double_mult(pixel)))
# Start with Black Image
rendered_image = Image.new('RGB', (16, 16), "black")
pixels = rendered_image.load()
# For every pixel in image:
for i in range(rendered_image.size[0]):
for j in range(rendered_image.size[1]):
pixel = rgb_image_data[get_position(i, j)]
pixels[i, j] = (pixel[0], pixel[1], pixel[2])
# Save Tile
rendered_image.save('tiles/' + tile_name + ".png")
#!/usr/bin/env python
from functions import (get_contract, render_full_image)
import gevent
import random
from render_tile import render_tile
from render_html import render_html
from render_all_tiles import render_all_tiles
# Connect to Servers
contract = get_contract()
# Refresh all
print "Re-rendering everything, that way we don't miss anything!"
render_all_tiles()
render_full_image()
render_html()
# Starting Listener
print "Starting Listener"
def new_transaction_callback(transaction_hash):
location = transaction_hash['args']['location']
print "Transaction Spotted! Updating: " + str(location)
render_tile(location)
render_full_image()
render_html()
filter = contract.on('TileUpdated', {}, new_transaction_callback)
print("Watching patiently for transactions...")
def render_tile(location):
# Connect to Redis and Blockchain
redis_server = connect_redis()
contract = get_contract()
# Get Tile Data
try:
tile = contract.functions.tiles(location).call()
except Exception as e:
print(e)
print(
"Can't connect to Parity, or !synced to block #2641527. Waiting 5 seconds..."
)
tile = False
while not tile:
try:
tile = contract.functions.tiles(location).call()
except Exception as e:
time.sleep(5)
print("Can't connect to Parity, or !synced to block #2641527. \
Waiting 5 seconds...")
print(e)
tile = False
owner = tile[0]
url = tile[2]
image = tile[1]
price = tile[3]
tile_name = str(location)
print("Rendering " + tile_name + "...")
# Defaults if data not set.
if not url:
url = get_default_url()
if not image:
image = get_default_tile(owner)
image = image.strip()
if not len(image) == 768:
image = get_default_tile(owner)
if price != 0:
image = get_for_sale_tile()
# Update Redis Data
redis_server.hmset(tile_name, {"owner": owner, "url": url})
# Render Image from Image Data. Every 3 char. represents 1 pixel.
rgb_image_data = []
for pixel in chunk_str(image, 3):
rgb_image_data.append(hex_to_rgb(double_mult(pixel)))
# Start with Black Image
rendered_image = Image.new("RGB", (16, 16), "black")
pixels = rendered_image.load()
# For every pixel in image:
for i in range(rendered_image.size[0]):
for j in range(rendered_image.size[1]):
pixel = rgb_image_data[get_position(i, j)]
pixels[i, j] = (pixel[0], pixel[1], pixel[2])
# Save Tile
rendered_image.save("tiles/" + tile_name + ".png")
# Make big tile for OpenSea
big_tile = rendered_image.resize((350, 350), Image.NEAREST)
big_tile.save("large_tiles/" + tile_name + ".png")
data = {
"description": "Official PixelMap (2016) Wrapper",
"external_url": url,
"image":
f"https://s3.us-east-1.amazonaws.com/pixelmap.io/{tile_name}.png",
"name": f"Tile #{tile_name}",
}
with open(f"large_tiles/{tile_name}.json", "w") as outfile:
json.dump(data, outfile, indent=4)