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from pydenticon import Generator
from twisted.web.resource import Resource
FOREGROUND = [
"rgb(45,79,255)",
"rgb(254,180,44)",
"rgb(226,121,234)",
"rgb(30,179,253)",
"rgb(232,77,65)",
"rgb(49,203,115)",
"rgb(141,69,170)"
]
BACKGROUND = "rgb(224,224,224)"
SIZE = 5
class IdenticonResource(Resource):
isLeaf = True
def __init__(self):
Resource.__init__(self)
self.generator = Generator(
SIZE, SIZE, foreground=FOREGROUND, background=BACKGROUND,
)
def generate_identicon(self, name, width, height):
v_padding = width % SIZE
h_padding = height % SIZE
top_padding = v_padding // 2
left_padding = h_padding // 2
bottom_padding = v_padding - top_padding
right_padding = h_padding - left_padding
width -= v_padding
height -= h_padding
padding = (top_padding, bottom_padding, left_padding, right_padding)
identicon = self.generator.generate(
name, width, height, padding=padding
)
return identicon
def render_GET(self, request):
name = "/".join(request.postpath)
width = int(request.args.get("width", [96])[0])
height = int(request.args.get("height", [96])[0])
identicon_bytes = self.generate_identicon(name, width, height)
request.setHeader(b"Content-Type", b"image/png")
return identicon_bytes
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