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# Copyright 2022 The pybadge Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""An HTTP image server that can be used to set logo embedding.
The server will respond to any request with the image data provided in the
constructor.
"""
from http import server
import threading
class ImageServer:
def __init__(self, image_data):
self._image_data = image_data
def start_server(self):
srv = self
class Handler(server.BaseHTTPRequestHandler):
def do_GET(self):
self.send_response(200)
self.send_header('Content-Type', 'image/png')
self.end_headers()
self.wfile.write(srv._image_data)
self._httpd = server.HTTPServer(('localhost', 0), Handler)
self.logo_url = "http://localhost:{0}".format(self._httpd.server_port)
thread = threading.Thread(target=self._httpd.serve_forever)
thread.start()
def fix_embedded_url_reference(self, example):
if example.get("logo") == "<embedded>":
example["logo"] = self.logo_url
def stop_server(self):
self._httpd.shutdown()
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