2022-07-12 10:04:38 +00:00
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import json
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import os
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import re
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import string
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import subprocess
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import tempfile
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import time
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import traceback
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from makesticker import makesticker
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from makeplanche import makeplanche
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PORT = 8000
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2022-07-12 10:15:38 +00:00
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OUT_DIR = tempfile.gettempdir()
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2022-07-12 10:04:38 +00:00
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TEMPLATE_DIR = '/data'
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DEFAULT_DPI = 300
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def inkscapize(svg_in, pdf_out):
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png_out = tempfile.mktemp(suffix='.png')
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try:
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cmd = ['inkscape', '--export-type=png', f'--export-filename={png_out}',
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f'--export-dpi={DEFAULT_DPI}', svg_in]
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subprocess.check_call(cmd)
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cmd = ['convert', png_out, pdf_out]
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subprocess.check_call(cmd)
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finally:
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if os.path.exists(png_out):
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os.unlink(png_out)
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def parse_request(request):
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request = json.loads(request)
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# fill in sticker details
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sticker_out = tempfile.mktemp(suffix='.svg')
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try:
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with open(sticker_out, 'w') as stickout:
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landscape = request.get('landscape', False)
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print(f'landscape: {landscape}')
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makesticker(os.path.join(TEMPLATE_DIR, request['sticker']), stickout,
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request['subs'], landscape=landscape)
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# make sticker sheet
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planche_out = tempfile.mktemp(suffix='.svg')
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with open(sticker_out, 'r') as stickin:
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with open(planche_out, 'w') as planchout:
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makeplanche(stickin, planchout)
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# process to printable pdf
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pdf_out = tempfile.mktemp(dir=OUT_DIR, suffix='.pdf')
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inkscapize(planche_out, pdf_out)
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response = {'status': 'ok', 'file': os.path.basename(pdf_out),
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'message': 'this is the way'}
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return json.dumps(response)
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finally:
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if os.path.exists(sticker_out):
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os.unlink(sticker_out)
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if 'planche_out' in locals() and os.path.exists(planche_out):
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os.unlink(planche_out)
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class MyServer(BaseHTTPRequestHandler):
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def do_GET(self):
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if re.match(r'/data/\w+\.pdf', self.path) is not None:
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if not os.path.exists(self.path):
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self.send_response(404)
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self.end_headers()
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return
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self.send_response(200)
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self.send_header("Content-type", "application/pdf")
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self.end_headers()
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with open(self.path, 'rb') as f:
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self.wfile.write(f.read())
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return
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self.send_response(200)
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self.send_header("Content-type", "text/html; charset=UTF-8")
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self.end_headers()
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self.wfile.write(b"<html><head><title>Zetikettes</title></head>")
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self.wfile.write(b"<body>")
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self.wfile.write("<p>This is not the way.</p>".encode())
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self.wfile.write(b"</body></html>")
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def do_POST(self):
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try:
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length = int(self.headers['content-length'])
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req = self.rfile.read(length).decode()
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resp = parse_request(req).encode()
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except:
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self.send_response(500)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(traceback.format_exc().encode())
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raise
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self.send_response(200)
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self.send_header("Content-type", "application/json")
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self.send_header('Access-Control-Allow-Origin', '*')
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self.end_headers()
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self.wfile.write(resp)
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if __name__ == "__main__":
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webServer = HTTPServer(('', PORT), MyServer)
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print(f"Server started on port {PORT}")
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try:
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webServer.serve_forever()
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except KeyboardInterrupt:
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pass
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webServer.server_close()
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print("Server stopped.")
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