200 démons triviaux

source/exercice89/daemon.py

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+#!/usr/bin/env python
+from flask import Flask, request, jsonify
+from waitress import serve
+import os
+
+def handle(event, context):
+    return {
+        "statusCode": 200,
+        "body": {
+        "_valide": True,
+        "_messages": ["T'es un·e champion·ne", "C'est exactement tralala89 que j'attendais"],
+        'feedbacks_html': "<div>\n<p>Exercice réussi!</p>\n<ul>\n<li>T'es un·e champion·ne</li>\n<li>C'est exactement 'b'coucou'' que j'attendais</li>\n</ul>\n</div>\n"
+    }
+    }
+
+app = Flask(__name__)
+
+class Event:
+    def __init__(self):
+        self.body = request.get_data()
+        self.headers = request.headers
+        self.method = request.method
+        self.query = request.args
+        self.path = request.path
+
+class Context:
+    def __init__(self):
+        self.hostname = os.getenv('HOSTNAME', 'localhost')
+
+def format_status_code(resp):
+    if 'statusCode' in resp:
+        return resp['statusCode']
+    
+    return 200
+
+def format_body(resp):
+    if 'body' not in resp:
+        return ""
+    elif type(resp['body']) == dict:
+        return jsonify(resp['body'])
+    else:
+        return str(resp['body'])
+
+def format_headers(resp):
+    if 'headers' not in resp:
+        return []
+    elif type(resp['headers']) == dict:
+        headers = []
+        for key in resp['headers'].keys():
+            header_tuple = (key, resp['headers'][key])
+            headers.append(header_tuple)
+        return headers
+    
+    return resp['headers']
+
+def format_response(resp):
+    if resp == None:
+        return ('', 200)
+
+    statusCode = format_status_code(resp)
+    body = format_body(resp)
+    headers = format_headers(resp)
+
+    return (body, statusCode, headers)
+
+@app.route('/', defaults={'path': ''}, methods=['GET', 'PUT', 'POST', 'PATCH', 'DELETE'])
+@app.route('/<path:path>', methods=['GET', 'PUT', 'POST', 'PATCH', 'DELETE'])
+def call_handler(path):
+    event = Event()
+    context = Context()
+    response_data = handle(event, context)
+    
+    resp = format_response(response_data)
+    return resp
+
+if __name__ == '__main__':
+    serve(app, port=8082)

source/exercice89/daemon.py.old

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+#!/usr/bin/env python3
+"""
+Un serveur pour répondre à une tentative étudiante
+On est content quoi qu'on nous propose…
+"""
+
+import cbor
+import sys
+import json
+import signal
+from http.server import BaseHTTPRequestHandler
+import socketserver
+
+
+def résultat(code_etu):
+    return {
+        "_valide": True,
+        "_messages": ["T'es un·e champion·ne", "C'est exactement '" + str(code_etu) + "' que j'attendais"],
+        'feedbacks_html': "<div>\n<p>Exercice réussi!</p>\n<ul>\n<li>T'es un·e champion·ne</li>\n<li>C'est exactement 'b'coucou'' que j'attendais</li>\n</ul>\n</div>\n"
+    }
+
+
+class Handler(BaseHTTPRequestHandler):
+
+    def do_POST(self):
+        mesg=b""
+        while True:
+            line = self.rfile.readline().strip()
+            chunk_length = int(line, 16)
+            if chunk_length != 0:
+                    chunk = self.rfile.read(chunk_length)
+                    mesg+=chunk
+                    self.rfile.readline()
+            else:
+                break
+
+
+        self.send_response(200)
+        self.end_headers()
+        dict_code_etu = cbor.loads(mesg)
+        code_etu = dict_code_etu["code_etu"]
+        print("reçu: ", code_etu)
+        self.wfile.write(json.dumps(résultat(code_etu)).encode() + b'\n')
+        self.wfile.flush()
+
+def sigterm_handler(_signo, _stack_frame):
+    exit(0)
+
+if __name__ == "__main__":
+    signal.signal(signal.SIGTERM, sigterm_handler)
+    with socketserver.TCPServer(("", 8082), Handler ) as httpd:
+        httpd.serve_forever()

source/exercice89/requirements.txt

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+cbor
+flask
+waitress

source/exercice89/setup.py

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+from setuptools import setup, find_packages
+setup(
+    name="ToujoursContent",
+    version="0.1",
+    packages=find_packages(),
+    scripts=['daemon.py']
+)

source/exercice89/shell.nix

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+with (import <nixpkgs> {});
+
+(python3.withPackages (ps: [ps.flask ps.waitress ps.pip])).env