Simple debugging HTTP server

http_ear.py

#coding: utf8
""" Simple debugging HTTP server
2020-11-20 v1.0 by Cees Timmerman
"""
import logging
from pprint import pformat as pf

from flask import Flask, request, make_response

app = Flask(__name__)
log = logging.getLogger('werkzeug')

@app.route('/', defaults={'path': ''})
@app.route('/<path:path>', methods=["GET", "POST", "OPTIONS"])
def read(path):
    """request['__class__', '__delattr__', '__dict__', '__dir__', '__doc__', '__enter__', '__eq__', '__exit__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__module__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', '__weakref__', '_cached_json', '_get_data_for_json', '_get_file_stream', '_get_stream_for_parsing', '_load_form_data', '_parse_content_type', 'accept_charsets', 'accept_encodings', 'accept_languages', 'accept_mimetypes', 'access_control_request_headers', 'access_control_request_method', 'access_route', 'application', 'args', 'authorization', 'base_url', 'blueprint', 'cache_control', 'charset', 'close', 'content_encoding', 'content_length', 'content_md5', 'content_type', 'cookies', 'data', 'date', 'dict_storage_class', 'disable_data_descriptor', 'encoding_errors', 'endpoint', 'environ', 'files', 'form', 'form_data_parser_class', 'from_values', 'full_path', 'get_data', 'get_json', 'headers', 'host', 'host_url', 'if_match', 'if_modified_since', 'if_none_match', 'if_range', 'if_unmodified_since', 'input_stream', 'is_json', 'is_multiprocess', 'is_multithread', 'is_run_once', 'is_secure', 'json', 'json_module', 'list_storage_class', 'make_form_data_parser', 'max_content_length', 'max_form_memory_size', 'max_forwards', 'method', 'mimetype', 'mimetype_params', 'on_json_loading_failed', 'origin', 'parameter_storage_class', 'path', 'pragma', 'query_string', 'range', 'referrer', 'remote_addr', 'remote_user', 'routing_exception', 'scheme', 'script_root', 'shallow', 'stream', 'trusted_hosts', 'url', 'url_charset', 'url_root', 'url_rule', 'user_agent', 'values', 'view_args', 'want_form_data_parsed']"""
    res = f"{request.method} /{path} {pf(list(request.form.items()))} {pf({k:getattr(request, k) for k in dir(request) if k in ['args', 'data', 'form', 'headers', 'json', 'referrer', 'remote_addr', 'remote_user', 'values']})}"
    log.error(res)
    resp = make_response({})
    resp.headers['Access-Control-Allow-Headers'] = '*'
    resp.headers['Access-Control-Allow-Origin'] = '*'
    log.error(pf(resp.headers))
    return resp

if __name__ == '__main__':
    app.run(debug=True)  # http://127.0.0.1:5000/