Parse http raw request to python http request

RequestParser.py

import requests

CRLF = '\r\n'

DEFAULT_HTTP_VERSION = 'HTTP/1.1'


class RequestParser(object):
    def __parse_request_line(self, request_line):
        request_parts = request_line.split(' ')
        self.method = request_parts[0]
        self.url = request_parts[1]
        self.protocol = request_parts[2] if len(request_parts) > 2 else DEFAULT_HTTP_VERSION

    def __init__(self, req_text):
        req_lines = req_text.split(CRLF)
        self.__parse_request_line(req_lines[0])
        ind = 1
        self.headers = dict()
        while ind < len(req_lines) and len(req_lines[ind]) > 0:
            colon_ind = req_lines[ind].find(':')
            header_key = req_lines[ind][:colon_ind]
            header_value = req_lines[ind][colon_ind + 1:]
            self.headers[header_key] = header_value
            ind += 1
        ind += 1
        self.data = req_lines[ind:] if ind < len(req_lines) else None
        self.body = CRLF.join(self.data)

    def __str__(self):
        headers = CRLF.join(f'{key}: {self.headers[key]}' for key in self.headers)
        return f'{self.method} {self.url} {self.protocol}{CRLF}' \
               f'{headers}{CRLF}{CRLF}{self.body}'

    def to_request(self):
        req = requests.Request(method=self.method,
                               url=self.url,
                               headers=self.headers,
                               data=self.data, )
        return req


if __name__ == '__main__':
    r = RequestParser('''POST https://httpbin.org/post\r
Content-Type: application/json\r
\r
{\r
  "id": 999,\r
  "value": "content"\r
}''')
    print(r)
    req = req.to_request()
    print(r)