def __init__(self, environ):
        self.method = environ["REQUEST_METHOD"]
        self.path = urllib_parse.quote(from_wsgi_str(environ.get("SCRIPT_NAME", "")))
        self.path += urllib_parse.quote(from_wsgi_str(environ.get("PATH_INFO", "")))
        self.uri = self.path
        self.arguments = {}
        self.query = environ.get("QUERY_STRING", "")
        if self.query:
            self.uri += "?" + self.query
            self.arguments = parse_qs_bytes(native_str(self.query),
                                            keep_blank_values=True)
        self.version = "HTTP/1.1"
        self.headers = httputil.HTTPHeaders()
        if environ.get("CONTENT_TYPE"):
            self.headers["Content-Type"] = environ["CONTENT_TYPE"]
        if environ.get("CONTENT_LENGTH"):
            self.headers["Content-Length"] = environ["CONTENT_LENGTH"]
        for key in environ:
            if key.startswith("HTTP_"):
                self.headers[key[5:].replace("_", "-")] = environ[key]
        if self.headers.get("Content-Length"):
            self.body = environ["wsgi.input"].read(
                int(self.headers["Content-Length"]))
        else:
            self.body = ""
        self.protocol = environ["wsgi.url_scheme"]
        self.remote_ip = environ.get("REMOTE_ADDR", "")
        if environ.get("HTTP_HOST"):
            self.host = environ["HTTP_HOST"]
        else:
            self.host = environ["SERVER_NAME"]

        # Parse request body
        self.files = {}
        httputil.parse_body_arguments(self.headers.get("Content-Type", ""),
                                      self.body, self.arguments, self.files)

        self._start_time = time.time()
        self._finish_time = None
Parses the given WSGI environment to construct the request.
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/wsgi.py/HTTPRequest.__init__