5 examples of 'flask get query parameters' in Python

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@app.route("/query_params/")
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def get_query_params(query_string: http.QueryString, query_params: http.QueryParams):
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    return {"query_params": dict(query_params)}

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@property
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def query(self) -> dict:
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    if self._query is None:
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        _q = parse_qs(self.query_string)
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        self._query = {k: _q[k][0] for k in _q}
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    return self._query

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def get_query_string():
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    """ return the parsed query string
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    """
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    qs = get_request().get("QUERY_STRING")
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    return dict(urlparse.parse_qsl(qs))

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def get_request_param(name):
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    return cgiex.get_request_query_value(name)

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def parse_query_parameters(query_params, request):
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    """
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    Parses query parameters given a request object.
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    :param query_params: Parameters definition as dictionary of dictionary.
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        The definition of each parameters has to have the following keys:
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        ``"aliases"``, ``"type"``, ``"required"``, ``"default"``.
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    :type query_params: dict
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    :param request: The request object.
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    """
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    parameters = {}
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    for param_name, param_def in query_params.items():
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        param = None
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        # Try to any of of the possible names.
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        for name in param_def["aliases"]:
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            param = request.get(name)
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            if param is not None:
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                break
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        if param is None:
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            if param_def["required"]:
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                return "Parameter '%s' is required." % param_name
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            elif param_def["default"] is not None:
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                parameters[param_name] = param_def["default"]
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            continue
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        # Convert types.
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        try:
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            parameters[param_name] = param_def["type"](param)
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        except Exception as e:
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            return "Error parsing parameter '%s': %s" % (
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                param_name, e)
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    return parameters