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how i can parse all GET params from URL in flask? I tried use request.args.get, but it works with specific GET params (pre defined), but i need parse it all from my large URL (ex: http://site.ru/?a=1&b=2&c=3&some_string=string...)
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In the first one we would use request. args. get('<argument name>') where request is the instance of the class request imported from Flask. Args is the module under which the module GET is present which will enable the retrieve of the parameters.
The args attribute is a dictionary containing arguments from the URL. The get() method is a built-in dictionary method that will “get” an item from a dictionary or return a default value ( None if key not found). In this case, it avoids a KeyError if “name” argument not found.
request.args is a MultiDict with the parsed contents of the query string. From the documentation of get method: get(key, default=None, type=None) Return the default value if the requested data doesn't exist.
To send parameters in URL, write all parameter key:value pairs to a dictionary and send them as params argument to any of the GET, POST, PUT, HEAD, DELETE or OPTIONS request. then https://somewebsite.com/?param1=value1¶m2=value2 would be our final url.
If you use request.args it will provide a dictonary with key-value pairs of the GET parameters
Ex: http://website.com/index?arg1=hello&arg2=world
print request.args
>> {"arg1": "hello", "arg2": "world"}
The request.args.get(key) is a useful dictionary function that will return None if the parameter is not set rather than raising a KeyError
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