requests get method how to use

Question

I use requests to send some data to a server. The URL needs to look like "http://IP:PORT/api/json/v1/transfer/transferItem?organisation=Organisation&branch=1&itemnumber=1&operation=U&dyn=VARIABLE1=blabla;VARIABLE2=blabla"

I Used the following Code:

def send(self):
    for i in range(1, 8):
        try:
            self.statusBar().showMessage('Connection...')
            resp = requests.get(url,
                params={'organisation': 'Organisation', 'branch': '1', 'itemnumber': str(i), 'operation': 'U', 'dyn': {'VARIABLE1': 'blabla', 'VARIABLE2': 'blabla'} })
            print(resp.url)
            if resp.status_code == requests.codes.ok:
                self.statusBar().showMessage('Finished '+str(i) +' / 7')
                time.sleep(0.5)
        except requests.exceptions.ConnectionError:
            self.statusBar().showMessage('Connection Error')
            break

But the print(resp.url) always ends after ...dyn=VARIABLE1.

Answer 1

Your params aren't fit for a GET request as-is because they contain a nested item (dyn).

What you should do in that particular case is encode this nested item separately in the format your server accepts. Which would give something like:

def send(self):
    for i in range(1, 8):
        try:
            self.statusBar().showMessage('Connection...')

            params = {
                'organisation': 'Organisation',
                'branch': '1',
                'itemnumber': str(i),
                'operation': 'U',
                'dyn': {'VARIABLE1': 'blabla', 'VARIABLE2': 'blabla'}
            }
            # Replace the 'dyn' param with a "key1=value1;key2=value2" representation
            params['dyn'] = ";".join("=".join(j) for j in params['dyn'].items())

            # EDIT: Got to encode the parameters ourselves or requests will urlencode them
            params = "&".join("=".join(k) for k in params.items())

            resp = requests.get(url, params)
            print(resp.url)
            if resp.status_code == requests.codes.ok:
                self.statusBar().showMessage('Finished %d / 7' % i)
                time.sleep(0.5)
        except requests.exceptions.ConnectionError:
            self.statusBar().showMessage('Connection Error')
            break

Obviously I can't test it but that should be about it. Tell me if you have issues.

However I want to stress that this isn't really good design on the server side; POST would be more appropriate for arbitrary nested data.