slovo='http://domain.com/?param=param';
rex = re.compile(r'(slovo=(\')?)(.*?)(\')')
url = [d[2] for d in rex.findall(g.response.body)]
print url
['http://domain.com/?param=param']
http://domain.com/?param=param¶m1=param1
Пробовал:
url = str(url)
param1 = str(param1)
url = urllib.basejoin(url, param1)
http://domain.com/?param1=param1
['http://domain.com/?param=param']¶m1=param1