mzURL.py 文件源码

def xic(self, start_time, stop_time, start_mz, stop_mz, filter=None):
        xic_url = str(self.data_file + ('/ric/%s-%s/%s-%s.txt' % (start_time, stop_time,
                                                                  start_mz, stop_mz)))

        self.crl.setopt(pycurl.HTTPGET, True)
        self.crl.setopt(pycurl.URL, xic_url)

        response = cStringIO.StringIO()
        self.crl.setopt(pycurl.WRITEFUNCTION, response.write)

        for i in range(5):
            #print 'xic %d' % i
            self.crl.perform()
            if response.getvalue():
                break

        scan = response.getvalue().splitlines()

        return [tuple(float(v) for v in s.split()) for s in scan]