mzURL.py 文件源码

def scan(self, time):
        scan_time,mz,scan_name,st,scan_mode = min(self.scans(), key=lambda si: abs(time - si[0]))

        self.crl.setopt(pycurl.HTTPGET, True)
        self.crl.setopt(pycurl.URL, str(scan_name + '.txt'))

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

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

        scan = response.getvalue().splitlines()

        # how to get charge for an mzURL scan?
        return mzScan([tuple(float(v) for v in s.split()) for s in scan],
                      scan_time, mode=scan_mode, mz=mz)