Getdata.py 文件源码

def get_p1p2data(self):
        import urllib, os
        if self.file_exist():
            print "No need to download P1P2 DCB data..."
            return
        print "Start to download P1P2 DCB data..."
        weblink = "ftp://ftp.unibe.ch/aiub/CODE/{0}/".format(self.year)
        if not os.path.isfile(self.sourcefn):
            try:
                download = urllib.URLopener()
                download.retrieve(weblink+self.sourcefn, self.sourcefn)
            except IOError:
                weblink = "ftp://ftp.unibe.ch/aiub/CODE/{0}/".format(self.year_bom)
                download = urllib.URLopener()
                download.retrieve(weblink+self.sourcefn_bom, self.sourcefn)


        os.system("gzip -fd {0}".format(self.sourcefn))