comparison xenaGetDataset.py @ 52:bb840cc2603d

better error handling

51:47926759295a

#!/usr/bin/env python

import argparse
import re
import urllib2


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("dataHub", type=str)
    parser.add_argument("datasetId", type=str)
    parser.add_argument("datafile", type=str)
    args = parser.parse_args()

    datasetUrlHost = re.sub("/proj/", "/download/", args.dataHub)
    datasetIdTokens = re.split("/", args.datasetId)
    datasetUrl = datasetUrlHost + "/" + "/".join(datasetIdTokens[1:])

    data = open(args.datafile, "w")

    try:
        dd = urllib2.urlopen(datasetUrl)
        data.write(dd.read())
        dd.close()
        data.close()
    except:
        data.wriet("You entered dataset id: %s\n" % (args.datasetId))
        data.write("Dataset does not exist. check typo.")
        data.close()
        sys.exit(1)

if __name__ == "__main__":
    main()

52:bb840cc2603d

#!/usr/bin/env python

import argparse
import re
import urllib2
import sys

def main():
    try:
        parser = argparse.ArgumentParser()
        parser.add_argument("dataHub", type=str)
        parser.add_argument("datasetId", type=str)
        parser.add_argument("datafile", type=str)
        parser.add_argument("GALAXY_URL", type=str)
        args = parser.parse_args()
    except:
        print "too few input parameters"
        sys.exit(2)

    data = open(args.datafile, "w")
    datasetUrlHost = re.sub("/proj/", "/download/", args.dataHub)
    datasetIdTokens = re.split("/", args.datasetId)
    datasetUrl = datasetUrlHost + "/" + "/".join(datasetIdTokens[1:])


    try:
        dd = urllib2.urlopen(datasetUrl)
        data.write(dd.read())
        dd.close()
        data.close()
    except:
        data.write("There is an error\n\n")
        data.write("You entered dataset id: %s\n" % (args.datasetId))
        data.write("Possible causes for error:\n")
        data.write("1. Dataset does not exist. check type.\n")
        data.close()
        sys.exit(1)

if __name__ == "__main__":
    main()