Simple class for downloading artifacts from a private Nexus repository (usually a company makes its own private repository, in this case it is called aaa)

gistfile1.txt

#!/usr/bin/python

import urllib2, sys



class NexusDownloader:
  '''Simple class for downloading artifacts from a private Nexus repository.'''

  nexus = 'http://nexus.aaa.com/nexus/service/local/artifact/maven/redirect?'
  username = 'ci-deployment'
  password = ''

  @staticmethod
  def download( group_id, artifact_id, version, repo, packaging, classifier ):
    '''This methods downloads the artifact with the given IDs from the aaa Nexus repository.'''

    url = '%sg=%s&a=%s&v=%s&r=%s&p=%s&c=%s' % ( NexusDownloader.nexus, group_id, artifact_id, version, repo, packaging, classifier )

    if classifier is not None and len( classifier ) >= 1:
      filename = '%s-%s-%s.%s' % ( artifact_id, version, classifier, packaging )
    else:
      filename = '%s-%s.%s' % ( artifact_id, version, packaging )

    password_mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
    password_mgr.add_password( None, 'http://nexus.aaa.com', NexusDownloader.username, NexusDownloader.password )
    data = urllib2.build_opener( urllib2.HTTPBasicAuthHandler( password_mgr ) ).open( url ).read()

    file = open( filename, 'wb' )
    file.write( data )
    file.close()



if __name__ == '__main__':
  NexusDownloader.download( group_id = 'com.aaa.xxx', artifact_id = 'xxx-aaa-ear', version = '1.2.3.4', repo = 'public-releases', packaging = 'ear', classifier = '' )