stable.py

   1 from xml.dom import minidom
   2 from zeroinstall.injector import namespaces, model
   3 from logging import warn
   4
   5 def mark_stable(data):
   6         """Find the single release marked as 'testing' and make it 'stable'."""
   7         doc = minidom.parseString(data)
   8         testing = []
   9         all_impls = doc.documentElement.getElementsByTagNameNS(namespaces.XMLNS_IFACE, 'implementation')
  10         for x in all_impls:
  11                 if get_stability(x) == 'testing':
  12                         testing.append(x)
  13         if len(testing) == 0:
  14                 raise Exception('No implementations are currently "testing"!')
  15         impl = testing[-1]
  16         if len(testing) > 1:
  17                 warn("Multiple 'testing' implementations - changing last one (%s)", impl.getAttribute('version'))
  18
  19         impl.setAttribute('stability', 'stable')
  20
  21         return doc.toxml()
  22
  23 def get_stability(x):
  24         root = x.ownerDocument.documentElement
  25         while x is not root:
  26                 stab = x.getAttribute('stability')
  27                 if stab: return stab
  28                 x = x.parentNode
  29         return 'testing'