from markdown import message,CRITICAL
import sys
## Import
def importETree():
"""Import the best implementation of ElementTree, return a module object."""
etree_in_c = None
try: # Is it Python 2.5+ with C implemenation of ElementTree installed?
import xml.etree.cElementTree as etree_in_c
except ImportError:
try: # Is it Python 2.5+ with Python implementation of ElementTree?
import xml.etree.ElementTree as etree
except ImportError:
try: # An earlier version of Python with cElementTree installed?
import cElementTree as etree_in_c
except ImportError:
try: # An earlier version of Python with Python ElementTree?
import elementtree.ElementTree as etree
except ImportError:
message(CRITICAL, "Failed to import ElementTree")
sys.exit(1)
if etree_in_c and etree_in_c.VERSION < "1.0":
message(CRITICAL, "For cElementTree version 1.0 or higher is required.")
sys.exit(1)
elif etree_in_c :
return etree_in_c
elif etree.VERSION < "1.1":
message(CRITICAL, "For ElementTree version 1.1 or higher is required")
sys.exit(1)
else :
return etree
|