"""
Interface to the streams.xml style files. This class inherits from GenericXML.py
stream files predate cime and so do not conform to entry id format
"""
from CIME.XML.standard_module_setup import *
from CIME.XML.generic_xml import GenericXML
from CIME.XML.files import Files
from CIME.utils import expect
logger = logging.getLogger(__name__)
[docs]class Stream(GenericXML):
def __init__(self, infile=None, files=None):
"""
initialize an object
"""
if files is None:
files = Files()
schema = None
GenericXML.__init__(self, infile, schema=schema)
[docs] def get_value(self, item, attribute=None, resolved=True, subgroup=None):
"""
Get Value of fields in a stream.xml file
"""
expect(subgroup is None, "This class does not support subgroups")
value = None
node = None
names = item.split('/')
node = None
for name in names:
node = self.scan_child(name, root=node)
if node is not None:
value = self.text(node).strip()
if value is None:
# if all else fails
#pylint: disable=assignment-from-none
value = GenericXML.get_value(self, item, attribute, resolved, subgroup)
if resolved:
if value is not None:
value = self.get_resolved_value(value)
elif item in os.environ:
value = os.environ[item]
return value