logger = logging.getLogger("BitBake.Data")
__setvar_keyword__ = ["_append", "_prepend", "_remove"]
-__setvar_regexp__ = re.compile('(?P<base>.*?)(?P<keyword>_append|_prepend|_remove)(_(?P<add>[^A-Z]*))?$')
+__setvar_regexp__ = re.compile(r'(?P<base>.*?)(?P<keyword>_append|_prepend|_remove)(_(?P<add>[^A-Z]*))?$')
__expand_var_regexp__ = re.compile(r"\${[^{}@\n\t :]+}")
__expand_python_regexp__ = re.compile(r"\${@.+?}")
-__whitespace_split__ = re.compile('(\s)')
+__whitespace_split__ = re.compile(r'(\s)')
def infer_caller_details(loginfo, parent = False, varval = True):
"""Save the caller the trouble of specifying everything."""