def _merge_dict(self, cur, new, path):
"""Merge a dictionary with another dictionary.
Iterate over keys in new. If this is not an initialization merge and
the key begins with PARAMETER_DICT_KEY_OVERRIDE_PREFIX, override the
value of the key in cur. Otherwise deeply merge the contents of the key
in cur with the contents of the key in _merge_recurse over the item.
Args:
cur (dict): Current dictionary
new (dict): Dictionary to be merged
path (string): Merging path from recursion
initmerge (bool): True if called as part of entity init
Returns:
dict: a merged dictionary
"""
ret = cur
for (key, newvalue) in iteritems(new):
if key.startswith(self._settings.dict_key_override_prefix
) and not self._keep_overrides:
if not isinstance(newvalue, Value):
newvalue = Value(newvalue,
self._settings,
self._uri,
parse_string=self._parse_strings)
newvalue.overwrite = True
ret[key.lstrip(
self._settings.dict_key_override_prefix)] = newvalue
else:
ret[key] = self._merge_recurse(ret.get(key), newvalue,
path.new_subpath(key))
return ret
def _merge_dict(self, cur, new):
"""Merge a dictionary with another dictionary.
Iterate over keys in new. If this is not an initialization merge and
the key begins with PARAMETER_DICT_KEY_OVERRIDE_PREFIX, override the
value of the key in cur. Otherwise deeply merge the contents of the key
in cur with the contents of the key in _merge_recurse over the item.
Args:
cur (dict): Current dictionary
new (dict): Dictionary to be merged
initmerge (bool): True if called as part of entity init
Returns:
dict: a merged dictionary
"""
for (key, value) in iteritems(new):
# check key for "control" preffixes (~,=,...)
key = str(key)
if key[0] in self._settings.dict_key_prefixes:
newkey = key[1:]
if not isinstance(value, Value):
value = Value(value,
self._settings,
self._uri,
parse_string=self._parse_strings)
if key[0] == self._settings.dict_key_override_prefix:
value.overwrite = True
elif key[0] == self._settings.dict_key_constant_prefix:
value.constant = True
value = self._merge_recurse(cur.get(newkey), value)
key = newkey
else:
value = self._merge_recurse(cur.get(key), value)
cur[key] = value
cur.uri = new.uri
return cur
