Python/libs/ConfigMix: configmix/config.py comparison

Implement Configuration.copy_new_config_without()

author	Franz Glasner <fzglas.hg@dom66.de>
date	Thu, 07 Dec 2023 08:43:04 +0100
parents	cabd1046d95f
children

comparison

equal deleted inserted replaced

-:72d317c255d4
+:3eb2c451026b
 return self.jailed(rootpath=rootpath, root=root).iter_jailed()
 def extract_new_config(self, *path, **kwds):
 """Get the value at `path` and make a new :class:`~.Configuration` from it.
-The new config is a deepcopy and completely independent of the source
+The new configuration is a deepcopy and completely independent
-configuration.
+of the source configuration.
 """
 return self.__class__(copy.deepcopy(self.getvarl(*path, **kwds)))
+def copy_new_config_without(self, *path):
+"""Copy the current configuration but leave out the value at key
+`path`.
+The new configuration is a deepcopy and completely independent
+of the source configuration.
+.. note:: Currently only a "simple" `path` with length 1 is
+supported. References are not supported.
+"""
+#
+# Manual copy: avoid direct and indirect calls to self.__getitem__
+# because it interpolates.
+#
+if path:
+if len(path) != 1:
+raise ValueError("Only a `path' with length 1 is supported")
+nc = {}
+for i in self:
+if (not path) or (i != path[0]):
+nc[i] = copy.deepcopy(self.getvarl(i))
+return self.__class__(nc)
 class _JailedConfiguration(CoercingMethodsMixin):
 """A jailed and restricted variant of :class:`Configuration`.

Mercurial > hgrepos > Python > libs > ConfigMix