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add mutate_other arg

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Jan Petykiewicz 2023-07-17 21:29:05 -07:00 committed by jan
parent e6ff6daa32
commit d4bb466ad9
1 changed files with 12 additions and 1 deletions
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13
masque/library.py
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@ -567,6 +567,7 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
self,
other: Mapping[str, 'Pattern'],
rename_theirs: Callable[['ILibraryView', str], str] = _rename_patterns,
mutate_other: bool = False,
) -> dict[str, str]:
"""
Add items from another library into this one.
@ -575,6 +576,7 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
to pick a new name for the newly-added pattern. If the new name still conflicts with a name
in `self` a `LibraryError` is raised. All references to the original name (within `other)`
are updated to the new name.
If `mutate_other=False` (default), all changes are made to a deepcopy of `other`.
By default, `rename_theirs` makes no changes to the name (causing a `LibraryError`) unless the
name starts with an underscore. Underscored names are truncated to before their first '$'
@ -587,6 +589,9 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
`other`.
Default is effectively
`self.get_name(name.split('$')[0]) if name.startswith('_') else name`
mutate_other: If `True`, modify the original library and its contained patterns
(e.g. when renaming patterns and updating refs). Otherwise, operate on a deepcopy
(default).
Returns:
A mapping of `{old_name: new_name}` for all `old_name`s in `other`. Unchanged
@ -603,7 +608,13 @@ class ILibrary(ILibraryView, MutableMapping[str, 'Pattern'], metaclass=ABCMeta):
self._merge(key, other, key)
return {}
temp = Library(copy.deepcopy(dict(other))) # TODO maybe add a `mutate` arg? Might want to keep the same patterns
if mutate_other:
if isinstance(Library, other):
temp = other
else:
temp = Library(dict(other))
else:
temp = Library(copy.deepcopy(dict(other)))
rename_map = {}
for old_name in temp:
if old_name in self: