def insertGlyph(
self,
glyph: Glyph,
name: str | None = None,
overwrite: bool = True,
copy: bool = True,
) -> None:
"""Inserts Glyph object into this layer.
Args:
glyph: The Glyph object.
name: The name of the glyph.
overwrite: If True, overwrites (read: deletes) glyph with the same name if
it exists. If False, raises KeyError.
copy: If True, copies the Glyph object before insertion. If False, inserts
as is.
"""
if copy:
glyph = glyph.copy()
if name is not None:
glyph._name = name
if glyph.name is None:
raise ValueError(f"{glyph!r} has no name; can't add it to Layer")
if not overwrite and glyph.name in self._glyphs:
raise KeyError(f"glyph named '{glyph.name}' already exists")
self._glyphs[glyph.name] = glyph
def __setitem__(self, name: str, glyph: Glyph) -> None:
if not isinstance(glyph, Glyph):
raise TypeError(f"Expected Glyph, found {type(glyph).__name__}")
glyph._name = name
self._glyphs[name] = glyph