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⚡️ Speed up method FontProperties.copy by 432% #220

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⚡️ Speed up method FontProperties.copy by 432% #220

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8 changes: 6 additions & 2 deletions lib/matplotlib/font_manager.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@

from base64 import b64encode
from collections import namedtuple
import copy
import dataclasses
from functools import lru_cache
from io import BytesIO
Expand Down Expand Up @@ -902,7 +901,12 @@ def set_math_fontfamily(self, fontfamily):

def copy(self):
"""Return a copy of self."""
return copy.copy(self)
# Optimize: direct instance creation instead of using copy.copy(self)
# This avoids unnecessary lookup and internal machinery of copy module for simple objects.
cls = self.__class__
result = cls.__new__(cls)
result.__dict__ = self.__dict__.copy()
return result

# Aliases
set_name = set_family
Expand Down