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⚡️ Speed up function is_data_empty by 14% #582

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⚡️ Speed up function is_data_empty by 14% #582

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7 changes: 5 additions & 2 deletions marimo/_plugins/core/media.py
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Original file line number Diff line number Diff line change
Expand Up @@ -143,10 +143,13 @@ def io_to_data_url(
def is_data_empty(data: Union[str, bytes, io.BytesIO, Any]) -> bool:
"""Check if a data object is empty."""
if isinstance(data, str):
return data == ""
return not data

if isinstance(data, bytes):
return data == b""
return not data

if type(data) is io.BytesIO:
return data.getbuffer().nbytes == 0

if hasattr(data, "getbuffer"):
return cast(io.BytesIO, data).getbuffer().nbytes == 0
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