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DOC: add type BinaryIO to path param #35505 #35568

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Sep 13, 2020
Merged

DOC: add type BinaryIO to path param #35505 #35568

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DOC: add type BinaryIO to path param #35505
alexhtn Aug 5, 2020
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DOC: add type BinaryIO to path param #35505
alexhtn Aug 24, 2020
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17 changes: 16 additions & 1 deletion pandas/io/excel/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -541,7 +541,7 @@ class ExcelWriter(metaclass=abc.ABCMeta):

Parameters
----------
path : str
path : str or BinaryIO
Path to xls or xlsx or ods file.
engine : str (optional)
Engine to use for writing. If None, defaults to
Expand Down Expand Up @@ -596,6 +596,21 @@ class ExcelWriter(metaclass=abc.ABCMeta):

>>> with ExcelWriter('path_to_file.xlsx', mode='a') as writer:
... df.to_excel(writer, sheet_name='Sheet3')

You can store Excel file in RAM:

>>> import io
>>> buffer = io.BytesIO()
>>> with pd.ExcelWriter(buffer) as writer:
... df.to_excel(writer)

You can pack Excel file into zip archive:

>>> import zipfile
>>> with zipfile.ZipFile('path_to_file.zip', 'w') as zf:
... with zf.open('filename.xlsx', 'w') as buffer:
... with pd.ExcelWriter(buffer) as writer:
... df.to_excel(writer)
"""

# Defining an ExcelWriter implementation (see abstract methods for more...)
Expand Down