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POC of PDEP-9 (I/O plugins) #53005

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POC of PDEP-9 (I/O plugins) #53005

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c0d0115
POC of PDEP-9 (I/O plugins)
datapythonista Apr 29, 2023
91da43a
Implementing the POC with a pyarrow fallback as the connector protocol
datapythonista May 22, 2023
67a69a9
Black+isort
datapythonista May 22, 2023
2439ed9
Adding docstring and black
datapythonista May 22, 2023
2b0e13f
Minor fixes to __init__.py
datapythonista May 22, 2023
000ea21
raising if to_ method exists
datapythonista May 22, 2023
59b0c3a
Use the dataframe interchange protocol instead
datapythonista May 27, 2023
b511fe4
Merge remote-tracking branch 'upstream/main' into pdep9_impl
datapythonista May 28, 2023
51f7588
Warning on conflict
datapythonista May 28, 2023
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raising if to_ method exists
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@datapythonista
datapythonista committed May 22, 2023
commit 000ea21adfba4f5c7a91260a1c16bb1f8da9b048
8 changes: 7 additions & 1 deletion pandas/io/_plugin_loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ def load_io_plugins():
raise RuntimeError(
"More than one installed library provides the "
"`read_{format_name}` reader. Please uninstall one of "
"the I/O plugins to be able to load the pandas I/O plugins."
"the I/O plugins providing connectors for this format."
)
setattr(
pd,
Expand All @@ -136,6 +136,12 @@ def load_io_plugins():
)

if hasattr(io_plugin, f"{exchange_format}_writer"):
if hasattr(pd.DataFrame, f"to_{format_name}"):
raise RuntimeError(
"More than one installed library provides the "
"`to_{format_name}` reader. Please uninstall one of "
"the I/O plugins providing connectors for this format."
)
setattr(
pd.DataFrame,
f"to_{format_name}",
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