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MAINT, BUG: pandas 2.0 compatibility #912

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Mar 1, 2023
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MAINT, BUG: pandas 2.0 compatibility #912

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6 changes: 5 additions & 1 deletion darshan-util/pydarshan/darshan/experimental/plots/heatmap_handling.py
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Original file line number Diff line number Diff line change
Expand Up @@ -316,8 +316,12 @@ def get_heatmap_df(agg_df: pd.DataFrame, xbins: int, nprocs: int) -> pd.DataFram
bin_edge_data = np.linspace(0.0, max_time, xbins + 1)
# create dummy variables for start/end time data, where dataframe columns
# are the x-axis bin ranges
# pin dtype here because of pandas 2.0+ change--see:
# gh-909 and
# https://github.com/pandas-dev/pandas/pull/48022#issuecomment-1448755561
cats_start = pd.get_dummies(
pd.cut(agg_df["start_time"], bin_edge_data, precision=16)
pd.cut(agg_df["start_time"], bin_edge_data, precision=16),
dtype=np.uint8,
)
cats_end = pd.get_dummies(pd.cut(agg_df["end_time"], bin_edge_data, precision=16))
# get series for the elapsed times for each dxt segment
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