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fix: handle duplicated channels in tdms #164

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fix: handle duplicated channels in tdms #164

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df21b02
fix: handle duplicated channels in tdms
blumini Dec 9, 2024
0958e57
fix: formatting fixes
blumini Dec 10, 2024
241e47a
fix: corrected typo in suffixes
blumini Dec 11, 2024
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7 changes: 5 additions & 2 deletions nominal/_tdms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,10 @@

def tdms_with_time_column_to_pandas(path: Path, timestamp_column: str) -> pd.DataFrame:
group_dfs: list[pd.DataFrame] = []
channels_to_export: dict[str, pd.Series[Any]] = {}

with TdmsFile.open(path) as tdms_file:
for group, time_channel in _get_groups_with_time_channel(tdms_file.groups(), timestamp_column):
channels_to_export: dict[str, pd.Series[Any]] = {}
for channel in _get_export_channels(group.channels(), time_channel, timestamp_column):
channel_name = _create_channel_name(group, channel)
channels_to_export[channel_name] = pd.Series(data=channel.read_data(), index=time_channel.read_data())
Expand All @@ -27,7 +27,10 @@ def tdms_with_time_column_to_pandas(path: Path, timestamp_column: str) -> pd.Dat

# format for nominal upload
df = functools.reduce(
lambda left, right: pd.merge(left, right, left_index=True, right_index=True, how="outer"), group_dfs
lambda left, right: pd.merge(
left, right, left_index=True, right_index=True, how="outer", suffixes=["_repeated_1", "_repeated_2"]
),
group_dfs,
)
df.index = df.index.set_names(timestamp_column, level=None)
df = df.reset_index()
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