csv-diff
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Support for empty CSV files
Thanks for this lib!
I've noticed that the compare
method doesn't work if one of the csv files is empty.
Steps to reproduce
a.csv
id,foo,bar
b.csv
id,foo,bar
1,hey,ho
2,lets,go
from csv_diff import compare
from csv_diff import load_csv
diff: dict = compare(
load_csv(open("a.csv"), key="id"),
load_csv(open("b.csv"), key="id"),
)
for added_row in added:
print(added_row)
Expected result
{"id": 1, "foo": "hey", "bar": "ho"}
{"id": 2, "foo": "lets", "bar": "go"}
Actual result
Traceback (most recent call last):
File "REDACTED.py", line 165, in <module>
diff: dict = compare(
File "REDACTED/python3.9/site-packages/
csv_diff/__init__.py", line 58, in compare
previous_columns = set(next(iter(previous.values())).keys())
StopIteration
I'm using Python 3.9.2.
File "REDACTED/python3.9/site-packages/ csv_diff/__init__.py", line 58, in compare
previous_columns = set(next(iter(previous.values())).keys()) if previous else set() current_columns = set(next(iter(current.values())).keys()) if current else set()