CSP-P015: Pandas read_csv Without chunksize¶

Category: Performance

Severity: LOW

Description¶

Reading large CSVs without chunksize can exhaust memory. Use chunksize, nrows, or iterator.

Vulnerable Code Example¶

df = pandas.read_csv("big.csv")

Safer Code Example¶

for chunk in pandas.read_csv("big.csv", chunksize=10000):
    handle(chunk)

How to Suppress a Finding¶

# ignore
# or
# noqa: CSP-P015