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Set openalex to retrieve 50 DOIs per batch #75

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Jul 5, 2024
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Set openalex to retrieve 50 DOIs per batch #75

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6 changes: 4 additions & 2 deletions rialto_airflow/harvest/openalex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,11 +78,13 @@ def publications_csv(dois: list, csv_file: str) -> None:
writer.writerow(pub)


def publications_from_dois(dois: list, batch_size=75):
def publications_from_dois(dois: list):
"""
Look up works by DOI in batches that fit within OpenAlex request size limits
"""
for doi_batch in batched(dois, batch_size):
for doi_batch in batched(dois, 50):
# Setting batch size to 50 to avoid 400 errors from OpenAlex API when GET query string is greater than 4096 characters
# Based on experimentation, 75 is too high. 50 is the default per_page size, so we could consider removing pagination in the future.
# TODO: do we need this to stay within 100,000 requests / day API quota?
time.sleep(1)

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