async is requesting stuff too fast

This commit is contained in:
Deeman
2025-07-13 18:08:25 +02:00
parent 8143c6ed8e
commit 70bd8a52db
4 changed files with 103 additions and 0 deletions

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import niquests
import io
import zipfile
import pathlib
import logging
import sys
from datetime import datetime
import asyncio
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S',
handlers=[
logging.StreamHandler(sys.stdout)
]
)
output_dir = pathlib.Path(__file__).parent / "data"
output_dir.mkdir(parents=True, exist_ok=True)
logging.info(f"Output dir: {output_dir}")
PSD_HISTORICAL_URL = "https://apps.fas.usda.gov/psdonline/downloads/archives/{year}/{month}/psd_alldata_csv.zip"
PSD_LATEST_URL = "https://apps.fas.usda.gov/psdonline/downloads/psd_alldata_csv.zip"
FIRST_YEAR = 2006
FIRST_MONTH = 8
async def extract_psd_file(url:str, http_session: niquests.AsyncSession):
logging.info(f"Start downloading {url} ...")
latest_data = await http_session.get(url)
logging.info("Download done.")
if latest_data.status_code != 200:
logging.info(f"Status code not ok, STATUS={latest_data.status_code}")
return
latest_buf=io.BytesIO()
latest_buf.write(latest_data.content)
latest_buf.seek(0)
logging.info("Extracting Zipfile ...")
zipfile.ZipFile(latest_buf).extract('psd_alldata.csv', output_dir)
logging.info("Extracting Zipfile done.")
async def extract_historical_psd_dataset():
today = datetime.now()
years = list(range(FIRST_YEAR, today.year))
months = list(range(1,13))
historical_data_extraction_urls = [PSD_HISTORICAL_URL.format(year=year, month=month) for year in years for month in months]
logging.info(f"Downloading {len(historical_data_extraction_urls)} urls")
async with niquests.AsyncSession() as session:
async with asyncio.TaskGroup() as tg:
for url in historical_data_extraction_urls:
tg.create_task(extract_psd_file(url, session))
if __name__ == "__main__":
asyncio.run(extract_historical_psd_dataset())

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MODEL (
name sqlmesh_example.full_model,
kind FULL,
cron '@daily',
grain item_id,
audits (assert_positive_order_ids),
);
SELECT
item_id,
COUNT(DISTINCT id) AS num_orders,
FROM
sqlmesh_example.incremental_model
GROUP BY item_id

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MODEL (
name sqlmesh_example.incremental_model,
kind INCREMENTAL_BY_TIME_RANGE (
time_column event_date
),
start '2020-01-01',
cron '@daily',
grain (id, event_date)
);
SELECT
id,
item_id,
event_date,
FROM
sqlmesh_example.seed_model
WHERE
event_date BETWEEN @start_date AND @end_date

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MODEL (
name sqlmesh_example.seed_model,
kind SEED (
path '../seeds/seed_data.csv'
),
columns (
id INTEGER,
item_id INTEGER,
event_date DATE
),
grain (id, event_date)
);