pip3 install rtry
from rtry import timeout, CancelledError
try:
with timeout(3.0):
resp = requests.get("https://httpbin.org/status/200")
except CancelledError:
raise
else:
print(resp)
from rtry import timeout, CancelledError
resp = None
with timeout(3.0, exception=None):
resp = requests.get("https://httpbin.org/status/200")
import asyncio
import aiohttp
from rtry import timeout, CancelledError
async def main():
try:
async with aiohttp.ClientSession() as session, timeout(3.0):
async with session.get("https://httpbin.org/status/200") as resp:
return resp
except CancelledError:
raise
else:
print(resp)
asyncio.run(main())
from rtry import timeout, CancelledError
@timeout(3.0)
def fn():
resp = requests.get("https://httpbin.org/status/200")
return resp
try:
resp = fn()
except CancelledError:
raise
else:
print(resp)
import asyncio
import aiohttp
from rtry import timeout, CancelledError
@timeout(3.0)
async def fn():
async with aiohttp.ClientSession() as session:
async with session.get("https://httpbin.org/status/200") as resp:
return resp
async def main():
try:
resp = await fn()
except CancelledError:
raise
else:
print(resp)
asyncio.run(main())
from rtry import retry, CancelledError
@retry(until=lambda r: r.status_code != 200, timeout=3.0)
def fn():
resp = requests.get("https://httpbin.org/status/200")
return resp
try:
resp = fn()
except CancelledError:
raise
else:
print(resp)
@retry(attempts=2)
def fn():
resp = requests.get("https://httpbin.org/status/500")
print(resp)
assert resp.status_code == 200
return resp
resp = fn()
# <Response [500]>
# <Response [500]>
# Traceback:
# AssertionError
@retry(until=lambda r: r.status_code != 200, attempts=2)
def fn():
resp = requests.get("https://httpbin.org/status/500")
print(resp)
return resp
resp = fn()
# <Response [500]>
# <Response [500]>
@retry(until=lambda r: r.status_code != 200, attempts=2, logger=print)
def fn():
resp = requests.get("https://httpbin.org/status/500")
return resp
resp = fn()
# 1 <Response [500]> <function fn at 0x103dcd268>
# 2 <Response [500]> <function fn at 0x103dcd268>
def logger(attempt, result_or_exception, decorated):
logging.info("Attempt: %d, Result: %s", attempt, result_or_exception)
@retry(until=lambda r: r.status_code != 200, attempts=2, logger=logger)
def fn():
resp = requests.get("https://httpbin.org/status/500")
return resp
resp = fn()
# INFO:root:Attempt: 1, Result: <Response [500]>
# INFO:root:Attempt: 2, Result: <Response [500]>
@retry(until=lambda r: r.status_code != 200, attempts=2, delay=0.1)
def fn():
resp = requests.get("https://httpbin.org/status/500")
return resp
started_at = time.monotonic()
resp = fn()
ended_at = time.monotonic()
print('Elapsed {:.2f}'.format(ended_at - started_at))
# Elapsed 2.11
from math import exp
@retry(until=lambda r: r.status_code != 200, attempts=2, delay=exp)
def fn():
resp = requests.get("https://httpbin.org/status/500")
return resp
started_at = time.monotonic()
resp = fn()
ended_at = time.monotonic()
print('Elapsed {:.2f}'.format(ended_at - started_at))
# Elapsed 11.79
@retry(attempts=2, swallow=None, logger=print)
def fn():
resp = requests.get("http://127.0.0.1/status/500")
return resp
try:
resp = fn()
except Exception as e:
print(e)
# HTTPConnectionPool(host='127.0.0.1', port=80): Max retries exceeded with url: /status/500
from requests.exceptions import ConnectionError
@retry(attempts=2, swallow=ConnectionError, logger=print)
def fn():
resp = requests.get("http://127.0.0.1/status/500")
return resp
try:
resp = fn()
except Exception as e:
print(e)
# 1 HTTPConnectionPool(host='127.0.0.1', port=80): Max retries exceeded with url: /status/500
# 2 HTTPConnectionPool(host='127.0.0.1', port=80): Max retries exceeded with url: /status/500
# HTTPConnectionPool(host='127.0.0.1', port=80): Max retries exceeded with url: /status/500
import asyncio
import aiohttp
from rtry import retry
@retry(attempts=2)
async def fn():
async with aiohttp.ClientSession() as session:
async with session.get("https://httpbin.org/status/500") as resp:
print(resp)
assert resp.status == 200
return resp
async def main():
resp = await fn()
# <ClientResponse(https://httpbin.org/status/500) [500 INTERNAL SERVER ERROR]>
# <ClientResponse(https://httpbin.org/status/500) [500 INTERNAL SERVER ERROR]>
# Traceback
# AssertionError
asyncio.run(main())