wehub-resource-sync
122 lines
2.6 KiB
Python
122 lines
2.6 KiB
Python
# flake8: noqa
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# fmt: off
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import ray
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import sys
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from typing import List
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from ray._common.test_utils import wait_for_condition
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# Overwrite print statement to make doc code testable
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@ray.remote
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class PrintStorage:
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def __init__(self):
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self.print_storage: List[str] = []
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def add(self, s: str):
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self.print_storage.append(s)
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def clear(self):
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self.print_storage.clear()
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def get(self) -> List[str]:
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return self.print_storage
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print_storage_handle = PrintStorage.remote()
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def print(string: str):
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ray.get(print_storage_handle.add.remote(string))
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sys.stdout.write(f"{string}\n")
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# __start_basic_disconnect__
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import asyncio
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from ray import serve
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@serve.deployment
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async def startled():
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try:
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print("Replica received request!")
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await asyncio.sleep(10000)
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except asyncio.CancelledError:
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# Add custom behavior that should run
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# upon cancellation here.
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print("Request got cancelled!")
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# __end_basic_disconnect__
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serve.run(startled.bind())
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import requests
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from requests.exceptions import Timeout
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# Intentionally time out request to test cancellation behavior
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try:
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requests.get("http://localhost:8000", timeout=0.5)
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except Timeout:
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pass
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wait_for_condition(
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lambda: {"Replica received request!", "Request got cancelled!"}
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== set(ray.get(print_storage_handle.get.remote())),
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timeout=5,
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)
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sys.stdout.write(f"{ray.get(print_storage_handle.get.remote())}\n")
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ray.get(print_storage_handle.clear.remote())
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# __start_shielded_disconnect__
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import asyncio
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from ray import serve
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@serve.deployment
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class SnoringSleeper:
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async def snore(self):
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await asyncio.sleep(1)
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print("ZZZ")
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async def __call__(self):
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try:
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print("SnoringSleeper received request!")
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# Prevent the snore() method from being cancelled
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await asyncio.shield(self.snore())
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except asyncio.CancelledError:
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print("SnoringSleeper's request was cancelled!")
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app = SnoringSleeper.bind()
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# __end_shielded_disconnect__
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serve.run(app)
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import requests
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from requests.exceptions import Timeout
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# Intentionally time out request to test cancellation behavior
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try:
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requests.get("http://localhost:8000", timeout=0.5)
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except Timeout:
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pass
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wait_for_condition(
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lambda: {
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"SnoringSleeper received request!",
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"SnoringSleeper's request was cancelled!",
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"ZZZ",
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}
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== set(ray.get(print_storage_handle.get.remote())),
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timeout=5,
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)
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sys.stdout.write(f"{ray.get(print_storage_handle.get.remote())}\n")
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ray.get(print_storage_handle.clear.remote())
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