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crawler_async.py
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crawler_async.py
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from src.company_item import CompanyItem
from src.scrape_ashbyhq import ScrapeAshbyhqAsync
from src.scrape_lever import ScrapeLeverAsync
from src.scrape_greenhouse import ScrapeGreenhouseAsync
import time
from caqui import synchronous
import asyncio
MAX_CONCURRENCY = 5 # number of WebDriver instances
sem = asyncio.Semaphore(MAX_CONCURRENCY)
async def __schedule_tasks(companies):
tasks = [asyncio.ensure_future(__collect_data(company)) for company in companies]
await asyncio.gather(*tasks)
async def __collect_data(company):
async with sem:
driver_url = "http://127.0.0.1:9515"
capabilities = {
"desiredCapabilities": {
"name": "webdriver",
"browserName": "firefox",
"marionette": True,
"acceptInsecureCerts": True,
# uncomment to set headless
"goog:chromeOptions": {"extensions": [], "args": ["--headless"]},
}
}
session = synchronous.get_session(driver_url, capabilities)
driver = [driver_url, session]
data = await company.scraper_type().getJobs(driver, company.jobs_url, company.company_name)
for entry in data:
print(entry)
synchronous.close_session(*driver)
async def __schedule_tasks():
companies = [
CompanyItem('evmos', 'https://boards.eu.greenhouse.io/evmos', ScrapeGreenhouseAsync, 'https://evmos.org',
'Cross-Chain Connectivity'),
CompanyItem('orderlynetwork', 'https://boards.greenhouse.io/orderlynetwork', ScrapeGreenhouseAsync,
'https://orderly.network', 'Exchange'),
CompanyItem("0x", "https://boards.greenhouse.io/0x", ScrapeGreenhouseAsync, "https://0x.org",
"Blockchain"),
CompanyItem('econetwork', 'https://boards.greenhouse.io/econetwork', ScrapeGreenhouseAsync,
'https://eco.com', 'Web3 wallet'),
CompanyItem("bitcoin", "https://www.bitcoin.com/jobs/#joblist", ScrapeGreenhouseAsync,
"https://www.bitcoin.com", 'Exchange'),
CompanyItem('rain', 'https://jobs.ashbyhq.com/rain', ScrapeAshbyhqAsync, 'https://www.raincards.xyz',
'Web3 cards'),
CompanyItem('exponential', 'https://jobs.ashbyhq.com/exponential', ScrapeAshbyhqAsync, 'https://exponential.fi',
'DeFi'),
CompanyItem('conduit', 'https://jobs.ashbyhq.com/Conduit', ScrapeAshbyhqAsync, 'https://conduit.xyz',
'Infrastructure'),
CompanyItem('kiln', 'https://jobs.ashbyhq.com/kiln.fi', ScrapeAshbyhqAsync, 'https://www.kiln.fi',
'Staking & Infra'),
CompanyItem("flashbots", "https://jobs.ashbyhq.com/flashbots.net", ScrapeAshbyhqAsync,
"https://www.flashbots.net", "ETH MEV"),
CompanyItem('paradigm.xyz', 'https://jobs.ashbyhq.com/paradigm', ScrapeAshbyhqAsync, 'https://www.paradigm.xyz',
'Web3 financing'),
CompanyItem('dune', 'https://jobs.ashbyhq.com/dune', ScrapeAshbyhqAsync, 'https://dune.com',
'Web3 data'),
CompanyItem("solanafoundation", "https://jobs.ashbyhq.com/Solana%20Foundation", ScrapeAshbyhqAsync,
"https://solana.org", "Blockchain"),
CompanyItem('syndica', 'https://jobs.ashbyhq.com/syndica', ScrapeAshbyhqAsync, 'https://syndica.io',
'Infrastructure'),
CompanyItem('ellipsislabs', 'https://jobs.ashbyhq.com/ellipsislabs', ScrapeAshbyhqAsync,
'https://ellipsislabs.xyz', 'Trading Protocol'),
CompanyItem("kraken", "https://jobs.lever.co/kraken", ScrapeLeverAsync, "https://kraken.com", "Exchange"),
CompanyItem('arbitrumfoundation', 'https://jobs.lever.co/arbitrumfoundation', ScrapeLeverAsync,
'https://arbitrum.foundation', 'Layer 2'),
CompanyItem("chainlink", "https://jobs.lever.co/chainlink", ScrapeLeverAsync, "https://chain.link",
"Blockchain"),
CompanyItem('ethglobal', 'https://jobs.lever.co/ETHGlobal', ScrapeLeverAsync, 'https://ethglobal.com',
'Community'),
CompanyItem('multiversx', 'https://jobs.lever.co/multiversx', ScrapeLeverAsync, 'https://multiversx.com',
'Blockchain'),
CompanyItem('sprucesystems', 'https://jobs.lever.co/sprucesystems', ScrapeLeverAsync, 'https://spruceid.com',
'Web3 ID'),
CompanyItem('BlockSwap', 'https://jobs.lever.co/BlockSwap', ScrapeLeverAsync, 'https://www.blockswap.network',
'Infra'),
CompanyItem('Metatheory', 'https://jobs.lever.co/Metatheory', ScrapeLeverAsync,
'https://www.duskbreakers.gg', 'Web3 game'),
CompanyItem('axiomzen', 'https://jobs.lever.co/axiomzen', ScrapeLeverAsync, 'https://www.axiomzen.com', 'Web3'),
CompanyItem('fuellabs', 'https://jobs.lever.co/fuellabs', ScrapeLeverAsync, 'https://www.fuel.network',
'Blockchain'),
CompanyItem('harmony', 'https://jobs.lever.co/harmony', ScrapeLeverAsync, 'https://www.harmony.one',
'Blockchain'),
CompanyItem('wintermute', 'https://jobs.lever.co/wintermute-trading', ScrapeLeverAsync,
'https://www.wintermute.com',
'Trading'),
CompanyItem("kaiko", "https://jobs.eu.lever.co/kaiko", ScrapeLeverAsync, "https://www.kaiko.com", "Data"),
CompanyItem('bebop', 'https://jobs.lever.co/Bebop', ScrapeLeverAsync, 'https://bebop.xyz', 'DeFi Exchange'),
CompanyItem("Coinshift", "https://jobs.lever.co/Coinshift", ScrapeLeverAsync, "https://coinshift.xyz",
"Custody software"),
CompanyItem("swissborg", "https://jobs.lever.co/swissborg", ScrapeLeverAsync, "https://swissborg.com",
"Exchange"),
CompanyItem("OpenSea", "https://jobs.lever.co/OpenSea", ScrapeLeverAsync, "https://opensea.io", "NFT"),
CompanyItem("storyprotocol", "https://jobs.lever.co/storyprotocol", ScrapeLeverAsync,
"https://www.storyprotocol.xyz", "Protocol"),
CompanyItem("ethereumfoundation", "https://jobs.lever.co/ethereumfoundation", ScrapeLeverAsync,
"https://ethereum.org", "Blockchain"),
CompanyItem("aave", "https://jobs.eu.lever.co/aave", ScrapeLeverAsync, "https://aave.com", "Protocol"),
CompanyItem("crypto", "https://jobs.lever.co/crypto", ScrapeLeverAsync, "https://crypto.com", "Exchange"),
CompanyItem("Luxor", "https://jobs.lever.co/LuxorTechnology", ScrapeLeverAsync, "https://www.luxor.tech",
"Mining"),
CompanyItem("anchorage", "https://jobs.lever.co/anchorage", ScrapeLeverAsync, "https://www.anchorage.com",
"Trading"),
CompanyItem("biconomy", "https://jobs.lever.co/biconomy", ScrapeLeverAsync, "https://www.biconomy.io",
"Infra"),
CompanyItem('enso', 'https://jobs.lever.co/Enso', ScrapeLeverAsync, 'https://www.enso.finance', 'DeFi'),
CompanyItem("Polygon", "https://jobs.lever.co/Polygon", ScrapeLeverAsync, "https://polygon.technology",
"Blockchain"),
CompanyItem("tokenmetrics", "https://jobs.lever.co/tokenmetrics", ScrapeLeverAsync,
"https://www.tokenmetrics.com", "Information"),
CompanyItem("offchainlabs", "https://jobs.lever.co/offchainlabs", ScrapeLeverAsync,
"https://offchainlabs.com", "Protocol"),
CompanyItem("subspacelabs", "https://jobs.lever.co/subspacelabs", ScrapeLeverAsync,
"https://subspace.network", "Blockchain Infra"),
CompanyItem('3boxlabs', 'https://jobs.lever.co/3box', ScrapeLeverAsync, 'https://3boxlabs.com',
'Infra'),
CompanyItem("ramp.network", "https://jobs.lever.co/careers.ramp.network", ScrapeLeverAsync,
"https://ramp.network", "Payments"),
CompanyItem('risklabs', 'https://jobs.lever.co/risklabs', ScrapeLeverAsync, 'https://risklabs.foundation',
'Protocol'),
CompanyItem('celestia', 'https://jobs.lever.co/celestia', ScrapeLeverAsync, 'https://celestia.org',
'Modular Blockchain'),
CompanyItem('polymerlabs', 'https://jobs.lever.co/polymerlabs', ScrapeLeverAsync, 'https://www.polymerlabs.org',
'Modular Blockchain'),
CompanyItem('royal', 'https://jobs.lever.co/Royal', ScrapeLeverAsync, 'https://royal.io', 'Web3 + Music'),
CompanyItem('gauntlet', 'https://jobs.lever.co/gauntlet', ScrapeLeverAsync, 'https://gauntlet.network',
'Web3 + Financial Modelling'),
CompanyItem("ledger", "https://jobs.lever.co/ledger", ScrapeLeverAsync, "https://www.ledger.com", "Wallet"),
CompanyItem("request", "https://jobs.lever.co/request", ScrapeLeverAsync, "https://request.network",
"Payments"),
CompanyItem("immutable", "https://jobs.lever.co/immutable", ScrapeLeverAsync, "https://www.immutable.com",
"NFT"),
CompanyItem("web3auth", "https://jobs.lever.co/TorusLabs", ScrapeLeverAsync, "https://web3auth.io", "Auth"),
CompanyItem("cere-network", "https://jobs.lever.co/cere-network", ScrapeLeverAsync, "https://cere.network",
"Infra"),
CompanyItem('matterlabs', 'https://jobs.eu.lever.co/matterlabs', ScrapeLeverAsync, 'https://matter-labs.io',
'Protocol'),
CompanyItem("hiro", "https://jobs.lever.co/hiro", ScrapeLeverAsync, "https://www.hiro.so", "Infra"),
CompanyItem('AQX', 'https://jobs.lever.co/presto', ScrapeLeverAsync, 'https://aqx.com', 'Exchange and Web3'),
CompanyItem('ultra', 'https://jobs.lever.co/ultra', ScrapeLeverAsync,
'https://ultra.io', 'Web3 Gaming'),
CompanyItem('bitwise', 'https://jobs.lever.co/bitwiseinvestments', ScrapeLeverAsync,
'https://bitwiseinvestments.com', 'Asset Management'),
]
tasks = [asyncio.ensure_future(__collect_data(company)) for company in companies]
await asyncio.gather(*tasks)
if __name__ == "__main__":
start = time.time()
loop = asyncio.get_event_loop()
try:
loop.run_until_complete(__schedule_tasks())
finally:
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
end = time.time()
print(f"Time: {end - start:.2f} sec")
# 66.46 sec for 56 company names