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Implement Rate Limiting and User-Agent Rotation #13

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Implement Rate Limiting and User-Agent Rotation #13

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10 changes: 9 additions & 1 deletion main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,13 +42,19 @@
PAGE_LOAD_TIMEOUT = 15 # Max wait for page elements (seconds)
SCROLL_PAUSE = 1.5 # Pause between scrolls (seconds)
MAX_SCROLL_STALLS = 15 # Stop scrolling after N stalls with no new links
RATE_LIMIT_DELAY = 60 # Delay between requests to avoid IP blocking (seconds)

logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [%(levelname)s] %(message)s",
datefmt="%H:%M:%S",
)
log = logging.getLogger("soclose-gmaps")
USER_AGENTS = [
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36",
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Safari/605.1.15",
"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36"
]


# ---------------------------------------------------------------------------
Expand Down Expand Up @@ -84,6 +90,7 @@ def create_driver(headless=False):

service = Service(ChromeDriverManager().install())
driver = webdriver.Chrome(service=service, options=opts)
driver.execute_cdp_cmd("Network.setUserAgentOverride", {"userAgent": random.choice(USER_AGENTS)})

if not headless:
driver.maximize_window()
Expand Down Expand Up @@ -148,7 +155,7 @@ def collect_links(driver, url):
driver.execute_script(
"arguments[0].scrollTop = arguments[0].scrollHeight", feed
)
time.sleep(SCROLL_PAUSE)
time.sleep(SCROLL_PAUSE + random.uniform(0, 2))

log.info(f"Phase 1 complete — {len(links)} links collected.")
return sorted(links)
Expand All @@ -165,6 +172,7 @@ def extract_details(driver, link):
Returns an empty dict on failure.
"""
driver.get(link + "&hl=en")
time.sleep(RATE_LIMIT_DELAY)

try:
WebDriverWait(driver, PAGE_LOAD_TIMEOUT).until(
Expand Down