linkedin fix delays (#79)

src/jobspy/scrapers/linkedin/__init__.py

@@ -4,6 +4,7 @@ jobspy.scrapers.linkedin
 
 This module contains routines to scrape LinkedIn.
 """
+import random
 from typing import Optional
 from datetime import datetime
 
@@ -16,14 +17,14 @@ from threading import Lock
 from urllib.parse import urlparse, urlunparse
 
 from .. import Scraper, ScraperInput, Site
-from ..utils import count_urgent_words, extract_emails_from_text, get_enum_from_job_type, currency_parser
 from ..exceptions import LinkedInException
+from ..utils import create_session
 from ...jobs import JobPost, Location, JobResponse, JobType, Country, Compensation
+from ..utils import count_urgent_words, extract_emails_from_text, get_enum_from_job_type, currency_parser
 
 
 class LinkedInScraper(Scraper):
-    MAX_RETRIES = 3
-    DELAY = 10
+    DELAY = 3
 
     def __init__(self, proxy: Optional[str] = None):
         """
@@ -57,6 +58,7 @@ class LinkedInScraper(Scraper):
             return mapping.get(job_type_enum, "")
 
         while len(job_list) < scraper_input.results_wanted and page < 1000:
+            session = create_session(is_tls=False, has_retry=True, delay=5)
             params = {
                 "keywords": scraper_input.search_term,
                 "location": scraper_input.location,
@@ -71,40 +73,23 @@ class LinkedInScraper(Scraper):
             }
 
             params = {k: v for k, v in params.items() if v is not None}
-            retries = 0
-            while retries < self.MAX_RETRIES:
-                try:
-                    response = requests.get(
-                        f"{self.url}/jobs-guest/jobs/api/seeMoreJobPostings/search?",
-                        params=params,
-                        allow_redirects=True,
-                        proxies=self.proxy,
-                        timeout=10,
-                    )
-                    response.raise_for_status()
-
-                    break
-                except requests.HTTPError as e:
-                    if hasattr(e, "response") and e.response is not None:
-                        if e.response.status_code in (429, 502):
-                            time.sleep(self.DELAY)
-                            retries += 1
-                            continue
-                        else:
-                            raise LinkedInException(
-                                f"bad response status code: {e.response.status_code}"
-                            )
-                    else:
-                        raise
-                except ProxyError as e:
-                    raise LinkedInException("bad proxy")
-                except Exception as e:
-                    raise LinkedInException(str(e))
-            else:
-                # Raise an exception if the maximum number of retries is reached
-                raise LinkedInException(
-                    "Max retries reached, failed to get a valid response"
+            try:
+                response = session.get(
+                    f"{self.url}/jobs-guest/jobs/api/seeMoreJobPostings/search?",
+                    params=params,
+                    allow_redirects=True,
+                    proxies=self.proxy,
+                    headers=self.headers(),
+                    timeout=10,
                 )
+                response.raise_for_status()
+
+            except requests.HTTPError as e:
+                raise LinkedInException(f"bad response status code: {e.response.status_code}")
+            except ProxyError as e:
+                raise LinkedInException("bad proxy")
+            except Exception as e:
+                raise LinkedInException(str(e))
 
             soup = BeautifulSoup(response.text, "html.parser")
 
@@ -130,6 +115,7 @@ class LinkedInScraper(Scraper):
                     raise LinkedInException("Exception occurred while processing jobs")
 
             page += 25
+            time.sleep(random.uniform(LinkedInScraper.DELAY, LinkedInScraper.DELAY + 2))
 
         job_list = job_list[: scraper_input.results_wanted]
         return JobResponse(jobs=job_list)
@@ -181,22 +167,22 @@ class LinkedInScraper(Scraper):
         benefits_tag = job_card.find("span", class_="result-benefits__text")
         benefits = " ".join(benefits_tag.get_text().split()) if benefits_tag else None
 
-        description, job_type = self.get_job_description(job_url)
-        # description, job_type = None, []
+        # removed to speed up scraping
+        # description, job_type = self.get_job_description(job_url)
 
         return JobPost(
             title=title,
-            description=description,
             company_name=company,
             company_url=company_url,
             location=location,
             date_posted=date_posted,
             job_url=job_url,
-            job_type=job_type,
             compensation=compensation,
             benefits=benefits,
-            emails=extract_emails_from_text(description) if description else None,
-            num_urgent_words=count_urgent_words(description) if description else None,
+            # job_type=job_type,
+            # description=description,
+            # emails=extract_emails_from_text(description) if description else None,
+            # num_urgent_words=count_urgent_words(description) if description else None,
         )
 
     def get_job_description(
@@ -208,12 +194,10 @@ class LinkedInScraper(Scraper):
         :return: description or None
         """
         try:
-            response = requests.get(job_page_url, timeout=5, proxies=self.proxy)
+            session = create_session(is_tls=False, has_retry=True)
+            response = session.get(job_page_url, timeout=5, proxies=self.proxy)
             response.raise_for_status()
         except requests.HTTPError as e:
-            if hasattr(e, "response") and e.response is not None:
-                if e.response.status_code in (429, 502):
-                    time.sleep(self.DELAY)
             return None, None
         except Exception as e:
             return None, None
@@ -287,3 +271,21 @@ class LinkedInScraper(Scraper):
                 )
 
         return location
+
+    @staticmethod
+    def headers() -> dict:
+        return {
+            'authority': 'www.linkedin.com',
+            'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
+            'accept-language': 'en-US,en;q=0.9',
+            'cache-control': 'max-age=0',
+            'sec-ch-ua': '"Not_A Brand";v="8", "Chromium";v="120", "Google Chrome";v="120"',
+            # 'sec-ch-ua-mobile': '?0',
+            # 'sec-ch-ua-platform': '"macOS"',
+            # 'sec-fetch-dest': 'document',
+            # 'sec-fetch-mode': 'navigate',
+            # 'sec-fetch-site': 'none',
+            # 'sec-fetch-user': '?1',
+            'upgrade-insecure-requests': '1',
+            'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
+        }

src/jobspy/scrapers/utils.py

@@ -29,7 +29,7 @@ def extract_emails_from_text(text: str) -> list[str] | None:
     return email_regex.findall(text)
 
 
-def create_session(proxy: dict | None = None, is_tls: bool = True, has_retry: bool = False):
+def create_session(proxy: dict | None = None, is_tls: bool = True, has_retry: bool = False, delay: int = 1) -> requests.Session:
     """
     Creates a requests session with optional tls, proxy, and retry settings.
 
@@ -51,7 +51,7 @@ def create_session(proxy: dict | None = None, is_tls: bool = True, has_retry: bo
                             connect=3,
                             status=3,
                             status_forcelist=[500, 502, 503, 504, 429],
-                            backoff_factor=1)
+                            backoff_factor=delay)
             adapter = HTTPAdapter(max_retries=retries)
 
             session.mount('http://', adapter)