pyr0ball
c368c7a977
App: Peregrine Company: Circuit Forge LLC Source: github.com/pyr0ball/job-seeker (personal fork, not linked)
228 lines
7.9 KiB
Python
228 lines
7.9 KiB
Python
# scripts/scrape_url.py
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"""
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Scrape a job listing from its URL and update the job record.
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Supports:
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- LinkedIn (guest jobs API — no auth required)
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- Indeed (HTML parse)
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- Glassdoor (JobSpy internal scraper, same as enrich_descriptions.py)
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- Generic (JSON-LD → og:tags fallback)
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Usage (background task — called by task_runner):
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from scripts.scrape_url import scrape_job_url
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scrape_job_url(db_path, job_id)
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"""
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import json
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import re
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import sqlite3
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import sys
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from pathlib import Path
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from typing import Optional
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from urllib.parse import urlparse, urlencode, parse_qsl
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import requests
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from bs4 import BeautifulSoup
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sys.path.insert(0, str(Path(__file__).parent.parent))
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from scripts.db import DEFAULT_DB, update_job_fields
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_STRIP_PARAMS = {
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"utm_source", "utm_medium", "utm_campaign", "utm_content", "utm_term",
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"trk", "trkEmail", "refId", "trackingId", "lipi", "midToken", "midSig",
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"eid", "otpToken", "ssid", "fmid",
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}
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_HEADERS = {
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"User-Agent": (
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"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 "
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"(KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36"
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)
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}
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_TIMEOUT = 12
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def _detect_board(url: str) -> str:
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"""Return 'linkedin', 'indeed', 'glassdoor', or 'generic'."""
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url_lower = url.lower()
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if "linkedin.com" in url_lower:
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return "linkedin"
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if "indeed.com" in url_lower:
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return "indeed"
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if "glassdoor.com" in url_lower:
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return "glassdoor"
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return "generic"
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def _extract_linkedin_job_id(url: str) -> Optional[str]:
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"""Extract numeric job ID from a LinkedIn job URL."""
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m = re.search(r"/jobs/view/(\d+)", url)
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return m.group(1) if m else None
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def canonicalize_url(url: str) -> str:
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"""
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Strip tracking parameters from a job URL and return a clean canonical form.
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LinkedIn: https://www.linkedin.com/jobs/view/<id>/?trk=... → https://www.linkedin.com/jobs/view/<id>/
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Others: strips utm_source/utm_medium/utm_campaign/trk/refId/trackingId
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"""
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url = url.strip()
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if "linkedin.com" in url.lower():
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job_id = _extract_linkedin_job_id(url)
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if job_id:
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return f"https://www.linkedin.com/jobs/view/{job_id}/"
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parsed = urlparse(url)
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clean_qs = urlencode([(k, v) for k, v in parse_qsl(parsed.query) if k not in _STRIP_PARAMS])
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return parsed._replace(query=clean_qs).geturl()
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def _scrape_linkedin(url: str) -> dict:
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"""Fetch via LinkedIn guest jobs API (no auth required)."""
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job_id = _extract_linkedin_job_id(url)
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if not job_id:
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return {}
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api_url = f"https://www.linkedin.com/jobs-guest/jobs/api/jobPosting/{job_id}"
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resp = requests.get(api_url, headers=_HEADERS, timeout=_TIMEOUT)
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resp.raise_for_status()
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soup = BeautifulSoup(resp.text, "html.parser")
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def _text(selector, **kwargs):
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tag = soup.find(selector, **kwargs)
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return tag.get_text(strip=True) if tag else ""
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title = _text("h2", class_="top-card-layout__title")
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company = _text("a", class_="topcard__org-name-link") or _text("span", class_="topcard__org-name-link")
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location = _text("span", class_="topcard__flavor--bullet")
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desc_div = soup.find("div", class_="show-more-less-html__markup")
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description = desc_div.get_text(separator="\n", strip=True) if desc_div else ""
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return {k: v for k, v in {
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"title": title,
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"company": company,
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"location": location,
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"description": description,
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"source": "linkedin",
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}.items() if v}
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def _scrape_indeed(url: str) -> dict:
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"""Scrape an Indeed job page."""
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resp = requests.get(url, headers=_HEADERS, timeout=_TIMEOUT)
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resp.raise_for_status()
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return _parse_json_ld_or_og(resp.text) or {}
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def _scrape_glassdoor(url: str) -> dict:
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"""Re-use JobSpy's Glassdoor scraper for description fetch."""
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m = re.search(r"jl=(\d+)", url)
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if not m:
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return {}
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try:
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from jobspy.glassdoor import Glassdoor
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from jobspy.glassdoor.constant import fallback_token, headers
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from jobspy.model import ScraperInput, Site
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from jobspy.util import create_session
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scraper = Glassdoor()
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scraper.base_url = "https://www.glassdoor.com/"
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scraper.session = create_session(has_retry=True)
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token = scraper._get_csrf_token()
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headers["gd-csrf-token"] = token if token else fallback_token
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scraper.scraper_input = ScraperInput(site_type=[Site.GLASSDOOR])
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description = scraper._fetch_job_description(int(m.group(1)))
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return {"description": description} if description else {}
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except Exception:
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return {}
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def _parse_json_ld_or_og(html: str) -> dict:
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"""Extract job fields from JSON-LD structured data, then og: meta tags."""
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soup = BeautifulSoup(html, "html.parser")
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for script in soup.find_all("script", type="application/ld+json"):
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try:
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data = json.loads(script.string or "")
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if isinstance(data, list):
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data = next((d for d in data if d.get("@type") == "JobPosting"), {})
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if data.get("@type") == "JobPosting":
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org = data.get("hiringOrganization") or {}
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loc = data.get("jobLocation") or {}
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if isinstance(loc, list):
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loc = loc[0] if loc else {}
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addr = loc.get("address") or {}
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location = (
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addr.get("addressLocality", "") or
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addr.get("addressRegion", "") or
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addr.get("addressCountry", "")
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)
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return {k: v for k, v in {
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"title": data.get("title", ""),
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"company": org.get("name", ""),
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"location": location,
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"description": data.get("description", ""),
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"salary": str(data.get("baseSalary", "")) if data.get("baseSalary") else "",
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}.items() if v}
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except Exception:
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continue
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def _meta(prop):
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tag = soup.find("meta", property=prop) or soup.find("meta", attrs={"name": prop})
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return tag.get("content", "") if tag else ""
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title_tag = soup.find("title")
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title = _meta("og:title") or (title_tag.get_text(strip=True) if title_tag else "")
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description = _meta("og:description")
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return {k: v for k, v in {"title": title, "description": description}.items() if v}
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def _scrape_generic(url: str) -> dict:
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resp = requests.get(url, headers=_HEADERS, timeout=_TIMEOUT)
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resp.raise_for_status()
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return _parse_json_ld_or_og(resp.text) or {}
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def scrape_job_url(db_path: Path = DEFAULT_DB, job_id: int = None) -> dict:
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"""
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Fetch the job listing at the stored URL and update the job record.
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Returns the dict of fields scraped (may be empty on failure).
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Does not raise — failures are logged and the job row is left as-is.
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"""
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if job_id is None:
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return {}
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conn = sqlite3.connect(db_path)
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conn.row_factory = sqlite3.Row
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row = conn.execute("SELECT url FROM jobs WHERE id=?", (job_id,)).fetchone()
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conn.close()
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if not row:
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return {}
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url = row["url"] or ""
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if not url.startswith("http"):
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return {}
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board = _detect_board(url)
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try:
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if board == "linkedin":
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fields = _scrape_linkedin(url)
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elif board == "indeed":
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fields = _scrape_indeed(url)
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elif board == "glassdoor":
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fields = _scrape_glassdoor(url)
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else:
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fields = _scrape_generic(url)
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except requests.RequestException as exc:
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print(f"[scrape_url] HTTP error for job {job_id} ({url}): {exc}")
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return {}
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except Exception as exc:
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print(f"[scrape_url] Error scraping job {job_id} ({url}): {exc}")
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return {}
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if fields:
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fields.pop("url", None)
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update_job_fields(db_path, job_id, fields)
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print(f"[scrape_url] job {job_id}: scraped '{fields.get('title', '?')}' @ {fields.get('company', '?')}")
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return fields
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