mirror of https://github.com/Bunsly/JobSpy
470 lines
16 KiB
Python
470 lines
16 KiB
Python
"""
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jobspy.scrapers.ziprecruiter
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~~~~~~~~~~~~~~~~~~~
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This module contains routines to scrape ZipRecruiter.
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"""
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import math
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import json
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import re
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from datetime import datetime, date
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from typing import Optional, Tuple, Any
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from urllib.parse import urlparse, parse_qs, urlunparse
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import tls_client
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import requests
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from bs4 import BeautifulSoup
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from bs4.element import Tag
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from concurrent.futures import ThreadPoolExecutor, Future
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from .. import Scraper, ScraperInput, Site
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from ..exceptions import ZipRecruiterException
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from ..utils import count_urgent_words, extract_emails_from_text
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from ...jobs import (
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JobPost,
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Compensation,
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CompensationInterval,
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Location,
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JobResponse,
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JobType,
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Country,
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)
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class ZipRecruiterScraper(Scraper):
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def __init__(self, proxy: Optional[str] = None):
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"""
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Initializes LinkedInScraper with the ZipRecruiter job search url
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"""
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site = Site(Site.ZIP_RECRUITER)
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self.url = "https://www.ziprecruiter.com"
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super().__init__(site, proxy=proxy)
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self.jobs_per_page = 20
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self.seen_urls = set()
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self.session = tls_client.Session(
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client_identifier="chrome112", random_tls_extension_order=True
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)
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def find_jobs_in_page(
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self, scraper_input: ScraperInput, page: int
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) -> list[JobPost]:
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"""
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Scrapes a page of ZipRecruiter for jobs with scraper_input criteria
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:param scraper_input:
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:param page:
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:return: jobs found on page
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"""
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job_list: list[JobPost] = []
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try:
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response = self.session.get(
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f"{self.url}/jobs-search",
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headers=ZipRecruiterScraper.headers(),
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params=ZipRecruiterScraper.add_params(scraper_input, page),
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allow_redirects=True,
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proxy=self.proxy,
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timeout_seconds=10,
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)
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if response.status_code != 200:
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raise ZipRecruiterException(
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f"bad response status code: {response.status_code}"
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)
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except Exception as e:
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if "Proxy responded with non 200 code" in str(e):
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raise ZipRecruiterException("bad proxy")
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raise ZipRecruiterException(str(e))
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else:
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soup = BeautifulSoup(response.text, "html.parser")
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js_tag = soup.find("script", {"id": "js_variables"})
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if js_tag:
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page_json = json.loads(js_tag.string)
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jobs_list = page_json.get("jobList")
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if jobs_list:
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page_variant = "javascript"
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# print('type javascript', len(jobs_list))
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else:
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page_variant = "html_2"
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jobs_list = soup.find_all("div", {"class": "job_content"})
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# print('type 2 html', len(jobs_list))
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else:
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page_variant = "html_1"
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jobs_list = soup.find_all("li", {"class": "job-listing"})
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# print('type 1 html', len(jobs_list))
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with ThreadPoolExecutor(max_workers=10) as executor:
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if page_variant == "javascript":
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job_results = [
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executor.submit(self.process_job_javascript, job)
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for job in jobs_list
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]
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elif page_variant == "html_1":
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job_results = [
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executor.submit(self.process_job_html_1, job) for job in jobs_list
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]
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elif page_variant == "html_2":
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job_results = [
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executor.submit(self.process_job_html_2, job) for job in jobs_list
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]
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job_list = [result.result() for result in job_results if result.result()]
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return job_list
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def scrape(self, scraper_input: ScraperInput) -> JobResponse:
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"""
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Scrapes ZipRecruiter for jobs with scraper_input criteria
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:param scraper_input:
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:return: job_response
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"""
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start_page = (scraper_input.offset // self.jobs_per_page) + 1 if scraper_input.offset else 1
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#: get first page to initialize session
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job_list: list[JobPost] = self.find_jobs_in_page(scraper_input, start_page)
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pages_to_process = max(
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3, math.ceil(scraper_input.results_wanted / self.jobs_per_page)
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)
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with ThreadPoolExecutor(max_workers=10) as executor:
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futures: list[Future] = [
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executor.submit(self.find_jobs_in_page, scraper_input, page)
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for page in range(start_page + 1, start_page + pages_to_process + 2)
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]
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for future in futures:
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jobs = future.result()
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job_list += jobs
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job_list = job_list[: scraper_input.results_wanted]
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return JobResponse(jobs=job_list)
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def process_job_html_1(self, job: Tag) -> Optional[JobPost]:
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"""
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Parses a job from the job content tag
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:param job: BeautifulSoup Tag for one job post
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:return JobPost
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TODO this method isnt finished due to not encountering this type of html often
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"""
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job_url = self.cleanurl(job.find("a", {"class": "job_link"})["href"])
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if job_url in self.seen_urls:
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return None
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title = job.find("h2", {"class": "title"}).text
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company = job.find("a", {"class": "company_name"}).text.strip()
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description, updated_job_url = self.get_description(job_url)
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# job_url = updated_job_url if updated_job_url else job_url
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if description is None:
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description = job.find("p", {"class": "job_snippet"}).text.strip()
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job_type_element = job.find("li", {"class": "perk_item perk_type"})
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job_type = None
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if job_type_element:
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job_type_text = (
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job_type_element.text.strip().lower().replace("_", "").replace(" ", "")
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)
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job_type = ZipRecruiterScraper.get_job_type_enum(job_type_text)
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date_posted = ZipRecruiterScraper.get_date_posted(job)
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job_post = JobPost(
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title=title,
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description=description,
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company_name=company,
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location=ZipRecruiterScraper.get_location(job),
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job_type=job_type,
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compensation=ZipRecruiterScraper.get_compensation(job),
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date_posted=date_posted,
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job_url=job_url,
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emails=extract_emails_from_text(description),
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num_urgent_words=count_urgent_words(description)
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)
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return job_post
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def process_job_html_2(self, job: Tag) -> Optional[JobPost]:
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"""
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Parses a job from the job content tag for a second variat of HTML that ZR uses
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:param job: BeautifulSoup Tag for one job post
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:return JobPost
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"""
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job_url = self.cleanurl(job.find("a", class_="job_link")["href"])
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title = job.find("h2", class_="title").text
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company = job.find("a", class_="company_name").text.strip()
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description, updated_job_url = self.get_description(job_url)
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# job_url = updated_job_url if updated_job_url else job_url
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if description is None:
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description = job.find("p", class_="job_snippet").get_text().strip()
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job_type_text = job.find("li", class_="perk_item perk_type")
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job_type = None
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if job_type_text:
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job_type_text = (
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job_type_text.get_text()
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.strip()
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.lower()
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.replace("-", "")
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.replace(" ", "")
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)
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job_type = ZipRecruiterScraper.get_job_type_enum(job_type_text)
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date_posted = ZipRecruiterScraper.get_date_posted(job)
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job_post = JobPost(
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title=title,
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description=description,
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company_name=company,
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location=ZipRecruiterScraper.get_location(job),
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job_type=job_type,
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compensation=ZipRecruiterScraper.get_compensation(job),
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date_posted=date_posted,
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job_url=job_url,
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)
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return job_post
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def process_job_javascript(self, job: dict) -> JobPost:
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title = job.get("Title")
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job_url = self.cleanurl(job.get("JobURL"))
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description, updated_job_url = self.get_description(job_url)
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# job_url = updated_job_url if updated_job_url else job_url
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if description is None:
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description = BeautifulSoup(
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job.get("Snippet", "").strip(), "html.parser"
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).get_text()
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company = job.get("OrgName")
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location = Location(
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city=job.get("City"), state=job.get("State"), country=Country.US_CANADA
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)
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job_type = ZipRecruiterScraper.get_job_type_enum(
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job.get("EmploymentType", "").replace("-", "").lower()
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)
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formatted_salary = job.get("FormattedSalaryShort", "")
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salary_parts = formatted_salary.split(" ")
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min_salary_str = salary_parts[0][1:].replace(",", "")
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if "." in min_salary_str:
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min_amount = int(float(min_salary_str) * 1000)
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else:
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min_amount = int(min_salary_str.replace("K", "000"))
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if len(salary_parts) >= 3 and salary_parts[2].startswith("$"):
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max_salary_str = salary_parts[2][1:].replace(",", "")
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if "." in max_salary_str:
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max_amount = int(float(max_salary_str) * 1000)
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else:
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max_amount = int(max_salary_str.replace("K", "000"))
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else:
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max_amount = 0
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compensation = Compensation(
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interval=CompensationInterval.YEARLY,
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min_amount=min_amount,
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max_amount=max_amount,
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currency="USD/CAD",
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)
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save_job_url = job.get("SaveJobURL", "")
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posted_time_match = re.search(
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r"posted_time=(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z)", save_job_url
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)
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if posted_time_match:
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date_time_str = posted_time_match.group(1)
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date_posted_obj = datetime.strptime(date_time_str, "%Y-%m-%dT%H:%M:%SZ")
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date_posted = date_posted_obj.date()
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else:
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date_posted = date.today()
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return JobPost(
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title=title,
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description=description,
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company_name=company,
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location=location,
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job_type=job_type,
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compensation=compensation,
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date_posted=date_posted,
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job_url=job_url,
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)
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return job_post
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@staticmethod
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def get_job_type_enum(job_type_str: str) -> Optional[list[JobType]]:
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for job_type in JobType:
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if job_type_str in job_type.value:
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return [job_type]
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return None
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def get_description(self, job_page_url: str) -> Tuple[Optional[str], Optional[str]]:
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"""
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Retrieves job description by going to the job page url
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:param job_page_url:
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:param session:
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:return: description or None, response url
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"""
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try:
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response = requests.get(
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job_page_url,
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headers=ZipRecruiterScraper.headers(),
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allow_redirects=True,
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timeout=5,
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proxies=self.proxy,
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)
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if response.status_code not in range(200, 400):
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return None, None
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except Exception as e:
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return None, None
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html_string = response.content
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soup_job = BeautifulSoup(html_string, "html.parser")
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job_description_div = soup_job.find("div", {"class": "job_description"})
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if job_description_div:
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return job_description_div.text.strip(), response.url
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return None, response.url
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@staticmethod
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def add_params(scraper_input, page) -> dict[str, str | Any]:
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params = {
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"search": scraper_input.search_term,
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"location": scraper_input.location,
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"page": page,
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"form": "jobs-landing",
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}
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job_type_value = None
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if scraper_input.job_type:
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if scraper_input.job_type.value == "fulltime":
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job_type_value = "full_time"
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elif scraper_input.job_type.value == "parttime":
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job_type_value = "part_time"
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else:
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job_type_value = scraper_input.job_type.value
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if job_type_value:
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params[
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"refine_by_employment"
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] = f"employment_type:employment_type:{job_type_value}"
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if scraper_input.is_remote:
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params["refine_by_location_type"] = "only_remote"
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if scraper_input.distance:
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params["radius"] = scraper_input.distance
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return params
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@staticmethod
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def get_interval(interval_str: str):
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"""
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Maps the interval alias to its appropriate CompensationInterval.
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:param interval_str
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:return: CompensationInterval
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"""
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interval_alias = {"annually": CompensationInterval.YEARLY}
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interval_str = interval_str.lower()
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if interval_str in interval_alias:
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return interval_alias[interval_str]
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return CompensationInterval(interval_str)
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@staticmethod
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def get_date_posted(job: Tag) -> Optional[datetime.date]:
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"""
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Extracts the date a job was posted
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:param job
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:return: date the job was posted or None
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"""
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button = job.find(
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"button", {"class": "action_input save_job zrs_btn_secondary_200"}
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)
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if not button:
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return None
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url_time = button.get("data-href", "")
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url_components = urlparse(url_time)
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params = parse_qs(url_components.query)
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posted_time_str = params.get("posted_time", [None])[0]
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if posted_time_str:
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posted_date = datetime.strptime(
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posted_time_str, "%Y-%m-%dT%H:%M:%SZ"
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).date()
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return posted_date
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return None
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@staticmethod
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def get_compensation(job: Tag) -> Optional[Compensation]:
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"""
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Parses the compensation tag from the job BeautifulSoup object
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:param job
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:return: Compensation object or None
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"""
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pay_element = job.find("li", {"class": "perk_item perk_pay"})
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if pay_element is None:
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return None
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pay = pay_element.find("div", {"class": "value"}).find("span").text.strip()
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def create_compensation_object(pay_string: str) -> Compensation:
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"""
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Creates a Compensation object from a pay_string
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:param pay_string
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:return: compensation
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"""
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interval = ZipRecruiterScraper.get_interval(pay_string.split()[-1])
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amounts = []
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for amount in pay_string.split("to"):
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amount = amount.replace(",", "").strip("$ ").split(" ")[0]
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if "K" in amount:
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amount = amount.replace("K", "")
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amount = int(float(amount)) * 1000
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else:
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amount = int(float(amount))
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amounts.append(amount)
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compensation = Compensation(
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interval=interval,
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min_amount=min(amounts),
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max_amount=max(amounts),
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currency="USD/CAD",
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)
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return compensation
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return create_compensation_object(pay)
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@staticmethod
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def get_location(job: Tag) -> Location:
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"""
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Extracts the job location from BeatifulSoup object
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:param job:
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:return: location
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"""
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location_link = job.find("a", {"class": "company_location"})
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if location_link is not None:
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location_string = location_link.text.strip()
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parts = location_string.split(", ")
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if len(parts) == 2:
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city, state = parts
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else:
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city, state = None, None
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else:
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city, state = None, None
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return Location(city=city, state=state, country=Country.US_CANADA)
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@staticmethod
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def headers() -> dict:
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"""
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Returns headers needed for requests
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:return: dict - Dictionary containing headers
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"""
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return {
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"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
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}
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@staticmethod
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def cleanurl(url):
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parsed_url = urlparse(url)
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return urlunparse((parsed_url.scheme, parsed_url.netloc, parsed_url.path, parsed_url.params, '', ''))
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