JobSpy/src/jobspy/scrapers/utils.py

114 lines
3.2 KiB
Python

from __future__ import annotations
import re
import logging
import requests
import tls_client
import numpy as np
from markdownify import markdownify as md
from requests.adapters import HTTPAdapter, Retry
from ..jobs import JobType
logger = logging.getLogger("JobSpy")
logger.propagate = False
if not logger.handlers:
logger.setLevel(logging.INFO)
console_handler = logging.StreamHandler()
format = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
formatter = logging.Formatter(format)
console_handler.setFormatter(formatter)
logger.addHandler(console_handler)
def set_logger_level(verbose: int = 2):
"""
Adjusts the logger's level. This function allows the logging level to be changed at runtime.
Parameters:
- verbose: int {0, 1, 2} (default=2, all logs)
"""
if verbose is None:
return
level_name = {2: "INFO", 1: "WARNING", 0: "ERROR"}.get(verbose, "INFO")
level = getattr(logging, level_name.upper(), None)
if level is not None:
logger.setLevel(level)
else:
raise ValueError(f"Invalid log level: {level_name}")
def markdown_converter(description_html: str):
if description_html is None:
return None
markdown = md(description_html)
return markdown.strip()
def extract_emails_from_text(text: str) -> list[str] | None:
if not text:
return None
email_regex = re.compile(r"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}")
return email_regex.findall(text)
def create_session(
proxies: 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.
:return: A session object
"""
if is_tls:
session = tls_client.Session(random_tls_extension_order=True)
session.proxies = proxies
else:
session = requests.Session()
session.allow_redirects = True
if proxies:
session.proxies.update(proxies)
if has_retry:
retries = Retry(
total=3,
connect=3,
status=3,
status_forcelist=[500, 502, 503, 504, 429],
backoff_factor=delay,
)
adapter = HTTPAdapter(max_retries=retries)
session.mount("http://", adapter)
session.mount("https://", adapter)
return session
def get_enum_from_job_type(job_type_str: str) -> JobType | None:
"""
Given a string, returns the corresponding JobType enum member if a match is found.
"""
res = None
for job_type in JobType:
if job_type_str in job_type.value:
res = job_type
return res
def currency_parser(cur_str):
# Remove any non-numerical characters
# except for ',' '.' or '-' (e.g. EUR)
cur_str = re.sub("[^-0-9.,]", "", cur_str)
# Remove any 000s separators (either , or .)
cur_str = re.sub("[.,]", "", cur_str[:-3]) + cur_str[-3:]
if "." in list(cur_str[-3:]):
num = float(cur_str)
elif "," in list(cur_str[-3:]):
num = float(cur_str.replace(",", "."))
else:
num = float(cur_str)
return np.round(num, 2)