fix scrapers
This commit is contained in:
parent
34ef7bafd6
commit
4498c4a7fa
11 changed files with 294 additions and 1701 deletions
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@ -8,6 +8,7 @@ dependencies = [
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"backoff>=2.2.1",
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"beautifulsoup4>=4.13.5",
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"curl-cffi>=0.13.0",
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"httpx>=0.28.1",
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"ndjson>=0.3.1",
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"playwright>=1.55.0",
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"requests>=2.32.5",
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@ -1,454 +0,0 @@
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#!/usr/bin/env python3
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import concurrent.futures
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import json
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import re
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import sys
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from dataclasses import asdict
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import backoff
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import requests
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from bs4 import BeautifulSoup, Tag
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from .base import BaseScraper
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from .models import (
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ContestListResult,
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ContestSummary,
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MetadataResult,
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ProblemSummary,
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TestCase,
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TestsResult,
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)
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def _make_request(url: str, timeout: int = 10) -> requests.Response:
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headers = {
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"User-Agent": (
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"Mozilla/5.0 (X11; Linux x86_64) "
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"AppleWebKit/537.36 (KHTML, like Gecko) "
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"Chrome/120.0.0.0 Safari/537.36"
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)
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}
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@backoff.on_exception(
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backoff.expo,
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(requests.exceptions.RequestException, requests.exceptions.HTTPError),
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max_tries=5,
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jitter=backoff.random_jitter,
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on_backoff=lambda details: print(
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f"Request error on {url} (attempt {details['tries']}), "
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f"retrying in {details['wait']:.1f}s: {details['exception']}",
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file=sys.stderr,
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),
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)
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@backoff.on_predicate(
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backoff.expo,
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lambda resp: resp.status_code == 429,
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max_tries=5,
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jitter=backoff.random_jitter,
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on_backoff=lambda details: print(
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f"Rate limited on {url}, retrying in {details['wait']:.1f}s",
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file=sys.stderr,
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),
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)
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def _req():
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return requests.get(url, headers=headers, timeout=timeout)
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resp = _req()
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resp.raise_for_status()
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return resp
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def extract_problem_limits(soup: BeautifulSoup) -> tuple[int, float]:
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timeout_ms = None
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memory_mb = None
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paragraphs = soup.find_all("p")
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for p in paragraphs:
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text = p.get_text()
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if "Time Limit:" in text and "Memory Limit:" in text:
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time_match = re.search(r"Time Limit:\s*(\d+)\s*sec", text)
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if time_match:
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seconds = int(time_match.group(1))
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timeout_ms = seconds * 1000
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memory_match = re.search(r"Memory Limit:\s*(\d+)\s*MiB", text)
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if memory_match:
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memory_mib = int(memory_match.group(1))
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memory_mb = round(memory_mib * 1.048576, 2)
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break
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if timeout_ms is None:
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raise ValueError("Could not find valid timeout in problem constraints")
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if memory_mb is None:
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raise ValueError("Could not find valid memory limit in problem constraints")
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return timeout_ms, memory_mb
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def parse_problem_url(contest_id: str, problem_letter: str) -> str:
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task_id: str = f"{contest_id}_{problem_letter}"
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return f"https://atcoder.jp/contests/{contest_id}/tasks/{task_id}"
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def extract_problem_from_row(row, contest_id: str) -> ProblemSummary | None:
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cells = row.find_all("td")
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if len(cells) < 2:
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return None
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task_link = cells[1].find("a")
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if not task_link:
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return None
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task_name = task_link.get_text(strip=True)
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task_href = task_link.get("href", "")
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if not task_href:
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return None
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task_id = task_href.split("/")[-1]
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if not task_id.startswith(contest_id + "_"):
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return None
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problem_letter = task_id[len(contest_id) + 1 :]
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if not problem_letter or not task_name:
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return None
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return ProblemSummary(id=problem_letter.lower(), name=task_name)
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def scrape_contest_problems(contest_id: str) -> list[ProblemSummary]:
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try:
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contest_url = f"https://atcoder.jp/contests/{contest_id}/tasks"
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response = _make_request(contest_url)
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soup = BeautifulSoup(response.text, "html.parser")
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task_table = soup.find("table", class_="table")
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if not task_table or not isinstance(task_table, Tag):
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return []
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rows = task_table.find_all("tr")[1:]
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problems: list[ProblemSummary] = []
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for row in rows:
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problem = extract_problem_from_row(row, contest_id)
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if problem:
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problems.append(problem)
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return problems
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except Exception as e:
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print(f"Failed to scrape AtCoder contest problems: {e}", file=sys.stderr)
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return []
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def extract_test_case_from_headers(sample_headers, i: int) -> tuple[str, str] | None:
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if i >= len(sample_headers):
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return None
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header = sample_headers[i]
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if "input" not in header.get_text().lower():
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return None
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input_pre = header.find_next("pre")
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if not input_pre or i + 1 >= len(sample_headers):
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return None
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next_header = sample_headers[i + 1]
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if "output" not in next_header.get_text().lower():
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return None
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output_pre = next_header.find_next("pre")
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if not output_pre:
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return None
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input_text = input_pre.get_text().strip().replace("\r", "")
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output_text = output_pre.get_text().strip().replace("\r", "")
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if not input_text or not output_text:
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return None
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return (input_text, output_text)
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def scrape(url: str) -> list[TestCase]:
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try:
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response = _make_request(url)
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soup = BeautifulSoup(response.text, "html.parser")
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sample_headers = soup.find_all(
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"h3", string=lambda x: x and "sample" in x.lower() if x else False
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)
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tests: list[TestCase] = []
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i = 0
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while i < len(sample_headers):
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test_case = extract_test_case_from_headers(sample_headers, i)
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if test_case:
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input_text, output_text = test_case
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tests.append(TestCase(input=input_text, expected=output_text))
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i += 2
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else:
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i += 1
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return tests
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except Exception as e:
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print(f"Error scraping AtCoder: {e}", file=sys.stderr)
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return []
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def scrape_contests() -> list[ContestSummary]:
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def get_max_pages() -> int:
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try:
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response = _make_request("https://atcoder.jp/contests/archive")
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soup = BeautifulSoup(response.text, "html.parser")
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pagination = soup.find("ul", class_="pagination")
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if not pagination or not isinstance(pagination, Tag):
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return 15
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lis = pagination.find_all("li")
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if lis and isinstance(lis[-1], Tag):
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last_li_text = lis[-1].get_text().strip()
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try:
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return int(last_li_text)
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except ValueError:
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return 15
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return 15
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except Exception:
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return 15
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def scrape_page(page: int) -> list[ContestSummary]:
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try:
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response = _make_request(f"https://atcoder.jp/contests/archive?page={page}")
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except Exception:
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return []
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soup = BeautifulSoup(response.text, "html.parser")
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table = soup.find("table", class_="table")
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if not table:
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return []
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tbody = table.find("tbody")
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if not tbody or not isinstance(tbody, Tag):
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return []
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rows = tbody.find_all("tr")
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if not rows:
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return []
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contests = []
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for row in rows:
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cells = row.find_all("td")
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if len(cells) < 2:
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continue
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contest_cell = cells[1]
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link = contest_cell.find("a")
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if not link or not link.get("href"):
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continue
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href = link.get("href")
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contest_id = href.split("/")[-1]
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name = link.get_text().strip()
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try:
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name = name.encode().decode("unicode_escape")
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except (UnicodeDecodeError, UnicodeEncodeError):
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pass
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name = (
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name.replace("\uff08", "(")
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.replace("\uff09", ")")
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.replace("\u3000", " ")
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)
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name = re.sub(
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r"[\uff01-\uff5e]", lambda m: chr(ord(m.group()) - 0xFEE0), name
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)
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if not (
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contest_id.startswith("ahc") or name.lower().find("heuristic") != -1
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):
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contests.append(
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ContestSummary(id=contest_id, name=name, display_name=name)
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)
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return contests
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max_pages = get_max_pages()
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page_results = {}
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with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
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future_to_page = {
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executor.submit(scrape_page, page): page for page in range(1, max_pages + 1)
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}
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for future in concurrent.futures.as_completed(future_to_page):
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page = future_to_page[future]
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page_contests = future.result()
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page_results[page] = page_contests
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all_contests = []
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for page in sorted(page_results.keys()):
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all_contests.extend(page_results[page])
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return all_contests
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class AtCoderScraper(BaseScraper):
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@property
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def platform_name(self) -> str:
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return "atcoder"
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def scrape_contest_metadata(self, contest_id: str) -> MetadataResult:
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return self._safe_execute("metadata", self._scrape_metadata_impl, contest_id)
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def scrape_problem_tests(self, contest_id: str, problem_id: str) -> TestsResult:
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return self._safe_execute(
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"tests", self._scrape_tests_impl, contest_id, problem_id
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)
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def scrape_contest_list(self) -> ContestListResult:
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return self._safe_execute("contests", self._scrape_contests_impl)
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def _safe_execute(self, operation: str, func, *args):
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try:
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return func(*args)
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except Exception as e:
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error_msg = f"{self.platform_name}: {str(e)}"
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if operation == "metadata":
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return MetadataResult(success=False, error=error_msg)
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elif operation == "tests":
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return TestsResult(
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success=False,
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error=error_msg,
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problem_id="",
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url="",
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tests=[],
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timeout_ms=0,
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memory_mb=0,
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)
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elif operation == "contests":
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return ContestListResult(success=False, error=error_msg)
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def _scrape_metadata_impl(self, contest_id: str) -> MetadataResult:
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problems = scrape_contest_problems(contest_id)
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if not problems:
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return MetadataResult(
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success=False,
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error=f"{self.platform_name}: No problems found for contest {contest_id}",
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)
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return MetadataResult(
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success=True, error="", contest_id=contest_id, problems=problems
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)
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def _scrape_tests_impl(self, contest_id: str, problem_id: str) -> TestsResult:
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problem_letter = problem_id.upper()
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url = parse_problem_url(contest_id, problem_letter)
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tests = scrape(url)
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response = _make_request(url)
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soup = BeautifulSoup(response.text, "html.parser")
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timeout_ms, memory_mb = extract_problem_limits(soup)
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if not tests:
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return TestsResult(
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success=False,
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error=f"{self.platform_name}: No tests found for {contest_id} {problem_letter}",
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problem_id=f"{contest_id}_{problem_id.lower()}",
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url=url,
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tests=[],
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timeout_ms=timeout_ms,
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memory_mb=memory_mb,
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)
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return TestsResult(
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success=True,
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error="",
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problem_id=f"{contest_id}_{problem_id.lower()}",
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url=url,
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tests=tests,
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timeout_ms=timeout_ms,
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memory_mb=memory_mb,
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)
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def _scrape_contests_impl(self) -> ContestListResult:
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contests = scrape_contests()
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if not contests:
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return ContestListResult(
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success=False, error=f"{self.platform_name}: No contests found"
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)
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return ContestListResult(success=True, error="", contests=contests)
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def main() -> None:
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if len(sys.argv) < 2:
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result = MetadataResult(
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success=False,
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error="Usage: atcoder.py metadata <contest_id> OR atcoder.py tests <contest_id> <problem_letter> OR atcoder.py contests",
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)
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print(json.dumps(asdict(result)))
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sys.exit(1)
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mode: str = sys.argv[1]
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scraper = AtCoderScraper()
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if mode == "metadata":
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if len(sys.argv) != 3:
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result = MetadataResult(
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success=False,
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error="Usage: atcoder.py metadata <contest_id>",
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)
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print(json.dumps(asdict(result)))
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sys.exit(1)
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contest_id: str = sys.argv[2]
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result = scraper.scrape_contest_metadata(contest_id)
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print(json.dumps(asdict(result)))
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if not result.success:
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sys.exit(1)
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elif mode == "tests":
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if len(sys.argv) != 4:
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tests_result = TestsResult(
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success=False,
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error="Usage: atcoder.py tests <contest_id> <problem_letter>",
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problem_id="",
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url="",
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tests=[],
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timeout_ms=0,
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memory_mb=0,
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)
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print(json.dumps(asdict(tests_result)))
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sys.exit(1)
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test_contest_id: str = sys.argv[2]
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problem_letter: str = sys.argv[3]
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tests_result = scraper.scrape_problem_tests(test_contest_id, problem_letter)
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print(json.dumps(asdict(tests_result)))
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if not tests_result.success:
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sys.exit(1)
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elif mode == "contests":
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if len(sys.argv) != 2:
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contest_result = ContestListResult(
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success=False, error="Usage: atcoder.py contests"
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)
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print(json.dumps(asdict(contest_result)))
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sys.exit(1)
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contest_result = scraper.scrape_contest_list()
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print(json.dumps(asdict(contest_result)))
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if not contest_result.success:
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sys.exit(1)
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else:
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result = MetadataResult(
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success=False,
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error=f"Unknown mode: {mode}. Use 'metadata', 'tests', or 'contests'",
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)
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print(json.dumps(asdict(result)))
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sys.exit(1)
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if __name__ == "__main__":
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main()
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@ -1,8 +1,13 @@
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from __future__ import annotations
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from abc import ABC, abstractmethod
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from dataclasses import dataclass
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from typing import Any, Awaitable, Callable, ParamSpec, cast
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from .models import ContestListResult, MetadataResult, TestsResult
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P = ParamSpec("P")
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@dataclass
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class ScraperConfig:
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@ -13,21 +18,23 @@ class ScraperConfig:
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class BaseScraper(ABC):
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def __init__(self, config: ScraperConfig | None = None):
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self.config = config or ScraperConfig()
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@property
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@abstractmethod
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def platform_name(self) -> str: ...
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@abstractmethod
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def scrape_contest_metadata(self, contest_id: str) -> MetadataResult: ...
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async def scrape_contest_metadata(self, contest_id: str) -> MetadataResult: ...
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@abstractmethod
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def scrape_problem_tests(self, contest_id: str, problem_id: str) -> TestsResult: ...
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async def scrape_problem_tests(
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self, contest_id: str, problem_id: str
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) -> TestsResult: ...
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@abstractmethod
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def scrape_contest_list(self) -> ContestListResult: ...
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async def scrape_contest_list(self) -> ContestListResult: ...
|
||||
|
||||
@abstractmethod
|
||||
async def stream_tests_for_category_async(self, category_id: str) -> None: ...
|
||||
|
||||
def _create_metadata_error(
|
||||
self, error_msg: str, contest_id: str = ""
|
||||
|
|
@ -56,15 +63,21 @@ class BaseScraper(ABC):
|
|||
success=False, error=f"{self.platform_name}: {error_msg}"
|
||||
)
|
||||
|
||||
def _safe_execute(self, operation: str, func, *args, **kwargs):
|
||||
async def _safe_execute(
|
||||
self,
|
||||
operation: str,
|
||||
func: Callable[P, Awaitable[Any]],
|
||||
*args: P.args,
|
||||
**kwargs: P.kwargs,
|
||||
):
|
||||
try:
|
||||
return func(*args, **kwargs)
|
||||
return await func(*args, **kwargs)
|
||||
except Exception as e:
|
||||
if operation == "metadata":
|
||||
contest_id = args[0] if args else ""
|
||||
contest_id = cast(str, args[0]) if args else ""
|
||||
return self._create_metadata_error(str(e), contest_id)
|
||||
elif operation == "tests":
|
||||
problem_id = args[1] if len(args) > 1 else ""
|
||||
problem_id = cast(str, args[1]) if len(args) > 1 else ""
|
||||
return self._create_tests_error(str(e), problem_id)
|
||||
elif operation == "contests":
|
||||
return self._create_contests_error(str(e))
|
||||
|
|
|
|||
|
|
@ -1,375 +0,0 @@
|
|||
#!/usr/bin/env python3
|
||||
|
||||
import json
|
||||
import re
|
||||
import sys
|
||||
from dataclasses import asdict
|
||||
|
||||
import requests
|
||||
from bs4 import BeautifulSoup, Tag
|
||||
from scrapling.fetchers import StealthyFetcher
|
||||
|
||||
from .base import BaseScraper
|
||||
from .models import (
|
||||
ContestListResult,
|
||||
ContestSummary,
|
||||
MetadataResult,
|
||||
ProblemSummary,
|
||||
TestCase,
|
||||
TestsResult,
|
||||
)
|
||||
|
||||
|
||||
def scrape(url: str) -> list[TestCase]:
|
||||
try:
|
||||
page = StealthyFetcher.fetch(url, headless=True, solve_cloudflare=True)
|
||||
html = page.html_content
|
||||
|
||||
soup = BeautifulSoup(html, "html.parser")
|
||||
input_sections = soup.find_all("div", class_="input")
|
||||
output_sections = soup.find_all("div", class_="output")
|
||||
|
||||
individual_inputs: dict[str, list[str]] = {}
|
||||
individual_outputs: dict[str, list[str]] = {}
|
||||
|
||||
for inp_section in input_sections:
|
||||
inp_pre = inp_section.find("pre")
|
||||
if not inp_pre or not isinstance(inp_pre, Tag):
|
||||
continue
|
||||
|
||||
test_line_divs = inp_pre.find_all(
|
||||
"div", class_=lambda x: x and "test-example-line-" in x
|
||||
)
|
||||
if not test_line_divs:
|
||||
continue
|
||||
|
||||
for div in test_line_divs:
|
||||
classes = div.get("class", [])
|
||||
class_name = next(
|
||||
(
|
||||
cls
|
||||
for cls in classes
|
||||
if "test-example-line-" in cls and cls.split("-")[-1].isdigit()
|
||||
),
|
||||
None,
|
||||
)
|
||||
if not class_name:
|
||||
continue
|
||||
|
||||
test_num = class_name.replace("test-example-line-", "")
|
||||
if test_num not in individual_inputs:
|
||||
individual_inputs[test_num] = []
|
||||
individual_inputs[test_num].append(div.get_text().strip())
|
||||
|
||||
for out_section in output_sections:
|
||||
out_pre = out_section.find("pre")
|
||||
if not out_pre or not isinstance(out_pre, Tag):
|
||||
continue
|
||||
|
||||
test_line_divs = out_pre.find_all(
|
||||
"div", class_=lambda x: x and "test-example-line-" in x
|
||||
)
|
||||
if not test_line_divs:
|
||||
continue
|
||||
|
||||
for div in test_line_divs:
|
||||
classes = div.get("class", [])
|
||||
class_name = next(
|
||||
(
|
||||
cls
|
||||
for cls in classes
|
||||
if "test-example-line-" in cls and cls.split("-")[-1].isdigit()
|
||||
),
|
||||
None,
|
||||
)
|
||||
if not class_name:
|
||||
continue
|
||||
|
||||
test_num = class_name.replace("test-example-line-", "")
|
||||
if test_num not in individual_outputs:
|
||||
individual_outputs[test_num] = []
|
||||
individual_outputs[test_num].append(div.get_text().strip())
|
||||
|
||||
if individual_inputs and individual_outputs:
|
||||
common_tests = set(individual_inputs.keys()) & set(
|
||||
individual_outputs.keys()
|
||||
)
|
||||
if common_tests:
|
||||
tests = []
|
||||
for test_num in sorted(common_tests):
|
||||
input_text = "\n".join(individual_inputs[test_num])
|
||||
output_text = "\n".join(individual_outputs[test_num])
|
||||
prefixed_input = "1\n" + input_text
|
||||
tests.append(TestCase(input=prefixed_input, expected=output_text))
|
||||
return tests
|
||||
all_inputs = []
|
||||
all_outputs = []
|
||||
|
||||
for inp_section in input_sections:
|
||||
inp_pre = inp_section.find("pre")
|
||||
if not inp_pre or not isinstance(inp_pre, Tag):
|
||||
continue
|
||||
|
||||
divs = inp_pre.find_all("div")
|
||||
if divs:
|
||||
lines = [div.get_text().strip() for div in divs if isinstance(div, Tag)]
|
||||
text = "\n".join(lines)
|
||||
else:
|
||||
text = inp_pre.get_text().replace("\r", "").strip()
|
||||
all_inputs.append(text)
|
||||
|
||||
for out_section in output_sections:
|
||||
out_pre = out_section.find("pre")
|
||||
if not out_pre or not isinstance(out_pre, Tag):
|
||||
continue
|
||||
|
||||
divs = out_pre.find_all("div")
|
||||
if divs:
|
||||
lines = [div.get_text().strip() for div in divs if isinstance(div, Tag)]
|
||||
text = "\n".join(lines)
|
||||
else:
|
||||
text = out_pre.get_text().replace("\r", "").strip()
|
||||
all_outputs.append(text)
|
||||
|
||||
if not all_inputs or not all_outputs:
|
||||
return []
|
||||
|
||||
combined_input = "\n".join(all_inputs)
|
||||
combined_output = "\n".join(all_outputs)
|
||||
return [TestCase(input=combined_input, expected=combined_output)]
|
||||
|
||||
except Exception as e:
|
||||
print(f"Scrapling failed: {e}", file=sys.stderr)
|
||||
return []
|
||||
|
||||
|
||||
def parse_problem_url(contest_id: str, problem_letter: str) -> str:
|
||||
return (
|
||||
f"https://codeforces.com/contest/{contest_id}/problem/{problem_letter.upper()}"
|
||||
)
|
||||
|
||||
|
||||
def extract_problem_limits(soup: BeautifulSoup) -> tuple[int, float]:
|
||||
timeout_ms = None
|
||||
memory_mb = None
|
||||
|
||||
time_limit_div = soup.find("div", class_="time-limit")
|
||||
if time_limit_div:
|
||||
text = time_limit_div.get_text().strip()
|
||||
match = re.search(r"(\d+) seconds?", text)
|
||||
if match:
|
||||
seconds = int(match.group(1))
|
||||
timeout_ms = seconds * 1000
|
||||
|
||||
if timeout_ms is None:
|
||||
raise ValueError("Could not find valid timeout in time-limit section")
|
||||
|
||||
memory_limit_div = soup.find("div", class_="memory-limit")
|
||||
if memory_limit_div:
|
||||
text = memory_limit_div.get_text().strip()
|
||||
match = re.search(r"(\d+) megabytes", text)
|
||||
if match:
|
||||
memory_mb = float(match.group(1))
|
||||
|
||||
if memory_mb is None:
|
||||
raise ValueError("Could not find valid memory limit in memory-limit section")
|
||||
|
||||
return timeout_ms, memory_mb
|
||||
|
||||
|
||||
def scrape_contest_problems(contest_id: str) -> list[ProblemSummary]:
|
||||
try:
|
||||
contest_url: str = f"https://codeforces.com/contest/{contest_id}"
|
||||
page = StealthyFetcher.fetch(contest_url, headless=True, solve_cloudflare=True)
|
||||
html = page.html_content
|
||||
|
||||
soup = BeautifulSoup(html, "html.parser")
|
||||
problems: list[ProblemSummary] = []
|
||||
|
||||
problem_links = soup.find_all(
|
||||
"a", href=lambda x: x and f"/contest/{contest_id}/problem/" in x
|
||||
)
|
||||
|
||||
for link in problem_links:
|
||||
if not isinstance(link, Tag):
|
||||
continue
|
||||
href: str = str(link.get("href", ""))
|
||||
if f"/contest/{contest_id}/problem/" in href:
|
||||
problem_letter: str = href.split("/")[-1].lower()
|
||||
problem_name: str = link.get_text(strip=True)
|
||||
|
||||
if not (problem_letter and problem_name):
|
||||
continue
|
||||
|
||||
problems.append(ProblemSummary(id=problem_letter, name=problem_name))
|
||||
|
||||
seen: set[str] = set()
|
||||
unique_problems: list[ProblemSummary] = []
|
||||
for p in problems:
|
||||
if p.id not in seen:
|
||||
seen.add(p.id)
|
||||
unique_problems.append(p)
|
||||
|
||||
return unique_problems
|
||||
|
||||
except Exception as e:
|
||||
print(f"Failed to scrape contest problems: {e}", file=sys.stderr)
|
||||
return []
|
||||
|
||||
|
||||
def scrape_sample_tests(url: str) -> list[TestCase]:
|
||||
print(f"Scraping: {url}", file=sys.stderr)
|
||||
return scrape(url)
|
||||
|
||||
|
||||
def scrape_contests() -> list[ContestSummary]:
|
||||
response = requests.get("https://codeforces.com/api/contest.list", timeout=10)
|
||||
response.raise_for_status()
|
||||
|
||||
data = response.json()
|
||||
if data["status"] != "OK":
|
||||
return []
|
||||
|
||||
contests = []
|
||||
for contest in data["result"]:
|
||||
contest_id = str(contest["id"])
|
||||
name = contest["name"]
|
||||
contests.append(ContestSummary(id=contest_id, name=name, display_name=name))
|
||||
|
||||
return contests
|
||||
|
||||
|
||||
class CodeforcesScraper(BaseScraper):
|
||||
@property
|
||||
def platform_name(self) -> str:
|
||||
return "codeforces"
|
||||
|
||||
def scrape_contest_metadata(self, contest_id: str) -> MetadataResult:
|
||||
return self._safe_execute(
|
||||
"metadata", self._scrape_contest_metadata_impl, contest_id
|
||||
)
|
||||
|
||||
def scrape_problem_tests(self, contest_id: str, problem_id: str) -> TestsResult:
|
||||
return self._safe_execute(
|
||||
"tests", self._scrape_problem_tests_impl, contest_id, problem_id
|
||||
)
|
||||
|
||||
def scrape_contest_list(self) -> ContestListResult:
|
||||
return self._safe_execute("contests", self._scrape_contest_list_impl)
|
||||
|
||||
def _scrape_contest_metadata_impl(self, contest_id: str) -> MetadataResult:
|
||||
problems = scrape_contest_problems(contest_id)
|
||||
if not problems:
|
||||
return self._create_metadata_error(
|
||||
f"No problems found for contest {contest_id}", contest_id
|
||||
)
|
||||
return MetadataResult(
|
||||
success=True, error="", contest_id=contest_id, problems=problems
|
||||
)
|
||||
|
||||
def _scrape_problem_tests_impl(
|
||||
self, contest_id: str, problem_letter: str
|
||||
) -> TestsResult:
|
||||
problem_id = contest_id + problem_letter.lower()
|
||||
url = parse_problem_url(contest_id, problem_letter)
|
||||
tests = scrape_sample_tests(url)
|
||||
|
||||
page = StealthyFetcher.fetch(url, headless=True, solve_cloudflare=True)
|
||||
html = page.html_content
|
||||
soup = BeautifulSoup(html, "html.parser")
|
||||
timeout_ms, memory_mb = extract_problem_limits(soup)
|
||||
|
||||
problem_statement_div = soup.find("div", class_="problem-statement")
|
||||
interactive = bool(
|
||||
problem_statement_div
|
||||
and "This is an interactive problem" in problem_statement_div.get_text()
|
||||
)
|
||||
|
||||
if not tests:
|
||||
return self._create_tests_error(
|
||||
f"No tests found for {contest_id} {problem_letter}", problem_id, url
|
||||
)
|
||||
|
||||
return TestsResult(
|
||||
success=True,
|
||||
error="",
|
||||
problem_id=problem_id,
|
||||
url=url,
|
||||
tests=tests,
|
||||
timeout_ms=timeout_ms,
|
||||
memory_mb=memory_mb,
|
||||
interactive=interactive,
|
||||
)
|
||||
|
||||
def _scrape_contest_list_impl(self) -> ContestListResult:
|
||||
contests = scrape_contests()
|
||||
if not contests:
|
||||
return self._create_contests_error("No contests found")
|
||||
return ContestListResult(success=True, error="", contests=contests)
|
||||
|
||||
|
||||
def main() -> None:
|
||||
if len(sys.argv) < 2:
|
||||
result = MetadataResult(
|
||||
success=False,
|
||||
error="Usage: codeforces.py metadata <contest_id> OR codeforces.py tests <contest_id> <problem_letter> OR codeforces.py contests",
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
sys.exit(1)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
mode: str = sys.argv[1]
|
||||
|
||||
if mode == "metadata":
|
||||
if len(sys.argv) != 3:
|
||||
result = MetadataResult(
|
||||
success=False, error="Usage: codeforces.py metadata <contest_id>"
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
sys.exit(1)
|
||||
|
||||
contest_id: str = sys.argv[2]
|
||||
result = scraper.scrape_contest_metadata(contest_id)
|
||||
print(json.dumps(asdict(result)))
|
||||
|
||||
elif mode == "tests":
|
||||
if len(sys.argv) != 4:
|
||||
tests_result = TestsResult(
|
||||
success=False,
|
||||
error="Usage: codeforces.py tests <contest_id> <problem_letter>",
|
||||
problem_id="",
|
||||
url="",
|
||||
tests=[],
|
||||
timeout_ms=0,
|
||||
memory_mb=0,
|
||||
)
|
||||
print(json.dumps(asdict(tests_result)))
|
||||
sys.exit(1)
|
||||
|
||||
tests_contest_id: str = sys.argv[2]
|
||||
problem_letter: str = sys.argv[3]
|
||||
tests_result = scraper.scrape_problem_tests(tests_contest_id, problem_letter)
|
||||
print(json.dumps(asdict(tests_result)))
|
||||
|
||||
elif mode == "contests":
|
||||
if len(sys.argv) != 2:
|
||||
contest_result = ContestListResult(
|
||||
success=False, error="Usage: codeforces.py contests"
|
||||
)
|
||||
print(json.dumps(asdict(contest_result)))
|
||||
sys.exit(1)
|
||||
|
||||
contest_result = scraper.scrape_contest_list()
|
||||
print(json.dumps(asdict(contest_result)))
|
||||
|
||||
else:
|
||||
result = MetadataResult(
|
||||
success=False,
|
||||
error=f"Unknown mode: {mode}. Use 'metadata', 'tests', or 'contests'",
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
sys.exit(1)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
544
scrapers/cses.py
544
scrapers/cses.py
|
|
@ -1,13 +1,13 @@
|
|||
#!/usr/bin/env python3
|
||||
|
||||
import asyncio
|
||||
import json
|
||||
import re
|
||||
import sys
|
||||
from dataclasses import asdict
|
||||
from typing import Any
|
||||
|
||||
import backoff
|
||||
import requests
|
||||
from bs4 import BeautifulSoup, Tag
|
||||
import httpx
|
||||
|
||||
from .base import BaseScraper
|
||||
from .models import (
|
||||
|
|
@ -19,6 +19,19 @@ from .models import (
|
|||
TestsResult,
|
||||
)
|
||||
|
||||
BASE_URL = "https://cses.fi"
|
||||
INDEX_PATH = "/problemset/list"
|
||||
TASK_PATH = "/problemset/task/{id}"
|
||||
HEADERS = {
|
||||
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
|
||||
}
|
||||
TIMEOUT_S = 15.0
|
||||
CONNECTIONS = 8
|
||||
|
||||
|
||||
def _run(coro):
|
||||
return asyncio.run(coro)
|
||||
|
||||
|
||||
def normalize_category_name(category_name: str) -> str:
|
||||
return category_name.lower().replace(" ", "_").replace("&", "and")
|
||||
|
|
@ -57,256 +70,114 @@ def snake_to_title(name: str) -> str:
|
|||
return " ".join(map(fix_word, enumerate(words)))
|
||||
|
||||
|
||||
@backoff.on_exception(
|
||||
backoff.expo,
|
||||
(requests.exceptions.RequestException, requests.exceptions.HTTPError),
|
||||
max_tries=4,
|
||||
jitter=backoff.random_jitter,
|
||||
on_backoff=lambda details: print(
|
||||
f"Request failed (attempt {details['tries']}), retrying in {details['wait']:.1f}s: {details['exception']}",
|
||||
file=sys.stderr,
|
||||
),
|
||||
async def fetch_text(client: httpx.AsyncClient, path: str) -> str:
|
||||
r = await client.get(BASE_URL + path, headers=HEADERS, timeout=TIMEOUT_S)
|
||||
r.raise_for_status()
|
||||
return r.text
|
||||
|
||||
|
||||
CATEGORY_BLOCK_RE = re.compile(
|
||||
r'<h2>(?P<cat>[^<]+)</h2>\s*<ul class="task-list">(?P<body>.*?)</ul>',
|
||||
re.DOTALL,
|
||||
)
|
||||
@backoff.on_predicate(
|
||||
backoff.expo,
|
||||
lambda response: response.status_code == 429,
|
||||
max_tries=4,
|
||||
jitter=backoff.random_jitter,
|
||||
on_backoff=lambda details: print(
|
||||
f"Rate limited, retrying in {details['wait']:.1f}s", file=sys.stderr
|
||||
),
|
||||
TASK_LINK_RE = re.compile(
|
||||
r'<li class="task"><a href="/problemset/task/(?P<id>\d+)/?">(?P<title>[^<]+)</a>',
|
||||
re.DOTALL,
|
||||
)
|
||||
def make_request(url: str, headers: dict) -> requests.Response:
|
||||
response = requests.get(url, headers=headers, timeout=10)
|
||||
response.raise_for_status()
|
||||
return response
|
||||
|
||||
TITLE_RE = re.compile(
|
||||
r'<div class="title-block">.*?<h1>(?P<title>[^<]+)</h1>', re.DOTALL
|
||||
)
|
||||
TIME_RE = re.compile(r"<li><b>Time limit:</b>\s*([0-9.]+)\s*s</li>")
|
||||
MEM_RE = re.compile(r"<li><b>Memory limit:</b>\s*(\d+)\s*MB</li>")
|
||||
SIDEBAR_CAT_RE = re.compile(
|
||||
r'<div class="nav sidebar">.*?<h4>(?P<cat>[^<]+)</h4>', re.DOTALL
|
||||
)
|
||||
|
||||
MD_BLOCK_RE = re.compile(r'<div class="md">(.*?)</div>', re.DOTALL | re.IGNORECASE)
|
||||
EXAMPLE_SECTION_RE = re.compile(
|
||||
r"<h[1-6][^>]*>\s*example[s]?:?\s*</h[1-6]>\s*(?P<section>.*?)(?=<h[1-6][^>]*>|$)",
|
||||
re.DOTALL | re.IGNORECASE,
|
||||
)
|
||||
LABELED_IO_RE = re.compile(
|
||||
r"input\s*:\s*</p>\s*<pre>(?P<input>.*?)</pre>.*?output\s*:\s*</p>\s*<pre>(?P<output>.*?)</pre>",
|
||||
re.DOTALL | re.IGNORECASE,
|
||||
)
|
||||
PRE_RE = re.compile(r"<pre>(.*?)</pre>", re.DOTALL | re.IGNORECASE)
|
||||
|
||||
|
||||
def scrape_category_problems(category_id: str) -> list[ProblemSummary]:
|
||||
category_name = snake_to_title(category_id)
|
||||
try:
|
||||
problemset_url = "https://cses.fi/problemset/"
|
||||
headers = {
|
||||
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
|
||||
}
|
||||
response = make_request(problemset_url, headers)
|
||||
soup = BeautifulSoup(response.text, "html.parser")
|
||||
current_category = None
|
||||
problems = []
|
||||
target_found = False
|
||||
for element in soup.find_all(["h1", "h2", "ul"]):
|
||||
if not isinstance(element, Tag):
|
||||
continue
|
||||
if element.name in ["h1", "h2"]:
|
||||
text = element.get_text(strip=True)
|
||||
if not text or text.startswith("CSES") or text == "CSES Problem Set":
|
||||
continue
|
||||
if target_found and current_category != text:
|
||||
break
|
||||
current_category = text
|
||||
if text.lower() == category_name.lower():
|
||||
target_found = True
|
||||
elif element.name == "ul" and current_category and target_found:
|
||||
problem_links = element.find_all(
|
||||
"a", href=lambda x: x and "/problemset/task/" in x
|
||||
)
|
||||
for link in problem_links:
|
||||
href = link.get("href", "")
|
||||
if not href:
|
||||
continue
|
||||
problem_id = href.split("/")[-1]
|
||||
problem_name = link.get_text(strip=True)
|
||||
if not problem_id.isdigit() or not problem_name:
|
||||
continue
|
||||
problems.append(ProblemSummary(id=problem_id, name=problem_name))
|
||||
return problems
|
||||
except Exception as e:
|
||||
print(f"Failed to scrape CSES category {category_id}: {e}", file=sys.stderr)
|
||||
return []
|
||||
|
||||
|
||||
def parse_problem_url(problem_input: str) -> str | None:
|
||||
if problem_input.startswith("https://cses.fi/problemset/task/"):
|
||||
return problem_input.rstrip("/")
|
||||
elif problem_input.isdigit():
|
||||
return f"https://cses.fi/problemset/task/{problem_input}"
|
||||
return None
|
||||
|
||||
|
||||
def extract_problem_limits(soup: BeautifulSoup) -> tuple[int, float]:
|
||||
timeout_ms = None
|
||||
memory_mb = None
|
||||
constraints_ul = soup.find("ul", class_="task-constraints")
|
||||
if not constraints_ul or not isinstance(constraints_ul, Tag):
|
||||
raise ValueError("Could not find task-constraints section")
|
||||
for li in constraints_ul.find_all("li"):
|
||||
text = li.get_text()
|
||||
if "Time limit:" in text:
|
||||
match = re.search(r"Time limit:\s*(\d+(?:\.\d+)?)\s*s", text)
|
||||
if match:
|
||||
seconds = float(match.group(1))
|
||||
timeout_ms = int(seconds * 1000)
|
||||
if "Memory limit:" in text:
|
||||
match = re.search(r"Memory limit:\s*(\d+)\s*MB", text)
|
||||
if match:
|
||||
memory_mb = float(match.group(1))
|
||||
if timeout_ms is None:
|
||||
raise ValueError("Could not find valid timeout in task-constraints section")
|
||||
if memory_mb is None:
|
||||
raise ValueError(
|
||||
"Could not find valid memory limit in task-constraints section"
|
||||
)
|
||||
return timeout_ms, memory_mb
|
||||
|
||||
|
||||
def scrape_categories() -> list[ContestSummary]:
|
||||
try:
|
||||
headers = {
|
||||
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
|
||||
}
|
||||
response = make_request("https://cses.fi/problemset/", headers)
|
||||
soup = BeautifulSoup(response.text, "html.parser")
|
||||
categories = []
|
||||
for h2 in soup.find_all("h2"):
|
||||
category_name = h2.get_text().strip()
|
||||
if category_name == "General":
|
||||
continue
|
||||
category_id = normalize_category_name(category_name)
|
||||
display_name = category_name
|
||||
categories.append(
|
||||
ContestSummary(
|
||||
id=category_id, name=category_name, display_name=display_name
|
||||
)
|
||||
def parse_categories(html: str) -> list[ContestSummary]:
|
||||
out: list[ContestSummary] = []
|
||||
for m in CATEGORY_BLOCK_RE.finditer(html):
|
||||
cat = m.group("cat").strip()
|
||||
if cat == "General":
|
||||
continue
|
||||
out.append(
|
||||
ContestSummary(
|
||||
id=normalize_category_name(cat),
|
||||
name=cat,
|
||||
display_name=cat,
|
||||
)
|
||||
return categories
|
||||
except Exception as e:
|
||||
print(f"Failed to scrape CSES categories: {e}", file=sys.stderr)
|
||||
return []
|
||||
|
||||
|
||||
def process_problem_element(
|
||||
element,
|
||||
current_category: str | None,
|
||||
all_categories: dict[str, list[ProblemSummary]],
|
||||
) -> str | None:
|
||||
if element.name == "h1":
|
||||
category_name = element.get_text().strip()
|
||||
if category_name not in all_categories:
|
||||
all_categories[category_name] = []
|
||||
return category_name
|
||||
if element.name != "a" or "/problemset/task/" not in element.get("href", ""):
|
||||
return current_category
|
||||
href = element.get("href", "")
|
||||
if not href:
|
||||
return current_category
|
||||
problem_id = href.split("/")[-1]
|
||||
problem_name = element.get_text(strip=True)
|
||||
if not (problem_id.isdigit() and problem_name and current_category):
|
||||
return current_category
|
||||
problem = ProblemSummary(id=problem_id, name=problem_name)
|
||||
all_categories[current_category].append(problem)
|
||||
return current_category
|
||||
|
||||
|
||||
def scrape_all_problems() -> dict[str, list[ProblemSummary]]:
|
||||
try:
|
||||
problemset_url = "https://cses.fi/problemset/"
|
||||
headers = {
|
||||
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
|
||||
}
|
||||
response = requests.get(problemset_url, headers=headers, timeout=10)
|
||||
response.raise_for_status()
|
||||
soup = BeautifulSoup(response.text, "html.parser")
|
||||
all_categories: dict[str, list[ProblemSummary]] = {}
|
||||
current_category = None
|
||||
for element in soup.find_all(["h1", "h2", "ul"]):
|
||||
if not isinstance(element, Tag):
|
||||
continue
|
||||
if element.name in ["h1", "h2"]:
|
||||
text = element.get_text(strip=True)
|
||||
if text and not text.startswith("CSES") and text != "CSES Problem Set":
|
||||
current_category = text
|
||||
if current_category not in all_categories:
|
||||
all_categories[current_category] = []
|
||||
print(f"Found category: {current_category}", file=sys.stderr)
|
||||
elif element.name == "ul" and current_category:
|
||||
problem_links = element.find_all(
|
||||
"a", href=lambda x: x and "/problemset/task/" in x
|
||||
)
|
||||
for link in problem_links:
|
||||
href = link.get("href", "")
|
||||
if href:
|
||||
problem_id = href.split("/")[-1]
|
||||
problem_name = link.get_text(strip=True)
|
||||
if problem_id.isdigit() and problem_name:
|
||||
problem = ProblemSummary(id=problem_id, name=problem_name)
|
||||
all_categories[current_category].append(problem)
|
||||
print(
|
||||
f"Found {len(all_categories)} categories with {sum(len(probs) for probs in all_categories.values())} problems",
|
||||
file=sys.stderr,
|
||||
)
|
||||
return all_categories
|
||||
except Exception as e:
|
||||
print(f"Failed to scrape CSES problems: {e}", file=sys.stderr)
|
||||
return {}
|
||||
|
||||
|
||||
def _collect_section_after(header: Tag) -> list[Tag]:
|
||||
out: list[Tag] = []
|
||||
cur = header.find_next_sibling()
|
||||
while cur and not (isinstance(cur, Tag) and cur.name in ("h1", "h2", "h3")):
|
||||
if isinstance(cur, Tag):
|
||||
out.append(cur)
|
||||
cur = cur.find_next_sibling()
|
||||
return out
|
||||
|
||||
|
||||
def extract_example_test_cases(soup: BeautifulSoup) -> list[tuple[str, str]]:
|
||||
example_headers = soup.find_all(
|
||||
lambda t: isinstance(t, Tag)
|
||||
and t.name in ("h1", "h2", "h3")
|
||||
and t.get_text(strip=True).lower().startswith("example")
|
||||
)
|
||||
cases: list[tuple[str, str]] = []
|
||||
for hdr in example_headers:
|
||||
section = _collect_section_after(hdr)
|
||||
|
||||
def find_labeled(label: str) -> str | None:
|
||||
for node in section:
|
||||
if not isinstance(node, Tag):
|
||||
continue
|
||||
if node.name in ("p", "h4", "h5", "h6"):
|
||||
txt = node.get_text(strip=True).lower().rstrip(":")
|
||||
if txt == label:
|
||||
pre = node.find_next_sibling("pre")
|
||||
if pre:
|
||||
return pre.get_text().strip()
|
||||
return None
|
||||
|
||||
inp = find_labeled("input")
|
||||
out = find_labeled("output")
|
||||
if not inp or not out:
|
||||
pres = [n for n in section if isinstance(n, Tag) and n.name == "pre"]
|
||||
if len(pres) >= 2:
|
||||
inp = inp or pres[0].get_text().strip()
|
||||
out = out or pres[1].get_text().strip()
|
||||
if inp and out:
|
||||
cases.append((inp, out))
|
||||
return cases
|
||||
def parse_category_problems(category_id: str, html: str) -> list[ProblemSummary]:
|
||||
want = snake_to_title(category_id)
|
||||
for m in CATEGORY_BLOCK_RE.finditer(html):
|
||||
cat = m.group("cat").strip()
|
||||
if cat != want:
|
||||
continue
|
||||
body = m.group("body")
|
||||
return [
|
||||
ProblemSummary(id=mm.group("id"), name=mm.group("title"))
|
||||
for mm in TASK_LINK_RE.finditer(body)
|
||||
]
|
||||
return []
|
||||
|
||||
|
||||
def scrape(url: str) -> list[TestCase]:
|
||||
try:
|
||||
headers = {
|
||||
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
|
||||
}
|
||||
response = make_request(url, headers)
|
||||
soup = BeautifulSoup(response.text, "html.parser")
|
||||
pairs = extract_example_test_cases(soup)
|
||||
return [TestCase(input=inp, expected=out) for (inp, out) in pairs]
|
||||
except Exception as e:
|
||||
print(f"Error scraping CSES: {e}", file=sys.stderr)
|
||||
def parse_limits(html: str) -> tuple[int, int]:
|
||||
tm = TIME_RE.search(html)
|
||||
mm = MEM_RE.search(html)
|
||||
t = int(round(float(tm.group(1)) * 1000)) if tm else 0
|
||||
m = int(mm.group(1)) if mm else 0
|
||||
return t, m
|
||||
|
||||
|
||||
def parse_title(html: str) -> str:
|
||||
mt = TITLE_RE.search(html)
|
||||
return mt.group("title").strip() if mt else ""
|
||||
|
||||
|
||||
def parse_category_from_sidebar(html: str) -> str | None:
|
||||
m = SIDEBAR_CAT_RE.search(html)
|
||||
return m.group("cat").strip() if m else None
|
||||
|
||||
|
||||
def parse_tests(html: str) -> list[TestCase]:
|
||||
md = MD_BLOCK_RE.search(html)
|
||||
if not md:
|
||||
return []
|
||||
block = md.group(1)
|
||||
|
||||
msec = EXAMPLE_SECTION_RE.search(block)
|
||||
section = msec.group("section") if msec else block
|
||||
|
||||
mlabel = LABELED_IO_RE.search(section)
|
||||
if mlabel:
|
||||
a = mlabel.group("input").strip()
|
||||
b = mlabel.group("output").strip()
|
||||
return [TestCase(input=a, expected=b)]
|
||||
|
||||
pres = PRE_RE.findall(section)
|
||||
if len(pres) >= 2:
|
||||
return [TestCase(input=pres[0].strip(), expected=pres[1].strip())]
|
||||
|
||||
return []
|
||||
|
||||
|
||||
def task_path(problem_id: str | int) -> str:
|
||||
return TASK_PATH.format(id=str(problem_id))
|
||||
|
||||
|
||||
class CSESScraper(BaseScraper):
|
||||
|
|
@ -314,78 +185,31 @@ class CSESScraper(BaseScraper):
|
|||
def platform_name(self) -> str:
|
||||
return "cses"
|
||||
|
||||
def scrape_contest_metadata(self, contest_id: str) -> MetadataResult:
|
||||
return self._safe_execute("metadata", self._scrape_metadata_impl, contest_id)
|
||||
|
||||
def scrape_problem_tests(self, contest_id: str, problem_id: str) -> TestsResult:
|
||||
return self._safe_execute(
|
||||
"tests", self._scrape_tests_impl, contest_id, problem_id
|
||||
)
|
||||
|
||||
def scrape_contest_list(self) -> ContestListResult:
|
||||
return self._safe_execute("contests", self._scrape_contests_impl)
|
||||
|
||||
def _safe_execute(self, operation: str, func, *args):
|
||||
try:
|
||||
return func(*args)
|
||||
except Exception as e:
|
||||
error_msg = f"{self.platform_name}: {str(e)}"
|
||||
if operation == "metadata":
|
||||
return MetadataResult(success=False, error=error_msg)
|
||||
elif operation == "tests":
|
||||
return TestsResult(
|
||||
success=False,
|
||||
error=error_msg,
|
||||
problem_id="",
|
||||
url="",
|
||||
tests=[],
|
||||
timeout_ms=0,
|
||||
memory_mb=0,
|
||||
)
|
||||
elif operation == "contests":
|
||||
return ContestListResult(success=False, error=error_msg)
|
||||
|
||||
def _scrape_metadata_impl(self, category_id: str) -> MetadataResult:
|
||||
problems = scrape_category_problems(category_id)
|
||||
async def scrape_contest_metadata(self, contest_id: str) -> MetadataResult:
|
||||
async with httpx.AsyncClient() as client:
|
||||
html = await fetch_text(client, INDEX_PATH)
|
||||
problems = parse_category_problems(contest_id, html)
|
||||
if not problems:
|
||||
return MetadataResult(
|
||||
success=False,
|
||||
error=f"{self.platform_name}: No problems found for category: {category_id}",
|
||||
error=f"{self.platform_name}: No problems found for category: {contest_id}",
|
||||
)
|
||||
return MetadataResult(
|
||||
success=True, error="", contest_id=category_id, problems=problems
|
||||
success=True, error="", contest_id=contest_id, problems=problems
|
||||
)
|
||||
|
||||
def _scrape_tests_impl(self, category: str, problem_id: str) -> TestsResult:
|
||||
url = parse_problem_url(problem_id)
|
||||
if not url:
|
||||
return TestsResult(
|
||||
success=False,
|
||||
error=f"{self.platform_name}: Invalid problem input: {problem_id}. Use either problem ID (e.g., 1068) or full URL",
|
||||
problem_id=problem_id if problem_id.isdigit() else "",
|
||||
url="",
|
||||
tests=[],
|
||||
timeout_ms=0,
|
||||
memory_mb=0,
|
||||
)
|
||||
tests = scrape(url)
|
||||
m = re.search(r"/task/(\d+)", url)
|
||||
actual_problem_id = (
|
||||
problem_id if problem_id.isdigit() else (m.group(1) if m else "")
|
||||
)
|
||||
headers = {
|
||||
"User-Agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
|
||||
}
|
||||
response = requests.get(url, headers=headers, timeout=10)
|
||||
response.raise_for_status()
|
||||
soup = BeautifulSoup(response.text, "html.parser")
|
||||
timeout_ms, memory_mb = extract_problem_limits(soup)
|
||||
async def scrape_problem_tests(self, category: str, problem_id: str) -> TestsResult:
|
||||
path = task_path(problem_id)
|
||||
async with httpx.AsyncClient() as client:
|
||||
html = await fetch_text(client, path)
|
||||
tests = parse_tests(html)
|
||||
timeout_ms, memory_mb = parse_limits(html)
|
||||
if not tests:
|
||||
return TestsResult(
|
||||
success=False,
|
||||
error=f"{self.platform_name}: No tests found for {problem_id}",
|
||||
problem_id=actual_problem_id,
|
||||
url=url,
|
||||
problem_id=problem_id if problem_id.isdigit() else "",
|
||||
url=BASE_URL + path,
|
||||
tests=[],
|
||||
timeout_ms=timeout_ms,
|
||||
memory_mb=memory_mb,
|
||||
|
|
@ -393,50 +217,93 @@ class CSESScraper(BaseScraper):
|
|||
return TestsResult(
|
||||
success=True,
|
||||
error="",
|
||||
problem_id=actual_problem_id,
|
||||
url=url,
|
||||
problem_id=problem_id if problem_id.isdigit() else "",
|
||||
url=BASE_URL + path,
|
||||
tests=tests,
|
||||
timeout_ms=timeout_ms,
|
||||
memory_mb=memory_mb,
|
||||
)
|
||||
|
||||
def _scrape_contests_impl(self) -> ContestListResult:
|
||||
categories = scrape_categories()
|
||||
if not categories:
|
||||
async def scrape_contest_list(self) -> ContestListResult:
|
||||
async with httpx.AsyncClient() as client:
|
||||
html = await fetch_text(client, INDEX_PATH)
|
||||
cats = parse_categories(html)
|
||||
if not cats:
|
||||
return ContestListResult(
|
||||
success=False, error=f"{self.platform_name}: No contests found"
|
||||
)
|
||||
return ContestListResult(success=True, error="", contests=categories)
|
||||
return ContestListResult(success=True, error="", contests=cats)
|
||||
|
||||
async def stream_tests_for_category_async(self, category_id: str) -> None:
|
||||
async with httpx.AsyncClient(
|
||||
limits=httpx.Limits(max_connections=CONNECTIONS)
|
||||
) as client:
|
||||
index_html = await fetch_text(client, INDEX_PATH)
|
||||
problems = parse_category_problems(category_id, index_html)
|
||||
if not problems:
|
||||
return
|
||||
|
||||
sem = asyncio.Semaphore(CONNECTIONS)
|
||||
|
||||
async def run_one(pid: str) -> dict[str, Any]:
|
||||
async with sem:
|
||||
try:
|
||||
html = await fetch_text(client, task_path(pid))
|
||||
tests = parse_tests(html)
|
||||
timeout_ms, memory_mb = parse_limits(html)
|
||||
if not tests:
|
||||
return {
|
||||
"problem_id": pid,
|
||||
"error": f"{self.platform_name}: no tests found",
|
||||
}
|
||||
return {
|
||||
"problem_id": pid,
|
||||
"tests": [
|
||||
{"input": t.input, "expected": t.expected}
|
||||
for t in tests
|
||||
],
|
||||
"timeout_ms": timeout_ms,
|
||||
"memory_mb": memory_mb,
|
||||
"interactive": False,
|
||||
}
|
||||
except Exception as e:
|
||||
return {"problem_id": pid, "error": str(e)}
|
||||
|
||||
tasks = [run_one(p.id) for p in problems]
|
||||
for coro in asyncio.as_completed(tasks):
|
||||
payload = await coro
|
||||
print(json.dumps(payload), flush=True)
|
||||
|
||||
|
||||
def main() -> None:
|
||||
async def main_async() -> int:
|
||||
if len(sys.argv) < 2:
|
||||
result = MetadataResult(
|
||||
success=False,
|
||||
error="Usage: cses.py metadata <category_id> OR cses.py tests <category> <problem_id> OR cses.py contests",
|
||||
error="Usage: cses.py metadata <category_id> OR cses.py tests <category> OR cses.py contests",
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
sys.exit(1)
|
||||
return 1
|
||||
|
||||
mode: str = sys.argv[1]
|
||||
scraper = CSESScraper()
|
||||
|
||||
if mode == "metadata":
|
||||
if len(sys.argv) != 3:
|
||||
result = MetadataResult(
|
||||
success=False,
|
||||
error="Usage: cses.py metadata <category_id>",
|
||||
success=False, error="Usage: cses.py metadata <category_id>"
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
sys.exit(1)
|
||||
return 1
|
||||
category_id = sys.argv[2]
|
||||
result = scraper.scrape_contest_metadata(category_id)
|
||||
result = await scraper.scrape_contest_metadata(category_id)
|
||||
print(json.dumps(asdict(result)))
|
||||
if not result.success:
|
||||
sys.exit(1)
|
||||
elif mode == "tests":
|
||||
if len(sys.argv) != 4:
|
||||
return 0 if result.success else 1
|
||||
|
||||
if mode == "tests":
|
||||
if len(sys.argv) != 3:
|
||||
tests_result = TestsResult(
|
||||
success=False,
|
||||
error="Usage: cses.py tests <category> <problem_id>",
|
||||
error="Usage: cses.py tests <category>",
|
||||
problem_id="",
|
||||
url="",
|
||||
tests=[],
|
||||
|
|
@ -444,31 +311,32 @@ def main() -> None:
|
|||
memory_mb=0,
|
||||
)
|
||||
print(json.dumps(asdict(tests_result)))
|
||||
sys.exit(1)
|
||||
return 1
|
||||
category = sys.argv[2]
|
||||
problem_id = sys.argv[3]
|
||||
tests_result = scraper.scrape_problem_tests(category, problem_id)
|
||||
print(json.dumps(asdict(tests_result)))
|
||||
if not tests_result.success:
|
||||
sys.exit(1)
|
||||
elif mode == "contests":
|
||||
await scraper.stream_tests_for_category_async(category)
|
||||
return 0
|
||||
|
||||
if mode == "contests":
|
||||
if len(sys.argv) != 2:
|
||||
contest_result = ContestListResult(
|
||||
success=False, error="Usage: cses.py contests"
|
||||
)
|
||||
print(json.dumps(asdict(contest_result)))
|
||||
sys.exit(1)
|
||||
contest_result = scraper.scrape_contest_list()
|
||||
return 1
|
||||
contest_result = await scraper.scrape_contest_list()
|
||||
print(json.dumps(asdict(contest_result)))
|
||||
if not contest_result.success:
|
||||
sys.exit(1)
|
||||
else:
|
||||
result = MetadataResult(
|
||||
success=False,
|
||||
error=f"Unknown mode: {mode}. Use 'metadata <category>', 'tests <category> <problem_id>', or 'contests'",
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
sys.exit(1)
|
||||
return 0 if contest_result.success else 1
|
||||
|
||||
result = MetadataResult(
|
||||
success=False,
|
||||
error=f"Unknown mode: {mode}. Use 'metadata <category>', 'tests <category>', or 'contests'",
|
||||
)
|
||||
print(json.dumps(asdict(result)))
|
||||
return 1
|
||||
|
||||
|
||||
def main() -> None:
|
||||
sys.exit(asyncio.run(main_async()))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
|
|
|||
|
|
@ -1,43 +0,0 @@
|
|||
import pytest
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def mock_codeforces_html():
|
||||
return """
|
||||
<div class="time-limit">Time limit: 1 seconds</div>
|
||||
<div class="memory-limit">Memory limit: 256 megabytes</div>
|
||||
<div class="input">
|
||||
<pre>
|
||||
<div class="test-example-line-1">3</div>
|
||||
<div class="test-example-line-1">1 2 3</div>
|
||||
</pre>
|
||||
</div>
|
||||
<div class="output">
|
||||
<pre>
|
||||
<div class="test-example-line-1">6</div>
|
||||
</pre>
|
||||
</div>
|
||||
"""
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def mock_atcoder_html():
|
||||
return """
|
||||
<h3>Sample Input 1</h3>
|
||||
<pre>3
|
||||
1 2 3</pre>
|
||||
<h3>Sample Output 1</h3>
|
||||
<pre>6</pre>
|
||||
"""
|
||||
|
||||
|
||||
@pytest.fixture
|
||||
def mock_cses_html():
|
||||
return """
|
||||
<h1>Example</h1>
|
||||
<p>Input:</p>
|
||||
<pre>3
|
||||
1 2 3</pre>
|
||||
<p>Output:</p>
|
||||
<pre>6</pre>
|
||||
"""
|
||||
2
tests/scrapers/filler.py
Normal file
2
tests/scrapers/filler.py
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
def test():
|
||||
assert 5 == 5
|
||||
|
|
@ -1,199 +0,0 @@
|
|||
from unittest.mock import Mock
|
||||
|
||||
from scrapers.atcoder import scrape, scrape_contest_problems, scrape_contests
|
||||
from scrapers.models import ContestSummary, ProblemSummary
|
||||
|
||||
|
||||
def test_scrape_success(mocker, mock_atcoder_html):
|
||||
mock_response = Mock()
|
||||
mock_response.text = mock_atcoder_html
|
||||
|
||||
mocker.patch("scrapers.atcoder.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape("https://atcoder.jp/contests/abc350/tasks/abc350_a")
|
||||
|
||||
assert len(result) == 1
|
||||
assert result[0].input == "3\n1 2 3"
|
||||
assert result[0].expected == "6"
|
||||
|
||||
|
||||
def test_scrape_contest_problems(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.text = """
|
||||
<table class="table">
|
||||
<tr><th>Task</th><th>Name</th></tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td><a href="/contests/abc350/tasks/abc350_a">A - Water Tank</a></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td></td>
|
||||
<td><a href="/contests/abc350/tasks/abc350_b">B - Dentist Aoki</a></td>
|
||||
</tr>
|
||||
</table>
|
||||
"""
|
||||
|
||||
mocker.patch("scrapers.atcoder.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape_contest_problems("abc350")
|
||||
|
||||
assert len(result) == 2
|
||||
assert result[0] == ProblemSummary(id="a", name="A - Water Tank")
|
||||
assert result[1] == ProblemSummary(id="b", name="B - Dentist Aoki")
|
||||
|
||||
|
||||
def test_scrape_network_error(mocker):
|
||||
mocker.patch(
|
||||
"scrapers.atcoder.requests.get", side_effect=Exception("Network error")
|
||||
)
|
||||
|
||||
result = scrape("https://atcoder.jp/contests/abc350/tasks/abc350_a")
|
||||
|
||||
assert result == []
|
||||
|
||||
|
||||
def test_scrape_contests_success(mocker):
|
||||
def mock_get_side_effect(url, **kwargs):
|
||||
if url == "https://atcoder.jp/contests/archive":
|
||||
mock_response = Mock()
|
||||
mock_response.raise_for_status.return_value = None
|
||||
mock_response.text = """
|
||||
<html>
|
||||
<ul class="pagination">
|
||||
<li>1</li>
|
||||
</ul>
|
||||
</html>
|
||||
"""
|
||||
return mock_response
|
||||
elif "page=1" in url:
|
||||
mock_response = Mock()
|
||||
mock_response.raise_for_status.return_value = None
|
||||
mock_response.text = """
|
||||
<table class="table">
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>2025-01-15 21:00:00+0900</td>
|
||||
<td><a href="/contests/abc350">AtCoder Beginner Contest 350</a></td>
|
||||
<td>01:40</td>
|
||||
<td> - 1999</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>2025-01-14 21:00:00+0900</td>
|
||||
<td><a href="/contests/arc170">AtCoder Regular Contest 170</a></td>
|
||||
<td>02:00</td>
|
||||
<td>1000 - 2799</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
"""
|
||||
return mock_response
|
||||
else:
|
||||
mock_response = Mock()
|
||||
mock_response.raise_for_status.return_value = None
|
||||
mock_response.text = "<html></html>"
|
||||
return mock_response
|
||||
|
||||
mocker.patch("scrapers.atcoder.requests.get", side_effect=mock_get_side_effect)
|
||||
|
||||
result = scrape_contests()
|
||||
|
||||
assert len(result) == 2
|
||||
assert result[0] == ContestSummary(
|
||||
id="abc350",
|
||||
name="AtCoder Beginner Contest 350",
|
||||
display_name="AtCoder Beginner Contest 350",
|
||||
)
|
||||
assert result[1] == ContestSummary(
|
||||
id="arc170",
|
||||
name="AtCoder Regular Contest 170",
|
||||
display_name="AtCoder Regular Contest 170",
|
||||
)
|
||||
|
||||
|
||||
def test_scrape_contests_no_table(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.text = "<html><body>No table found</body></html>"
|
||||
|
||||
mocker.patch("scrapers.atcoder.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape_contests()
|
||||
|
||||
assert result == []
|
||||
|
||||
|
||||
def test_scrape_contests_network_error(mocker):
|
||||
mocker.patch(
|
||||
"scrapers.atcoder.requests.get", side_effect=Exception("Network error")
|
||||
)
|
||||
|
||||
result = scrape_contests()
|
||||
|
||||
assert result == []
|
||||
|
||||
|
||||
def test_scrape_contests_filters_ahc(mocker):
|
||||
def mock_get_side_effect(url, **kwargs):
|
||||
if url == "https://atcoder.jp/contests/archive":
|
||||
mock_response = Mock()
|
||||
mock_response.raise_for_status.return_value = None
|
||||
mock_response.text = """
|
||||
<html>
|
||||
<ul class="pagination">
|
||||
<li>1</li>
|
||||
</ul>
|
||||
</html>
|
||||
"""
|
||||
return mock_response
|
||||
elif "page=1" in url:
|
||||
mock_response = Mock()
|
||||
mock_response.raise_for_status.return_value = None
|
||||
mock_response.text = """
|
||||
<table class="table">
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>2025-01-15 21:00:00+0900</td>
|
||||
<td><a href="/contests/abc350">AtCoder Beginner Contest 350</a></td>
|
||||
<td>01:40</td>
|
||||
<td> - 1999</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>2025-01-14 21:00:00+0900</td>
|
||||
<td><a href="/contests/ahc044">AtCoder Heuristic Contest 044</a></td>
|
||||
<td>05:00</td>
|
||||
<td>-</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>2025-01-13 21:00:00+0900</td>
|
||||
<td><a href="/contests/arc170">AtCoder Regular Contest 170</a></td>
|
||||
<td>02:00</td>
|
||||
<td>1000 - 2799</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table>
|
||||
"""
|
||||
return mock_response
|
||||
else:
|
||||
mock_response = Mock()
|
||||
mock_response.raise_for_status.return_value = None
|
||||
mock_response.text = "<html></html>"
|
||||
return mock_response
|
||||
|
||||
mocker.patch("scrapers.atcoder.requests.get", side_effect=mock_get_side_effect)
|
||||
|
||||
result = scrape_contests()
|
||||
|
||||
assert len(result) == 2
|
||||
assert result[0] == ContestSummary(
|
||||
id="abc350",
|
||||
name="AtCoder Beginner Contest 350",
|
||||
display_name="AtCoder Beginner Contest 350",
|
||||
)
|
||||
assert result[1] == ContestSummary(
|
||||
id="arc170",
|
||||
name="AtCoder Regular Contest 170",
|
||||
display_name="AtCoder Regular Contest 170",
|
||||
)
|
||||
|
||||
# Ensure ahc044 is filtered out
|
||||
contest_ids = [contest.id for contest in result]
|
||||
assert "ahc044" not in contest_ids
|
||||
|
|
@ -1,97 +0,0 @@
|
|||
from unittest.mock import Mock
|
||||
|
||||
from scrapers.codeforces import CodeforcesScraper
|
||||
from scrapers.models import ContestSummary, ProblemSummary
|
||||
|
||||
|
||||
def test_scrape_success(mocker, mock_codeforces_html):
|
||||
mock_page = Mock()
|
||||
mock_page.html_content = mock_codeforces_html
|
||||
mocker.patch("scrapers.codeforces.StealthyFetcher.fetch", return_value=mock_page)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
result = scraper.scrape_problem_tests("1900", "A")
|
||||
|
||||
assert result.success
|
||||
assert len(result.tests) == 1
|
||||
assert result.tests[0].input == "1\n3\n1 2 3"
|
||||
assert result.tests[0].expected == "6"
|
||||
|
||||
|
||||
def test_scrape_contest_problems(mocker):
|
||||
html = """
|
||||
<a href="/contest/1900/problem/A">A. Problem A</a>
|
||||
<a href="/contest/1900/problem/B">B. Problem B</a>
|
||||
"""
|
||||
mock_page = Mock()
|
||||
mock_page.html_content = html
|
||||
mocker.patch("scrapers.codeforces.StealthyFetcher.fetch", return_value=mock_page)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
result = scraper.scrape_contest_metadata("1900")
|
||||
|
||||
assert result.success
|
||||
assert len(result.problems) == 2
|
||||
assert result.problems[0] == ProblemSummary(id="a", name="A. Problem A")
|
||||
assert result.problems[1] == ProblemSummary(id="b", name="B. Problem B")
|
||||
|
||||
|
||||
def test_scrape_network_error(mocker):
|
||||
mocker.patch(
|
||||
"scrapers.codeforces.StealthyFetcher.fetch",
|
||||
side_effect=Exception("Network error"),
|
||||
)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
result = scraper.scrape_problem_tests("1900", "A")
|
||||
|
||||
assert not result.success
|
||||
assert "network error" in result.error.lower()
|
||||
|
||||
|
||||
def test_scrape_contests_success(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.json.return_value = {
|
||||
"status": "OK",
|
||||
"result": [
|
||||
{"id": 1951, "name": "Educational Codeforces Round 168 (Rated for Div. 2)"},
|
||||
{"id": 1950, "name": "Codeforces Round 936 (Div. 2)"},
|
||||
{"id": 1949, "name": "Codeforces Global Round 26"},
|
||||
],
|
||||
}
|
||||
mocker.patch("scrapers.codeforces.requests.get", return_value=mock_response)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
result = scraper.scrape_contest_list()
|
||||
|
||||
assert result.success
|
||||
assert len(result.contests) == 3
|
||||
assert result.contests[0] == ContestSummary(
|
||||
id="1951",
|
||||
name="Educational Codeforces Round 168 (Rated for Div. 2)",
|
||||
display_name="Educational Codeforces Round 168 (Rated for Div. 2)",
|
||||
)
|
||||
|
||||
|
||||
def test_scrape_contests_api_error(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.json.return_value = {"status": "FAILED", "result": []}
|
||||
mocker.patch("scrapers.codeforces.requests.get", return_value=mock_response)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
result = scraper.scrape_contest_list()
|
||||
|
||||
assert not result.success
|
||||
assert "no contests found" in result.error.lower()
|
||||
|
||||
|
||||
def test_scrape_contests_network_error(mocker):
|
||||
mocker.patch(
|
||||
"scrapers.codeforces.requests.get", side_effect=Exception("Network error")
|
||||
)
|
||||
|
||||
scraper = CodeforcesScraper()
|
||||
result = scraper.scrape_contest_list()
|
||||
|
||||
assert not result.success
|
||||
assert "network error" in result.error.lower()
|
||||
|
|
@ -1,185 +0,0 @@
|
|||
from unittest.mock import Mock
|
||||
|
||||
from scrapers.cses import (
|
||||
normalize_category_name,
|
||||
scrape,
|
||||
scrape_all_problems,
|
||||
scrape_categories,
|
||||
scrape_category_problems,
|
||||
snake_to_title,
|
||||
)
|
||||
from scrapers.models import ContestSummary, ProblemSummary
|
||||
|
||||
|
||||
def test_scrape_success(mocker, mock_cses_html):
|
||||
mock_response = Mock()
|
||||
mock_response.text = mock_cses_html
|
||||
|
||||
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape("https://cses.fi/problemset/task/1068")
|
||||
|
||||
assert len(result) == 1
|
||||
assert result[0].input == "3\n1 2 3"
|
||||
assert result[0].expected == "6"
|
||||
|
||||
|
||||
def test_scrape_all_problems(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.text = """
|
||||
<div class="content">
|
||||
<h1>Introductory Problems</h1>
|
||||
<ul>
|
||||
<li><a href="/problemset/task/1068">Weird Algorithm</a></li>
|
||||
<li><a href="/problemset/task/1083">Missing Number</a></li>
|
||||
</ul>
|
||||
<h1>Sorting and Searching</h1>
|
||||
<ul>
|
||||
<li><a href="/problemset/task/1084">Apartments</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
"""
|
||||
mock_response.raise_for_status = Mock()
|
||||
|
||||
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape_all_problems()
|
||||
|
||||
assert "Introductory Problems" in result
|
||||
assert "Sorting and Searching" in result
|
||||
assert len(result["Introductory Problems"]) == 2
|
||||
assert result["Introductory Problems"][0] == ProblemSummary(
|
||||
id="1068",
|
||||
name="Weird Algorithm",
|
||||
)
|
||||
|
||||
|
||||
def test_scrape_network_error(mocker):
|
||||
mocker.patch("scrapers.cses.requests.get", side_effect=Exception("Network error"))
|
||||
|
||||
result = scrape("https://cses.fi/problemset/task/1068")
|
||||
|
||||
assert result == []
|
||||
|
||||
|
||||
def test_normalize_category_name():
|
||||
assert normalize_category_name("Sorting and Searching") == "sorting_and_searching"
|
||||
assert normalize_category_name("Dynamic Programming") == "dynamic_programming"
|
||||
assert normalize_category_name("Graph Algorithms") == "graph_algorithms"
|
||||
|
||||
|
||||
def test_snake_to_title():
|
||||
assert snake_to_title("sorting_and_searching") == "Sorting and Searching"
|
||||
assert snake_to_title("dynamic_programming") == "Dynamic Programming"
|
||||
assert snake_to_title("graph_algorithms") == "Graph Algorithms"
|
||||
|
||||
|
||||
def test_scrape_category_problems_success(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.text = """
|
||||
<div class="content">
|
||||
<h1>General</h1>
|
||||
<ul>
|
||||
<li><a href="/problemset/task/1000">Test Problem</a></li>
|
||||
</ul>
|
||||
<h1>Sorting and Searching</h1>
|
||||
<ul>
|
||||
<li><a href="/problemset/task/1640">Sum of Two Values</a></li>
|
||||
<li><a href="/problemset/task/1643">Maximum Subarray Sum</a></li>
|
||||
</ul>
|
||||
<h1>Dynamic Programming</h1>
|
||||
<ul>
|
||||
<li><a href="/problemset/task/1633">Dice Combinations</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
"""
|
||||
mock_response.raise_for_status = Mock()
|
||||
|
||||
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape_category_problems("sorting_and_searching")
|
||||
|
||||
assert len(result) == 2
|
||||
assert result[0].id == "1640"
|
||||
assert result[0].name == "Sum of Two Values"
|
||||
assert result[1].id == "1643"
|
||||
assert result[1].name == "Maximum Subarray Sum"
|
||||
|
||||
|
||||
def test_scrape_category_problems_not_found(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.text = """
|
||||
<div class="content">
|
||||
<h1>Some Other Category</h1>
|
||||
<ul>
|
||||
<li><a href="/problemset/task/1000">Test Problem</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
"""
|
||||
mock_response.raise_for_status = Mock()
|
||||
|
||||
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape_category_problems("nonexistent_category")
|
||||
|
||||
assert result == []
|
||||
|
||||
|
||||
def test_scrape_category_problems_network_error(mocker):
|
||||
mocker.patch("scrapers.cses.requests.get", side_effect=Exception("Network error"))
|
||||
|
||||
result = scrape_category_problems("sorting_and_searching")
|
||||
|
||||
assert result == []
|
||||
|
||||
|
||||
def test_scrape_categories_success(mocker):
|
||||
mock_response = Mock()
|
||||
mock_response.text = """
|
||||
<html>
|
||||
<body>
|
||||
<h2>General</h2>
|
||||
<ul class="task-list">
|
||||
<li class="link"><a href="/register">Register</a></li>
|
||||
</ul>
|
||||
|
||||
<h2>Introductory Problems</h2>
|
||||
<ul class="task-list">
|
||||
<li class="task"><a href="/problemset/task/1068">Weird Algorithm</a></li>
|
||||
<li class="task"><a href="/problemset/task/1083">Missing Number</a></li>
|
||||
</ul>
|
||||
|
||||
<h2>Sorting and Searching</h2>
|
||||
<ul class="task-list">
|
||||
<li class="task"><a href="/problemset/task/1621">Distinct Numbers</a></li>
|
||||
<li class="task"><a href="/problemset/task/1084">Apartments</a></li>
|
||||
<li class="task"><a href="/problemset/task/1090">Ferris Wheel</a></li>
|
||||
</ul>
|
||||
</body>
|
||||
</html>
|
||||
"""
|
||||
mock_response.raise_for_status = Mock()
|
||||
|
||||
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
|
||||
|
||||
result = scrape_categories()
|
||||
|
||||
assert len(result) == 2
|
||||
assert result[0] == ContestSummary(
|
||||
id="introductory_problems",
|
||||
name="Introductory Problems",
|
||||
display_name="Introductory Problems",
|
||||
)
|
||||
assert result[1] == ContestSummary(
|
||||
id="sorting_and_searching",
|
||||
name="Sorting and Searching",
|
||||
display_name="Sorting and Searching",
|
||||
)
|
||||
|
||||
|
||||
def test_scrape_categories_network_error(mocker):
|
||||
mocker.patch("scrapers.cses.requests.get", side_effect=Exception("Network error"))
|
||||
|
||||
result = scrape_categories()
|
||||
|
||||
assert result == []
|
||||
62
uv.lock
generated
62
uv.lock
generated
|
|
@ -92,6 +92,20 @@ wheels = [
|
|||
{ url = "https://files.pythonhosted.org/packages/fb/76/641ae371508676492379f16e2fa48f4e2c11741bd63c48be4b12a6b09cba/aiosignal-1.4.0-py3-none-any.whl", hash = "sha256:053243f8b92b990551949e63930a839ff0cf0b0ebbe0597b0f3fb19e1a0fe82e", size = 7490, upload-time = "2025-07-03T22:54:42.156Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anyio"
|
||||
version = "4.11.0"
|
||||
source = { registry = "https://pypi.org/simple" }
|
||||
dependencies = [
|
||||
{ name = "idna" },
|
||||
{ name = "sniffio" },
|
||||
{ name = "typing-extensions", marker = "python_full_version < '3.13'" },
|
||||
]
|
||||
sdist = { url = "https://files.pythonhosted.org/packages/c6/78/7d432127c41b50bccba979505f272c16cbcadcc33645d5fa3a738110ae75/anyio-4.11.0.tar.gz", hash = "sha256:82a8d0b81e318cc5ce71a5f1f8b5c4e63619620b63141ef8c995fa0db95a57c4", size = 219094, upload-time = "2025-09-23T09:19:12.58Z" }
|
||||
wheels = [
|
||||
{ url = "https://files.pythonhosted.org/packages/15/b3/9b1a8074496371342ec1e796a96f99c82c945a339cd81a8e73de28b4cf9e/anyio-4.11.0-py3-none-any.whl", hash = "sha256:0287e96f4d26d4149305414d4e3bc32f0dcd0862365a4bddea19d7a1ec38c4fc", size = 109097, upload-time = "2025-09-23T09:19:10.601Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "attrs"
|
||||
version = "25.3.0"
|
||||
|
|
@ -622,6 +636,43 @@ wheels = [
|
|||
{ url = "https://files.pythonhosted.org/packages/e3/a5/6ddab2b4c112be95601c13428db1d8b6608a8b6039816f2ba09c346c08fc/greenlet-3.2.4-cp314-cp314-win_amd64.whl", hash = "sha256:e37ab26028f12dbb0ff65f29a8d3d44a765c61e729647bf2ddfbbed621726f01", size = 303425, upload-time = "2025-08-07T13:32:27.59Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "h11"
|
||||
version = "0.16.0"
|
||||
source = { registry = "https://pypi.org/simple" }
|
||||
sdist = { url = "https://files.pythonhosted.org/packages/01/ee/02a2c011bdab74c6fb3c75474d40b3052059d95df7e73351460c8588d963/h11-0.16.0.tar.gz", hash = "sha256:4e35b956cf45792e4caa5885e69fba00bdbc6ffafbfa020300e549b208ee5ff1", size = 101250, upload-time = "2025-04-24T03:35:25.427Z" }
|
||||
wheels = [
|
||||
{ url = "https://files.pythonhosted.org/packages/04/4b/29cac41a4d98d144bf5f6d33995617b185d14b22401f75ca86f384e87ff1/h11-0.16.0-py3-none-any.whl", hash = "sha256:63cf8bbe7522de3bf65932fda1d9c2772064ffb3dae62d55932da54b31cb6c86", size = 37515, upload-time = "2025-04-24T03:35:24.344Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "httpcore"
|
||||
version = "1.0.9"
|
||||
source = { registry = "https://pypi.org/simple" }
|
||||
dependencies = [
|
||||
{ name = "certifi" },
|
||||
{ name = "h11" },
|
||||
]
|
||||
sdist = { url = "https://files.pythonhosted.org/packages/06/94/82699a10bca87a5556c9c59b5963f2d039dbd239f25bc2a63907a05a14cb/httpcore-1.0.9.tar.gz", hash = "sha256:6e34463af53fd2ab5d807f399a9b45ea31c3dfa2276f15a2c3f00afff6e176e8", size = 85484, upload-time = "2025-04-24T22:06:22.219Z" }
|
||||
wheels = [
|
||||
{ url = "https://files.pythonhosted.org/packages/7e/f5/f66802a942d491edb555dd61e3a9961140fd64c90bce1eafd741609d334d/httpcore-1.0.9-py3-none-any.whl", hash = "sha256:2d400746a40668fc9dec9810239072b40b4484b640a8c38fd654a024c7a1bf55", size = 78784, upload-time = "2025-04-24T22:06:20.566Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "httpx"
|
||||
version = "0.28.1"
|
||||
source = { registry = "https://pypi.org/simple" }
|
||||
dependencies = [
|
||||
{ name = "anyio" },
|
||||
{ name = "certifi" },
|
||||
{ name = "httpcore" },
|
||||
{ name = "idna" },
|
||||
]
|
||||
sdist = { url = "https://files.pythonhosted.org/packages/b1/df/48c586a5fe32a0f01324ee087459e112ebb7224f646c0b5023f5e79e9956/httpx-0.28.1.tar.gz", hash = "sha256:75e98c5f16b0f35b567856f597f06ff2270a374470a5c2392242528e3e3e42fc", size = 141406, upload-time = "2024-12-06T15:37:23.222Z" }
|
||||
wheels = [
|
||||
{ url = "https://files.pythonhosted.org/packages/2a/39/e50c7c3a983047577ee07d2a9e53faf5a69493943ec3f6a384bdc792deb2/httpx-0.28.1-py3-none-any.whl", hash = "sha256:d909fcccc110f8c7faf814ca82a9a4d816bc5a6dbfea25d6591d6985b8ba59ad", size = 73517, upload-time = "2024-12-06T15:37:21.509Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hyperlink"
|
||||
version = "21.0.0"
|
||||
|
|
@ -1635,6 +1686,7 @@ dependencies = [
|
|||
{ name = "backoff" },
|
||||
{ name = "beautifulsoup4" },
|
||||
{ name = "curl-cffi" },
|
||||
{ name = "httpx" },
|
||||
{ name = "ndjson" },
|
||||
{ name = "playwright" },
|
||||
{ name = "requests" },
|
||||
|
|
@ -1658,6 +1710,7 @@ requires-dist = [
|
|||
{ name = "backoff", specifier = ">=2.2.1" },
|
||||
{ name = "beautifulsoup4", specifier = ">=4.13.5" },
|
||||
{ name = "curl-cffi", specifier = ">=0.13.0" },
|
||||
{ name = "httpx", specifier = ">=0.28.1" },
|
||||
{ name = "ndjson", specifier = ">=0.3.1" },
|
||||
{ name = "playwright", specifier = ">=1.55.0" },
|
||||
{ name = "requests", specifier = ">=2.32.5" },
|
||||
|
|
@ -1768,6 +1821,15 @@ wheels = [
|
|||
{ url = "https://files.pythonhosted.org/packages/a3/dc/17031897dae0efacfea57dfd3a82fdd2a2aeb58e0ff71b77b87e44edc772/setuptools-80.9.0-py3-none-any.whl", hash = "sha256:062d34222ad13e0cc312a4c02d73f059e86a4acbfbdea8f8f76b28c99f306922", size = 1201486, upload-time = "2025-05-27T00:56:49.664Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "sniffio"
|
||||
version = "1.3.1"
|
||||
source = { registry = "https://pypi.org/simple" }
|
||||
sdist = { url = "https://files.pythonhosted.org/packages/a2/87/a6771e1546d97e7e041b6ae58d80074f81b7d5121207425c964ddf5cfdbd/sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc", size = 20372, upload-time = "2024-02-25T23:20:04.057Z" }
|
||||
wheels = [
|
||||
{ url = "https://files.pythonhosted.org/packages/e9/44/75a9c9421471a6c4805dbf2356f7c181a29c1879239abab1ea2cc8f38b40/sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2", size = 10235, upload-time = "2024-02-25T23:20:01.196Z" },
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "soupsieve"
|
||||
version = "2.8"
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue