Add data for Bulgaria MO

Bulgaria_MO/download_script/download.py

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+# -----------------------------------------------------------------------------
+# Author: Jiawei Liu
+# Date: 2024-12-18
+# -----------------------------------------------------------------------------
+'''
+Download script for IberoAmerican MO
+To run: 
+`python IberoAmerican_MO/download_script/download.py`
+'''
+
+import requests
+from tqdm import tqdm
+from pathlib import Path
+from requests.adapters import HTTPAdapter
+from urllib3.util.retry import Retry
+
+
+def build_session(
+    max_retries: int = 3,
+    backoff_factor: int = 2,
+    session: requests.Session = None
+) -> requests.Session:
+    """
+    Build a requests session with retries
+
+    Args:
+        max_retries (int, optional): Number of retries. Defaults to 3.
+        backoff_factor (int, optional): Backoff factor. Defaults to 2.
+        session (requests.Session, optional): Session object. Defaults to None.
+    """
+    session = session or requests.Session()
+    adapter = HTTPAdapter(max_retries=Retry(total=max_retries, backoff_factor=backoff_factor))
+    session.mount("http://", adapter)
+    session.mount("https://", adapter)
+    session.headers.update({
+        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3"
+    })
+
+    return session
+
+
+def main():
+    output_dir = Path(__file__).parent.parent / "raw"
+    output_dir.mkdir(parents=True, exist_ok=True)
+
+    urls = {
+        "en-1995-2000-BulgarianMO": "https://angelkiller411.wordpress.com/wp-content/uploads/2013/07/bulgarian-mathematical-olympiads-third-and-fourth-rounds-from-1995-to-2000-more-than-300-problems-with-solutions-260p.pdf",
+    }
+
+    for title, url in tqdm(urls.items(), desc="Downloading "):
+        response = requests.get(url, headers={"User-Agent": "Mozilla/5.0"})
+        output_path = output_dir / f"{title}.pdf"
+        output_path.write_bytes(response.content)
+
+
+if __name__ == "__main__":
+    main()

Bulgaria_MO/raw/en-1995-2000-BulgarianMO.pdf

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+version https://git-lfs.github.com/spec/v1
+oid sha256:41195428ee1a68f6ed6d12ff5b4925dd0da52edc136c970e1cffa2f81a00e1e8
+size 2571934

Bulgaria_MO/raw/en-BMC_2003-2006.pdf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8366d0d6946a8b942c2fb051d8c727426b5e6eab5b2fb45ad20350e1e6aae7fc
+size 9564059