Get the most recent accepted submissions from leetcode.

leetcode_dl.py

"""
1) Fetch submisssions using
    https://github.com/world177/Leetcode-Downloader-for-Submissions
       
2) Use this script to move the *latest accepted* submission to ./out/<problem>

3) Replace "// " comments from the first line of all python files
    f in $(ls **/*.py); do sed -i.bak "1 s/\/\/ /# /" $f; done
"""

import shutil
from pathlib import Path
from datetime import datetime

datetime_fmt = r"%m-%d-%Y, %I:%M:%S %p"

out = Path("./out")
out.mkdir(parents=True, exist_ok=True)

for d in Path("leetcode").iterdir():
    if not (d / "Accepted").exists():
        print(f"No accepted solutions for {d.name}! Skipping...")
        continue

    latest = max(
        (d / "Accepted").iterdir(),
        key=lambda f: datetime.strptime(f.name, datetime_fmt),
    )

    sol = [f for f in latest.iterdir() if f.suffix != ".txt"]
    assert len(sol) == 1, sol

    src = sol[0]
    dst = (out / d.name.replace("-", "_")).with_suffix(src.suffix)

    shutil.copy(src, dst)