[run.py] support year parameter

run.py

@@ -0,0 +1,49 @@
+import sys
+import time
+import subprocess
+from pathlib import Path
+
+
+def main(year, day):
+    if day is not None:
+        path = Path(f"{year}/day{day}")
+        script_path = path / Path(f"day{day}.py")
+        input_path = path / Path("input.txt")
+        if not script_path.exists():
+            print(f"Invalid day {day}", file=sys.stderr)
+            exit(1)
+        if not input_path.exists():
+            print(f"Could not find input file {input_path}", file=sys.stderr)
+            exit(1)
+        run_day(script_path, input_path)
+    else:
+        for day in range(1, 26):
+            path = Path(f"{year}/day{day}")
+            script_path = path / Path(f"day{day}.py")
+            input_path = path / Path("input.txt")
+            if script_path.exists():
+                if not input_path.exists():
+                    print(f"Could not find input file {input_path}, skipped day {day}.",  file=sys.stderr)
+                    continue
+                run_day(script_path, input_path)
+
+
+def run_day(script_path, input_path):
+    try:
+        start = time.time()
+        res = subprocess.run([sys.executable, script_path.absolute(), input_path.absolute()], check=True, stdout=subprocess.PIPE, timeout=30)
+        elapsed = time.time() - start
+        #print(res.stdout)
+        print(f"ran {script_path} in {elapsed:.3f}s")
+    except subprocess.TimeoutExpired:
+        print(f"timeout {script_path} after 30s", file=sys.stderr)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) <= 1:
+        print(f"Usage: {__file__} <year> [<day>]", file=sys.stderr)
+        exit(1)
+    year = sys.argv[1] 
+    day = sys.argv[2] if len(sys.argv) > 2 else None
+    main(year, day)
+