feat: initial dice-wrapper structure and working prototype

diceplayer/dice/dice_wrapper.py

@@ -0,0 +1,41 @@
+import subprocess
+from typing import Final
+
+import diceplayer.dice.dice_input as dice_input
+
+from pathlib import Path
+
+from diceplayer.config import DiceConfig
+
+
+DICE_FLAG_LINE: Final[int] = -2
+DICE_END_FLAG: Final[str] = "End of simulation"
+
+
+class DiceWrapper:
+    def __init__(self, dice_config: DiceConfig, working_directory: Path):
+        self.dice_config = dice_config
+        self.working_directory = working_directory
+
+    def run(self, dice_config: dice_input.BaseConfig) -> None:
+        input_path = dice_config.write(self.working_directory)
+        output_path = input_path.parent / (input_path.name + ".out")
+
+        with open(output_path, "w") as outfile, open(input_path, "r") as infile:
+            exit_status = subprocess.call(
+                self.dice_config.progname, stdin=infile, stdout=outfile
+            )
+
+        if exit_status != 0:
+            raise RuntimeError(f"Dice simulation failed with exit status {exit_status}")
+
+        with open(output_path, "r") as outfile:
+            line = outfile.readlines()[DICE_FLAG_LINE]
+            if line.strip() == DICE_END_FLAG:
+                return
+
+        raise RuntimeError(f"Dice simulation failed with exit status {exit_status}")
+
+    def extract_results(self) -> dict:
+        return {}
+