PWP

src/__init__.py

@@ -0,0 +1,33 @@
+import sys
+import struct
+
+class PulseWire:
+    def __init__(self):
+        ...
+
+    def on_raw_engine_request(self, data: bytes):
+        ...
+
+    def send_raw(self, data: bytes):
+        sys.stdout.buffer.write(len(data).to_bytes(8, "little"))
+        sys.stdout.buffer.write(data)
+        sys.stdout.flush()
+
+    def start(self):
+        while True:
+            len_buf = sys.stdin.buffer.read(struct.calcsize("P"))
+
+            if len(len_buf) == 0:
+                return None
+
+            length = int.from_bytes(len_buf, "little")
+
+            if length == 0:
+                return None
+
+            buffer = sys.stdin.buffer.read(length)
+
+            if len(buffer) != length:
+                raise EOFError("Unexpected EOF while reading payload")
+
+            self.on_raw_engine_request(buffer)