Remove more unicocde

Signed-off-by: James Sturtevant <jsturtevant@gmail.com>

Author: jsturtevant

src/sdk/python/core/examples/benchmark.py

@@ -16,7 +16,7 @@
 COLD_ROUNDS = 5  # tests that create a new sandbox each time
 WARM_ROUNDS = 10  # tests that reuse an existing sandbox
 
-# ── Helpers ──────────────────────────────────────────────────────────
+# -- Helpers ----------------------------------------------------------
 
 
 def measure_n(fn, n):
@@ -32,7 +32,7 @@ def measure_n(fn, n):
 
 
 def fmt(stats):
-    """Format stats as 'avg ms  (min=…, max=…)'."""
+    """Format stats as 'avg ms  (min=..., max=...)'."""
     return f"{stats['avg']:>7.1f} ms  (min={stats['min']:.1f}, max={stats['max']:.1f})"
 
 
@@ -45,9 +45,9 @@ def run_suite(name, backend, module=None, lang="python"):
     """Run all benchmarks for one backend configuration."""
     from hyperlight_sandbox import Sandbox
 
-    print(f"\n{'═' * 70}")
+    print(f"\n{'=' * 70}")
     print(f"  {name}  ({COLD_ROUNDS} cold / {WARM_ROUNDS} warm rounds)")
-    print(f"{'═' * 70}")
+    print(f"{'=' * 70}")
 
     hello = 'print("hello")' if lang == "python" else 'console.log("hello")'
     tool_code = (
@@ -67,7 +67,7 @@ def run_suite(name, backend, module=None, lang="python"):
 
     results = {}
 
-    # ── 1. Cold start: create + first run ────────────────────────
+    # -- 1. Cold start: create + first run ------------------------
     def cold_start():
         s = Sandbox(**kwargs)
         r = s.run(hello)
@@ -78,12 +78,12 @@ def cold_start():
     results["Cold start (create + first run)"] = stats
     print(f"  Cold start (create + first run): {fmt(stats)}")
 
-    # ── 2. Warm run (no restore) ───────────────────────────────
+    # -- 2. Warm run (no restore) -------------------------------
     _, stats = measure_n(lambda: sandbox.run(hello), WARM_ROUNDS)
     results["Warm run (no restore)"] = stats
     print(f"  Warm run (no restore):           {fmt(stats)}")
 
-    # ── 3. Cold start + tool dispatch ────────────────────────────
+    # -- 3. Cold start + tool dispatch ----------------------------
     def with_tools():
         s = Sandbox(**kwargs)
         s.register_tool("add", lambda a=0, b=0: a + b)
@@ -95,15 +95,15 @@ def with_tools():
     results["Cold start + tool dispatch"] = stats
     print(f"  Cold start + tool dispatch:      {fmt(stats)}")
 
-    # ── 4. Warm tool dispatch (no restore) ────────────────────────
+    # -- 4. Warm tool dispatch (no restore) ------------------------
     warm_tool_sandbox = Sandbox(**kwargs)
     warm_tool_sandbox.register_tool("add", lambda a=0, b=0: a + b)
     warm_tool_sandbox.run(hello)  # warm up
     _, stats = measure_n(lambda: warm_tool_sandbox.run(tool_code), WARM_ROUNDS)
     results["Warm tool dispatch (no restore)"] = stats
     print(f"  Warm tool dispatch (no restore): {fmt(stats)}")
 
-    # ── 5. File I/O ──────────────────────────────────────────────
+    # -- 5. File I/O ----------------------------------------------
     if file_code:
 
         def with_files():
@@ -127,7 +127,7 @@ def with_files():
         results["Warm file I/O (no restore)"] = None
         print("  File I/O:                        n/a (not supported)")
 
-    # ── 6. Snapshot (create sandbox, run, then time just the snapshot) ──
+    # -- 6. Snapshot (create sandbox, run, then time just the snapshot) --
     def one_snapshot():
         s = Sandbox(**kwargs)
         s.register_tool("add", lambda a=0, b=0: a + b)
@@ -145,7 +145,7 @@ def one_snapshot():
     results["Snapshot"] = stats
     print(f"  Snapshot:                        {fmt(stats)}")
 
-    # ── 7. Restore (create sandbox, snapshot, then time just the restore) ──
+    # -- 7. Restore (create sandbox, snapshot, then time just the restore) --
     def one_restore():
         s = Sandbox(**kwargs)
         s.register_tool("add", lambda a=0, b=0: a + b)
@@ -164,7 +164,7 @@ def one_restore():
     results["Restore"] = stats
     print(f"  Restore:                         {fmt(stats)}")
 
-    # ── 8. Restore + run ─────────────────────────────────────────
+    # -- 8. Restore + run -----------------------------------------
     snap_sandbox = Sandbox(**kwargs)
     snap_sandbox.register_tool("add", lambda a=0, b=0: a + b)
     snap_sandbox.run(hello)
@@ -179,7 +179,7 @@ def restore_and_run():
     results["Restore + run"] = stats
     print(f"  Restore + run:                   {fmt(stats)}")
 
-    # ── 9. Restore + tool dispatch ───────────────────────────────
+    # -- 9. Restore + tool dispatch -------------------------------
     def restore_and_tool():
         snap_sandbox.restore(snap)
         return snap_sandbox.run(tool_code)
@@ -191,7 +191,7 @@ def restore_and_tool():
     return results
 
 
-# ── Main ─────────────────────────────────────────────────────────────
+# -- Main -------------------------------------------------------------
 
 
 def main():
@@ -218,28 +218,28 @@ def main():
     except Exception as e:
         print(f"  [warn]  Skipped: {e}")
 
-    # ── Summary table (averages) ─────────────────────────────────
+    # -- Summary table (averages) ---------------------------------
     if all_results:
-        print(f"\n{'═' * 90}")
+        print(f"\n{'=' * 90}")
         print("  Summary (avg ms)")
-        print(f"{'═' * 90}")
+        print(f"{'=' * 90}")
 
         backends = list(all_results.keys())
         steps = list(next(iter(all_results.values())).keys())
 
         header = f"{'Step':<35}" + "".join(f"{b:>18}" for b in backends)
         print(header)
-        print("─" * len(header))
+        print("-" * len(header))
         for step in steps:
             row = f"{step:<35}"
             for b in backends:
                 s = all_results[b].get(step)
                 row += f"{fmt_short(s) if s else 'n/a':>18}"
             print(row)
 
-    print(f"\n{'═' * 90}")
+    print(f"\n{'=' * 90}")
     print(f"  Done!  ({COLD_ROUNDS} cold / {WARM_ROUNDS} warm rounds per test)")
-    print(f"{'═' * 90}")
+    print(f"{'=' * 90}")
 
 
 if __name__ == "__main__":

src/sdk/python/core/examples/javascript_basics.py

@@ -1,4 +1,4 @@
-"""Hyperlight Sandbox — JavaScript basics example (HyperlightJS backend).
+"""Hyperlight Sandbox -- JavaScript basics example (HyperlightJS backend).
 
 Exercises: basic execution, tool dispatch, snapshot/restore, complex
 computation, and nested tool calls.

src/sdk/python/core/examples/javascript_filesystem_demo.py

@@ -7,10 +7,10 @@
 
 
 def separator(label: str) -> None:
-    print(f"\n── {label} ──")
+    print(f"\n-- {label} --")
 
 
-# ── Test 1: No filesystem ────────────────────────────────────────────
+# -- Test 1: No filesystem --------------------------------------------
 separator("Test 1: No filesystem")
 sandbox = Sandbox(backend="hyperlight-js")
 result = sandbox.run("console.log('no filesystem needed');")
@@ -20,7 +20,7 @@ def separator(label: str) -> None:
 assert len(outputs) == 0
 print("OK: runs without filesystem")
 
-# ── Test 2: Input only ───────────────────────────────────────────────
+# -- Test 2: Input only -----------------------------------------------
 separator("Test 2: Input only")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 with open(os.path.join(input_dir, "greeting.txt"), "w") as f:
@@ -32,7 +32,7 @@ def separator(label: str) -> None:
 assert "hello from host" in result.stdout
 print("OK: guest reads input")
 
-# ── Test 3: Temp output only ─────────────────────────────────────────
+# -- Test 3: Temp output only -----------------------------------------
 separator("Test 3: Temp output only")
 sandbox = Sandbox(backend="hyperlight-js", temp_output=True)
 result = sandbox.run("write_file('/output/result.txt', 'js output'); console.log('wrote');")
@@ -44,7 +44,7 @@ def separator(label: str) -> None:
     assert f.read() == b"js output"
 print("OK: guest writes to temp output")
 
-# ── Test 4: Input + temp output ──────────────────────────────────────
+# -- Test 4: Input + temp output --------------------------------------
 separator("Test 4: Input + temp output")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 with open(os.path.join(input_dir, "data.json"), "w") as f:
@@ -65,7 +65,7 @@ def separator(label: str) -> None:
     assert f.read() == b"42"
 print("OK: reads input, writes output")
 
-# ── Test 5: Explicit output dir ──────────────────────────────────────
+# -- Test 5: Explicit output dir --------------------------------------
 separator("Test 5: Explicit output dir")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 output_dir = tempfile.mkdtemp(prefix="sandbox-output-")
@@ -83,7 +83,7 @@ def separator(label: str) -> None:
     assert f.read() == "SHOUT"
 print("OK: output visible on host filesystem")
 
-# ── Test 6: Output wiped between runs ────────────────────────────────
+# -- Test 6: Output wiped between runs --------------------------------
 separator("Test 6: Output is ephemeral")
 sandbox = Sandbox(backend="hyperlight-js", temp_output=True)
 result = sandbox.run("write_file('/output/run1.txt', 'first');")
@@ -96,7 +96,7 @@ def separator(label: str) -> None:
 assert "run2.txt" in outputs
 print("OK: output wiped between runs")
 
-# ── Test 7: Input is read-only ───────────────────────────────────────
+# -- Test 7: Input is read-only ---------------------------------------
 separator("Test 7: Input is read-only")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 with open(os.path.join(input_dir, "readonly.txt"), "w") as f:

src/sdk/python/core/examples/javascript_network_demo.py

@@ -1,4 +1,4 @@
-"""Hyperlight Sandbox — JavaScript network access demo (HyperlightJS backend).
+"""Hyperlight Sandbox -- JavaScript network access demo (HyperlightJS backend).
 
 Tests network deny-by-default and allow-listed domain access.
 """
@@ -15,31 +15,31 @@
 
 sandbox.allow_domain("https://httpbin.org", methods=["GET"])
 
-# ═══════════════════════════════════════════════════════════════════
-# Test 1: Network access — blocked by default
-# ═══════════════════════════════════════════════════════════════════
-print("═" * 60)
+# ===================================================================
+# Test 1: Network access -- blocked by default
+# ===================================================================
+print("=" * 60)
 print("Test 1: Network access denied without permissions")
-print("═" * 60)
+print("=" * 60)
 result = sandbox.run("""
 const resp = await fetch('https://notallowed.example');
 if (resp.status === 403) {
     console.log('Network blocked: status ' + resp.status);
-    console.log('  (notallowed.example is not in the allowlist — correct!)');
+    console.log('  (notallowed.example is not in the allowlist -- correct!)');
 } else {
     console.log('Got response: ' + resp.status);
 }
 """)
 print(result.stdout)
 assert "Network blocked" in result.stdout, "test 1: expected network access to be blocked"
 
-# ═══════════════════════════════════════════════════════════════════
-# Test 2: Network access — allowed domain
-# ═══════════════════════════════════════════════════════════════════
+# ===================================================================
+# Test 2: Network access -- allowed domain
+# ===================================================================
 print()
-print("═" * 60)
+print("=" * 60)
 print("Test 2: Network access to allowed domain")
-print("═" * 60)
+print("=" * 60)
 result = sandbox.run("""
 const resp = await fetch('https://httpbin.org/get');
 const body = await resp.text();
@@ -50,13 +50,13 @@
 print(result.stdout)
 assert result.success, f"test 2: network access to allowed domain failed\nstderr: {result.stderr[:300]}"
 
-# ═══════════════════════════════════════════════════════════════════
-# Test 3: Method filtering — GET allowed, POST blocked
-# ═══════════════════════════════════════════════════════════════════
+# ===================================================================
+# Test 3: Method filtering -- GET allowed, POST blocked
+# ===================================================================
 print()
-print("═" * 60)
-print("Test 3: Method filtering — GET allowed, POST blocked")
-print("═" * 60)
+print("=" * 60)
+print("Test 3: Method filtering -- GET allowed, POST blocked")
+print("=" * 60)
 result = sandbox.run("""
 const getResp = await fetch('https://httpbin.org/get');
 if (getResp.status === 200) {
@@ -69,14 +69,14 @@
 const postResp = await fetch('https://httpbin.org/post', { method: 'POST' });
 if (postResp.status === 403) {
     console.log('POST blocked: status ' + postResp.status);
-    console.log('  (httpbin.org only allows GET — correct!)');
+    console.log('  (httpbin.org only allows GET -- correct!)');
 } else {
     console.log('POST allowed: status ' + postResp.status);
 }
 """)
 print(result.stdout)
 assert "POST blocked" in result.stdout, "test 3: expected POST to be blocked"
 
-print("═" * 60)
+print("=" * 60)
 print("[ok] All tests passed!")
-print("═" * 60)
+print("=" * 60)

src/sdk/python/core/examples/jswasm_basics.py

@@ -1,4 +1,4 @@
-"""Hyperlight Sandbox — JS Wasm component basics example (Python SDK).
+"""Hyperlight Sandbox -- JS Wasm component basics example (Python SDK).
 
 Exercises: basic execution, tool dispatch, snapshot/restore, complex
 computation, and nested tool calls.

src/sdk/python/core/examples/jswasm_filesystem_demo.py

@@ -7,10 +7,10 @@
 
 
 def separator(label: str) -> None:
-    print(f"\n── {label} ──")
+    print(f"\n-- {label} --")
 
 
-# ── Test 1: No filesystem ────────────────────────────────────────────
+# -- Test 1: No filesystem --------------------------------------------
 separator("Test 1: No filesystem")
 sandbox = Sandbox(backend="wasm", module="javascript_guest.path")
 result = sandbox.run("console.log('no filesystem needed');")
@@ -20,7 +20,7 @@ def separator(label: str) -> None:
 assert len(outputs) == 0
 print("OK: runs without filesystem")
 
-# ── Test 2: Input only ───────────────────────────────────────────────
+# -- Test 2: Input only -----------------------------------------------
 separator("Test 2: Input only")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 with open(os.path.join(input_dir, "greeting.txt"), "w") as f:
@@ -32,7 +32,7 @@ def separator(label: str) -> None:
 assert "hello from host" in result.stdout
 print("OK: guest reads input")
 
-# ── Test 3: Temp output only ─────────────────────────────────────────
+# -- Test 3: Temp output only -----------------------------------------
 separator("Test 3: Temp output only")
 sandbox = Sandbox(backend="wasm", module="javascript_guest.path", temp_output=True)
 result = sandbox.run("write_file('/output/result.txt', 'js output'); console.log('wrote');")
@@ -44,7 +44,7 @@ def separator(label: str) -> None:
     assert f.read() == b"js output"
 print("OK: guest writes to temp output")
 
-# ── Test 4: Input + temp output ──────────────────────────────────────
+# -- Test 4: Input + temp output --------------------------------------
 separator("Test 4: Input + temp output")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 with open(os.path.join(input_dir, "data.json"), "w") as f:
@@ -65,7 +65,7 @@ def separator(label: str) -> None:
     assert f.read() == b"42"
 print("OK: reads input, writes output")
 
-# ── Test 5: Explicit output dir ──────────────────────────────────────
+# -- Test 5: Explicit output dir --------------------------------------
 separator("Test 5: Explicit output dir")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 output_dir = tempfile.mkdtemp(prefix="sandbox-output-")
@@ -83,7 +83,7 @@ def separator(label: str) -> None:
     assert f.read() == "SHOUT"
 print("OK: output visible on host filesystem")
 
-# ── Test 6: Output wiped between runs ────────────────────────────────
+# -- Test 6: Output wiped between runs --------------------------------
 separator("Test 6: Output is ephemeral")
 sandbox = Sandbox(backend="wasm", module="javascript_guest.path", temp_output=True)
 result = sandbox.run("write_file('/output/run1.txt', 'first');")
@@ -96,7 +96,7 @@ def separator(label: str) -> None:
 assert "run2.txt" in outputs
 print("OK: output wiped between runs")
 
-# ── Test 7: Input is read-only ───────────────────────────────────────
+# -- Test 7: Input is read-only ---------------------------------------
 separator("Test 7: Input is read-only")
 input_dir = tempfile.mkdtemp(prefix="sandbox-input-")
 with open(os.path.join(input_dir, "readonly.txt"), "w") as f: