Update the scenarios to use vendored build dependencies (#1605)

Uses `--find-links` to discover vendored scenario build dependencies and
allows us to use `--index-url` instead of `--extra-index-url` to avoid
hitting the real PyPI in scenario tests.

scripts/scenarios/templates/compile.mustache

@@ -26,14 +26,23 @@ fn command(context: &TestContext, python_versions: &[&str]) -> Command {
         .arg("pip")
         .arg("compile")
         .arg("requirements.in")
-        .arg("--extra-index-url")
+        .arg("--index-url")
         .arg("https://test.pypi.org/simple")
+        .arg("--find-links")
+        .arg("{{vendor_links}}")
         .arg("--cache-dir")
         .arg(context.cache_dir.path())
         .env("VIRTUAL_ENV", context.venv.as_os_str())
         .env("UV_NO_WRAP", "1")
         .env("UV_TEST_PYTHON_PATH", bin)
         .current_dir(&context.temp_dir);
+
+    if cfg!(all(windows, debug_assertions)) {
+        // TODO(konstin): Reduce stack usage in debug mode enough that the tests pass with the
+        // default windows stack of 1MB
+        command.env("UV_STACK_SIZE", (8 * 1024 * 1024).to_string());
+    }
+
     command
 }
 

scripts/scenarios/templates/install.mustache

@@ -46,13 +46,22 @@ fn command(context: &TestContext) -> Command {
     command
         .arg("pip")
         .arg("install")
-        .arg("--extra-index-url")
+        .arg("--index-url")
         .arg("https://test.pypi.org/simple")
+        .arg("--find-links")
+        .arg("{{vendor_links}}")
         .arg("--cache-dir")
         .arg(context.cache_dir.path())
         .env("VIRTUAL_ENV", context.venv.as_os_str())
         .env("UV_NO_WRAP", "1")
         .current_dir(&context.temp_dir);
+
+    if cfg!(all(windows, debug_assertions)) {
+        // TODO(konstin): Reduce stack usage in debug mode enough that the tests pass with the
+        // default windows stack of 1MB
+        command.env("UV_STACK_SIZE", (8 * 1024 * 1024).to_string());
+    }
+
     command
 }
 

scripts/scenarios/update.py

@@ -45,7 +45,7 @@ import textwrap
 from pathlib import Path
 
 
-PACKSE_COMMIT = "64b4451b832cece378f6e773d326ea09efe8903d"
+PACKSE_COMMIT = "de0bab473eeaa4445db5a8febd732c655fad3d52"
 TOOL_ROOT = Path(__file__).parent
 TEMPLATES = TOOL_ROOT / "templates"
 INSTALL_TEMPLATE = TEMPLATES / "install.mustache"
@@ -205,6 +205,9 @@ for template, tests, scenarios in [
     # Add generated metadata
     data["generated_from"] = f"https://github.com/zanieb/packse/tree/{commit}/scenarios"
     data["generated_with"] = " ".join(sys.argv)
+    data[
+        "vendor_links"
+    ] = f"https://raw.githubusercontent.com/zanieb/packse/{commit}/vendor/links.html"
 
     # Render the template
     print(f"Rendering template {template.name}", file=sys.stderr)