From b1b8a37b2592ad4cd1accdd44a0d0913c9b00e3a Mon Sep 17 00:00:00 2001
From: hauntsaninja <hauntsaninja@gmail.com>
Date: Sun, 19 May 2024 15:20:14 -0400
Subject: [PATCH 1/2] Benchmark importing all standard library modules

Note this will change if we add or remove modules from the standard
library. We could alternatively hardcode a list of standard library
modules.
---
 pyperformance/data-files/benchmarks/MANIFEST  |  1 +
 .../bm_stdlib_startup/pyproject.toml          | 10 +++++++
 .../bm_stdlib_startup/requirements.txt        |  0
 .../bm_stdlib_startup/run_benchmark.py        | 29 +++++++++++++++++++
 4 files changed, 40 insertions(+)
 create mode 100644 pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
 create mode 100644 pyperformance/data-files/benchmarks/bm_stdlib_startup/requirements.txt
 create mode 100644 pyperformance/data-files/benchmarks/bm_stdlib_startup/run_benchmark.py

diff --git a/pyperformance/data-files/benchmarks/MANIFEST b/pyperformance/data-files/benchmarks/MANIFEST
index 3210b97f..19c9dc24 100644
--- a/pyperformance/data-files/benchmarks/MANIFEST
+++ b/pyperformance/data-files/benchmarks/MANIFEST
@@ -81,6 +81,7 @@ sqlglot_parse	<local:sqlglot>
 sqlglot_transpile	<local:sqlglot>
 sqlglot_optimize	<local:sqlglot>
 sqlite_synth	<local>
+stdlib_startup	<local>
 sympy	<local>
 telco	<local>
 tomli_loads	<local>
diff --git a/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml b/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
new file mode 100644
index 00000000..1ccbc3cf
--- /dev/null
+++ b/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
@@ -0,0 +1,10 @@
+[project]
+name = "pyperformance_stdlib_startup"
+requires-python = ">=3.8"
+dependencies = []
+urls = {repository = "https://github.com/python/pyperformance"}
+dynamic = ["version"]
+
+[tool.pyperformance]
+name = "stdlib_startup"
+tags = "startup"
diff --git a/pyperformance/data-files/benchmarks/bm_stdlib_startup/requirements.txt b/pyperformance/data-files/benchmarks/bm_stdlib_startup/requirements.txt
new file mode 100644
index 00000000..e69de29b
diff --git a/pyperformance/data-files/benchmarks/bm_stdlib_startup/run_benchmark.py b/pyperformance/data-files/benchmarks/bm_stdlib_startup/run_benchmark.py
new file mode 100644
index 00000000..21f7269f
--- /dev/null
+++ b/pyperformance/data-files/benchmarks/bm_stdlib_startup/run_benchmark.py
@@ -0,0 +1,29 @@
+import os
+import sys
+import subprocess
+import tempfile
+
+import pyperf
+
+if __name__ == "__main__":
+    runner = pyperf.Runner(values=10)
+
+    runner.metadata['description'] = "Performance of importing standard library modules"
+    args = runner.parse_args()
+
+    with tempfile.TemporaryDirectory() as tmp:
+        main = os.path.join(tmp, "main.py")
+        with open(main, "w") as f:
+            f.write("""
+import importlib
+import sys
+for m in sys.stdlib_module_names:
+    if m in {"antigravity", "this"}:
+        continue
+    try:
+        importlib.import_module(m)
+    except ImportError:
+        pass
+""")
+        command = [sys.executable, main]
+        runner.bench_command('stdlib_startup', command)

From 7ed61dc780fcda1a0a5a13e7e0d09299a1d28bf1 Mon Sep 17 00:00:00 2001
From: hauntsaninja <hauntsaninja@gmail.com>
Date: Mon, 20 May 2024 01:29:47 -0400
Subject: [PATCH 2/2] .

---
 .../data-files/benchmarks/bm_stdlib_startup/pyproject.toml      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml b/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
index 1ccbc3cf..35f520bd 100644
--- a/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
+++ b/pyperformance/data-files/benchmarks/bm_stdlib_startup/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "pyperformance_stdlib_startup"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 dependencies = []
 urls = {repository = "https://github.com/python/pyperformance"}
 dynamic = ["version"]