Adding upstream version 0.45+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

benchmark/benchmark.py

@@ -0,0 +1,93 @@
+import timeit
+from pathlib import Path
+
+from fastapi.templating import Jinja2Templates
+from jinja2 import Environment, FileSystemLoader
+from jinjax import Catalog
+
+
+here = Path(__file__).parent
+number = 10_000
+
+catalog = Catalog()
+catalog.add_folder(here)
+
+env = Environment(loader=FileSystemLoader(here))
+
+templates = Jinja2Templates(directory=here)
+
+
+def render_jinjax_simple():
+    """simple case"""
+    catalog.render("Simple", message="Hey there")
+
+
+def render_jinjax_real():
+    """realistic case"""
+    catalog.render("Real", message="Hey there")
+
+
+def render_jinja():
+    env.get_template("hello.html").render(message="Hey there")
+
+
+def render_fastapi():
+    templates.TemplateResponse("hello.html", {"request": None, "message": "Hey there"})
+
+
+def benchmark_no_cache(func):
+    print(f"NO CACHE: {number:_} renders of {func.__doc__}...\n")
+    catalog.use_cache = False
+    benchmark(func)
+
+
+def benchmark_auto_reload(func):
+    print(f"CACHE, AUTO-RELOAD: {number:_} renders of {func.__doc__}...\n")
+    catalog.use_cache = True
+    catalog.auto_reload = True
+    benchmark(func)
+
+
+def benchmark_no_auto_reload(func):
+    print(f"CACHE, NO AUTO-RELOAD: {number:_} renders of {func.__doc__}...\n")
+    catalog.use_cache = True
+    catalog.auto_reload = False
+    benchmark(func)
+
+
+def benchmark(func):
+    time_jinjax = timeit.timeit(func, number=number)
+    print_line("JinjaX", time_jinjax)
+    print(f"{time_jinjax / time_jinja:.1f} times Jinja")
+    print(f"{time_jinjax / time_fastapi:.1f} times FastApi")
+
+
+def print_line(name, time):
+    print(f"{name}: {(time / number):.12f}s per render ({(1_000_000 * time / number):.0f}µs), {time:.1f}s total")
+
+
+def print_separator():
+    print()
+    print("-" * 60)
+
+
+if __name__ == "__main__":
+    print(f"Benchmarking...\n")
+    time_jinja = timeit.timeit(render_jinja, number=number)
+    time_fastapi = timeit.timeit(render_fastapi, number=number)
+
+    print_line("Jinja", time_jinja)
+    print_line("FastApi", time_fastapi)
+    print_separator()
+    benchmark_no_cache(render_jinjax_simple)
+    print_separator()
+    benchmark_auto_reload(render_jinjax_simple)
+    print_separator()
+    benchmark_no_auto_reload(render_jinjax_simple)
+    print_separator()
+    benchmark_no_cache(render_jinjax_real)
+    print_separator()
+    benchmark_auto_reload(render_jinjax_real)
+    print_separator()
+    benchmark_no_auto_reload(render_jinjax_real)
+    print()