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#!/usr/bin/env python3
import os
from glob import glob
from time import perf_counter
from typing import Tuple
import html_py_ever
from bs4 import BeautifulSoup
try:
import lxml
except ImportError:
lxml = None
def rust(filename: str) -> Tuple[int, float, float]:
start_load = perf_counter()
doc = html_py_ever.parse_file(filename)
end_load = perf_counter()
start_search = perf_counter()
links = doc.select("a[href]")
end_search = perf_counter()
return len(links), end_load - start_load, end_search - start_search
def python(filename: str, parser: str) -> Tuple[int, float, float]:
start_load = perf_counter()
with open(filename, encoding="utf8") as fp:
soup = BeautifulSoup(fp, parser)
end_load = perf_counter()
start_search = perf_counter()
links = soup.select("a[href]")
end_search = perf_counter()
return len(links), end_load - start_load, end_search - start_search
def main():
files_glob = os.path.abspath(os.path.join(os.path.dirname(__file__), "*.html"))
for filename in glob(files_glob):
count_rs, parse_rs, select_rs = rust(filename)
count_py, parse_py, select_py = python(filename, "html.parser")
assert count_rs == count_py
print(f"{filename} {count_rs} {parse_rs:6f}s")
print(f"Parse py {parse_py:6f}s {parse_py/parse_rs:6.3f}x")
print(f"Select py {select_py:6f}s {select_py/select_rs:6.3f}x")
if lxml is not None:
count_lxml, parse_lxml, select_lxml = python(filename, "lxml")
assert count_rs == count_lxml
print(f"Parse lxml {parse_lxml:6f}s {parse_lxml/parse_rs:6.3f}x")
print(f"Select lxml {select_lxml:6f}s {select_lxml/select_rs:6.3f}x")
if __name__ == "__main__":
main()
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