Find the URL delimiters with str.find() in _urlsplit().

[wRAR]

No description provided.

[codspeed]

Merging this PR will improve performance by 62.04%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 13 improved benchmarks
✅ 52 untouched benchmarks

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	test_benchmark_url_long_cold[url_query_parameter]	3,811.4 µs	869.5 µs	×4.4
⚡	test_benchmark_url_long_cold[safe_url_string]	3,831.2 µs	890.5 µs	×4.3
⚡	test_benchmark_url_long_cold[canonicalize_url]	5.9 ms	3 ms	+98.69%
⚡	test_benchmark_url_cold[safe_url_string]	4.7 ms	3.4 ms	+39.85%
⚡	test_benchmark_url_cold[add_or_replace_parameter]	1.8 ms	1.3 ms	+38.23%
⚡	test_benchmark_url_cold[safe_download_url]	993.2 µs	724 µs	+37.17%
⚡	test_benchmark_url_cold[parse_data_uri]	1.5 ms	1.1 ms	+35.56%
⚡	test_benchmark_url_cold[parse_url]	346.4 µs	257.2 µs	+34.64%
⚡	test_benchmark_url_cold[file_uri_to_path]	313.4 µs	242.1 µs	+29.43%
⚡	test_benchmark_url_cold[url_query_parameter]	290.8 µs	230.1 µs	+26.39%
⚡	test_benchmark_url_cold[any_to_uri]	418.7 µs	335.5 µs	+24.79%
⚡	test_benchmark_url_cold[canonicalize_url]	835.4 µs	691.7 µs	+20.77%
⚡	test_benchmark_url_cold[add_or_replace_parameters]	764.1 µs	643.3 µs	+18.78%

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved on this PR, or directly use the CodSpeed MCP with your agent.

---

_{Comparing urlsplit-long-speedup (3deff50) with master (9c1d9cb)}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (9c1d9cb) to head (3deff50).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #351   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines         1052      1043    -9     
  Branches       238       231    -7     
=========================================
- Hits          1052      1043    -9     

Files with missing lines	Coverage Δ
w3lib/_url.py	100.00% <100.00%> (ø)

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