Replace self._val with separate properties

[bdraco]

self._val has been eliminated and replaced with self._scheme, self._netloc, self._path, self._query, self._fragment

Second part of #1396

Closes #172

[codspeed-hq]

CodSpeed Performance Report

Merging #1397 will improve performances by 57.36%

_{Comparing elim_val (0ff04a4) with master (41af4a3)}

Summary

⚡ 19 improvements
✅ 63 untouched benchmarks

Benchmarks breakdown

	Benchmark	master	elim_val	Change
⚡	test_empty_query	50 µs	46.7 µs	+7.07%
⚡	test_empty_query_string	50.8 µs	46.4 µs	+9.53%
⚡	test_url_equality	358.1 µs	310.7 µs	+15.23%
⚡	test_url_join	320.5 µs	261.4 µs	+22.58%
⚡	test_url_make_access_fragment	247.3 µs	167.9 µs	+47.35%
⚡	test_url_make_access_raw_host	247.8 µs	168.2 µs	+47.3%
⚡	test_url_make_access_raw_path	246.8 µs	167.3 µs	+47.49%
⚡	test_url_make_access_username_password	272.5 µs	193.5 µs	+40.82%
⚡	test_url_make_empty_password	218.1 µs	139.1 µs	+56.81%
⚡	test_url_make_empty_username	219.4 µs	140.4 µs	+56.3%
⚡	test_url_make_encoded_with_host_path_and_port	269.9 µs	188.4 µs	+43.3%
⚡	test_url_make_no_netloc	218.1 µs	138.9 µs	+57%
⚡	test_url_make_no_netloc_relative	218.6 µs	139.1 µs	+57.21%
⚡	test_url_make_with_host_and_path	219 µs	139.5 µs	+57%
⚡	test_url_make_with_host_path_and_port	218.6 µs	139 µs	+57.33%
⚡	test_url_make_with_ipv4_address_and_path	218.1 µs	139.7 µs	+56.07%
⚡	test_url_make_with_ipv4_address_path_and_port	218.7 µs	140.1 µs	+56.11%
⚡	test_url_make_with_ipv6_address_and_path	218.1 µs	139.2 µs	+56.75%
⚡	test_url_make_with_ipv6_address_path_and_port	218.7 µs	139 µs	+57.36%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.05%. Comparing base (41af4a3) to head (0ff04a4).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1397      +/-   ##
==========================================
+ Coverage   96.01%   96.05%   +0.03%     
==========================================
  Files          31       31              
  Lines        5692     5748      +56     
  Branches      353      342      -11     
==========================================
+ Hits         5465     5521      +56     
  Misses        201      201              
  Partials       26       26              

Flag	Coverage Δ
CI-GHA	96.05% <100.00%> (+0.03%)	⬆️
MyPy	48.83% <78.88%> (+<0.01%)	⬆️
OS-Linux	99.55% <100.00%> (+<0.01%)	⬆️
OS-Windows	99.61% <100.00%> (+<0.01%)	⬆️
OS-macOS	99.29% <100.00%> (+<0.01%)	⬆️
Py-3.10.11	99.27% <100.00%> (+<0.01%)	⬆️
Py-3.10.15	99.51% <100.00%> (+<0.01%)	⬆️
Py-3.11.10	99.51% <100.00%> (+<0.01%)	⬆️
Py-3.11.9	99.27% <100.00%> (+<0.01%)	⬆️
Py-3.12.7	99.51% <100.00%> (+<0.01%)	⬆️
Py-3.13.0	99.51% <100.00%> (+<0.01%)	⬆️
Py-3.9.13	99.23% <100.00%> (+<0.01%)	⬆️
Py-3.9.20	99.46% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.16	99.52% <100.00%> (+<0.01%)	⬆️
Py-pypy7.3.17	99.55% <100.00%> (+<0.01%)	⬆️
VM-macos-latest	99.29% <100.00%> (+<0.01%)	⬆️
VM-ubuntu-latest	99.55% <100.00%> (+<0.01%)	⬆️
VM-windows-latest	99.61% <100.00%> (+<0.01%)	⬆️
pytest	99.55% <100.00%> (+<0.01%)	⬆️

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[bdraco]

This seems slower and less readable

[bdraco]

Going to try one more thing before I throw in the towel on this one

[bdraco]

Thats a lot more readable.... lets see if its +/- on performance though

[bdraco]

still 8% slower making the URL
https://codspeed.io/aio-libs/yarl/branches/elim_val

If we move the URL inside the pre_encoded_url and encode_url we can eliminate all the setattrs

[bdraco]

that works but need to make sure we do not cache on default value since unpickling mutates the object and everything else expected URL is immutable.