Do not call getfullargspec on every call. (#16589) #288

Job	Run time
check-signoff	0s
lint-crlf	6s
check-lockfile	7s
changes	1s
lint-newsfile	0s
Typechecking	9m 54s
check-schema-delta	22s
lint	2m 27s
check-sampleconfig	8m 26s
lint-clippy	4m 6s
lint-clippy-nightly	4m 24s
lint-rustfmt	4m 43s
lint-pydantic	8m 33s
linting-done	1s
calculate-test-jobs	5s
trial-olddeps	13m 46s
complement (monolith, SQLite)	18m 25s
portdb (3.8, 11)	4m 57s
complement (monolith, Postgres)	18m 26s
trial-pypy	0s
portdb (3.11, 15)	4m 28s
complement (workers, Postgres)	26m 15s
cargo-bench	0s
cargo-test	0s
trial (3.8, sqlite, all)	11m 36s
trial (3.9, sqlite, all)	13m 16s
sytest (focal)	13m 12s
trial (3.10, sqlite, all)	7m 20s
sytest (focal, postgres)	15m 32s
trial (3.11, sqlite, all)	9m 43s
sytest (focal, multi-postgres, workers)	21m 54s
trial (3.12, sqlite, all)	10m 38s
sytest (focal, multi-postgres, workers, asyncio)	30m 22s
trial (3.8, postgres, 11, all)	26m 40s
trial (3.12, postgres, 16, all)	17m 59s
sytest (focal, asyncio)	13m 47s
trial (3.8, sqlite)	13m 9s
sytest (focal, postgres, asyncio)	21m 19s
sytest (testing, postgres)	15m 45s
export-data	4m 5s
tests-done	3s
	6h 15m 52s

Provide feedback