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Lesser conduit scopes๏
๐ข Beginner ยท Lesson 05
Scopes without ceremony - a lesser conduit is a child resolution scope; unique_per_conduit gives each scope its own instance while plain unique stays shared across the family.
Before you run๏
Use the Beginner guide for prerequisite concepts. Run from a checkout with Melder installed and Python 3.14 free-threading selected. The collection download includes the level's local helper modules.
Run the saved script๏
python UX_and_AIX_experiences/01_beginner/05_lesser_conduit_scopes.py
py -3.14t UX_and_AIX_experiences/01_beginner/05_lesser_conduit_scopes.py
Public surface๏
md.Spellbook, md.Existence.unique_per_conduit, md.Conduit.create_lesser_conduit
Code๏
1"""
2TIER: beginner (05)
3GOAL: Scopes without ceremony - a lesser conduit is a child resolution
4 scope; unique_per_conduit gives each scope its own instance while
5 plain unique stays shared across the family.
6SURFACE EXERCISED: md.Spellbook, md.Existence.unique_per_conduit,
7 md.Conduit.create_lesser_conduit
8"""
9import melder as md
10
11
12class AppWideConfig:
13 pass
14
15
16class PerScopeSession:
17 pass
18
19
20def main() -> None:
21 book = md.Spellbook()
22 book.bind(spell=AppWideConfig, existence="unique")
23 book.bind(spell=PerScopeSession, existence="unique_per_conduit")
24 root = book.conjure()
25 child = root.create_lesser_conduit()
26
27 assert root.meld("AppWideConfig") is child.meld("AppWideConfig")
28 print("unique: shared across root and child")
29
30 root_session = root.meld("PerScopeSession")
31 child_session = child.meld("PerScopeSession")
32 assert root_session is not child_session
33 assert child.meld("PerScopeSession") is child_session
34 print("unique_per_conduit: one per scope, stable within it")
35
36
37if __name__ == "__main__":
38 main()
Check the outcome๏
The script contains its own assertions or demonstrated refusal paths. Run it to evaluate those checks against your installed version. The code above is taken directly from the saved file; no run output is invented here.