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feat(project): add ProjectSpec hub for markers and PluginManager#709

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RonnyPfannschmidt wants to merge 7 commits into
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RonnyPfannschmidt:refactor/project-spec
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feat(project): add ProjectSpec hub for markers and PluginManager#709
RonnyPfannschmidt wants to merge 7 commits into
pytest-dev:mainfrom
RonnyPfannschmidt:refactor/project-spec

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Step 06 — additive ProjectSpec hub bundling markers and plugin-manager creation; markers and PluginManager accept str | ProjectSpec (plain strings keep working).

Depends on #708 (includes it — full diff vs main).
Per-step diff for review: RonnyPfannschmidt#10

Refactoring series

Ordered re-implementation of the try-claude architecture experiments as reviewable steps (design writeups live in design/ inside the series). Each upstream PR shows the full cumulative diff against main; the linked chain PR on my fork shows only this step's changes:

Step Chain PR (per-step diff)
01 module split RonnyPfannschmidt#6
02 configuration objects RonnyPfannschmidt#5
03 markers attach config RonnyPfannschmidt#7
04 impl subclasses + CompletionHook API RonnyPfannschmidt#8
05 Protocol callers + multicall RonnyPfannschmidt#9
06 ProjectSpec RonnyPfannschmidt#10
07 async Submitter RonnyPfannschmidt#11

🤖 Generated with Claude Code

RonnyPfannschmidt and others added 7 commits July 24, 2026 18:48
Add the design/ writeup chain (decisions + per-step docs 01-07) that
guides the stacked refactoring branches. Exclude design/ from
blacken-docs since the docs use elided pseudo-code signatures.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Move hook types, markers, callers, implementations, and multicall out of
the monolithic _hooks/_callers modules so later typed-config and
CompletionHook work can land without thrashing one huge file. Keep
_hooks and _callers as re-export shims for import compatibility.

Co-authored-by: Cursor AI <ai@cursor.sh>
Co-authored-by: Cursor Grok 4.5 <grok@cursor.com>
Markers attach HookspecConfiguration/HookimplConfiguration objects.
Registration discovers those privately; parse_hookimpl_opts and
parse_hookspec_opts remain a deprecated pytest concession that returns
legacy dicts and is only called when a subclass overrides them and no
modern configuration attribute was found.

Co-authored-by: Cursor AI <ai@cursor.sh>
Co-authored-by: Cursor Grok 4.5 <grok@cursor.com>
Complete design step 03: markers already attach configuration objects
since step 02; this finishes the step by storing the spec configuration
as HookSpec.config (try-claude naming) with a deprecated .opts alias,
reading .config in HookCaller firstresult resolution, and covering
decoration-time historic+firstresult validation and configuration
attachment with tests.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
… setup API

Complete design step 04:

- HookImpl becomes a base class storing hookimpl_config (deprecated
  .opts alias kept) with arg binding moved to _get_call_args.
- NormalImpl / WrapperImpl subclasses validate their configuration;
  HookimplConfiguration.create_hookimpl() returns the right subclass
  (fixing the try-claude footgun of bare HookImpl for normals).
- WrapperImpl.setup_and_get_completion_hook() runs wrapper setup and
  returns a CompletionHook (runtime-checkable Protocol) that owns
  teardown, adapting old-style hookwrappers uniformly.
- Registration and call_extra construct impls via create_hookimpl;
  multicall binds args via _get_call_args. Full dual-sequence multicall
  rewiring lands with design step 05.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…multicall

Complete design step 05:

- HookCaller is now a @runtime_checkable Protocol; concrete callers are
  NormalHookCaller (split list[NormalImpl] / list[WrapperImpl] storage),
  HistoricHookCaller (memorize/replay, rejects wrappers) and
  SubsetHookCaller (read-only filtered proxy). _HookCaller and
  _SubsetHookCaller remain as compat aliases.
- _multicall takes dual sequences and orchestrates phases only: wrapper
  setup collects CompletionHooks, normals run, completion hooks run LIFO
  and may replace (result, exception) - no wrapper flag branching.
- add_hookspecs hands a NormalHookCaller over to a HistoricHookCaller
  when a historic spec arrives after impl registration.
- PluginManager._hookexec and tracing use the dual-sequence signature;
  monitoring callbacks keep receiving one combined impl list.
- HookSpec.verify_all_args_are_provided replaces the caller-side helper;
  set_specification accepts a config object or legacy mapping (shim).
- New tests: protocol isinstance for all concretes, historic handover,
  historic direct-call/call_extra rejection.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Complete design step 06: ProjectSpec bundles hookspec/hookimpl markers
and plugin manager creation under a single project name, with
get_hookspec_config / get_hookimpl_config helpers. Markers and
PluginManager accept str | ProjectSpec (strings still work; markers and
manager now expose project_name as a property delegating to the spec).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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