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* refactor(router): move litellm/router.py to litellm/router_python_core.py A pure rename with no content change, so git and review tools track the router body as a move. The next commit turns it into PythonCore and adds the Router facade back at litellm/router.py * refactor(router): extract PythonCore behind RouterCore and pass the router its config The routing logic moves unchanged from litellm/router.py into PythonCore in litellm/router_python_core.py. Router becomes a facade that builds a RouterConfig, picks a RouterCore with make_core and delegates every member to it. The core no longer reads or writes litellm.* directly: process settings come from RouterDynamicConfig, and inference calls, sleeps, callback lists and the global cache go through PythonHost. A CI check bans litellm.* in the router modules, and the proxy's construction sites build the config outside the router Settings are static: the constructor arguments and changeset values are copied when the router is built or the change applied, and a write to a setting attribute becomes apply(ChangeSet(assign=...)). A Router subclass's core class also subclasses the facade, so an override's super(Sub, self) works, and an instance-level patch of a core method is kept on the facade so nested patches unwind. tests/unit/test_router/core tests the core in isolation: ScriptedHost serves every host operation (scripted inference answers, recorded sleeps, settings, callbacks, cache), and make_core runs each test once per core in CORE_BUILDERS |
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| .. | ||
| __init__.py | ||
| conftest.py | ||
| scripted_host.py | ||
| test_endpoints.py | ||
| test_fallbacks.py | ||
| test_registry_changesets.py | ||
| test_retries_cooldowns.py | ||
| test_selection.py | ||