Configuration attributes

Behavior that applies to a whole tracer is set with class-level attributes on your BaseTracer subclass. Set them in the class body:

class CoverageTracer(pyc.BaseTracer):
    bytecode_caching_allowed = False
    # ... handlers ...

Attribute	Default	Effect
`instrument_all_files`	`False`	Instrument every imported file, ignoring `should_instrument_file()`.
`allow_reentrant_events`	`False`	Allow handlers to fire while another event is already being handled. Needed by macro-style tracers (see `quasiquote`); can also be entered locally with `pyccolo.allow_reentrant_event_handling()`.
`multiple_threads_allowed`	`False`	Emit events from threads other than the one that entered the tracing context.
`requires_ast_bookkeeping`	`True`	Retain the AST bookkeeping tables (node-by-id, parent links, augmentations). Turn off only if no handler needs resolved nodes.
`should_patch_meta_path`	`True`	Install the `sys.meta_path` import hook when tracing, so imports can be instrumented.
`global_guards_enabled`	`True`	Enable the global guard machinery. Purely transformational tracers (that only rewrite syntax) set this `False` so they compose cleanly.
`bytecode_caching_allowed`	`True`	Allow cached instrumented bytecode. Coverage-style tracers set this `False` to avoid stale/omitted statements.
`instrument_lambdas`	`False`	Let `instrumented()` weave bare `lambda`\ s (lifted into synthetic `def`\ s).
`keep_sandbox_source`	`False`	Register pre-instrumentation source in `linecache` so `inspect.getsource()` and tracebacks work for `exec`/`eval`-compiled code.
`ast_rewriter_cls`	`AstRewriter`	The rewriter class to use; override to customize the transform.