{
  "schema": "2",
  "generated": "2026-11-14",
  "commit": "a876d9e7eb052191ca6d6f83d2bfeb25c67e3015",
  "sources": {
    "support_data": "scripts/support_data.toml",
    "pins": "benchmarks/compat/top100/pins.json",
    "coverage": "pyscriptc coverage over benchmarks/compat/top100/src",
    "score": "nightly/visible-score.json"
  },
  "channel": {
    "released": "0.10.0b1",
    "install_released": "uv tool install pyscriptc",
    "install_master": "uv pip install git+https://github.com/sigilco/pyscriptc"
  },
  "island": {
    "measured": 18,
    "packages": 18,
    "runs": 18,
    "date": "2026-11-14",
    "commit": "a876d9e7eb052191ca6d6f83d2bfeb25c67e3015",
    "source": "benchmarks/compat/top100/island_probe.py"
  },
  "summary": {
    "builtins_full": 3,
    "builtins_partial": 14,
    "builtins_none": 1,
    "stdlib_full": 0,
    "stdlib_partial": 68,
    "stdlib_none": 0,
    "packages_full": 2,
    "packages_partial": 8,
    "packages_none": 8,
    "weighted_pass": 1006.3,
    "fences": 2683
  },
  "builtins": [
    {
      "id": "builtin.abs",
      "kind": "builtin",
      "label": "`abs`, `all`, `any`, `bin`, `chr`, `divmod`, `enumerate`, `getattr`, `hasattr`, `hex`, `iter`, `len`, `map`, `next`, `oct`, `ord`, `pow`, `range`, `repr`, `reversed`, `round`, `sum`, `bool`, `set`",
      "names": [
        "abs",
        "all",
        "any",
        "bin",
        "chr",
        "divmod",
        "enumerate",
        "getattr",
        "hasattr",
        "hex",
        "iter",
        "len",
        "map",
        "next",
        "oct",
        "ord",
        "pow",
        "range",
        "repr",
        "reversed",
        "round",
        "sum",
        "bool",
        "set"
      ],
      "status": "full",
      "count": 24,
      "unsupported": [],
      "fences": [],
      "note": ""
    },
    {
      "id": "builtin.print",
      "kind": "builtin",
      "label": "`print`",
      "names": [
        "print"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "file= other than sys.stdout or sys.stderr"
      ],
      "fences": [
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "builtin.input",
      "kind": "builtin",
      "label": "`input`",
      "names": [
        "input"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "prompt argument"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.int",
      "kind": "builtin",
      "label": "`int`",
      "names": [
        "int"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "unknown keyword, int(bool)"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.float",
      "kind": "builtin",
      "label": "`float`",
      "names": [
        "float"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "float(bool)"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.str",
      "kind": "builtin",
      "label": "`str`",
      "names": [
        "str"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "str of a user class"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.list",
      "kind": "builtin",
      "label": "`list`",
      "names": [
        "list"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "list(str)"
      ],
      "fences": [
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "builtin.min",
      "kind": "builtin",
      "label": "`min`, `max`",
      "names": [
        "min",
        "max"
      ],
      "status": "partial",
      "count": 2,
      "unsupported": [
        "key= a function name"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.sorted",
      "kind": "builtin",
      "label": "`sorted`",
      "names": [
        "sorted"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "key= a function name, sorted(dict)"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.zip",
      "kind": "builtin",
      "label": "`zip`",
      "names": [
        "zip"
      ],
      "status": "full",
      "count": 1,
      "unsupported": [],
      "fences": [],
      "note": ""
    },
    {
      "id": "builtin.filter",
      "kind": "builtin",
      "label": "`filter`",
      "names": [
        "filter"
      ],
      "status": "full",
      "count": 1,
      "unsupported": [],
      "fences": [],
      "note": ""
    },
    {
      "id": "builtin.isinstance",
      "kind": "builtin",
      "label": "`isinstance`",
      "names": [
        "isinstance"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "tuple of types"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "builtin.open",
      "kind": "builtin",
      "label": "`open`",
      "names": [
        "open"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "keywords other than encoding="
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.id",
      "kind": "builtin",
      "label": "`id`",
      "names": [
        "id"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "id of int"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.frozenset",
      "kind": "builtin",
      "label": "`frozenset`",
      "names": [
        "frozenset"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "non-constant argument"
      ],
      "fences": [
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "builtin.eval",
      "kind": "builtin",
      "label": "`eval`",
      "names": [
        "eval"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "anything but a constant expression"
      ],
      "fences": [
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "builtin.baseexception",
      "kind": "builtin",
      "label": "`BaseException` and subclasses",
      "names": [
        "BaseException",
        "Exception",
        "ValueError",
        "KeyError",
        "RuntimeError",
        "TypeError",
        "StopIteration"
      ],
      "status": "partial",
      "count": 7,
      "unsupported": [
        "ExceptionGroup"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "builtin.bytes",
      "kind": "builtin",
      "label": "`bytes`, `bytearray`, `memoryview`, `callable`, `complex`, `dict`, `format`, `tuple`, `type`, `object`, `super`, `vars`, `dir`, `globals`, `locals`, `exec`, `issubclass`, `ascii`, `setattr`, `delattr`, `slice`, `hash`, `__import__`",
      "names": [
        "bytes",
        "bytearray",
        "memoryview",
        "callable",
        "complex",
        "dict",
        "format",
        "tuple",
        "type",
        "object",
        "super",
        "vars",
        "dir",
        "globals",
        "locals",
        "exec",
        "issubclass",
        "ascii",
        "setattr",
        "delattr",
        "slice",
        "hash",
        "__import__"
      ],
      "status": "none",
      "count": 23,
      "unsupported": [
        "all (`dict` displays and `{}` work; `dict(...)` does not)"
      ],
      "fences": [
        "PS2002"
      ],
      "note": "all (`dict` displays and `{}` work; `dict(...)` does not)"
    }
  ],
  "stdlib": [
    {
      "id": "stdlib.math",
      "kind": "stdlib",
      "label": "`math`",
      "names": [
        "math"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "fsum, comb, perm, isqrt, copysign, cbrt, prod, erf, erfc, lgamma, gamma, log with a base"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.re",
      "kind": "stdlib",
      "label": "`re`",
      "names": [
        "re"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "finditer, 5+ groups, sub with a function"
      ],
      "fences": [
        "PS1001",
        "PS2001",
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "stdlib.json",
      "kind": "stdlib",
      "label": "`json`",
      "names": [
        "json"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "ensure_ascii=False, JSONDecodeError"
      ],
      "fences": [
        "PS1106",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.tomllib",
      "kind": "stdlib",
      "label": "`tomllib`",
      "names": [
        "tomllib"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "load (file object), keyword arguments"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.dotenv",
      "kind": "stdlib",
      "label": "`dotenv`",
      "names": [
        "dotenv"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "stream, verbose, interpolate, override, encoding arguments, other dotenv members (find_dotenv, set_key, DotEnv), interpolation ($VAR stays literal)"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.yaml",
      "kind": "stdlib",
      "label": "`yaml`",
      "names": [
        "yaml"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "load, dump, safe_dump, keyword arguments"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.jwt",
      "kind": "stdlib",
      "label": "`jwt`",
      "names": [
        "jwt"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "RS256 and other asymmetric algorithms, non-literal algorithm, other jwt members (get_unverified_header, PyJWTError), claims beyond str values (exp, aud), options dict, headers argument"
      ],
      "fences": [
        "PS1003",
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.orjson",
      "kind": "stdlib",
      "label": "`orjson`",
      "names": [
        "orjson"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "default callable, other OPT_ flags, other orjson members (Fragment, JSONDecodeError)"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.pyscriptc-ndarray",
      "kind": "stdlib",
      "label": "`pyscriptc_ndarray`, `numpy`",
      "names": [
        "pyscriptc_ndarray",
        "numpy"
      ],
      "status": "partial",
      "count": 2,
      "unsupported": [
        "other module members (dot, linalg, random, fft, einsum), other methods (argsort, clip, cumsum, fill), dtype outside the four, negative slice step"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.urllib-request",
      "kind": "stdlib",
      "label": "`urllib.request`, `urllib.error`",
      "names": [
        "urllib.request",
        "urllib.error"
      ],
      "status": "partial",
      "count": 2,
      "unsupported": [
        "urlopen header keyword, other urllib.request members (build_opener, install_opener, urlretrieve), HTTPError attribute reads"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.urllib-parse",
      "kind": "stdlib",
      "label": "`urllib.parse`",
      "names": [
        "urllib.parse"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "urlparse, urljoin, urlunsplit, parse_qsl"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.base64",
      "kind": "stdlib",
      "label": "`base64`",
      "names": [
        "base64"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "b32, b16, a85, encodebytes"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.hashlib",
      "kind": "stdlib",
      "label": "`hashlib`",
      "names": [
        "hashlib"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "blake2, sha3, sha224, new, pbkdf2_hmac, incremental update (no-argument constructor)"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.struct",
      "kind": "stdlib",
      "label": "`struct`",
      "names": [
        "struct"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "non-literal format, native-alignment format (no byte-order prefix), pack_into, iter_unpack, Struct"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.datetime",
      "kind": "stdlib",
      "label": "`datetime`",
      "names": [
        "datetime"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "timezone and tzinfo, utcnow, datetime.strftime"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.time",
      "kind": "stdlib",
      "label": "`time`",
      "names": [
        "time"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "time_ns, ctime, process_time"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.collections",
      "kind": "stdlib",
      "label": "`collections`",
      "names": [
        "collections"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "ChainMap"
      ],
      "fences": [
        "PS1106"
      ],
      "note": ""
    },
    {
      "id": "stdlib.functools",
      "kind": "stdlib",
      "label": "`functools`",
      "names": [
        "functools"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "reduce with a lambda, reduce with an initializer, partial, wraps, lru_cache, cmp_to_key, cache, total_ordering"
      ],
      "fences": [
        "PS2001",
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "stdlib.itertools",
      "kind": "stdlib",
      "label": "`itertools`",
      "names": [
        "itertools"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "count, cycle (infinite), tee (returns a pair, not an iterator), permutations without a count"
      ],
      "fences": [
        "PS2001",
        "PS2002",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.operator",
      "kind": "stdlib",
      "label": "`operator`",
      "names": [
        "operator"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "itemgetter, attrgetter, methodcaller, and_, not_, getitem"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.contextlib",
      "kind": "stdlib",
      "label": "`contextlib`",
      "names": [
        "contextlib"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "closing, redirect_stdout, ExitStack, contextmanager"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.os",
      "kind": "stdlib",
      "label": "`os`",
      "names": [
        "os"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "scandir, system, urandom, cpu_count, kill, rmdir, getuid, keyword arguments (makedirs exist_ok)"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.posixpath",
      "kind": "stdlib",
      "label": "`posixpath`",
      "names": [
        "posixpath"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "commonpath, ismount, lexists"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.pathlib",
      "kind": "stdlib",
      "label": "`pathlib`",
      "names": [
        "pathlib"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "rglob, absolute, rmdir, with_suffix, relative_to, resolve to str, PurePath"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.stat",
      "kind": "stdlib",
      "label": "`stat`",
      "names": [
        "stat"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "S_IMODE, S_ISFIFO, S_ISSOCK, filemode"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.fnmatch",
      "kind": "stdlib",
      "label": "`fnmatch`",
      "names": [
        "fnmatch"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "fnmatchcase, translate"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.warnings",
      "kind": "stdlib",
      "label": "`warnings`",
      "names": [
        "warnings"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "warn with a category, simplefilter"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.io",
      "kind": "stdlib",
      "label": "`io`",
      "names": [
        "io"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "TextIOWrapper, BufferedReader, io.open"
      ],
      "fences": [
        "PS1106"
      ],
      "note": ""
    },
    {
      "id": "stdlib.sys",
      "kind": "stdlib",
      "label": "`sys`",
      "names": [
        "sys"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "stdin, path, modules, getsizeof, getrecursionlimit, stdout.flush"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.importlib",
      "kind": "stdlib",
      "label": "`importlib`",
      "names": [
        "importlib"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "import_module, reload"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.inspect",
      "kind": "stdlib",
      "label": "`inspect`",
      "names": [
        "inspect"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "getsource, isclass, signature, iscoroutinefunction"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.threading",
      "kind": "stdlib",
      "label": "`threading`",
      "names": [
        "threading"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "main_thread, Thread target is a callable, Timer, Lock in `with`"
      ],
      "fences": [
        "PS1003",
        "PS1106",
        "PS2001",
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "stdlib.queue",
      "kind": "stdlib",
      "label": "`queue`",
      "names": [
        "queue"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "PriorityQueue, a queue without an element annotation, an unknown queue method, a bool element type"
      ],
      "fences": [
        "PS1001",
        "PS1106",
        "PS2001",
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "stdlib.logging",
      "kind": "stdlib",
      "label": "`logging`",
      "names": [
        "logging"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "basicConfig(level=...), format args (`logging.info(fmt, a)`), exception, handlers (StreamHandler)"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.asyncio",
      "kind": "stdlib",
      "label": "`asyncio`",
      "names": [
        "asyncio"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "bare Queue annotation (element type needed), get_event_loop, sleep outside a coroutine"
      ],
      "fences": [
        "PS1001",
        "PS2001",
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "stdlib.subprocess",
      "kind": "stdlib",
      "label": "`subprocess`",
      "names": [
        "subprocess"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "Popen, getoutput"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.socket",
      "kind": "stdlib",
      "label": "`socket`",
      "names": [
        "socket"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "socket(), gethostbyname"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.ssl",
      "kind": "stdlib",
      "label": "`ssl`",
      "names": [
        "ssl"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "contexts (create_default_context)"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.ctypes",
      "kind": "stdlib",
      "label": "`ctypes`",
      "names": [
        "ctypes"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "CDLL, c_int(...), sizeof of other types"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.string",
      "kind": "stdlib",
      "label": "`string`",
      "names": [
        "string"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "capwords, Template"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.bisect",
      "kind": "stdlib",
      "label": "`bisect`",
      "names": [
        "bisect"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "key=, lo=, hi="
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.heapq",
      "kind": "stdlib",
      "label": "`heapq`",
      "names": [
        "heapq"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "merge, heapreplace, heappushpop, the *_max family, key="
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.statistics",
      "kind": "stdlib",
      "label": "`statistics`",
      "names": [
        "statistics"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "multimode, median_grouped, correlation, linear_regression, mode over float data, quantiles n= outside 2, 4, 8"
      ],
      "fences": [
        "PS1003",
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.errno",
      "kind": "stdlib",
      "label": "`errno`",
      "names": [
        "errno"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "errorcode"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.importlib-resources",
      "kind": "stdlib",
      "label": "`importlib.resources`",
      "names": [
        "importlib.resources"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "read_text, is_resource"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.hmac",
      "kind": "stdlib",
      "label": "`hmac`",
      "names": [
        "hmac"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "hexdigest, digestmod="
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.unicodedata",
      "kind": "stdlib",
      "label": "`unicodedata`",
      "names": [
        "unicodedata"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "ucd_3_2_0 (also: Latin-1 only)"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.tempfile",
      "kind": "stdlib",
      "label": "`tempfile`",
      "names": [
        "tempfile"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "TemporaryDirectory, mkstemp with suffix/prefix/dir/text"
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.uuid",
      "kind": "stdlib",
      "label": "`uuid`",
      "names": [
        "uuid"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        ".int, .urn, .bytes and other names, names outside the subset"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.binascii",
      "kind": "stdlib",
      "label": "`binascii`",
      "names": [
        "binascii"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "hexlify of str, names outside the subset"
      ],
      "fences": [
        "PS1003",
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.shlex",
      "kind": "stdlib",
      "label": "`shlex`",
      "names": [
        "shlex"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "comments as a variable, the shlex class and modes"
      ],
      "fences": [
        "PS1003",
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.secrets",
      "kind": "stdlib",
      "label": "`secrets`",
      "names": [
        "secrets"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "the count as a variable, names outside the subset"
      ],
      "fences": [
        "PS1003",
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.atexit",
      "kind": "stdlib",
      "label": "`atexit`",
      "names": [
        "atexit"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "register of a function with arguments, unregister"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.shutil",
      "kind": "stdlib",
      "label": "`shutil`",
      "names": [
        "shutil"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "make_archive, disk_usage, chown"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.enum",
      "kind": "stdlib",
      "label": "`enum`",
      "names": [
        "enum"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "Flag, str-valued members, methods on the enum"
      ],
      "fences": [
        "PS2002"
      ],
      "note": ""
    },
    {
      "id": "stdlib.dataclasses",
      "kind": "stdlib",
      "label": "`dataclasses`",
      "names": [
        "dataclasses"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "field(), asdict, order= and other options"
      ],
      "fences": [
        "PS1201",
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.random",
      "kind": "stdlib",
      "label": "`random`",
      "names": [
        "random"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "Random, vonmisesvariate, paretovariate, choices(cum_weights=)"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.csv",
      "kind": "stdlib",
      "label": "`csv`",
      "names": [
        "csv"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "restkey, restval, Sniffer, Sniffer, Dialect"
      ],
      "fences": [
        "PS2001",
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.textwrap",
      "kind": "stdlib",
      "label": "`textwrap`",
      "names": [
        "textwrap"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "TextWrapper"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.copy",
      "kind": "stdlib",
      "label": "`copy`",
      "names": [
        "copy"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "copy of a user class"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.argparse",
      "kind": "stdlib",
      "label": "`argparse`",
      "names": [
        "argparse"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "subparsers, nargs=, choices="
      ],
      "fences": [
        "PS2003"
      ],
      "note": ""
    },
    {
      "id": "stdlib.platform",
      "kind": "stdlib",
      "label": "`platform`",
      "names": [
        "platform"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "processor"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.calendar",
      "kind": "stdlib",
      "label": "`calendar`",
      "names": [
        "calendar"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "monthcalendar"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.zipfile",
      "kind": "stdlib",
      "label": "`zipfile`",
      "names": [
        "zipfile"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "ZipFile"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.tarfile",
      "kind": "stdlib",
      "label": "`tarfile`",
      "names": [
        "tarfile"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "TarFile"
      ],
      "fences": [
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.selectors",
      "kind": "stdlib",
      "label": "`selectors`",
      "names": [
        "selectors"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "a fileobj argument (the typed socket handle is #229), other selector classes (EpollSelector, PollSelector, KqueueSelector, DevpollSelector, BaseSelector), get_map, the key's fileobj and data (they ride the #229 handle)"
      ],
      "fences": [
        "PS1003",
        "PS1106",
        "PS2001"
      ],
      "note": ""
    },
    {
      "id": "stdlib.typing",
      "kind": "stdlib",
      "label": "`typing`, `typing_extensions`",
      "names": [
        "typing",
        "typing_extensions"
      ],
      "status": "partial",
      "count": 2,
      "unsupported": [
        "Any annotation, bare Callable, multi-arm union, optional of a multi-arm union, Literal annotation, Self return, TypeAlias declaration, PEP 695 type alias, PEP 695 TypeVar parameter, forward reference string, TypedDict class base, NamedTuple class base, NewType value, ParamSpec value, cast value, get_type_hints reflection, isinstance with a generic, __annotations__ read"
      ],
      "fences": [
        "PS1101",
        "PS1102",
        "PS1103",
        "PS1104",
        "PS1105",
        "PS1106",
        "PS2001",
        "PS2002"
      ],
      "note": "annotation-only: imports are free, annotations are the lowering input, erased before emission; typing names used as values fence"
    },
    {
      "id": "stdlib.collections-abc",
      "kind": "stdlib",
      "label": "`collections.abc`",
      "names": [
        "collections.abc"
      ],
      "status": "partial",
      "count": 1,
      "unsupported": [
        "name as a value, isinstance with an abstract base"
      ],
      "fences": [
        "PS2001",
        "PS2002"
      ],
      "note": "annotation-only like typing: the abstract containers erase to the concrete list, dict and set; names used as values fence"
    }
  ],
  "packages": [
    {
      "name": "certifi",
      "import_name": "certifi",
      "version": "2026.7.22",
      "status": "full",
      "island": "runs",
      "plane": {
        "definitions": 5,
        "native": 5,
        "island": 0,
        "blocked": 0
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 0,
      "definitions": 5,
      "fenced_definitions": 0,
      "top_families": [],
      "codes": [],
      "pypi": "https://pypi.org/project/certifi/"
    },
    {
      "name": "colorama",
      "import_name": "colorama",
      "version": "0.4.6",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 77,
        "native": 31,
        "island": 0,
        "blocked": 46
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 82,
      "definitions": 77,
      "fenced_definitions": 42,
      "top_families": [
        {
          "family": "param-inference",
          "count": 29
        },
        {
          "family": "construct-other",
          "count": 13
        },
        {
          "family": "name-resolution",
          "count": 8
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 42
        },
        {
          "code": "PS1001",
          "count": 36
        },
        {
          "code": "PS2003",
          "count": 3
        }
      ],
      "pypi": "https://pypi.org/project/colorama/"
    },
    {
      "name": "python-dotenv",
      "import_name": "dotenv",
      "version": "1.2.4",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 75,
        "native": 29,
        "island": 0,
        "blocked": 46
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 118,
      "definitions": 75,
      "fenced_definitions": 42,
      "top_families": [
        {
          "family": "unlowered-call",
          "count": 25
        },
        {
          "family": "name-resolution",
          "count": 18
        },
        {
          "family": "construct-other",
          "count": 18
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 81
        },
        {
          "code": "PS1106",
          "count": 16
        },
        {
          "code": "PS1001",
          "count": 8
        }
      ],
      "pypi": "https://pypi.org/project/python-dotenv/"
    },
    {
      "name": "filelock",
      "import_name": "filelock",
      "version": "4.1.1",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 641,
        "native": 374,
        "island": 4,
        "blocked": 263
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 735,
      "definitions": 641,
      "fenced_definitions": 246,
      "top_families": [
        {
          "family": "name-resolution",
          "count": 172
        },
        {
          "family": "construct-other",
          "count": 120
        },
        {
          "family": "field-lookup",
          "count": 51
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 433
        },
        {
          "code": "PS2001",
          "count": 101
        },
        {
          "code": "PS1103",
          "count": 49
        }
      ],
      "pypi": "https://pypi.org/project/filelock/"
    },
    {
      "name": "h11",
      "import_name": "h11",
      "version": "0.16.0",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 133,
        "native": 50,
        "island": 17,
        "blocked": 66
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 190,
      "definitions": 133,
      "fenced_definitions": 74,
      "top_families": [
        {
          "family": "unlowered-type-name",
          "count": 17
        },
        {
          "family": "reflection",
          "count": 16
        },
        {
          "family": "generic-alias",
          "count": 14
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 107
        },
        {
          "code": "PS1106",
          "count": 17
        },
        {
          "code": "PS1203",
          "count": 15
        }
      ],
      "pypi": "https://pypi.org/project/h11/"
    },
    {
      "name": "idna",
      "import_name": "idna",
      "version": "3.20",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 56,
        "native": 18,
        "island": 0,
        "blocked": 38
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 106,
      "definitions": 56,
      "fenced_definitions": 37,
      "top_families": [
        {
          "family": "keyword-args",
          "count": 22
        },
        {
          "family": "name-resolution",
          "count": 13
        },
        {
          "family": "unlowered-call",
          "count": 8
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 48
        },
        {
          "code": "PS2003",
          "count": 29
        },
        {
          "code": "PS1101",
          "count": 7
        }
      ],
      "pypi": "https://pypi.org/project/idna/"
    },
    {
      "name": "iniconfig",
      "import_name": "iniconfig",
      "version": "2.3.1",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 34,
        "native": 19,
        "island": 0,
        "blocked": 15
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 28,
      "definitions": 34,
      "fenced_definitions": 13,
      "top_families": [
        {
          "family": "type-mismatch",
          "count": 5
        },
        {
          "family": "union-types",
          "count": 4
        },
        {
          "family": "call-arity",
          "count": 4
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 8
        },
        {
          "code": "PS1003",
          "count": 5
        },
        {
          "code": "PS1101",
          "count": 4
        }
      ],
      "pypi": "https://pypi.org/project/iniconfig/"
    },
    {
      "name": "jmespath",
      "import_name": "jmespath",
      "version": "1.1.0",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 200,
        "native": 83,
        "island": 1,
        "blocked": 116
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 119,
      "definitions": 200,
      "fenced_definitions": 109,
      "top_families": [
        {
          "family": "param-inference",
          "count": 82
        },
        {
          "family": "return-inference",
          "count": 19
        },
        {
          "family": "name-resolution",
          "count": 2
        }
      ],
      "codes": [
        {
          "code": "PS1001",
          "count": 101
        },
        {
          "code": "PS2002",
          "count": 16
        },
        {
          "code": "PS2001",
          "count": 1
        }
      ],
      "pypi": "https://pypi.org/project/jmespath/"
    },
    {
      "name": "pyjwt",
      "import_name": "jwt",
      "version": "2.15.1",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 171,
        "native": 113,
        "island": 0,
        "blocked": 58
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 104,
      "definitions": 171,
      "fenced_definitions": 51,
      "top_families": [
        {
          "family": "name-resolution",
          "count": 17
        },
        {
          "family": "union-types",
          "count": 14
        },
        {
          "family": "unlowered-type-name",
          "count": 11
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 51
        },
        {
          "code": "PS1101",
          "count": 14
        },
        {
          "code": "PS2001",
          "count": 13
        }
      ],
      "pypi": "https://pypi.org/project/pyjwt/"
    },
    {
      "name": "mdurl",
      "import_name": "mdurl",
      "version": "0.1.2",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 12,
        "native": 5,
        "island": 0,
        "blocked": 7
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 22,
      "definitions": 12,
      "fenced_definitions": 6,
      "top_families": [
        {
          "family": "name-resolution",
          "count": 5
        },
        {
          "family": "construct-other",
          "count": 3
        },
        {
          "family": "unlowered-call",
          "count": 3
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 15
        },
        {
          "code": "PS2003",
          "count": 2
        },
        {
          "code": "PS2001",
          "count": 1
        }
      ],
      "pypi": "https://pypi.org/project/mdurl/"
    },
    {
      "name": "packaging",
      "import_name": "packaging",
      "version": "26.3",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 558,
        "native": 274,
        "island": 0,
        "blocked": 284
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 545,
      "definitions": 558,
      "fenced_definitions": 271,
      "top_families": [
        {
          "family": "unlowered-type-name",
          "count": 90
        },
        {
          "family": "name-resolution",
          "count": 77
        },
        {
          "family": "generic-alias",
          "count": 53
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 222
        },
        {
          "code": "PS1106",
          "count": 90
        },
        {
          "code": "PS1103",
          "count": 53
        }
      ],
      "pypi": "https://pypi.org/project/packaging/"
    },
    {
      "name": "pathspec",
      "import_name": "pathspec",
      "version": "1.1.1",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 132,
        "native": 47,
        "island": 0,
        "blocked": 85
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 193,
      "definitions": 132,
      "fenced_definitions": 76,
      "top_families": [
        {
          "family": "name-resolution",
          "count": 30
        },
        {
          "family": "construct-other",
          "count": 21
        },
        {
          "family": "unlowered-type-name",
          "count": 19
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 107
        },
        {
          "code": "PS1106",
          "count": 19
        },
        {
          "code": "PS1003",
          "count": 19
        }
      ],
      "pypi": "https://pypi.org/project/pathspec/"
    },
    {
      "name": "platformdirs",
      "import_name": "platformdirs",
      "version": "4.13.0",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 388,
        "native": 225,
        "island": 0,
        "blocked": 163
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 272,
      "definitions": 388,
      "fenced_definitions": 155,
      "top_families": [
        {
          "family": "construct-other",
          "count": 63
        },
        {
          "family": "name-resolution",
          "count": 63
        },
        {
          "family": "optional-types",
          "count": 33
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 145
        },
        {
          "code": "PS1102",
          "count": 33
        },
        {
          "code": "PS2001",
          "count": 23
        }
      ],
      "pypi": "https://pypi.org/project/platformdirs/"
    },
    {
      "name": "pytz",
      "import_name": "pytz",
      "version": "2026.5",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 102,
        "native": 70,
        "island": 0,
        "blocked": 32
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 52,
      "definitions": 102,
      "fenced_definitions": 32,
      "top_families": [
        {
          "family": "param-inference",
          "count": 16
        },
        {
          "family": "return-inference",
          "count": 2
        },
        {
          "family": "stdlib:datetime",
          "count": 2
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 31
        },
        {
          "code": "PS1001",
          "count": 18
        },
        {
          "code": "PS2001",
          "count": 3
        }
      ],
      "pypi": "https://pypi.org/project/pytz/"
    },
    {
      "name": "shellingham",
      "import_name": "shellingham",
      "version": "1.5.4",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 25,
        "native": 6,
        "island": 0,
        "blocked": 19
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 46,
      "definitions": 25,
      "fenced_definitions": 19,
      "top_families": [
        {
          "family": "module-value",
          "count": 19
        },
        {
          "family": "param-inference",
          "count": 12
        },
        {
          "family": "return-inference",
          "count": 6
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 27
        },
        {
          "code": "PS1001",
          "count": 18
        },
        {
          "code": "PS2001",
          "count": 1
        }
      ],
      "pypi": "https://pypi.org/project/shellingham/"
    },
    {
      "name": "trove-classifiers",
      "import_name": "trove_classifiers",
      "version": "2026.9.21.13",
      "status": "partial",
      "island": "runs",
      "plane": {
        "definitions": 0,
        "native": 0,
        "island": 0,
        "blocked": 0
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 1,
      "definitions": 0,
      "fenced_definitions": 0,
      "top_families": [
        {
          "family": "module-assign",
          "count": 1
        }
      ],
      "codes": [
        {
          "code": "PS2002",
          "count": 1
        }
      ],
      "pypi": "https://pypi.org/project/trove-classifiers/"
    },
    {
      "name": "tzdata",
      "import_name": "tzdata",
      "version": "2026.5",
      "status": "full",
      "island": "runs",
      "plane": {
        "definitions": 0,
        "native": 0,
        "island": 0,
        "blocked": 0
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 0,
      "definitions": 0,
      "fenced_definitions": 0,
      "top_families": [],
      "codes": [],
      "pypi": "https://pypi.org/project/tzdata/"
    },
    {
      "name": "zipp",
      "import_name": "zipp",
      "version": "4.1.1",
      "status": "none",
      "island": "runs",
      "plane": {
        "definitions": 75,
        "native": 16,
        "island": 0,
        "blocked": 59
      },
      "evidence": "benchmarks/compat/top100/island_probe.py",
      "fences": 70,
      "definitions": 75,
      "fenced_definitions": 57,
      "top_families": [
        {
          "family": "param-inference",
          "count": 34
        },
        {
          "family": "return-inference",
          "count": 18
        },
        {
          "family": "module-value",
          "count": 3
        }
      ],
      "codes": [
        {
          "code": "PS1001",
          "count": 52
        },
        {
          "code": "PS2002",
          "count": 15
        },
        {
          "code": "PS2001",
          "count": 3
        }
      ],
      "pypi": "https://pypi.org/project/zipp/"
    }
  ],
  "language": [
    {
      "id": "lang",
      "label": "language",
      "probes": 440,
      "outcomes": {
        "fence": 108,
        "pass": 332
      },
      "weighted_pass": 332.0,
      "fence_codes": {
        "PS2002": 60,
        "PS1001": 16,
        "PS2003": 11,
        "PS1004": 10,
        "PS2001": 6,
        "PS2004": 3,
        "PS1106": 2
      }
    },
    {
      "id": "builtins",
      "label": "builtins",
      "probes": 403,
      "outcomes": {
        "excluded": 2,
        "fence": 233,
        "pass": 168
      },
      "weighted_pass": 165.3,
      "fence_codes": {
        "PS1106": 108,
        "PS2001": 56,
        "PS2002": 33,
        "PS2003": 23,
        "PS1103": 9,
        "PS1003": 3,
        "PS1104": 1
      }
    },
    {
      "id": "stdlib",
      "label": "stdlib modules",
      "probes": 12849,
      "outcomes": {
        "build-error": 1,
        "excluded": 1394,
        "fence": 10265,
        "pass": 1189
      },
      "weighted_pass": 451.0,
      "fence_codes": {
        "PS2002": 6305,
        "PS1106": 2823,
        "PS2001": 979,
        "PS2003": 60,
        "PS1003": 47,
        "PS1001": 37,
        "PS1104": 12,
        "PS1103": 2
      }
    },
    {
      "id": "top100",
      "label": "PyPI packages",
      "probes": 86,
      "outcomes": {
        "build-error": 4,
        "fence": 80,
        "pass": 2
      },
      "weighted_pass": 10.0,
      "fence_codes": {
        "PS2002": 65,
        "PS1001": 8,
        "PS1106": 2,
        "PS1101": 1,
        "PS1103": 1,
        "PS1104": 1,
        "PS1105": 1,
        "PS1203": 1
      }
    }
  ],
  "ladder": {
    "corpus": "benchmarks/scripts_corpus",
    "rungs": [
      {
        "rung": "R1",
        "label": "Single-file script",
        "corpus": "benchmarks/scripts_corpus/scripts",
        "total": 45,
        "compiled": 22,
        "passed": 19,
        "measured": true
      },
      {
        "rung": "R2",
        "label": "Multi-module tree",
        "corpus": "benchmarks/scripts_corpus/trees",
        "total": 5,
        "compiled": 4,
        "passed": 4,
        "measured": true
      }
    ],
    "lanes": [
      {
        "lane": "native",
        "imports": 288,
        "share": 0.8727
      },
      {
        "lane": "pack",
        "imports": 1,
        "share": 0.003
      },
      {
        "lane": "extern",
        "imports": 41,
        "share": 0.1242
      },
      {
        "lane": "island",
        "imports": 0,
        "share": 0.0
      },
      {
        "lane": "absent",
        "imports": 0,
        "share": 0.0
      }
    ],
    "selfContainedShare": 0.2222,
    "trees": 18,
    "r0": {
      "rung": "R0",
      "label": "Vendored real script",
      "corpus": "benchmarks/real_scripts/scripts",
      "total": 39,
      "passed": 2,
      "rate": 0.0513,
      "fences": 294,
      "date": "2026-11-14",
      "blockers": [
        {
          "family": "keyword-args",
          "rootCause": "call-table",
          "scriptsBlocked": 2,
          "scriptsAlone": 2
        },
        {
          "family": "module-assign",
          "rootCause": "statements",
          "scriptsBlocked": 2,
          "scriptsAlone": 1
        },
        {
          "family": "dynamic-annotation",
          "rootCause": "inference",
          "scriptsBlocked": 1,
          "scriptsAlone": 1
        },
        {
          "family": "stdlib:os",
          "rootCause": "stdlib-surface",
          "scriptsBlocked": 2,
          "scriptsAlone": 1
        },
        {
          "family": "construct-other",
          "rootCause": "statements",
          "scriptsBlocked": 9,
          "scriptsAlone": 2
        },
        {
          "family": "annotation-other",
          "rootCause": "inference",
          "scriptsBlocked": 3,
          "scriptsAlone": 0
        },
        {
          "family": "call-arity",
          "rootCause": "call-table",
          "scriptsBlocked": 19,
          "scriptsAlone": 0
        },
        {
          "family": "field-lookup",
          "rootCause": "classes",
          "scriptsBlocked": 6,
          "scriptsAlone": 0
        },
        {
          "family": "forward-reference",
          "rootCause": "inference",
          "scriptsBlocked": 1,
          "scriptsAlone": 0
        },
        {
          "family": "generic-alias",
          "rootCause": "inference",
          "scriptsBlocked": 1,
          "scriptsAlone": 0
        }
      ],
      "rootCauses": [
        {
          "cause": "statements",
          "scriptsReleased": 3
        },
        {
          "cause": "call-table",
          "scriptsReleased": 2
        },
        {
          "cause": "inference",
          "scriptsReleased": 2
        },
        {
          "cause": "stdlib-surface",
          "scriptsReleased": 1
        }
      ],
      "history": [
        {
          "date": "2026-11-09",
          "passed": 2,
          "total": 39,
          "rate": 0.0513
        },
        {
          "date": "2026-11-10",
          "passed": 2,
          "total": 39,
          "rate": 0.0513
        },
        {
          "date": "2026-11-13",
          "passed": 2,
          "total": 39,
          "rate": 0.0513
        },
        {
          "date": "2026-11-14",
          "passed": 2,
          "total": 39,
          "rate": 0.0513
        }
      ]
    }
  },
  "fences": [
    {
      "code": "PS2002",
      "title": "construct not supported",
      "count": 1349,
      "packages": 16
    },
    {
      "code": "PS1001",
      "title": "annotation missing or not supported",
      "count": 331,
      "packages": 13
    },
    {
      "code": "PS2001",
      "title": "stdlib name not supported",
      "count": 222,
      "packages": 14
    },
    {
      "code": "PS1106",
      "title": "annotation names a type the compiler does not take",
      "count": 209,
      "packages": 9
    },
    {
      "code": "PS1103",
      "title": "generic alias annotation",
      "count": 133,
      "packages": 9
    },
    {
      "code": "PS1101",
      "title": "union annotation",
      "count": 99,
      "packages": 9
    },
    {
      "code": "PS2003",
      "title": "call arguments not supported",
      "count": 93,
      "packages": 10
    },
    {
      "code": "PS1003",
      "title": "type mismatch",
      "count": 57,
      "packages": 8
    },
    {
      "code": "PS1104",
      "title": "dynamic or structural annotation",
      "count": 52,
      "packages": 6
    },
    {
      "code": "PS1102",
      "title": "Optional annotation",
      "count": 44,
      "packages": 6
    },
    {
      "code": "PS1201",
      "title": "decorator",
      "count": 31,
      "packages": 4
    },
    {
      "code": "PS1203",
      "title": "class header form",
      "count": 25,
      "packages": 5
    },
    {
      "code": "PS1105",
      "title": "forward reference annotation",
      "count": 14,
      "packages": 6
    },
    {
      "code": "PS2004",
      "title": "operator or operand not supported",
      "count": 12,
      "packages": 5
    },
    {
      "code": "PS2006",
      "title": "decorator expression is not a typed callable",
      "count": 6,
      "packages": 2
    },
    {
      "code": "PS1204",
      "title": "class body statement",
      "count": 4,
      "packages": 2
    },
    {
      "code": "PS4203",
      "title": "finalizer refused",
      "count": 1,
      "packages": 1
    },
    {
      "code": "PS4201",
      "title": "dynamic attribute protocol refused",
      "count": 1,
      "packages": 1
    }
  ],
  "history": [
    {
      "date": "2026-11-13",
      "commit": "91ef7017c7c6f12ccb276022e5fc37243ebf7a24",
      "weighted_pass": 0.0,
      "packages_full": 2,
      "packages_partial": 8,
      "packages_none": 8,
      "fences": 2585
    },
    {
      "date": "2026-11-14",
      "commit": "a876d9e7eb052191ca6d6f83d2bfeb25c67e3015",
      "weighted_pass": 1006.3,
      "packages_full": 2,
      "packages_partial": 8,
      "packages_none": 8,
      "fences": 2683
    }
  ]
}
