FM / python3.13

/opt/imh/python3.13/lib/python3.13

Name	Size	Mode	Actions
asyncio/	-	0755	rm
collections/	-	0755	rm
concurrent/	-	0755	rm
config-3.13-x86_64-linux-gnu/	-	0755	rm
ctypes/	-	0755	rm
curses/	-	0755	rm
dbm/	-	0755	rm
email/	-	0755	rm
encodings/	-	0755	rm
ensurepip/	-	0755	rm
html/	-	0755	rm
http/	-	0755	rm
idlelib/	-	0755	rm
importlib/	-	0755	rm
json/	-	0755	rm
lib-dynload/	-	0755	rm
logging/	-	0755	rm
multiprocessing/	-	0755	rm
pathlib/	-	0755	rm
pydoc_data/	-	0755	rm
re/	-	0755	rm
site-packages/	-	0755	rm
sqlite3/	-	0755	rm
sysconfig/	-	0755	rm
tkinter/	-	0755	rm
tomllib/	-	0755	rm
turtledemo/	-	0755	rm
unittest/	-	0755	rm
urllib/	-	0755	rm
venv/	-	0755	rm
wsgiref/	-	0755	rm
xml/	-	0755	rm
xmlrpc/	-	0755	rm
zipfile/	-	0755	rm
zoneinfo/	-	0755	rm
_pyrepl/	-	0755	rm
__phello__/	-	0755	rm
__pycache__/	-	0755	rm
abc.py	6538	0644	edit dl rm
antigravity.py	500	0644	edit dl rm
argparse.py	101661	0644	edit dl rm
ast.py	65339	0644	edit dl rm
base64.py	21630	0755	edit dl rm
bdb.py	35343	0644	edit dl rm
bisect.py	3423	0644	edit dl rm
bz2.py	11969	0644	edit dl rm
calendar.py	26077	0644	edit dl rm
cmd.py	15316	0644	edit dl rm
code.py	13170	0644	edit dl rm
codecs.py	36978	0644	edit dl rm
codeop.py	5828	0644	edit dl rm
colorsys.py	4062	0644	edit dl rm
compileall.py	20665	0644	edit dl rm
configparser.py	53831	0644	edit dl rm
contextlib.py	27801	0644	edit dl rm
contextvars.py	129	0644	edit dl rm
copy.py	8975	0644	edit dl rm
copyreg.py	7614	0644	edit dl rm
cProfile.py	6624	0755	edit dl rm
csv.py	19178	0644	edit dl rm
dataclasses.py	64545	0644	edit dl rm
datetime.py	268	0644	edit dl rm
decimal.py	2798	0644	edit dl rm
difflib.py	83367	0644	edit dl rm
dis.py	40962	0644	edit dl rm
doctest.py	109414	0644	edit dl rm
enum.py	85593	0644	edit dl rm
filecmp.py	10652	0644	edit dl rm
fileinput.py	15717	0644	edit dl rm
fnmatch.py	6180	0644	edit dl rm
fractions.py	40090	0644	edit dl rm
ftplib.py	34735	0644	edit dl rm
functools.py	39123	0644	edit dl rm
genericpath.py	6247	0644	edit dl rm
getopt.py	7488	0644	edit dl rm
getpass.py	6233	0644	edit dl rm
gettext.py	21534	0644	edit dl rm
glob.py	19720	0644	edit dl rm
graphlib.py	9648	0644	edit dl rm
gzip.py	24633	0644	edit dl rm
hashlib.py	9446	0644	edit dl rm
heapq.py	23024	0644	edit dl rm
hmac.py	7716	0644	edit dl rm
imaplib.py	54040	0644	edit dl rm
inspect.py	128276	0644	edit dl rm
io.py	3582	0644	edit dl rm
ipaddress.py	81635	0644	edit dl rm
keyword.py	1073	0644	edit dl rm
LICENSE.txt	13809	0644	edit dl rm
linecache.py	7284	0644	edit dl rm
locale.py	79033	0644	edit dl rm
lzma.py	13399	0644	edit dl rm
mailbox.py	81644	0644	edit dl rm
mimetypes.py	23851	0644	edit dl rm
modulefinder.py	23792	0644	edit dl rm
netrc.py	7031	0644	edit dl rm
ntpath.py	32806	0644	edit dl rm
nturl2path.py	2374	0644	edit dl rm
numbers.py	11769	0644	edit dl rm
opcode.py	2825	0644	edit dl rm
operator.py	10980	0644	edit dl rm
optparse.py	60369	0644	edit dl rm
os.py	41627	0644	edit dl rm
pdb.py	90925	0755	edit dl rm
pickle.py	66957	0644	edit dl rm
pickletools.py	94052	0644	edit dl rm
pkgutil.py	18281	0644	edit dl rm
platform.py	47345	0755	edit dl rm
plistlib.py	29794	0644	edit dl rm
poplib.py	14604	0644	edit dl rm
posixpath.py	18360	0644	edit dl rm
pprint.py	24158	0644	edit dl rm
profile.py	23140	0755	edit dl rm
pstats.py	29296	0644	edit dl rm
pty.py	6137	0644	edit dl rm
pyclbr.py	11396	0644	edit dl rm
pydoc.py	110064	0755	edit dl rm
py_compile.py	7837	0644	edit dl rm
queue.py	13455	0644	edit dl rm
quopri.py	7184	0755	edit dl rm
random.py	37006	0644	edit dl rm
reprlib.py	8068	0644	edit dl rm
rlcompleter.py	7918	0644	edit dl rm
runpy.py	12885	0644	edit dl rm
sched.py	6351	0644	edit dl rm
secrets.py	1984	0644	edit dl rm
selectors.py	19457	0644	edit dl rm
shelve.py	8810	0644	edit dl rm
shlex.py	13353	0644	edit dl rm
shutil.py	57463	0644	edit dl rm
signal.py	2495	0644	edit dl rm
site.py	25568	0644	edit dl rm
smtplib.py	43532	0755	edit dl rm
socket.py	37759	0644	edit dl rm
socketserver.py	28065	0644	edit dl rm
sre_compile.py	231	0644	edit dl rm
sre_constants.py	232	0644	edit dl rm
sre_parse.py	229	0644	edit dl rm
ssl.py	52706	0644	edit dl rm
stat.py	6147	0644	edit dl rm
statistics.py	61831	0644	edit dl rm
string.py	11786	0644	edit dl rm
stringprep.py	12917	0644	edit dl rm
struct.py	257	0644	edit dl rm
subprocess.py	89486	0644	edit dl rm
symtable.py	14207	0644	edit dl rm
tabnanny.py	11532	0755	edit dl rm
tarfile.py	114239	0755	edit dl rm
tempfile.py	32406	0644	edit dl rm
textwrap.py	19939	0644	edit dl rm
this.py	1003	0644	edit dl rm
threading.py	55300	0644	edit dl rm
timeit.py	13464	0755	edit dl rm
token.py	2489	0644	edit dl rm
tokenize.py	21568	0644	edit dl rm
trace.py	29714	0755	edit dl rm
traceback.py	66524	0644	edit dl rm
tracemalloc.py	18047	0644	edit dl rm
tty.py	2035	0644	edit dl rm
turtle.py	145215	0644	edit dl rm
types.py	11207	0644	edit dl rm
typing.py	132718	0644	edit dl rm
uuid.py	29458	0644	edit dl rm
warnings.py	26948	0644	edit dl rm
wave.py	23254	0644	edit dl rm
weakref.py	21513	0644	edit dl rm
webbrowser.py	24285	0755	edit dl rm
zipapp.py	8618	0644	edit dl rm
zipimport.py	32890	0644	edit dl rm
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_apple_support.py	2256	0644	edit dl rm
_collections_abc.py	32264	0644	edit dl rm
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_compat_pickle.py	8735	0644	edit dl rm
_compression.py	5681	0644	edit dl rm
_ios_support.py	2672	0644	edit dl rm
_markupbase.py	14653	0644	edit dl rm
_opcode_metadata.py	9265	0644	edit dl rm
_osx_support.py	22023	0644	edit dl rm
_pydatetime.py	91983	0644	edit dl rm
_pydecimal.py	227286	0644	edit dl rm
_pyio.py	93693	0644	edit dl rm
_pylong.py	11830	0644	edit dl rm
_py_abc.py	6189	0644	edit dl rm
_sitebuiltins.py	3128	0644	edit dl rm
_strptime.py	34734	0644	edit dl rm
_sysconfigdata__linux_x86_64-linux-gnu.py	45021	0644	edit dl rm
_threading_local.py	4363	0644	edit dl rm
_weakrefset.py	5893	0644	edit dl rm
__future__.py	5218	0644	edit dl rm
__hello__.py	227	0644	edit dl rm

Edit: /opt/imh/python3.13/lib/python3.13/dis.py (40962B)

"""Disassembler of Python byte code into mnemonics."""

import sys
import types
import collections
import io

from opcode import *
from opcode import (
    __all__ as _opcodes_all,
    _cache_format,
    _inline_cache_entries,
    _nb_ops,
    _intrinsic_1_descs,
    _intrinsic_2_descs,
    _specializations,
    _specialized_opmap,
)

from _opcode import get_executor

__all__ = ["code_info", "dis", "disassemble", "distb", "disco",
           "findlinestarts", "findlabels", "show_code",
           "get_instructions", "Instruction", "Bytecode"] + _opcodes_all
del _opcodes_all

_have_code = (types.MethodType, types.FunctionType, types.CodeType,
              classmethod, staticmethod, type)

CONVERT_VALUE = opmap['CONVERT_VALUE']

SET_FUNCTION_ATTRIBUTE = opmap['SET_FUNCTION_ATTRIBUTE']
FUNCTION_ATTR_FLAGS = ('defaults', 'kwdefaults', 'annotations', 'closure')

ENTER_EXECUTOR = opmap['ENTER_EXECUTOR']
LOAD_CONST = opmap['LOAD_CONST']
RETURN_CONST = opmap['RETURN_CONST']
LOAD_GLOBAL = opmap['LOAD_GLOBAL']
BINARY_OP = opmap['BINARY_OP']
JUMP_BACKWARD = opmap['JUMP_BACKWARD']
FOR_ITER = opmap['FOR_ITER']
SEND = opmap['SEND']
LOAD_ATTR = opmap['LOAD_ATTR']
LOAD_SUPER_ATTR = opmap['LOAD_SUPER_ATTR']
CALL_INTRINSIC_1 = opmap['CALL_INTRINSIC_1']
CALL_INTRINSIC_2 = opmap['CALL_INTRINSIC_2']
LOAD_FAST_LOAD_FAST = opmap['LOAD_FAST_LOAD_FAST']
STORE_FAST_LOAD_FAST = opmap['STORE_FAST_LOAD_FAST']
STORE_FAST_STORE_FAST = opmap['STORE_FAST_STORE_FAST']

CACHE = opmap["CACHE"]

_all_opname = list(opname)
_all_opmap = dict(opmap)
for name, op in _specialized_opmap.items():
    # fill opname and opmap
    assert op < len(_all_opname)
    _all_opname[op] = name
    _all_opmap[name] = op

deoptmap = {
    specialized: base for base, family in _specializations.items() for specialized in family
}

def _try_compile(source, name):
    """Attempts to compile the given source, first as an expression and
       then as a statement if the first approach fails.

Utility function to accept strings in functions that otherwise
       expect code objects
    """
    try:
        return compile(source, name, 'eval')
    except SyntaxError:
        pass
    return compile(source, name, 'exec')

def dis(x=None, *, file=None, depth=None, show_caches=False, adaptive=False,
        show_offsets=False):
    """Disassemble classes, methods, functions, and other compiled objects.

With no argument, disassemble the last traceback.

Compiled objects currently include generator objects, async generator
    objects, and coroutine objects, all of which store their code object
    in a special attribute.
    """
    if x is None:
        distb(file=file, show_caches=show_caches, adaptive=adaptive,
              show_offsets=show_offsets)
        return
    # Extract functions from methods.
    if hasattr(x, '__func__'):
        x = x.__func__
    # Extract compiled code objects from...
    if hasattr(x, '__code__'):  # ...a function, or
        x = x.__code__
    elif hasattr(x, 'gi_code'):  #...a generator object, or
        x = x.gi_code
    elif hasattr(x, 'ag_code'):  #...an asynchronous generator object, or
        x = x.ag_code
    elif hasattr(x, 'cr_code'):  #...a coroutine.
        x = x.cr_code
    # Perform the disassembly.
    if hasattr(x, '__dict__'):  # Class or module
        items = sorted(x.__dict__.items())
        for name, x1 in items:
            if isinstance(x1, _have_code):
                print("Disassembly of %s:" % name, file=file)
                try:
                    dis(x1, file=file, depth=depth, show_caches=show_caches, adaptive=adaptive, show_offsets=show_offsets)
                except TypeError as msg:
                    print("Sorry:", msg, file=file)
                print(file=file)
    elif hasattr(x, 'co_code'): # Code object
        _disassemble_recursive(x, file=file, depth=depth, show_caches=show_caches, adaptive=adaptive, show_offsets=show_offsets)
    elif isinstance(x, (bytes, bytearray)): # Raw bytecode
        labels_map = _make_labels_map(x)
        label_width = 4 + len(str(len(labels_map)))
        formatter = Formatter(file=file,
                              offset_width=len(str(max(len(x) - 2, 9999))) if show_offsets else 0,
                              label_width=label_width,
                              show_caches=show_caches)
        arg_resolver = ArgResolver(labels_map=labels_map)
        _disassemble_bytes(x, arg_resolver=arg_resolver, formatter=formatter)
    elif isinstance(x, str):    # Source code
        _disassemble_str(x, file=file, depth=depth, show_caches=show_caches, adaptive=adaptive, show_offsets=show_offsets)
    else:
        raise TypeError("don't know how to disassemble %s objects" %
                        type(x).__name__)

def distb(tb=None, *, file=None, show_caches=False, adaptive=False, show_offsets=False):
    """Disassemble a traceback (default: last traceback)."""
    if tb is None:
        try:
            if hasattr(sys, 'last_exc'):
                tb = sys.last_exc.__traceback__
            else:
                tb = sys.last_traceback
        except AttributeError:
            raise RuntimeError("no last traceback to disassemble") from None
        while tb.tb_next: tb = tb.tb_next
    disassemble(tb.tb_frame.f_code, tb.tb_lasti, file=file, show_caches=show_caches, adaptive=adaptive, show_offsets=show_offsets)

# The inspect module interrogates this dictionary to build its
# list of CO_* constants. It is also used by pretty_flags to
# turn the co_flags field into a human readable list.
COMPILER_FLAG_NAMES = {
     1: "OPTIMIZED",
     2: "NEWLOCALS",
     4: "VARARGS",
     8: "VARKEYWORDS",
    16: "NESTED",
    32: "GENERATOR",
    64: "NOFREE",
   128: "COROUTINE",
   256: "ITERABLE_COROUTINE",
   512: "ASYNC_GENERATOR",
}

def pretty_flags(flags):
    """Return pretty representation of code flags."""
    names = []
    for i in range(32):
        flag = 1<<i
        if flags & flag:
            names.append(COMPILER_FLAG_NAMES.get(flag, hex(flag)))
            flags ^= flag
            if not flags:
                break
    else:
        names.append(hex(flags))
    return ", ".join(names)

class _Unknown:
    def __repr__(self):
        return "<unknown>"

# Sentinel to represent values that cannot be calculated
UNKNOWN = _Unknown()

def _get_code_object(x):
    """Helper to handle methods, compiled or raw code objects, and strings."""
    # Extract functions from methods.
    if hasattr(x, '__func__'):
        x = x.__func__
    # Extract compiled code objects from...
    if hasattr(x, '__code__'):  # ...a function, or
        x = x.__code__
    elif hasattr(x, 'gi_code'):  #...a generator object, or
        x = x.gi_code
    elif hasattr(x, 'ag_code'):  #...an asynchronous generator object, or
        x = x.ag_code
    elif hasattr(x, 'cr_code'):  #...a coroutine.
        x = x.cr_code
    # Handle source code.
    if isinstance(x, str):
        x = _try_compile(x, "<disassembly>")
    # By now, if we don't have a code object, we can't disassemble x.
    if hasattr(x, 'co_code'):
        return x
    raise TypeError("don't know how to disassemble %s objects" %
                    type(x).__name__)

def _deoptop(op):
    name = _all_opname[op]
    return _all_opmap[deoptmap[name]] if name in deoptmap else op

def _get_code_array(co, adaptive):
    if adaptive:
        code = co._co_code_adaptive
        res = []
        found = False
        for i in range(0, len(code), 2):
            op, arg = code[i], code[i+1]
            if op == ENTER_EXECUTOR:
                try:
                    ex = get_executor(co, i)
                except (ValueError, RuntimeError):
                    ex = None

if ex:
                    op, arg = ex.get_opcode(), ex.get_oparg()
                    found = True

res.append(op.to_bytes())
            res.append(arg.to_bytes())
        return code if not found else b''.join(res)
    else:
        return co.co_code

def code_info(x):
    """Formatted details of methods, functions, or code."""
    return _format_code_info(_get_code_object(x))

def _format_code_info(co):
    lines = []
    lines.append("Name:              %s" % co.co_name)
    lines.append("Filename:          %s" % co.co_filename)
    lines.append("Argument count:    %s" % co.co_argcount)
    lines.append("Positional-only arguments: %s" % co.co_posonlyargcount)
    lines.append("Kw-only arguments: %s" % co.co_kwonlyargcount)
    lines.append("Number of locals:  %s" % co.co_nlocals)
    lines.append("Stack size:        %s" % co.co_stacksize)
    lines.append("Flags:             %s" % pretty_flags(co.co_flags))
    if co.co_consts:
        lines.append("Constants:")
        for i_c in enumerate(co.co_consts):
            lines.append("%4d: %r" % i_c)
    if co.co_names:
        lines.append("Names:")
        for i_n in enumerate(co.co_names):
            lines.append("%4d: %s" % i_n)
    if co.co_varnames:
        lines.append("Variable names:")
        for i_n in enumerate(co.co_varnames):
            lines.append("%4d: %s" % i_n)
    if co.co_freevars:
        lines.append("Free variables:")
        for i_n in enumerate(co.co_freevars):
            lines.append("%4d: %s" % i_n)
    if co.co_cellvars:
        lines.append("Cell variables:")
        for i_n in enumerate(co.co_cellvars):
            lines.append("%4d: %s" % i_n)
    return "\n".join(lines)

def show_code(co, *, file=None):
    """Print details of methods, functions, or code to *file*.

If *file* is not provided, the output is printed on stdout.
    """
    print(code_info(co), file=file)

Positions = collections.namedtuple(
    'Positions',
    [
        'lineno',
        'end_lineno',
        'col_offset',
        'end_col_offset',
    ],
    defaults=[None] * 4
)

_Instruction = collections.namedtuple(
    "_Instruction",
    [
        'opname',
        'opcode',
        'arg',
        'argval',
        'argrepr',
        'offset',
        'start_offset',
        'starts_line',
        'line_number',
        'label',
        'positions',
        'cache_info',
    ],
    defaults=[None, None, None]
)

_Instruction.opname.__doc__ = "Human readable name for operation"
_Instruction.opcode.__doc__ = "Numeric code for operation"
_Instruction.arg.__doc__ = "Numeric argument to operation (if any), otherwise None"
_Instruction.argval.__doc__ = "Resolved arg value (if known), otherwise same as arg"
_Instruction.argrepr.__doc__ = "Human readable description of operation argument"
_Instruction.offset.__doc__ = "Start index of operation within bytecode sequence"
_Instruction.start_offset.__doc__ = (
    "Start index of operation within bytecode sequence, including extended args if present; "
    "otherwise equal to Instruction.offset"
)
_Instruction.starts_line.__doc__ = "True if this opcode starts a source line, otherwise False"
_Instruction.line_number.__doc__ = "source line number associated with this opcode (if any), otherwise None"
_Instruction.label.__doc__ = "A label (int > 0) if this instruction is a jump target, otherwise None"
_Instruction.positions.__doc__ = "dis.Positions object holding the span of source code covered by this instruction"
_Instruction.cache_info.__doc__ = "list of (name, size, data), one for each cache entry of the instruction"

_ExceptionTableEntryBase = collections.namedtuple("_ExceptionTableEntryBase",
    "start end target depth lasti")

class _ExceptionTableEntry(_ExceptionTableEntryBase):
    pass

_OPNAME_WIDTH = 20
_OPARG_WIDTH = 5

def _get_cache_size(opname):
    return _inline_cache_entries.get(opname, 0)

def _get_jump_target(op, arg, offset):
    """Gets the bytecode offset of the jump target if this is a jump instruction.

Otherwise return None.
    """
    deop = _deoptop(op)
    caches = _get_cache_size(_all_opname[deop])
    if deop in hasjrel:
        if _is_backward_jump(deop):
            arg = -arg
        target = offset + 2 + arg*2
        target += 2 * caches
    elif deop in hasjabs:
        target = arg*2
    else:
        target = None
    return target

class Instruction(_Instruction):
    """Details for a bytecode operation.

Defined fields:
         opname - human readable name for operation
         opcode - numeric code for operation
         arg - numeric argument to operation (if any), otherwise None
         argval - resolved arg value (if known), otherwise same as arg
         argrepr - human readable description of operation argument
         offset - start index of operation within bytecode sequence
         start_offset - start index of operation within bytecode sequence including extended args if present;
                        otherwise equal to Instruction.offset
         starts_line - True if this opcode starts a source line, otherwise False
         line_number - source line number associated with this opcode (if any), otherwise None
         label - A label if this instruction is a jump target, otherwise None
         positions - Optional dis.Positions object holding the span of source code
                     covered by this instruction
         cache_info - information about the format and content of the instruction's cache
                        entries (if any)
    """

@property
    def oparg(self):
        """Alias for Instruction.arg."""
        return self.arg

@property
    def baseopcode(self):
        """Numeric code for the base operation if operation is specialized.

Otherwise equal to Instruction.opcode.
        """
        return _deoptop(self.opcode)

@property
    def baseopname(self):
        """Human readable name for the base operation if operation is specialized.

Otherwise equal to Instruction.opname.
        """
        return opname[self.baseopcode]

@property
    def cache_offset(self):
        """Start index of the cache entries following the operation."""
        return self.offset + 2

@property
    def end_offset(self):
        """End index of the cache entries following the operation."""
        return self.cache_offset + _get_cache_size(_all_opname[self.opcode])*2

@property
    def jump_target(self):
        """Bytecode index of the jump target if this is a jump operation.

Otherwise return None.
        """
        return _get_jump_target(self.opcode, self.arg, self.offset)

@property
    def is_jump_target(self):
        """True if other code jumps to here, otherwise False"""
        return self.label is not None

def __str__(self):
        output = io.StringIO()
        formatter = Formatter(file=output)
        formatter.print_instruction(self, False)
        return output.getvalue()

class Formatter:

def __init__(self, file=None, lineno_width=0, offset_width=0, label_width=0,
                       line_offset=0, show_caches=False):
        """Create a Formatter

*file* where to write the output
        *lineno_width* sets the width of the line number field (0 omits it)
        *offset_width* sets the width of the instruction offset field
        *label_width* sets the width of the label field
        *show_caches* is a boolean indicating whether to display cache lines

"""
        self.file = file
        self.lineno_width = lineno_width
        self.offset_width = offset_width
        self.label_width = label_width
        self.show_caches = show_caches

def print_instruction(self, instr, mark_as_current=False):
        self.print_instruction_line(instr, mark_as_current)
        if self.show_caches and instr.cache_info:
            offset = instr.offset
            for name, size, data in instr.cache_info:
                for i in range(size):
                    offset += 2
                    # Only show the fancy argrepr for a CACHE instruction when it's
                    # the first entry for a particular cache value:
                    if i == 0:
                        argrepr = f"{name}: {int.from_bytes(data, sys.byteorder)}"
                    else:
                        argrepr = ""
                    self.print_instruction_line(
                        Instruction("CACHE", CACHE, 0, None, argrepr, offset, offset,
                                    False, None, None, instr.positions),
                        False)

def print_instruction_line(self, instr, mark_as_current):
        """Format instruction details for inclusion in disassembly output."""
        lineno_width = self.lineno_width
        offset_width = self.offset_width
        label_width = self.label_width

new_source_line = (lineno_width > 0 and
                           instr.starts_line and
                           instr.offset > 0)
        if new_source_line:
            print(file=self.file)

fields = []
        # Column: Source code line number
        if lineno_width:
            if instr.starts_line:
                lineno_fmt = "%%%dd" if instr.line_number is not None else "%%%ds"
                lineno_fmt = lineno_fmt % lineno_width
                lineno = _NO_LINENO if instr.line_number is None else instr.line_number
                fields.append(lineno_fmt % lineno)
            else:
                fields.append(' ' * lineno_width)
        # Column: Label
        if instr.label is not None:
            lbl = f"L{instr.label}:"
            fields.append(f"{lbl:>{label_width}}")
        else:
            fields.append(' ' * label_width)
        # Column: Instruction offset from start of code sequence
        if offset_width > 0:
            fields.append(f"{repr(instr.offset):>{offset_width}}  ")
        # Column: Current instruction indicator
        if mark_as_current:
            fields.append('-->')
        else:
            fields.append('   ')
        # Column: Opcode name
        fields.append(instr.opname.ljust(_OPNAME_WIDTH))
        # Column: Opcode argument
        if instr.arg is not None:
            arg = repr(instr.arg)
            # If opname is longer than _OPNAME_WIDTH, we allow it to overflow into
            # the space reserved for oparg. This results in fewer misaligned opargs
            # in the disassembly output.
            opname_excess = max(0, len(instr.opname) - _OPNAME_WIDTH)
            fields.append(repr(instr.arg).rjust(_OPARG_WIDTH - opname_excess))
            # Column: Opcode argument details
            if instr.argrepr:
                fields.append('(' + instr.argrepr + ')')
        print(' '.join(fields).rstrip(), file=self.file)

def print_exception_table(self, exception_entries):
        file = self.file
        if exception_entries:
            print("ExceptionTable:", file=file)
            for entry in exception_entries:
                lasti = " lasti" if entry.lasti else ""
                start = entry.start_label
                end = entry.end_label
                target = entry.target_label
                print(f"  L{start} to L{end} -> L{target} [{entry.depth}]{lasti}", file=file)

class ArgResolver:
    def __init__(self, co_consts=None, names=None, varname_from_oparg=None, labels_map=None):
        self.co_consts = co_consts
        self.names = names
        self.varname_from_oparg = varname_from_oparg
        self.labels_map = labels_map or {}

def offset_from_jump_arg(self, op, arg, offset):
        deop = _deoptop(op)
        if deop in hasjabs:
            return arg * 2
        elif deop in hasjrel:
            signed_arg = -arg if _is_backward_jump(deop) else arg
            argval = offset + 2 + signed_arg*2
            caches = _get_cache_size(_all_opname[deop])
            argval += 2 * caches
            return argval
        return None

def get_label_for_offset(self, offset):
        return self.labels_map.get(offset, None)

def get_argval_argrepr(self, op, arg, offset):
        get_name = None if self.names is None else self.names.__getitem__
        argval = None
        argrepr = ''
        deop = _deoptop(op)
        if arg is not None:
            #  Set argval to the dereferenced value of the argument when
            #  available, and argrepr to the string representation of argval.
            #    _disassemble_bytes needs the string repr of the
            #    raw name index for LOAD_GLOBAL, LOAD_CONST, etc.
            argval = arg
            if deop in hasconst:
                argval, argrepr = _get_const_info(deop, arg, self.co_consts)
            elif deop in hasname:
                if deop == LOAD_GLOBAL:
                    argval, argrepr = _get_name_info(arg//2, get_name)
                    if (arg & 1) and argrepr:
                        argrepr = f"{argrepr} + NULL"
                elif deop == LOAD_ATTR:
                    argval, argrepr = _get_name_info(arg//2, get_name)
                    if (arg & 1) and argrepr:
                        argrepr = f"{argrepr} + NULL|self"
                elif deop == LOAD_SUPER_ATTR:
                    argval, argrepr = _get_name_info(arg//4, get_name)
                    if (arg & 1) and argrepr:
                        argrepr = f"{argrepr} + NULL|self"
                else:
                    argval, argrepr = _get_name_info(arg, get_name)
            elif deop in hasjump or deop in hasexc:
                argval = self.offset_from_jump_arg(op, arg, offset)
                lbl = self.get_label_for_offset(argval)
                assert lbl is not None
                argrepr = f"to L{lbl}"
            elif deop in (LOAD_FAST_LOAD_FAST, STORE_FAST_LOAD_FAST, STORE_FAST_STORE_FAST):
                arg1 = arg >> 4
                arg2 = arg & 15
                val1, argrepr1 = _get_name_info(arg1, self.varname_from_oparg)
                val2, argrepr2 = _get_name_info(arg2, self.varname_from_oparg)
                argrepr = argrepr1 + ", " + argrepr2
                argval = val1, val2
            elif deop in haslocal or deop in hasfree:
                argval, argrepr = _get_name_info(arg, self.varname_from_oparg)
            elif deop in hascompare:
                argval = cmp_op[arg >> 5]
                argrepr = argval
                if arg & 16:
                    argrepr = f"bool({argrepr})"
            elif deop == CONVERT_VALUE:
                argval = (None, str, repr, ascii)[arg]
                argrepr = ('', 'str', 'repr', 'ascii')[arg]
            elif deop == SET_FUNCTION_ATTRIBUTE:
                argrepr = ', '.join(s for i, s in enumerate(FUNCTION_ATTR_FLAGS)
                                    if arg & (1<<i))
            elif deop == BINARY_OP:
                _, argrepr = _nb_ops[arg]
            elif deop == CALL_INTRINSIC_1:
                argrepr = _intrinsic_1_descs[arg]
            elif deop == CALL_INTRINSIC_2:
                argrepr = _intrinsic_2_descs[arg]
        return argval, argrepr

def get_instructions(x, *, first_line=None, show_caches=None, adaptive=False):
    """Iterator for the opcodes in methods, functions or code

Generates a series of Instruction named tuples giving the details of
    each operations in the supplied code.

If *first_line* is not None, it indicates the line number that should
    be reported for the first source line in the disassembled code.
    Otherwise, the source line information (if any) is taken directly from
    the disassembled code object.
    """
    co = _get_code_object(x)
    linestarts = dict(findlinestarts(co))
    if first_line is not None:
        line_offset = first_line - co.co_firstlineno
    else:
        line_offset = 0

original_code = co.co_code
    arg_resolver = ArgResolver(co_consts=co.co_consts,
                               names=co.co_names,
                               varname_from_oparg=co._varname_from_oparg,
                               labels_map=_make_labels_map(original_code))
    return _get_instructions_bytes(_get_code_array(co, adaptive),
                                   linestarts=linestarts,
                                   line_offset=line_offset,
                                   co_positions=co.co_positions(),
                                   original_code=original_code,
                                   arg_resolver=arg_resolver)

def _get_const_value(op, arg, co_consts):
    """Helper to get the value of the const in a hasconst op.

Returns the dereferenced constant if this is possible.
       Otherwise (if it is a LOAD_CONST and co_consts is not
       provided) returns the dis.UNKNOWN sentinel.
    """
    assert op in hasconst

argval = UNKNOWN
    if co_consts is not None:
        argval = co_consts[arg]
    return argval

def _get_const_info(op, arg, co_consts):
    """Helper to get optional details about const references

Returns the dereferenced constant and its repr if the value
       can be calculated.
       Otherwise returns the sentinel value dis.UNKNOWN for the value
       and an empty string for its repr.
    """
    argval = _get_const_value(op, arg, co_consts)
    argrepr = repr(argval) if argval is not UNKNOWN else ''
    return argval, argrepr

def _get_name_info(name_index, get_name, **extrainfo):
    """Helper to get optional details about named references

Returns the dereferenced name as both value and repr if the name
       list is defined.
       Otherwise returns the sentinel value dis.UNKNOWN for the value
       and an empty string for its repr.
    """
    if get_name is not None:
        argval = get_name(name_index, **extrainfo)
        return argval, argval
    else:
        return UNKNOWN, ''

def _parse_varint(iterator):
    b = next(iterator)
    val = b & 63
    while b&64:
        val <<= 6
        b = next(iterator)
        val |= b&63
    return val

def _parse_exception_table(code):
    iterator = iter(code.co_exceptiontable)
    entries = []
    try:
        while True:
            start = _parse_varint(iterator)*2
            length = _parse_varint(iterator)*2
            end = start + length
            target = _parse_varint(iterator)*2
            dl = _parse_varint(iterator)
            depth = dl >> 1
            lasti = bool(dl&1)
            entries.append(_ExceptionTableEntry(start, end, target, depth, lasti))
    except StopIteration:
        return entries

def _is_backward_jump(op):
    return opname[op] in ('JUMP_BACKWARD',
                          'JUMP_BACKWARD_NO_INTERRUPT')

def _get_instructions_bytes(code, linestarts=None, line_offset=0, co_positions=None,
                            original_code=None, arg_resolver=None):
    """Iterate over the instructions in a bytecode string.

Generates a sequence of Instruction namedtuples giving the details of each
    opcode.

"""
    # Use the basic, unadaptive code for finding labels and actually walking the
    # bytecode, since replacements like ENTER_EXECUTOR and INSTRUMENTED_* can
    # mess that logic up pretty badly:
    original_code = original_code or code
    co_positions = co_positions or iter(())

starts_line = False
    local_line_number = None
    line_number = None
    for offset, start_offset, op, arg in _unpack_opargs(original_code):
        if linestarts is not None:
            starts_line = offset in linestarts
            if starts_line:
                local_line_number = linestarts[offset]
            if local_line_number is not None:
                line_number = local_line_number + line_offset
            else:
                line_number = None
        positions = Positions(*next(co_positions, ()))
        deop = _deoptop(op)
        op = code[offset]

if arg_resolver:
            argval, argrepr = arg_resolver.get_argval_argrepr(op, arg, offset)
        else:
            argval, argrepr = arg, repr(arg)

caches = _get_cache_size(_all_opname[deop])
        # Advance the co_positions iterator:
        for _ in range(caches):
            next(co_positions, ())

if caches:
            cache_info = []
            for name, size in _cache_format[opname[deop]].items():
                data = code[offset + 2: offset + 2 + 2 * size]
                cache_info.append((name, size, data))
        else:
            cache_info = None

label = arg_resolver.get_label_for_offset(offset) if arg_resolver else None
        yield Instruction(_all_opname[op], op, arg, argval, argrepr,
                          offset, start_offset, starts_line, line_number,
                          label, positions, cache_info)

def disassemble(co, lasti=-1, *, file=None, show_caches=False, adaptive=False,
                show_offsets=False):
    """Disassemble a code object."""
    linestarts = dict(findlinestarts(co))
    exception_entries = _parse_exception_table(co)
    labels_map = _make_labels_map(co.co_code, exception_entries=exception_entries)
    label_width = 4 + len(str(len(labels_map)))
    formatter = Formatter(file=file,
                          lineno_width=_get_lineno_width(linestarts),
                          offset_width=len(str(max(len(co.co_code) - 2, 9999))) if show_offsets else 0,
                          label_width=label_width,
                          show_caches=show_caches)
    arg_resolver = ArgResolver(co_consts=co.co_consts,
                               names=co.co_names,
                               varname_from_oparg=co._varname_from_oparg,
                               labels_map=labels_map)
    _disassemble_bytes(_get_code_array(co, adaptive), lasti, linestarts,
                       exception_entries=exception_entries, co_positions=co.co_positions(),
                       original_code=co.co_code, arg_resolver=arg_resolver, formatter=formatter)

def _disassemble_recursive(co, *, file=None, depth=None, show_caches=False, adaptive=False, show_offsets=False):
    disassemble(co, file=file, show_caches=show_caches, adaptive=adaptive, show_offsets=show_offsets)
    if depth is None or depth > 0:
        if depth is not None:
            depth = depth - 1
        for x in co.co_consts:
            if hasattr(x, 'co_code'):
                print(file=file)
                print("Disassembly of %r:" % (x,), file=file)
                _disassemble_recursive(
                    x, file=file, depth=depth, show_caches=show_caches,
                    adaptive=adaptive, show_offsets=show_offsets
                )

def _make_labels_map(original_code, exception_entries=()):
    jump_targets = set(findlabels(original_code))
    labels = set(jump_targets)
    for start, end, target, _, _ in exception_entries:
        labels.add(start)
        labels.add(end)
        labels.add(target)
    labels = sorted(labels)
    labels_map = {offset: i+1 for (i, offset) in enumerate(sorted(labels))}
    for e in exception_entries:
        e.start_label = labels_map[e.start]
        e.end_label = labels_map[e.end]
        e.target_label = labels_map[e.target]
    return labels_map

_NO_LINENO = '  --'

def _get_lineno_width(linestarts):
    if linestarts is None:
        return 0
    maxlineno = max(filter(None, linestarts.values()), default=-1)
    if maxlineno == -1:
        # Omit the line number column entirely if we have no line number info
        return 0
    lineno_width = max(3, len(str(maxlineno)))
    if lineno_width < len(_NO_LINENO) and None in linestarts.values():
        lineno_width = len(_NO_LINENO)
    return lineno_width

def _disassemble_bytes(code, lasti=-1, linestarts=None,
                       *, line_offset=0, exception_entries=(),
                       co_positions=None, original_code=None,
                       arg_resolver=None, formatter=None):

assert formatter is not None
    assert arg_resolver is not None

instrs = _get_instructions_bytes(code, linestarts=linestarts,
                                           line_offset=line_offset,
                                           co_positions=co_positions,
                                           original_code=original_code,
                                           arg_resolver=arg_resolver)

print_instructions(instrs, exception_entries, formatter, lasti=lasti)

def print_instructions(instrs, exception_entries, formatter, lasti=-1):
    for instr in instrs:
        # Each CACHE takes 2 bytes
        is_current_instr = instr.offset <= lasti \
            <= instr.offset + 2 * _get_cache_size(_all_opname[_deoptop(instr.opcode)])
        formatter.print_instruction(instr, is_current_instr)

formatter.print_exception_table(exception_entries)

def _disassemble_str(source, **kwargs):
    """Compile the source string, then disassemble the code object."""
    _disassemble_recursive(_try_compile(source, '<dis>'), **kwargs)

disco = disassemble                     # XXX For backwards compatibility

# Rely on C `int` being 32 bits for oparg
_INT_BITS = 32
# Value for c int when it overflows
_INT_OVERFLOW = 2 ** (_INT_BITS - 1)

def _unpack_opargs(code):
    extended_arg = 0
    extended_args_offset = 0  # Number of EXTENDED_ARG instructions preceding the current instruction
    caches = 0
    for i in range(0, len(code), 2):
        # Skip inline CACHE entries:
        if caches:
            caches -= 1
            continue
        op = code[i]
        deop = _deoptop(op)
        caches = _get_cache_size(_all_opname[deop])
        if deop in hasarg:
            arg = code[i+1] | extended_arg
            extended_arg = (arg << 8) if deop == EXTENDED_ARG else 0
            # The oparg is stored as a signed integer
            # If the value exceeds its upper limit, it will overflow and wrap
            # to a negative integer
            if extended_arg >= _INT_OVERFLOW:
                extended_arg -= 2 * _INT_OVERFLOW
        else:
            arg = None
            extended_arg = 0
        if deop == EXTENDED_ARG:
            extended_args_offset += 1
            yield (i, i, op, arg)
        else:
            start_offset = i - extended_args_offset*2
            yield (i, start_offset, op, arg)
            extended_args_offset = 0

def findlabels(code):
    """Detect all offsets in a byte code which are jump targets.

Return the list of offsets.

"""
    labels = []
    for offset, _, op, arg in _unpack_opargs(code):
        if arg is not None:
            label = _get_jump_target(op, arg, offset)
            if label is None:
                continue
            if label not in labels:
                labels.append(label)
    return labels

def findlinestarts(code):
    """Find the offsets in a byte code which are start of lines in the source.

Generate pairs (offset, lineno)
    lineno will be an integer or None the offset does not have a source line.
    """

lastline = False # None is a valid line number
    for start, end, line in code.co_lines():
        if line is not lastline:
            lastline = line
            yield start, line
    return

def _find_imports(co):
    """Find import statements in the code

Generate triplets (name, level, fromlist) where
    name is the imported module and level, fromlist are
    the corresponding args to __import__.
    """
    IMPORT_NAME = opmap['IMPORT_NAME']

consts = co.co_consts
    names = co.co_names
    opargs = [(op, arg) for _, _, op, arg in _unpack_opargs(co.co_code)
                  if op != EXTENDED_ARG]
    for i, (op, oparg) in enumerate(opargs):
        if op == IMPORT_NAME and i >= 2:
            from_op = opargs[i-1]
            level_op = opargs[i-2]
            if (from_op[0] in hasconst and level_op[0] in hasconst):
                level = _get_const_value(level_op[0], level_op[1], consts)
                fromlist = _get_const_value(from_op[0], from_op[1], consts)
                yield (names[oparg], level, fromlist)

def _find_store_names(co):
    """Find names of variables which are written in the code

Generate sequence of strings
    """
    STORE_OPS = {
        opmap['STORE_NAME'],
        opmap['STORE_GLOBAL']
    }

names = co.co_names
    for _, _, op, arg in _unpack_opargs(co.co_code):
        if op in STORE_OPS:
            yield names[arg]

class Bytecode:
    """The bytecode operations of a piece of code

Instantiate this with a function, method, other compiled object, string of
    code, or a code object (as returned by compile()).

Iterating over this yields the bytecode operations as Instruction instances.
    """
    def __init__(self, x, *, first_line=None, current_offset=None, show_caches=False, adaptive=False, show_offsets=False):
        self.codeobj = co = _get_code_object(x)
        if first_line is None:
            self.first_line = co.co_firstlineno
            self._line_offset = 0
        else:
            self.first_line = first_line
            self._line_offset = first_line - co.co_firstlineno
        self._linestarts = dict(findlinestarts(co))
        self._original_object = x
        self.current_offset = current_offset
        self.exception_entries = _parse_exception_table(co)
        self.show_caches = show_caches
        self.adaptive = adaptive
        self.show_offsets = show_offsets

def __iter__(self):
        co = self.codeobj
        original_code = co.co_code
        labels_map = _make_labels_map(original_code, self.exception_entries)
        arg_resolver = ArgResolver(co_consts=co.co_consts,
                                   names=co.co_names,
                                   varname_from_oparg=co._varname_from_oparg,
                                   labels_map=labels_map)
        return _get_instructions_bytes(_get_code_array(co, self.adaptive),
                                       linestarts=self._linestarts,
                                       line_offset=self._line_offset,
                                       co_positions=co.co_positions(),
                                       original_code=original_code,
                                       arg_resolver=arg_resolver)

def __repr__(self):
        return "{}({!r})".format(self.__class__.__name__,
                                 self._original_object)

@classmethod
    def from_traceback(cls, tb, *, show_caches=False, adaptive=False):
        """ Construct a Bytecode from the given traceback """
        while tb.tb_next:
            tb = tb.tb_next
        return cls(
            tb.tb_frame.f_code, current_offset=tb.tb_lasti, show_caches=show_caches, adaptive=adaptive
        )

def info(self):
        """Return formatted information about the code object."""
        return _format_code_info(self.codeobj)

def dis(self):
        """Return a formatted view of the bytecode operations."""
        co = self.codeobj
        if self.current_offset is not None:
            offset = self.current_offset
        else:
            offset = -1
        with io.StringIO() as output:
            code = _get_code_array(co, self.adaptive)
            offset_width = len(str(max(len(code) - 2, 9999))) if self.show_offsets else 0

labels_map = _make_labels_map(co.co_code, self.exception_entries)
            label_width = 4 + len(str(len(labels_map)))
            formatter = Formatter(file=output,
                                  lineno_width=_get_lineno_width(self._linestarts),
                                  offset_width=offset_width,
                                  label_width=label_width,
                                  line_offset=self._line_offset,
                                  show_caches=self.show_caches)

arg_resolver = ArgResolver(co_consts=co.co_consts,
                                       names=co.co_names,
                                       varname_from_oparg=co._varname_from_oparg,
                                       labels_map=labels_map)
            _disassemble_bytes(code,
                               linestarts=self._linestarts,
                               line_offset=self._line_offset,
                               lasti=offset,
                               exception_entries=self.exception_entries,
                               co_positions=co.co_positions(),
                               original_code=co.co_code,
                               arg_resolver=arg_resolver,
                               formatter=formatter)
            return output.getvalue()

def main(args=None):
    import argparse

parser = argparse.ArgumentParser()
    parser.add_argument('-C', '--show-caches', action='store_true',
                        help='show inline caches')
    parser.add_argument('-O', '--show-offsets', action='store_true',
                        help='show instruction offsets')
    parser.add_argument('infile', nargs='?', default='-')
    args = parser.parse_args(args=args)
    if args.infile == '-':
        name = '<stdin>'
        source = sys.stdin.buffer.read()
    else:
        name = args.infile
        with open(args.infile, 'rb') as infile:
            source = infile.read()
    code = compile(source, name, "exec")
    dis(code, show_caches=args.show_caches, show_offsets=args.show_offsets)

if __name__ == "__main__":
    main()

cmd: