Gecko [ dallasfobana2023.variationbd.com ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
collections	[ DIR ]	drwxr-xr-x
concurrent	[ DIR ]	drwxr-xr-x
config-3.3m	[ DIR ]	drwxr-xr-x
ctypes	[ DIR ]	drwxr-xr-x
curses	[ DIR ]	drwxr-xr-x
dbm	[ DIR ]	drwxr-xr-x
distutils	[ DIR ]	drwxr-xr-x
email	[ DIR ]	drwxr-xr-x
encodings	[ DIR ]	drwxr-xr-x
html	[ DIR ]	drwxr-xr-x
http	[ DIR ]	drwxr-xr-x
idlelib	[ DIR ]	drwxr-xr-x
importlib	[ DIR ]	drwxr-xr-x
json	[ DIR ]	drwxr-xr-x
lib-dynload	[ DIR ]	drwxr-xr-x
lib2to3	[ DIR ]	drwxr-xr-x
logging	[ DIR ]	drwxr-xr-x
multiprocessing	[ DIR ]	drwxr-xr-x
plat-linux	[ DIR ]	drwxr-xr-x
pydoc_data	[ DIR ]	drwxr-xr-x
site-packages	[ DIR ]	drwxr-xr-x
sqlite3	[ DIR ]	drwxr-xr-x
test	[ DIR ]	drwxr-xr-x
unittest	[ DIR ]	drwxr-xr-x
urllib	[ DIR ]	drwxr-xr-x
venv	[ DIR ]	drwxr-xr-x
wsgiref	[ DIR ]	drwxr-xr-x
xml	[ DIR ]	drwxr-xr-x
xmlrpc	[ DIR ]	drwxr-xr-x
__future__.py	4.48 KB	-rw-r--r--
__phello__.foo.py	64 B	-rw-r--r--
_compat_pickle.py	4.24 KB	-rw-r--r--
_dummy_thread.py	4.66 KB	-rw-r--r--
_markupbase.py	14.26 KB	-rw-r--r--
_osx_support.py	18.41 KB	-rw-r--r--
_pyio.py	71.2 KB	-rw-r--r--
_strptime.py	21.17 KB	-rw-r--r--
_sysconfigdata.py	22.31 KB	-rw-r--r--
_threading_local.py	7.24 KB	-rw-r--r--
_weakrefset.py	5.57 KB	-rw-r--r--
abc.py	7.87 KB	-rw-r--r--
aifc.py	30.33 KB	-rw-r--r--
antigravity.py	475 B	-rw-r--r--
argparse.py	86.98 KB	-rw-r--r--
ast.py	11.86 KB	-rw-r--r--
asynchat.py	11.32 KB	-rw-r--r--
asyncore.py	20.27 KB	-rw-r--r--
base64.py	13.66 KB	-rwxr-xr-x
bdb.py	21.38 KB	-rw-r--r--
binhex.py	13.39 KB	-rw-r--r--
bisect.py	2.53 KB	-rw-r--r--
bz2.py	18.04 KB	-rw-r--r--
cProfile.py	6.21 KB	-rwxr-xr-x
calendar.py	22.4 KB	-rw-r--r--
cgi.py	34.72 KB	-rwxr-xr-x
cgitb.py	11.76 KB	-rw-r--r--
chunk.py	5.25 KB	-rw-r--r--
cmd.py	14.51 KB	-rw-r--r--
code.py	9.79 KB	-rw-r--r--
codecs.py	35.11 KB	-rw-r--r--
codeop.py	5.85 KB	-rw-r--r--
colorsys.py	3.6 KB	-rw-r--r--
compileall.py	9.51 KB	-rw-r--r--
configparser.py	48.28 KB	-rw-r--r--
contextlib.py	8.91 KB	-rw-r--r--
copy.py	8.78 KB	-rw-r--r--
copyreg.py	6.46 KB	-rw-r--r--
crypt.py	1.83 KB	-rw-r--r--
csv.py	15.81 KB	-rw-r--r--
datetime.py	73.2 KB	-rw-r--r--
decimal.py	223.2 KB	-rw-r--r--
difflib.py	80.58 KB	-rw-r--r--
dis.py	9.9 KB	-rw-r--r--
doctest.py	100.52 KB	-rw-r--r--
dummy_threading.py	2.75 KB	-rw-r--r--
filecmp.py	9.37 KB	-rw-r--r--
fileinput.py	13.92 KB	-rw-r--r--
fnmatch.py	3.09 KB	-rw-r--r--
formatter.py	14.58 KB	-rw-r--r--
fractions.py	22.49 KB	-rw-r--r--
ftplib.py	39.31 KB	-rw-r--r--
functools.py	13.28 KB	-rw-r--r--
genericpath.py	3.02 KB	-rw-r--r--
getopt.py	7.31 KB	-rw-r--r--
getpass.py	5.66 KB	-rw-r--r--
gettext.py	20.15 KB	-rw-r--r--
glob.py	2.77 KB	-rw-r--r--
gzip.py	23.83 KB	-rw-r--r--
hashlib.py	6.05 KB	-rw-r--r--
heapq.py	17.58 KB	-rw-r--r--
hmac.py	4.34 KB	-rw-r--r--
imaplib.py	48.94 KB	-rw-r--r--
imghdr.py	3.45 KB	-rw-r--r--
imp.py	9.5 KB	-rw-r--r--
inspect.py	77.11 KB	-rw-r--r--
io.py	3.2 KB	-rw-r--r--
ipaddress.py	68.66 KB	-rw-r--r--
keyword.py	2.01 KB	-rwxr-xr-x
linecache.py	3.77 KB	-rw-r--r--
locale.py	91.03 KB	-rw-r--r--
lzma.py	17.04 KB	-rw-r--r--
macpath.py	5.49 KB	-rw-r--r--
macurl2path.py	2.67 KB	-rw-r--r--
mailbox.py	77.24 KB	-rw-r--r--
mailcap.py	7.26 KB	-rw-r--r--
mimetypes.py	20.25 KB	-rw-r--r--
modulefinder.py	22.65 KB	-rw-r--r--
netrc.py	5.61 KB	-rw-r--r--
nntplib.py	41.78 KB	-rw-r--r--
ntpath.py	19.96 KB	-rw-r--r--
nturl2path.py	2.34 KB	-rw-r--r--
numbers.py	10.15 KB	-rw-r--r--
opcode.py	4.98 KB	-rw-r--r--
optparse.py	58.93 KB	-rw-r--r--
os.py	33.96 KB	-rw-r--r--
os2emxpath.py	4.55 KB	-rw-r--r--
pdb.py	59.23 KB	-rwxr-xr-x
pickle.py	46.74 KB	-rw-r--r--
pickletools.py	79.44 KB	-rw-r--r--
pipes.py	8.71 KB	-rw-r--r--
pkgutil.py	21.03 KB	-rw-r--r--
platform.py	49.55 KB	-rwxr-xr-x
plistlib.py	14.43 KB	-rw-r--r--
poplib.py	11.11 KB	-rw-r--r--
posixpath.py	13.92 KB	-rw-r--r--
pprint.py	12.4 KB	-rw-r--r--
profile.py	20.95 KB	-rwxr-xr-x
pstats.py	25.75 KB	-rw-r--r--
pty.py	4.94 KB	-rw-r--r--
py_compile.py	6.56 KB	-rw-r--r--
pyclbr.py	13.12 KB	-rw-r--r--
pydoc.py	99.26 KB	-rwxr-xr-x
queue.py	8.63 KB	-rw-r--r--
quopri.py	7.14 KB	-rwxr-xr-x
random.py	25.06 KB	-rw-r--r--
re.py	14.62 KB	-rw-r--r--
reprlib.py	4.99 KB	-rw-r--r--
rlcompleter.py	5.4 KB	-rw-r--r--
runpy.py	10.17 KB	-rw-r--r--
sched.py	6.25 KB	-rw-r--r--
shelve.py	8.05 KB	-rw-r--r--
shlex.py	11.23 KB	-rw-r--r--
shutil.py	38.23 KB	-rw-r--r--
site.py	21.46 KB	-rw-r--r--
smtpd.py	29.5 KB	-rwxr-xr-x
smtplib.py	37.13 KB	-rwxr-xr-x
sndhdr.py	6.07 KB	-rw-r--r--
socket.py	14.56 KB	-rw-r--r--
socketserver.py	23.63 KB	-rw-r--r--
sre_compile.py	15.96 KB	-rw-r--r--
sre_constants.py	7.06 KB	-rw-r--r--
sre_parse.py	29.5 KB	-rw-r--r--
ssl.py	23.9 KB	-rw-r--r--
stat.py	4.2 KB	-rw-r--r--
string.py	9.19 KB	-rw-r--r--
stringprep.py	12.61 KB	-rw-r--r--
struct.py	238 B	-rw-r--r--
subprocess.py	65.99 KB	-rw-r--r--
sunau.py	17.11 KB	-rw-r--r--
symbol.py	2 KB	-rwxr-xr-x
symtable.py	7.21 KB	-rw-r--r--
sysconfig.py	24.58 KB	-rw-r--r--
tabnanny.py	11.14 KB	-rwxr-xr-x
tarfile.py	86.78 KB	-rwxr-xr-x
telnetlib.py	26.71 KB	-rw-r--r--
tempfile.py	22.47 KB	-rw-r--r--
textwrap.py	16.1 KB	-rw-r--r--
this.py	1003 B	-rw-r--r--
threading.py	44.57 KB	-rw-r--r--
timeit.py	12.1 KB	-rwxr-xr-x
token.py	2.96 KB	-rw-r--r--
tokenize.py	24.29 KB	-rw-r--r--
trace.py	30.75 KB	-rwxr-xr-x
traceback.py	11.7 KB	-rw-r--r--
tty.py	879 B	-rw-r--r--
types.py	3.09 KB	-rw-r--r--
uu.py	6.61 KB	-rwxr-xr-x
uuid.py	21.83 KB	-rw-r--r--
warnings.py	13.5 KB	-rw-r--r--
wave.py	18.14 KB	-rw-r--r--
weakref.py	11.23 KB	-rw-r--r--
webbrowser.py	22.38 KB	-rwxr-xr-x
xdrlib.py	5.25 KB	-rw-r--r--
zipfile.py	64.87 KB	-rw-r--r--

Code Editor : dis.py

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

import sys
import types

from opcode import *
from opcode import __all__ as _opcodes_all

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

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

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:
        c = compile(source, name, 'eval')
    except SyntaxError:
        c = compile(source, name, 'exec')
    return c

def dis(x=None):
    """Disassemble classes, methods, functions, or code.

With no argument, disassemble the last traceback.

"""
    if x is None:
        distb()
        return
    if hasattr(x, '__func__'):  # Method
        x = x.__func__
    if hasattr(x, '__code__'):  # Function
        x = x.__code__
    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)
                try:
                    dis(x1)
                except TypeError as msg:
                    print("Sorry:", msg)
                print()
    elif hasattr(x, 'co_code'): # Code object
        disassemble(x)
    elif isinstance(x, (bytes, bytearray)): # Raw bytecode
        _disassemble_bytes(x)
    elif isinstance(x, str):    # Source code
        _disassemble_str(x)
    else:
        raise TypeError("don't know how to disassemble %s objects" %
                        type(x).__name__)

def distb(tb=None):
    """Disassemble a traceback (default: last traceback)."""
    if tb is None:
        try:
            tb = sys.last_traceback
        except AttributeError:
            raise RuntimeError("no last traceback to disassemble")
        while tb.tb_next: tb = tb.tb_next
    disassemble(tb.tb_frame.f_code, tb.tb_lasti)

# 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",
}

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)

def code_info(x):
    """Formatted details of methods, functions, or code."""
    if hasattr(x, '__func__'): # Method
        x = x.__func__
    if hasattr(x, '__code__'): # Function
        x = x.__code__
    if isinstance(x, str):     # Source code
        x = _try_compile(x, "<code_info>")
    if hasattr(x, 'co_code'):  # Code object
        return _format_code_info(x)
    else:
        raise TypeError("don't know how to disassemble %s objects" %
                        type(x).__name__)

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("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):
    """Print details of methods, functions, or code to stdout."""
    print(code_info(co))

def disassemble(co, lasti=-1):
    """Disassemble a code object."""
    code = co.co_code
    labels = findlabels(code)
    linestarts = dict(findlinestarts(co))
    n = len(code)
    i = 0
    extended_arg = 0
    free = None
    while i < n:
        op = code[i]
        if i in linestarts:
            if i > 0:
                print()
            print("%3d" % linestarts[i], end=' ')
        else:
            print('   ', end=' ')

if i == lasti: print('-->', end=' ')
        else: print('   ', end=' ')
        if i in labels: print('>>', end=' ')
        else: print('  ', end=' ')
        print(repr(i).rjust(4), end=' ')
        print(opname[op].ljust(20), end=' ')
        i = i+1
        if op >= HAVE_ARGUMENT:
            oparg = code[i] + code[i+1]*256 + extended_arg
            extended_arg = 0
            i = i+2
            if op == EXTENDED_ARG:
                extended_arg = oparg*65536
            print(repr(oparg).rjust(5), end=' ')
            if op in hasconst:
                print('(' + repr(co.co_consts[oparg]) + ')', end=' ')
            elif op in hasname:
                print('(' + co.co_names[oparg] + ')', end=' ')
            elif op in hasjrel:
                print('(to ' + repr(i + oparg) + ')', end=' ')
            elif op in haslocal:
                print('(' + co.co_varnames[oparg] + ')', end=' ')
            elif op in hascompare:
                print('(' + cmp_op[oparg] + ')', end=' ')
            elif op in hasfree:
                if free is None:
                    free = co.co_cellvars + co.co_freevars
                print('(' + free[oparg] + ')', end=' ')
            elif op in hasnargs:
                print('(%d positional, %d keyword pair)'
                      % (code[i-2], code[i-1]), end=' ')
        print()

def _disassemble_bytes(code, lasti=-1, varnames=None, names=None,
                       constants=None):
    labels = findlabels(code)
    n = len(code)
    i = 0
    while i < n:
        op = code[i]
        if i == lasti: print('-->', end=' ')
        else: print('   ', end=' ')
        if i in labels: print('>>', end=' ')
        else: print('  ', end=' ')
        print(repr(i).rjust(4), end=' ')
        print(opname[op].ljust(15), end=' ')
        i = i+1
        if op >= HAVE_ARGUMENT:
            oparg = code[i] + code[i+1]*256
            i = i+2
            print(repr(oparg).rjust(5), end=' ')
            if op in hasconst:
                if constants:
                    print('(' + repr(constants[oparg]) + ')', end=' ')
                else:
                    print('(%d)'%oparg, end=' ')
            elif op in hasname:
                if names is not None:
                    print('(' + names[oparg] + ')', end=' ')
                else:
                    print('(%d)'%oparg, end=' ')
            elif op in hasjrel:
                print('(to ' + repr(i + oparg) + ')', end=' ')
            elif op in haslocal:
                if varnames:
                    print('(' + varnames[oparg] + ')', end=' ')
                else:
                    print('(%d)' % oparg, end=' ')
            elif op in hascompare:
                print('(' + cmp_op[oparg] + ')', end=' ')
            elif op in hasnargs:
                print('(%d positional, %d keyword pair)'
                      % (code[i-2], code[i-1]), end=' ')
        print()

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

disco = disassemble                     # XXX For backwards compatibility

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

Return the list of offsets.

"""
    labels = []
    n = len(code)
    i = 0
    while i < n:
        op = code[i]
        i = i+1
        if op >= HAVE_ARGUMENT:
            oparg = code[i] + code[i+1]*256
            i = i+2
            label = -1
            if op in hasjrel:
                label = i+oparg
            elif op in hasjabs:
                label = oparg
            if label >= 0:
                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) as described in Python/compile.c.

"""
    byte_increments = list(code.co_lnotab[0::2])
    line_increments = list(code.co_lnotab[1::2])

lastlineno = None
    lineno = code.co_firstlineno
    addr = 0
    for byte_incr, line_incr in zip(byte_increments, line_increments):
        if byte_incr:
            if lineno != lastlineno:
                yield (addr, lineno)
                lastlineno = lineno
            addr += byte_incr
        lineno += line_incr
    if lineno != lastlineno:
        yield (addr, lineno)

def _test():
    """Simple test program to disassemble a file."""
    if sys.argv[1:]:
        if sys.argv[2:]:
            sys.stderr.write("usage: python dis.py [-|file]\n")
            sys.exit(2)
        fn = sys.argv[1]
        if not fn or fn == "-":
            fn = None
    else:
        fn = None
    if fn is None:
        f = sys.stdin
    else:
        f = open(fn)
    source = f.read()
    if fn is not None:
        f.close()
    else:
        fn = "<stdin>"
    code = compile(source, fn, "exec")
    dis(code)

if __name__ == "__main__":
    _test()

${this.title}

Code Editor : dis.py