Python dis.EXTENDED_ARG Examples
The following are 30
code examples of dis.EXTENDED_ARG().
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Example #1
| Source File: cloudpickle.py From BentoML with Apache License 2.0 | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if PY2: # pragma: no branch
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #2
| Source File: cloudpickle.py From FATE with Apache License 2.0 | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if not PY3:
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #3
| Source File: cloudpickle.py From FATE with Apache License 2.0 | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if not PY3:
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #4
| Source File: modulefinder.py From odoo13-x64 with GNU General Public License v3.0 | 6 votes |
|
def scan_opcodes(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in dis._unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #5
| Source File: cloudpickle.py From LearningApacheSpark with MIT License | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if not PY3:
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #6
| Source File: modulefinder.py From Imogen with MIT License | 6 votes |
|
def scan_opcodes(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in dis._unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #7
| Source File: cloudpickle.py From pywren-ibm-cloud with Apache License 2.0 | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if PY2: # pragma: no branch
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #8
| Source File: cloudpickle.py From eggroll with Apache License 2.0 | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if not PY3:
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #9
| Source File: modulefinder.py From Carnets with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
def scan_opcodes(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in dis._unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #10
| Source File: assembler.py From monasca-analytics with Apache License 2.0 | 6 votes |
|
def __iter__(self):
i = 0
extended_arg = 0
code = self.co_code
n = len(code)
while i < n:
op = code[i]
if op >= HAVE_ARGUMENT:
oparg = code[i + 1] + code[i + 2] * 256 + extended_arg
extended_arg = 0
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
i += 3
continue
yield i, op, oparg
i += 3
else:
yield i, op, None
i += 1
Example #11
| Source File: modulefinder.py From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 | 6 votes |
|
def scan_opcodes_25(self, co,
unpack = struct.unpack):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in dis._unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #12
| Source File: cloudpickle.py From pywren with Apache License 2.0 | 6 votes |
|
def _walk_global_ops(code):
"""
Yield (opcode, argument number) tuples for all
global-referencing instructions in *code*.
"""
code = getattr(code, 'co_code', b'')
if not PY3:
code = map(ord, code)
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i += 1
if op >= HAVE_ARGUMENT:
oparg = code[i] + code[i + 1] * 256 + extended_arg
extended_arg = 0
i += 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in GLOBAL_OPS:
yield op, oparg
Example #13
| Source File: modulefinder.py From PokemonGo-DesktopMap with MIT License | 6 votes |
|
def _unpack_opargs(code):
# enumerate() is not an option, since we sometimes process
# multiple elements on a single pass through the loop
extended_arg = 0
n = len(code)
i = 0
while i < n:
op = ord(code[i])
offset = i
i = i+1
arg = None
if op >= HAVE_ARGUMENT:
arg = ord(code[i]) + ord(code[i+1])*256 + extended_arg
extended_arg = 0
i = i+2
if op == EXTENDED_ARG:
extended_arg = arg*65536
yield (offset, op, arg)
# Modulefinder does a good job at simulating Python's, but it can not
# handle __path__ modifications packages make at runtime. Therefore there
# is a mechanism whereby you can register extra paths in this map for a
# package, and it will be honored.
# Note this is a mapping is lists of paths.
Example #14
| Source File: modulefinder.py From PokemonGo-DesktopMap with MIT License | 6 votes |
|
def scan_opcodes(self, co,
unpack = struct.unpack):
# Scan the code, and yield 'interesting' opcode combinations
# Version for Python 2.4 and older
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if c in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 1
and opargs[i-1][0] == LOAD_CONST):
fromlist = consts[opargs[i-1][1]]
yield "import", (fromlist, names[oparg])
continue
Example #15
| Source File: overrides.py From overrides with Apache License 2.0 | 6 votes |
|
def op_stream(code, max):
"""Generator function: convert Python bytecode into a sequence of
opcode-argument pairs."""
i = [0]
def next():
val = code[i[0]]
i[0] += 1
return val
ext_arg = 0
while i[0] <= max:
op, arg = next(), next()
if op == dis.EXTENDED_ARG:
ext_arg += arg
ext_arg <<= 8
continue
else:
yield (op, arg + ext_arg)
ext_arg = 0
Example #16
| Source File: modulefinder.py From PokemonGo-DesktopMap with MIT License | 6 votes |
|
def scan_opcodes_25(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == -1: # normal import
yield "import", (fromlist, names[oparg])
elif level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #17
| Source File: executing.py From executing with MIT License | 6 votes |
|
def get_instructions(co):
code = co.co_code
n = len(code)
i = 0
extended_arg = 0
while i < n:
offset = i
c = code[i]
op = ord(c)
argval = None
i = i + 1
if op >= HAVE_ARGUMENT:
oparg = ord(code[i]) + ord(code[i + 1]) * 256 + extended_arg
extended_arg = 0
i = i + 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in hasconst:
argval = co.co_consts[oparg]
yield Instruction(offset, argval, opname[op])
Example #18
| Source File: modulefinder.py From unity-python with MIT License | 6 votes |
|
def _unpack_opargs(code):
# enumerate() is not an option, since we sometimes process
# multiple elements on a single pass through the loop
extended_arg = 0
n = len(code)
i = 0
while i < n:
op = ord(code[i])
offset = i
i = i+1
arg = None
if op >= HAVE_ARGUMENT:
arg = ord(code[i]) + ord(code[i+1])*256 + extended_arg
extended_arg = 0
i = i+2
if op == EXTENDED_ARG:
extended_arg = arg*65536
yield (offset, op, arg)
# Modulefinder does a good job at simulating Python's, but it can not
# handle __path__ modifications packages make at runtime. Therefore there
# is a mechanism whereby you can register extra paths in this map for a
# package, and it will be honored.
# Note this is a mapping is lists of paths.
Example #19
| Source File: modulefinder.py From unity-python with MIT License | 6 votes |
|
def scan_opcodes(self, co,
unpack = struct.unpack):
# Scan the code, and yield 'interesting' opcode combinations
# Version for Python 2.4 and older
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if c in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 1
and opargs[i-1][0] == LOAD_CONST):
fromlist = consts[opargs[i-1][1]]
yield "import", (fromlist, names[oparg])
continue
Example #20
| Source File: modulefinder.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def scan_opcodes_25(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == -1: # normal import
yield "import", (fromlist, names[oparg])
elif level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #21
| Source File: modulefinder.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def scan_opcodes(self, co,
unpack = struct.unpack):
# Scan the code, and yield 'interesting' opcode combinations
# Version for Python 2.4 and older
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if c in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 1
and opargs[i-1][0] == LOAD_CONST):
fromlist = consts[opargs[i-1][1]]
yield "import", (fromlist, names[oparg])
continue
Example #22
| Source File: modulefinder.py From ironpython2 with Apache License 2.0 | 6 votes |
|
def _unpack_opargs(code):
# enumerate() is not an option, since we sometimes process
# multiple elements on a single pass through the loop
extended_arg = 0
n = len(code)
i = 0
while i < n:
op = ord(code[i])
offset = i
i = i+1
arg = None
if op >= HAVE_ARGUMENT:
arg = ord(code[i]) + ord(code[i+1])*256 + extended_arg
extended_arg = 0
i = i+2
if op == EXTENDED_ARG:
extended_arg = arg*65536
yield (offset, op, arg)
# Modulefinder does a good job at simulating Python's, but it can not
# handle __path__ modifications packages make at runtime. Therefore there
# is a mechanism whereby you can register extra paths in this map for a
# package, and it will be honored.
# Note this is a mapping is lists of paths.
Example #23
| Source File: modulefinder.py From unity-python with MIT License | 6 votes |
|
def scan_opcodes_25(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in _unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == -1: # normal import
yield "import", (fromlist, names[oparg])
elif level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #24
| Source File: modulefinder.py From android_universal with MIT License | 6 votes |
|
def scan_opcodes(self, co):
# Scan the code, and yield 'interesting' opcode combinations
code = co.co_code
names = co.co_names
consts = co.co_consts
opargs = [(op, arg) for _, op, arg in dis._unpack_opargs(code)
if op != EXTENDED_ARG]
for i, (op, oparg) in enumerate(opargs):
if op in STORE_OPS:
yield "store", (names[oparg],)
continue
if (op == IMPORT_NAME and i >= 2
and opargs[i-1][0] == opargs[i-2][0] == LOAD_CONST):
level = consts[opargs[i-2][1]]
fromlist = consts[opargs[i-1][1]]
if level == 0: # absolute import
yield "absolute_import", (fromlist, names[oparg])
else: # relative import
yield "relative_import", (level, fromlist, names[oparg])
continue
Example #25
| Source File: cloudpickle.py From spark-cluster-deployment with Apache License 2.0 | 6 votes |
|
def extract_code_globals(co):
"""
Find all globals names read or written to by codeblock co
"""
code = co.co_code
names = co.co_names
out_names = set()
n = len(code)
i = 0
extended_arg = 0
while i < n:
op = code[i]
i = i+1
if op >= HAVE_ARGUMENT:
oparg = ord(code[i]) + ord(code[i+1])*256 + extended_arg
extended_arg = 0
i = i+2
if op == EXTENDED_ARG:
extended_arg = oparg*65536L
if op in GLOBAL_OPS:
out_names.add(names[oparg])
#print 'extracted', out_names, ' from ', names
return out_names
Example #26
| Source File: executing.py From executing with MIT License | 6 votes |
|
def _get_instructions(co):
code = co.co_code
linestarts = dict(findlinestarts(co))
n = len(code)
i = 0
extended_arg = 0
while i < n:
offset = i
c = code[i]
op = ord(c)
lineno = linestarts.get(i)
argval = None
i = i + 1
if op >= HAVE_ARGUMENT:
oparg = ord(code[i]) + ord(code[i + 1]) * 256 + extended_arg
extended_arg = 0
i = i + 2
if op == EXTENDED_ARG:
extended_arg = oparg * 65536
if op in hasconst:
argval = co.co_consts[oparg]
yield Instruction(offset, argval, opname[op], lineno)
Example #27
| Source File: depends.py From datafari with Apache License 2.0 | 5 votes |
|
def _iter_code(code):
"""Yield '(op,arg)' pair for each operation in code object 'code'"""
from array import array
from dis import HAVE_ARGUMENT, EXTENDED_ARG
bytes = array('b',code.co_code)
eof = len(code.co_code)
ptr = 0
extended_arg = 0
while ptr<eof:
op = bytes[ptr]
if op>=HAVE_ARGUMENT:
arg = bytes[ptr+1] + bytes[ptr+2]*256 + extended_arg
ptr += 3
if op==EXTENDED_ARG:
extended_arg = arg * compat.long_type(65536)
continue
else:
arg = None
ptr += 1
yield op,arg
Example #28
| Source File: test_dis.py From gcblue with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
def test_boundaries(self):
self.assertEqual(dis.opmap["EXTENDED_ARG"], dis.EXTENDED_ARG)
self.assertEqual(dis.opmap["STORE_NAME"], dis.HAVE_ARGUMENT)
Example #29
| Source File: py33compat.py From Ansible with MIT License | 5 votes |
|
def __iter__(self):
"""Yield '(op,arg)' pair for each operation in code object 'code'"""
bytes = array.array('b', self.code.co_code)
eof = len(self.code.co_code)
ptr = 0
extended_arg = 0
while ptr < eof:
op = bytes[ptr]
if op >= dis.HAVE_ARGUMENT:
arg = bytes[ptr + 1] + bytes[ptr + 2] * 256 + extended_arg
ptr += 3
if op == dis.EXTENDED_ARG:
long_type = six.integer_types[-1]
extended_arg = arg * long_type(65536)
continue
else:
arg = None
ptr += 1
yield OpArg(op, arg)
Example #30
| Source File: test_dis.py From CTFCrackTools-V2 with GNU General Public License v3.0 | 5 votes |
|
def test_boundaries(self):
self.assertEqual(dis.opmap["EXTENDED_ARG"], dis.EXTENDED_ARG)
self.assertEqual(dis.opmap["STORE_NAME"], dis.HAVE_ARGUMENT)
