def __init__(self, func):
func = get_function_object(func)
code = get_code_object(func)
pysig = utils.pysignature(func)
if not code:
raise errors.ByteCodeSupportError(
"%s does not provide its bytecode" % func)
if code.co_cellvars:
raise NotImplementedError("cell vars are not supported")
table = utils.SortedMap(ByteCodeIter(code))
labels = set(dis.findlabels(code.co_code))
labels.add(0)
try:
func_qualname = func.__qualname__
except AttributeError:
func_qualname = func.__name__
self._mark_lineno(table, code)
super(ByteCode, self).__init__(func=func,
func_qualname=func_qualname,
is_generator=inspect.isgeneratorfunction(func),
pysig=pysig,
filename=code.co_filename,
co_names=code.co_names,
co_varnames=code.co_varnames,
co_consts=code.co_consts,
co_freevars=code.co_freevars,
table=table,
labels=list(sorted(labels)))
def from_function(cls, pyfunc):
"""
Create the FunctionIdentity of the given function.
"""
func = get_function_object(pyfunc)
code = get_code_object(func)
pysig = utils.pysignature(func)
if not code:
raise errors.ByteCodeSupportError(
"%s does not provide its bytecode" % func)
try:
func_qualname = func.__qualname__
except AttributeError:
func_qualname = func.__name__
self = cls()
self.func = pyfunc
self.func_qualname = func_qualname
self.func_name = func_qualname.split('.')[-1]
self.code = code
self.module = inspect.getmodule(func)
self.is_generator = inspect.isgeneratorfunction(func)
self.pysig = pysig
self.filename = code.co_filename
self.firstlineno = code.co_firstlineno
self.arg_count = len(pysig.parameters)
self.arg_names = list(pysig.parameters)
return self
def from_function(cls, pyfunc):
"""
Create the FunctionIdentity of the given function.
"""
func = get_function_object(pyfunc)
code = get_code_object(func)
pysig = utils.pysignature(func)
if not code:
raise errors.ByteCodeSupportError(
"%s does not provide its bytecode" % func)
try:
func_qualname = func.__qualname__
except AttributeError:
func_qualname = func.__name__
self = cls()
self.func = pyfunc
self.func_qualname = func_qualname
self.func_name = func_qualname.split('.')[-1]
self.code = code
self.module = inspect.getmodule(func)
self.modname = (utils._dynamic_modname
if self.module is None else self.module.__name__)
self.is_generator = inspect.isgeneratorfunction(func)
self.pysig = pysig
self.filename = code.co_filename
self.firstlineno = code.co_firstlineno
self.arg_count = len(pysig.parameters)
self.arg_names = list(pysig.parameters)
# Even the same function definition can be compiled into
# several different function objects with distinct closure
# variables, so we make sure to disambiguate using an unique id.
uid = next(cls._unique_ids)
self.unique_name = '{}${}'.format(self.func_qualname, uid)
return self