Returns the dereferenced name as both value and repr if the name
list is defined.
Otherwise returns the name index and its repr().
"""
argval = name_index
if name_list is not None:
argval = name_list[name_index]
argrepr = argval
else:
argrepr = repr(argval)
return argval, argrepr
from xoutil import collections
_Instruction = collections.namedtuple(
"_Instruction",
"opname opcode arg argval argrepr offset starts_line is_jump_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
starts_line - line started by this opcode (if any), otherwise None
is_jump_target - True if other code jumps to here, otherwise False
"""
if any(not callable(func) for func in funcs):
raise TypeError('First arguments of `power` must be callables')
if not isinstance(times, int):
raise TypeError('Last argument of `power` must be int')
if len(funcs) > 1:
base = (compose(funcs), )
else:
base = (funcs[0], )
return compose(*(base * times))
if not py33:
from threading import RLock
from xoutil.collections import namedtuple
_CacheInfo = namedtuple("CacheInfo", ["hits", "misses", "maxsize",
"currsize"])
# Back-ported lru_cache from py33. But take note that if running with at
# least py3 we will use Python's version, so don't mess with internals.
WRAPPER_ASSIGNMENTS = ('__module__', '__name__', '__qualname__', '__doc__',
'__annotations__')
WRAPPER_UPDATES = ('__dict__',)
def update_wrapper(wrapper,
wrapped,
assigned=WRAPPER_ASSIGNMENTS,
updated=WRAPPER_UPDATES):
"""Update a wrapper function to look like the wrapped function
wrapper is the function to be updated
head, tail = '{}'
items = ', '.join(type_name(t, affirm) for t in obj)
return str('%s%s%s' % (head, items, tail))
else:
return type_name(type(obj))
else:
return None
# TODO: Implement a safe version for `attrgetter`
if not getattr(_pm, 'getfullargspec', None):
from xoutil.collections import namedtuple
FullArgSpec = namedtuple(
'FullArgSpec',
'args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults,'
'annotations'
)
def getfullargspec(func):
import inspect
spec = inspect.getargspec(func)
return FullArgSpec(
spec.args, spec.varargs, spec.keywords, spec.defaults,
None, None, None
)
# get rid of unused global variables
del _pm, _copy_python_module_members
