def _matchlambda(func, line):
"""check if lambda object 'func' matches raw line of code 'line'"""
from dill.detect import code as getcode
from dill.detect import freevars, globalvars, varnames
dummy = lambda: '__this_is_a_big_dummy_function__'
# process the line (removing leading whitespace, etc)
lhs, rhs = line.split('lambda ', 1)[-1].split(":", 1) #FIXME: if !1 inputs
try: #FIXME: unsafe
_ = eval("lambda %s : %s" % (lhs, rhs), globals(), locals())
except:
_ = dummy
# get code objects, for comparison
_, code = getcode(_).co_code, getcode(func).co_code
# check if func is in closure
_f = [line.count(i) for i in freevars(func).keys()]
if not _f: # not in closure
# check if code matches
if _ == code: return True
return False
# weak check on freevars
if not all(_f): return False #XXX: VERY WEAK
# weak check on varnames and globalvars
_f = varnames(func)
_f = [line.count(i) for i in _f[0] + _f[1]]
if _f and not all(_f): return False #XXX: VERY WEAK
_f = [line.count(i) for i in globalvars(func).keys()]
if _f and not all(_f): return False #XXX: VERY WEAK
# check if func is a double lambda
if (line.count('lambda ') > 1) and (lhs in freevars(func).keys()):
_lhs, _rhs = rhs.split('lambda ', 1)[-1].split(":",
1) #FIXME: if !1 inputs
try: #FIXME: unsafe
_f = eval("lambda %s : %s" % (_lhs, _rhs), globals(), locals())
except:
_f = dummy
# get code objects, for comparison
_, code = getcode(_f).co_code, getcode(func).co_code
if len(_) != len(code): return False
#NOTE: should be same code same order, but except for 't' and '\x88'
_ = set((i, j) for (i, j) in zip(_, code) if i != j)
if len(_) != 1: return False #('t','\x88')
return True
# check indentsize
if not indentsize(line): return False #FIXME: is this a good check???
# check if code 'pattern' matches
#XXX: or pattern match against dis.dis(code)? (or use uncompyle2?)
_ = _.split(_[0]) # 't' #XXX: remove matching values if starts the same?
_f = code.split(code[0]) # '\x88'
#NOTE: should be same code different order, with different first element
_ = dict(
re.match('([\W\D\S])(.*)', _[i]).groups() for i in range(1, len(_)))
_f = dict(
re.match('([\W\D\S])(.*)', _f[i]).groups() for i in range(1, len(_f)))
if (_.keys() == _f.keys()) and (sorted(_.values()) == sorted(_f.values())):
return True
return False
def _matchlambda(func, line):
"""check if lambda object 'func' matches raw line of code 'line'"""
from dill.detect import code as getcode
from dill.detect import freevars, globalvars, varnames
dummy = lambda : '__this_is_a_big_dummy_function__'
# process the line (removing leading whitespace, etc)
lhs,rhs = line.split('lambda ',1)[-1].split(":", 1) #FIXME: if !1 inputs
try: #FIXME: unsafe
_ = eval("lambda %s : %s" % (lhs,rhs), globals(),locals())
except: _ = dummy
# get code objects, for comparison
_, code = getcode(_).co_code, getcode(func).co_code
# check if func is in closure
_f = [line.count(i) for i in freevars(func).keys()]
if not _f: # not in closure
# check if code matches
if _ == code: return True
return False
# weak check on freevars
if not all(_f): return False #XXX: VERY WEAK
# weak check on varnames and globalvars
_f = varnames(func)
_f = [line.count(i) for i in _f[0]+_f[1]]
if _f and not all(_f): return False #XXX: VERY WEAK
_f = [line.count(i) for i in globalvars(func).keys()]
if _f and not all(_f): return False #XXX: VERY WEAK
# check if func is a double lambda
if (line.count('lambda ') > 1) and (lhs in freevars(func).keys()):
_lhs,_rhs = rhs.split('lambda ',1)[-1].split(":",1) #FIXME: if !1 inputs
try: #FIXME: unsafe
_f = eval("lambda %s : %s" % (_lhs,_rhs), globals(),locals())
except: _f = dummy
# get code objects, for comparison
_, code = getcode(_f).co_code, getcode(func).co_code
if len(_) != len(code): return False
#NOTE: should be same code same order, but except for 't' and '\x88'
_ = set((i,j) for (i,j) in zip(_,code) if i != j)
if len(_) != 1: return False #('t','\x88')
return True
# check indentsize
if not indentsize(line): return False #FIXME: is this a good check???
# check if code 'pattern' matches
#XXX: or pattern match against dis.dis(code)? (or use uncompyle2?)
_ = _.split(_[0]) # 't' #XXX: remove matching values if starts the same?
_f = code.split(code[0]) # '\x88'
#NOTE: should be same code different order, with different first element
_ = dict(re.match('([\W\D\S])(.*)', _[i]).groups() for i in range(1,len(_)))
_f = dict(re.match('([\W\D\S])(.*)', _f[i]).groups() for i in range(1,len(_f)))
if (_.keys() == _f.keys()) and (sorted(_.values()) == sorted(_f.values())):
return True
return False