def changetoken(space,w_obj,w_token):
# ASSUMPTION: if caller can pass a reference to w_token, it has permission to use it
# check that w_obj is NOT a nametoken object (don't allow a token to change it's self-ownership)
if isinstance(w_obj, W_NametokenObject):
return space.w_False
# check that w_token is a nametoken object
if not isinstance(w_token, W_NametokenObject):
return space.w_False
# check that the caller has permission to change
if not _currentframe_has_access(space, w_obj):
return space.w_False
_changetoken(space, w_obj, w_token)
return space.w_True
def fget_func_code(space, self):
from pypy.module.__builtin__.namespace_helpers import SLOTNAME_ALLTOKENS, SLOTNAME_NAMETOKEN, throw_access_exceptions, print_access_exceptions, _currentframe_has_access
from sys import stderr
if _currentframe_has_access(space, self.creator_nametoken):
return space.wrap(self.code)
else:
if print_access_exceptions:
print >> stderr, "\033[1;31mAccess Error:\033[1;m " + self.name + ".func_code"
if throw_access_exceptions:
#SRW TODO: raise
pass
else:
return space.w_None
def fget_func_closure(space, self):
from pypy.module.__builtin__.namespace_helpers import SLOTNAME_ALLTOKENS, SLOTNAME_NAMETOKEN, throw_access_exceptions, print_access_exceptions, _currentframe_has_access
from sys import stderr
if self.closure is not None:
if _currentframe_has_access(space, self.creator_nametoken):
w_res = space.newtuple( [ space.wrap(i) for i in self.closure ] )
else:
if print_access_exceptions:
print >> stderr, "\033[1;31mAccess Error:\033[1;m " + self.name + ".func_closure"
if throw_access_exceptions:
#SRW TODO: raise
pass
else:
w_res = space.w_None
else:
w_res = space.w_None
return w_res
return space.getitem(w_obj, w_key)
except OperationError, e:
if not e.match(space, space.w_KeyError):
raise
return None
def check_sys_modules(space, w_modulename):
w_modules = space.sys.get('modules')
try:
w_mod = space.getitem(w_modules, w_modulename)
except OperationError, e:
if not e.match(space, space.w_KeyError):
raise
else:
if _currentframe_has_access(space, w_mod):
return w_mod
else:
if print_access_exceptions:
print >> stderr, "\033[1;31mAccess Error:\033[1;m " + str(sys._getframe().f_code.co_name) + ": modulename=" + space.str_w(w_modulename)
return None
def importhook(space, modulename, w_globals=None,
w_locals=None, w_fromlist=None, level=-1):
# w_locals is not currently used by this function, so it has been
# expropriated by SRW for 6.893
# w_locals may now contain {"__nametoken__": tokenobj} which we will want to
# load into the module's __dict__ as well as the globals under which these
# objects are compiled/created
timername = "importhook " + modulename
space.timer.start(timername)
