def _replace_te_arguments (_routine, _parent_tracer, _parent_enforcer) :
# ---- coercing routine
if inspect.ismethod (_routine) :
_routine = _routine.im_func
# ---- determining arguments
_tracer_index = None
_enforcer_index = None
_argspec = inspect.getargspec (_routine)
if _argspec.defaults is not None :
_default_offset = len (_argspec.args) - len (_argspec.defaults)
for _default_index in xrange (len (_argspec.defaults)) :
_argument_index = _default_offset + _default_index
if _argspec.defaults[_default_index] is tracer :
if _tracer_index is not None :
raise Exception ('wtf! (duplicate `tracer` was found `%s` and `%s`)' % (_argspec.args[_tracer_index], _argspec.args[_argument_index]))
if hasattr (_routine, _argspec.args[_argument_index]) :
raise Exception ('wtf! (`tracer` attribute already exists)')
_tracer_index = _argument_index
if _argspec.defaults[_default_index] is enforcer :
if _enforcer_index is not None :
raise Exception ('wtf! (duplicate `enforcer` was found `%s` and `%s`)' % (_argspec.args[_enforcer_index], _argspec.args[_argument_index]))
if hasattr (_routine, _argspec.args[_argument_index]) :
raise Exception ('wtf! (`enforcer` attribute already exists)')
_enforcer_index = _argument_index
# ---- creating objects
if _tracer_index is not None :
_tracer = transcripts.tracer_tf (_routine, parent = _parent_tracer)
if _enforcer_index is not None :
_enforcer = enforcements.enforcer_ef (_routine, parent = _parent_enforcer)
# ---- re-creating defaults
if _tracer_index is not None or _enforcer_index is not None :
_defaults = list (_argspec.defaults)
if _tracer_index is not None :
_defaults[_tracer_index - _default_offset] = _tracer
if _enforcer_index is not None :
_defaults[_enforcer_index - _default_offset] = _enforcer
_routine.func_defaults = tuple (_defaults)
# ---- setting attributes
if _tracer_index is not None :
setattr (_routine, _argspec.args[_tracer_index], _tracer)
if _enforcer_index is not None :
setattr (_routine, _argspec.args[_enforcer_index], _enforcer)
return (_tracer_index, _enforcer_index)
def _replace_te_members (_object, _parent_tracer, _parent_enforcer) :
# ---- determining members
_tracer_identifier = None
_enforcer_identifier = None
for _member_identifier, _member_value in inspect.getmembers (_object) :
if _member_value is tracer :
if not inspect.ismodule (_object) or _member_identifier != '_tracer' :
if _tracer_identifier is not None :
raise Exception ('wtf! (duplicate `tracer` was found `%s` and `%s`)' % (_tracer_identifier, _member_identifier))
_tracer_identifier = _member_identifier
if _member_value is enforcer :
if not inspect.ismodule (_object) or _member_identifier != '_enforcer' :
if _enforcer_identifier is not None :
raise Exception ('wtf! (duplicate `enforcer` was found `%s` and `%s`)' % (_enforcer_identifier, _member_identifier))
_enforcer_identifier = _member_identifier
# ---- deleting members
if _tracer_identifier is not None :
delattr (_object, _tracer_identifier)
if _enforcer_identifier is not None :
delattr (_object, _enforcer_identifier)
# ---- creating objects
if _tracer_identifier is not None :
_tracer = transcripts.tracer_tf (_object, parent = _parent_tracer)
if _enforcer_identifier is not None :
_enforcer = enforcements.enforcer_ef (_object, parent = _parent_enforcer)
# ---- re-creating members
if _tracer_identifier is not None :
setattr (_object, _tracer_identifier, _tracer)
if _enforcer_identifier is not None :
setattr (_object, _enforcer_identifier, _enforcer)
return (_tracer_identifier, _enforcer_identifier)
def test_with_old_te (self) : _t = transcripts.tracer_tf (self.test_with_old_te) _e = enforcements.enforcer_ef (self.test_with_old_te) return
