def __get_dynamic_attr(self, attname, obj, default=None):
""" Returns first defined occurence of the following:
self.$attname(obj)
self.$attname()
self.$attname
default
Taken from django.contrib.syndication.views.Feed
"""
try:
attr = getattr(self, attname)
except AttributeError:
return default
if callable(attr):
# Check co_argcount rather than try/excepting the function and
# catching the TypeError, because something inside the function
# may raise the TypeError. This technique is more accurate.
try:
code = six.get_function_code(attr)
except AttributeError:
code = six.get_function_code(attr.__call__)
if code.co_argcount == 2: # one argument is 'self'
return attr(obj)
else:
return attr()
return attr
def __get_dynamic_attr(self, attname, obj, default=None):
try:
attr = getattr(self, attname)
except AttributeError:
return default
if callable(attr):
try:
code = six.get_function_code(attr)
except AttributeError:
code = six.get_function_code(attr.__call__)
if code.co_argcount == 2:
return attr(obj)
else:
return attr()
return attr
def __get_dynamic_attr(self, attname, obj, default=None):
try:
attr = getattr(self, attname)
except AttributeError:
return default
if callable(attr):
try:
code = six.get_function_code(attr)
except AttributeError:
code = six.get_function_code(attr.__call__)
if code.co_argcount == 2:
return attr(obj)
else:
return attr()
return attr
def wrapped_target(*args, **kwargs):
with silk_meta_profiler():
try:
func_code = six.get_function_code(target)
except AttributeError:
raise NotImplementedError(
'Profile not implemented to decorate type %s' %
target.__class__.__name__)
line_num = func_code.co_firstlineno
file_path = func_code.co_filename
func_name = target.__name__
if not self.name:
self.name = func_name
self.profile = {
'func_name': func_name,
'name': self.name,
'file_path': file_path,
'line_num': line_num,
'dynamic': self._dynamic,
'start_time': timezone.now(),
'request': DataCollector().request
}
self._start_queries()
try:
result = target(*args, **kwargs)
except Exception:
self.profile['exception_raised'] = True
raise
finally:
with silk_meta_profiler():
self.profile['end_time'] = timezone.now()
self._finalise_queries()
return result
def wrapped_target(*args, **kwargs):
with silk_meta_profiler():
try:
func_code = six.get_function_code(target)
except AttributeError:
raise NotImplementedError('Profile not implemented to decorate type %s' % target.__class__.__name__)
line_num = func_code.co_firstlineno
file_path = func_code.co_filename
func_name = target.__name__
if not self.name:
self.name = func_name
self.profile = {
'func_name': func_name,
'name': self.name,
'file_path': file_path,
'line_num': line_num,
'dynamic': self._dynamic,
'start_time': timezone.now(),
'request': DataCollector().request
}
self._start_queries()
try:
result = target(*args, **kwargs)
except Exception:
self.profile['exception_raised'] = True
raise
finally:
with silk_meta_profiler():
self.profile['end_time'] = timezone.now()
self._finalise_queries()
return result
def _find_lineno(self, obj, source_lines):
"""
Return a line number of the given object's docstring. Note:
this method assumes that the object has a docstring.
"""
lineno = None
# Find the line number for modules.
if inspect.ismodule(obj):
lineno = 0
# Find the line number for classes.
# Note: this could be fooled if a class is defined multiple
# times in a single file.
if inspect.isclass(obj):
if source_lines is None:
return None
pat = re.compile(r'^\s*class\s*%s\b' %
getattr(obj, '__name__', '-'))
for i, line in enumerate(source_lines):
if pat.match(line):
lineno = i
break
# Find the line number for functions & methods.
if inspect.ismethod(obj): obj = obj.__func__
if inspect.isfunction(obj): obj = six.get_function_code(obj)
if inspect.istraceback(obj): obj = obj.tb_frame
if inspect.isframe(obj): obj = obj.f_code
if inspect.iscode(obj):
lineno = getattr(obj, 'co_firstlineno', None)-1
# Find the line number where the docstring starts. Assume
# that it's the first line that begins with a quote mark.
# Note: this
def __get_dynamic_attr(self, attname, obj, default=None):
try:
attr = getattr(self, attname)
except AttributeError:
return default
if callable(attr):
# Check co_argcount rather than try/excepting the function and
# catching the TypeError, because something inside the function
# may raise the TypeError. This technique is more accurate.
try:
code = six.get_function_code(attr)
except AttributeError:
code = six.get_function_code(attr.__call__)
if code.co_argcount == 2: # one argument is 'self'
return attr(obj)
else:
return attr()
return attr
def __get_dynamic_attr(self, attname, obj, default=None):
try:
attr = getattr(self, attname)
except AttributeError:
return default
if callable(attr):
# Check co_argcount rather than try/excepting the function and
# catching the TypeError, because something inside the function
# may raise the TypeError. This technique is more accurate.
try:
code = six.get_function_code(attr)
except AttributeError:
code = six.get_function_code(attr.__call__)
if code.co_argcount == 2: # one argument is 'self'
return attr(obj)
else:
return attr()
return attr
def _resolve_methods(self):
callback = self.pattern.callback
try:
closure = six.get_function_closure(callback)
code = six.get_function_code(callback)
while getattr(code, 'co_name') != 'view':
# lets unwrap!
view = getattr(closure[0], 'cell_contents')
closure = six.get_function_closure(view)
code = six.get_function_code(view)
freevars = code.co_freevars
except (AttributeError, IndexError):
raise RuntimeError('Unable to use callback invalid closure/function specified.')
else:
return closure[freevars.index('actions')].cell_contents
def closure_n_code(func):
return unwrappage(six.get_function_closure(func),
six.get_function_code(func))
def closure_n_code(func):
return unwrappage(
six.get_function_closure(func),
six.get_function_code(func))
