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'''
License: Apache 2.0
Author: Yuli Fitterman
'''
import types
from _pydevd_bundle.pydevd_constants import IS_JYTHON
try:
import inspect
except:
import traceback;
traceback.print_exc() # Ok, no inspect available (search will not work)
from _pydev_bundle._pydev_imports_tipper import signature_from_docstring
def is_bound_method(obj):
if isinstance(obj, types.MethodType):
return getattr(obj, '__self__', getattr(obj, 'im_self', None)) is not None
else:
return False
def get_class_name(instance):
return getattr(getattr(instance, "__class__", None), "__name__", None)
def get_bound_class_name(obj):
my_self = getattr(obj, '__self__', getattr(obj, 'im_self', None))
if my_self is None:
return None
return get_class_name(my_self)
def get_description(obj):
try:
ob_call = obj.__call__
except:
ob_call = None
if isinstance(obj, type) or type(obj).__name__ == 'classobj':
fob = getattr(obj, '__init__', lambda: None)
if not isinstance(fob, (types.FunctionType, types.MethodType)):
fob = obj
elif is_bound_method(ob_call):
fob = ob_call
else:
fob = obj
argspec = ""
fn_name = None
fn_class = None
if isinstance(fob, (types.FunctionType, types.MethodType)):
spec_info = inspect.getfullargspec(fob)
argspec = inspect.formatargspec(*spec_info)
fn_name = getattr(fob, '__name__', None)
if isinstance(obj, type) or type(obj).__name__ == 'classobj':
fn_name = "__init__"
fn_class = getattr(obj, "__name__", "UnknownClass")
elif is_bound_method(obj) or is_bound_method(ob_call):
fn_class = get_bound_class_name(obj) or "UnknownClass"
else:
fn_name = getattr(fob, '__name__', None)
fn_self = getattr(fob, '__self__', None)
if fn_self is not None and not isinstance(fn_self, types.ModuleType):
fn_class = get_class_name(fn_self)
doc_string = get_docstring(ob_call) if is_bound_method(ob_call) else get_docstring(obj)
return create_method_stub(fn_name, fn_class, argspec, doc_string)
def create_method_stub(fn_name, fn_class, argspec, doc_string):
if fn_name and argspec:
doc_string = "" if doc_string is None else doc_string
fn_stub = create_function_stub(fn_name, argspec, doc_string, indent=1 if fn_class else 0)
if fn_class:
expr = fn_class if fn_name == '__init__' else fn_class + '().' + fn_name
return create_class_stub(fn_class, fn_stub) + "\n" + expr
else:
expr = fn_name
return fn_stub + "\n" + expr
elif doc_string:
if fn_name:
restored_signature, _ = signature_from_docstring(doc_string, fn_name)
if restored_signature:
return create_method_stub(fn_name, fn_class, restored_signature, doc_string)
return create_function_stub('unknown', '(*args, **kwargs)', doc_string) + '\nunknown'
else:
return ''
def get_docstring(obj):
if obj is not None:
try:
if IS_JYTHON:
# Jython
doc = obj.__doc__
if doc is not None:
return doc
from _pydev_bundle import _pydev_jy_imports_tipper
is_method, infos = _pydev_jy_imports_tipper.ismethod(obj)
ret = ''
if is_method:
for info in infos:
ret += info.get_as_doc()
return ret
else:
doc = inspect.getdoc(obj)
if doc is not None:
return doc
except:
pass
else:
return ''
try:
# if no attempt succeeded, try to return repr()...
return repr(obj)
except:
try:
# otherwise the class
return str(obj.__class__)
except:
# if all fails, go to an empty string
return ''
def create_class_stub(class_name, contents):
return "class %s(object):\n%s" % (class_name, contents)
def create_function_stub(fn_name, fn_argspec, fn_docstring, indent=0):
def shift_right(string, prefix):
return ''.join(prefix + line for line in string.splitlines(True))
fn_docstring = shift_right(inspect.cleandoc(fn_docstring), " " * (indent + 1))
ret = '''
def %s%s:
"""%s"""
pass
''' % (fn_name, fn_argspec, fn_docstring)
ret = ret[1:] # remove first /n
ret = ret.replace('\t', " ")
if indent:
prefix = " " * indent
ret = shift_right(ret, prefix)
return ret
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