def getargs(obj): """Get the names and default values of a function's arguments""" if inspect.isfunction(obj) or inspect.isbuiltin(obj): func_obj = obj elif inspect.ismethod(obj): func_obj = get_meth_func(obj) elif inspect.isclass(obj) and hasattr(obj, '__init__'): func_obj = getattr(obj, '__init__') else: return [] if not hasattr(func_obj, 'func_code'): # Builtin: try to extract info from doc args = getargsfromdoc(func_obj) if args is not None: return args else: # Example: PyQt4 return getargsfromdoc(obj) args, _, _ = inspect.getargs(func_obj.func_code) if not args: return getargsfromdoc(obj) # Supporting tuple arguments in def statement: for i_arg, arg in enumerate(args): if isinstance(arg, list): args[i_arg] = "(%s)" % ", ".join(arg) defaults = get_func_defaults(func_obj) if defaults is not None: for index, default in enumerate(defaults): args[index + len(args) - len(defaults)] += '=' + repr(default) if inspect.isclass(obj) or inspect.ismethod(obj): if len(args) == 1: return None if 'self' in args: args.remove('self') return args
def getargs(obj): """Get the names and default values of a function's arguments""" if inspect.isfunction(obj) or inspect.isbuiltin(obj): func_obj = obj elif inspect.ismethod(obj): func_obj = get_meth_func(obj) elif inspect.isclass(obj) and hasattr(obj, '__init__'): func_obj = getattr(obj, '__init__') else: return [] if not hasattr(func_obj, 'func_code'): # Builtin: try to extract info from doc args = getargsfromdoc(func_obj) if args is not None: return args else: # Example: PyQt4 return getargsfromdoc(obj) args, _, _ = inspect.getargs(func_obj.func_code) if not args: return getargsfromdoc(obj) # Supporting tuple arguments in def statement: for i_arg, arg in enumerate(args): if isinstance(arg, list): args[i_arg] = "(%s)" % ", ".join(arg) defaults = get_func_defaults(func_obj) if defaults is not None: for index, default in enumerate(defaults): args[index+len(args)-len(defaults)] += '='+repr(default) if inspect.isclass(obj) or inspect.ismethod(obj): if len(args) == 1: return None if 'self' in args: args.remove('self') return args
def getdoc(obj): """ Return text documentation from an object. This comes in a form of dictionary with four keys: name: The name of the inspected object argspec: It's argspec note: A phrase describing the type of object (function or method) we are inspecting, and the module it belongs to. docstring: It's docstring """ docstring = inspect.getdoc(obj) or inspect.getcomments(obj) or '' # Most of the time doc will only contain ascii characters, but there are # some docstrings that contain non-ascii characters. Not all source files # declare their encoding in the first line, so querying for that might not # yield anything, either. So assume the most commonly used # multi-byte file encoding (which also covers ascii). try: docstring = to_text_string(docstring) except: pass # Doc dict keys doc = {'name': '', 'argspec': '', 'note': '', 'docstring': docstring} if callable(obj): try: name = obj.__name__ except AttributeError: doc['docstring'] = docstring return doc if inspect.ismethod(obj): imclass = get_meth_class(obj) if get_meth_class_inst(obj) is not None: doc['note'] = 'Method of %s instance' \ % get_meth_class_inst(obj).__class__.__name__ else: doc['note'] = 'Unbound %s method' % imclass.__name__ obj = get_meth_func(obj) elif hasattr(obj, '__module__'): doc['note'] = 'Function of %s module' % obj.__module__ else: doc['note'] = 'Function' doc['name'] = obj.__name__ if inspect.isfunction(obj): if PY2: args, varargs, varkw, defaults = inspect.getargspec(obj) doc['argspec'] = inspect.formatargspec( args, varargs, varkw, defaults, formatvalue=lambda o: '=' + repr(o)) else: (args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults, annotations) = inspect.getfullargspec(obj) doc['argspec'] = inspect.formatargspec( args, varargs, varkw, defaults, kwonlyargs, kwonlydefaults, annotations, formatvalue=lambda o: '=' + repr(o)) if name == '<lambda>': doc['name'] = name + ' lambda ' doc['argspec'] = doc['argspec'][1:-1] # remove parentheses else: argspec = getargspecfromtext(doc['docstring']) if argspec: doc['argspec'] = argspec # Many scipy and numpy docstrings begin with a function # signature on the first line. This ends up begin redundant # when we are using title and argspec to create the # rich text "Definition:" field. We'll carefully remove this # redundancy but only under a strict set of conditions: # Remove the starting charaters of the 'doc' portion *iff* # the non-whitespace characters on the first line # match *exactly* the combined function title # and argspec we determined above. signature = doc['name'] + doc['argspec'] docstring_blocks = doc['docstring'].split("\n\n") first_block = docstring_blocks[0].strip() if first_block == signature: doc['docstring'] = doc['docstring'].replace( signature, '', 1).lstrip() else: doc['argspec'] = '(...)' # Remove self from argspec argspec = doc['argspec'] doc['argspec'] = argspec.replace('(self)', '()').replace('(self, ', '(') return doc
def getdoc(obj): """ Return text documentation from an object. This comes in a form of dictionary with four keys: name: The name of the inspected object argspec: It's argspec note: A phrase describing the type of object (function or method) we are inspecting, and the module it belongs to. docstring: It's docstring """ docstring = inspect.getdoc(obj) or inspect.getcomments(obj) or '' # Most of the time doc will only contain ascii characters, but there are # some docstrings that contain non-ascii characters. Not all source files # declare their encoding in the first line, so querying for that might not # yield anything, either. So assume the most commonly used # multi-byte file encoding (which also covers ascii). try: docstring = to_text_string(docstring) except: pass # Doc dict keys doc = {'name': '', 'argspec': '', 'note': '', 'docstring': docstring} if callable(obj): try: name = obj.__name__ except AttributeError: doc['docstring'] = docstring return doc if inspect.ismethod(obj): imclass = get_meth_class(obj) if get_meth_class_inst(obj) is not None: doc['note'] = 'Method of %s instance' \ % get_meth_class_inst(obj).__class__.__name__ else: doc['note'] = 'Unbound %s method' % imclass.__name__ obj = get_meth_func(obj) elif hasattr(obj, '__module__'): doc['note'] = 'Function of %s module' % obj.__module__ else: doc['note'] = 'Function' doc['name'] = obj.__name__ if inspect.isfunction(obj): args, varargs, varkw, defaults = inspect.getargspec(obj) doc['argspec'] = inspect.formatargspec(args, varargs, varkw, defaults, formatvalue=lambda o:'='+repr(o)) if name == '<lambda>': doc['name'] = name + ' lambda ' doc['argspec'] = doc['argspec'][1:-1] # remove parentheses else: argspec = getargspecfromtext(doc['docstring']) if argspec: doc['argspec'] = argspec # Many scipy and numpy docstrings begin with a function # signature on the first line. This ends up begin redundant # when we are using title and argspec to create the # rich text "Definition:" field. We'll carefully remove this # redundancy but only under a strict set of conditions: # Remove the starting charaters of the 'doc' portion *iff* # the non-whitespace characters on the first line # match *exactly* the combined function title # and argspec we determined above. signature = doc['name'] + doc['argspec'] docstring_blocks = doc['docstring'].split("\n\n") first_block = docstring_blocks[0].strip() if first_block == signature: doc['docstring'] = doc['docstring'].replace( signature, '', 1).lstrip() else: doc['argspec'] = '(...)' # Remove self from argspec argspec = doc['argspec'] doc['argspec'] = argspec.replace('(self)', '()').replace('(self, ', '(') return doc