我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用inspect.iscode()。
def test_excluding_predicates(self): self.istest(inspect.isbuiltin, 'sys.exit') if check_impl_detail(): self.istest(inspect.isbuiltin, '[].append') self.istest(inspect.iscode, 'mod.spam.__code__') self.istest(inspect.isframe, 'tb.tb_frame') self.istest(inspect.isfunction, 'mod.spam') self.istest(inspect.isfunction, 'mod.StupidGit.abuse') self.istest(inspect.ismethod, 'git.argue') self.istest(inspect.ismodule, 'mod') self.istest(inspect.istraceback, 'tb') self.istest(inspect.isdatadescriptor, 'collections.defaultdict.default_factory') self.istest(inspect.isgenerator, '(x for x in range(2))') self.istest(inspect.isgeneratorfunction, 'generator_function_example') if hasattr(types, 'GetSetDescriptorType'): self.istest(inspect.isgetsetdescriptor, 'type(tb.tb_frame).f_locals') else: self.assertFalse(inspect.isgetsetdescriptor(type(tb.tb_frame).f_locals)) if hasattr(types, 'MemberDescriptorType'): self.istest(inspect.ismemberdescriptor, 'type(lambda: None).__globals__') else: self.assertFalse(inspect.ismemberdescriptor(datetime.timedelta.days))
def test_excluding_predicates(self): self.istest(inspect.isbuiltin, 'sys.exit') self.istest(inspect.isbuiltin, '[].append') self.istest(inspect.iscode, 'mod.spam.func_code') self.istest(inspect.isframe, 'tb.tb_frame') self.istest(inspect.isfunction, 'mod.spam') self.istest(inspect.ismethod, 'mod.StupidGit.abuse') self.istest(inspect.ismethod, 'git.argue') self.istest(inspect.ismodule, 'mod') self.istest(inspect.istraceback, 'tb') self.istest(inspect.isdatadescriptor, '__builtin__.file.closed') self.istest(inspect.isdatadescriptor, '__builtin__.file.softspace') self.istest(inspect.isgenerator, '(x for x in xrange(2))') self.istest(inspect.isgeneratorfunction, 'generator_function_example') if hasattr(types, 'GetSetDescriptorType'): self.istest(inspect.isgetsetdescriptor, 'type(tb.tb_frame).f_locals') else: self.assertFalse(inspect.isgetsetdescriptor(type(tb.tb_frame).f_locals)) if hasattr(types, 'MemberDescriptorType'): self.istest(inspect.ismemberdescriptor, 'datetime.timedelta.days') else: self.assertFalse(inspect.ismemberdescriptor(datetime.timedelta.days))
def test_excluding_predicates(self): self.istest(inspect.isbuiltin, 'sys.exit') if check_impl_detail(): self.istest(inspect.isbuiltin, '[].append') self.istest(inspect.iscode, 'mod.spam.func_code') self.istest(inspect.isframe, 'tb.tb_frame') self.istest(inspect.isfunction, 'mod.spam') self.istest(inspect.ismethod, 'mod.StupidGit.abuse') self.istest(inspect.ismethod, 'git.argue') self.istest(inspect.ismodule, 'mod') self.istest(inspect.istraceback, 'tb') self.istest(inspect.isdatadescriptor, '__builtin__.file.closed') self.istest(inspect.isdatadescriptor, '__builtin__.file.softspace') self.istest(inspect.isgenerator, '(x for x in xrange(2))') self.istest(inspect.isgeneratorfunction, 'generator_function_example') if hasattr(types, 'GetSetDescriptorType'): self.istest(inspect.isgetsetdescriptor, 'type(tb.tb_frame).f_locals') else: self.assertFalse(inspect.isgetsetdescriptor(type(tb.tb_frame).f_locals)) if hasattr(types, 'MemberDescriptorType'): self.istest(inspect.ismemberdescriptor, 'type(lambda: None).func_globals') else: self.assertFalse(inspect.ismemberdescriptor(type(lambda: None).func_globals))
def decompile(obj): """ Decompile obj if it is a module object, a function or a code object. If obj is a string, it is assumed to be the path to a python module. """ if isinstance(obj, str): return dec_module(obj) if inspect.iscode(obj): code = Code(obj) return code.get_suite() if inspect.isfunction(obj): code = Code(obj.__code__) defaults = obj.__defaults__ kwdefaults = obj.__kwdefaults__ return DefStatement(code, defaults, kwdefaults, obj.__closure__) elif inspect.ismodule(obj): return dec_module(obj.__file__) else: msg = "Object must be string, module, function or code object" raise TypeError(msg)
def isdata(object): """Check if an object is of a type that probably means it's data.""" return not (inspect.ismodule(object) or inspect.isclass(object) or inspect.isroutine(object) or inspect.isframe(object) or inspect.istraceback(object) or inspect.iscode(object))
def find_lines(code, strs): """Return lineno dict for all code objects reachable from code.""" # get all of the lineno information from the code of this scope level linenos = find_lines_from_code(code, strs) # and check the constants for references to other code objects for c in code.co_consts: if inspect.iscode(c): # find another code object, so recurse into it linenos.update(find_lines(c, strs)) return linenos
def is_class_instance(obj): """Like inspect.* methods.""" return not (inspect.isclass(obj) or inspect.ismodule(obj) or inspect.isbuiltin(obj) or inspect.ismethod(obj) or inspect.ismethoddescriptor(obj) or inspect.iscode(obj) or inspect.isgenerator(obj))
def __init__(self, config, text = '', attr = None): """ evaluate last possible expression part in text. attr can be a string or a filter-function which accepts/rejects (name,obj)-bindings. """ self.config = config debug("got text %s, attr %s" % (repr(text),repr(attr))) self.text = text if attr and type(attr) is str: self.attrname = attr self.func = lambda x: x[0].startswith(attr) else: self.attrname = '' self.func = attr or config.viewfilter # try finding code and evaluting it... self.code = TryParser.find_code(text) if inspect.iscode(self.code): try: self.obj = eval(self.code, vars(config.mainmodule)) except: raise Error(sys.exc_info()[1]) else: self.text = ''
def _find_lines(code, strs): """Return lineno dict for all code objects reachable from code.""" # get all of the lineno information from the code of this scope level linenos = _find_lines_from_code(code, strs) # and check the constants for references to other code objects for c in code.co_consts: if inspect.iscode(c): # find another code object, so recurse into it linenos.update(_find_lines(c, strs)) return linenos
def test_excluding_predicates(self): global tb self.istest(inspect.isbuiltin, 'sys.exit') self.istest(inspect.isbuiltin, '[].append') self.istest(inspect.iscode, 'mod.spam.__code__') try: 1/0 except: tb = sys.exc_info()[2] self.istest(inspect.isframe, 'tb.tb_frame') self.istest(inspect.istraceback, 'tb') if hasattr(types, 'GetSetDescriptorType'): self.istest(inspect.isgetsetdescriptor, 'type(tb.tb_frame).f_locals') else: self.assertFalse(inspect.isgetsetdescriptor(type(tb.tb_frame).f_locals)) finally: # Clear traceback and all the frames and local variables hanging to it. tb = None self.istest(inspect.isfunction, 'mod.spam') self.istest(inspect.isfunction, 'mod.StupidGit.abuse') self.istest(inspect.ismethod, 'git.argue') self.istest(inspect.ismodule, 'mod') self.istest(inspect.isdatadescriptor, 'collections.defaultdict.default_factory') self.istest(inspect.isgenerator, '(x for x in range(2))') self.istest(inspect.isgeneratorfunction, 'generator_function_example') if hasattr(types, 'MemberDescriptorType'): self.istest(inspect.ismemberdescriptor, 'datetime.timedelta.days') else: self.assertFalse(inspect.ismemberdescriptor(datetime.timedelta.days))
def __new__(cls, name, bases, attributes): try: constructor = attributes["__new__"] except KeyError: return type.__new__(cls, name, bases, attributes) def preparing_constructor(cls, name, bases, attributes): try: cls.__prepare__ except AttributeError: return constructor(cls, name, bases, attributes) namespace = cls.__prepare__(name, bases) defining_frame = sys._getframe(1) for constant in reversed(defining_frame.f_code.co_consts): if inspect.iscode(constant) and constant.co_name == name: def get_index(attribute_name, _names=constant.co_names): try: return _names.index(attribute_name) except ValueError: return 0 break else: return constructor(cls, name, bases, attributes) by_appearance = sorted( attributes.items(), key=lambda item: get_index(item[0]) ) for key, value in by_appearance: namespace[key] = value return constructor(cls, name, bases, namespace) attributes["__new__"] = wraps(constructor)(preparing_constructor) return type.__new__(cls, name, bases, attributes)
def iscode(obj): """A replacement for inspect.iscode() which we can't used because we may be using a different version of Python than the version of Python used in creating the byte-compiled objects. Here, the code types may mismatch. """ return inspect.iscode(obj) or isinstance(obj, Code3) or isinstance(obj, Code2)
def subsub(arg, line, num): """preforms regex substitution on current line of stdin for an arg""" pat, rep, count = arg if inspect.iscode(rep): return [re.sub(pat, lambda m: eval(rep, GenerousNamespace(m=m)), line)] return [re.sub(pat, rep, line, count=count)]
def _get_object_to_check(python_object): """Check if inspect.getfile has a chance to find the source.""" if (inspect.ismodule(python_object) or inspect.isclass(python_object) or inspect.ismethod(python_object) or inspect.isfunction(python_object) or inspect.istraceback(python_object) or inspect.isframe(python_object) or inspect.iscode(python_object)): return python_object try: return python_object.__class__ except AttributeError: raise TypeError # Prevents computation of `repr` within inspect.
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.im_func if inspect.isfunction(obj): obj = obj.func_code 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 could be fooled by a multiline function # signature, where a continuation line begins with a quote # mark. if lineno is not None: if source_lines is None: return lineno+1 pat = re.compile('(^|.*:)\s*\w*("|\')') for lineno in range(lineno, len(source_lines)): if pat.match(source_lines[lineno]): return lineno # We couldn't find the line number. return None ###################################################################### ## 5. DocTest Runner ######################################################################
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 = im_func(obj) if inspect.isfunction(obj): obj = func_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 could be fooled by a multiline function # signature, where a continuation line begins with a quote # mark. if lineno is not None: if source_lines is None: return lineno+1 pat = re.compile('(^|.*:)\s*\w*("|\')') for lineno in range(lineno, len(source_lines)): if pat.match(source_lines[lineno]): return lineno # We couldn't find the line number. return None ###################################################################### ## 5. DocTest Runner ######################################################################
