使用Python 3.8.0a3和Werkzeug 0.15.4,编译规则构建器将导致TypeError: required field "type_ignores" missing from Module
。 听起来ast.Module
有一个新的必填参数。
我认为这是与https://github.com/beetbox/beets/issues/3201#issuecomment -478341869相同的问题
flask run
* Serving Flask app "flask_test.py"
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: off
Traceback (most recent call last):
File "d:\tool\python\38\lib\runpy.py", line 192, in _run_module_as_main
return _run_code(code, main_globals, None,
File "d:\tool\python\38\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "d:\tool\python\38\Scripts\flask.exe\__main__.py", line 9, in <module>
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 906, in main
cli.main(args=args, prog_name=name)
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 569, in main
return super(FlaskGroup, self).main(*args, **kwargs)
File "d:\tool\python\38\lib\site-packages\click\core.py", line 717, in main
rv = self.invoke(ctx)
File "d:\tool\python\38\lib\site-packages\click\core.py", line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "d:\tool\python\38\lib\site-packages\click\core.py", line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "d:\tool\python\38\lib\site-packages\click\core.py", line 555, in invoke
return callback(*args, **kwargs)
File "d:\tool\python\38\lib\site-packages\click\decorators.py", line 64, in new_func
return ctx.invoke(f, obj, *args, **kwargs)
File "d:\tool\python\38\lib\site-packages\click\core.py", line 555, in invoke
return callback(*args, **kwargs)
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 779, in run_command
app = DispatchingApp(info.load_app, use_eager_loading=eager_loading)
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 300, in __init__
self._load_unlocked()
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 324, in _load_unlocked
self._app = rv = self.loader()
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 381, in load_app
app = locate_app(self, import_name, name)
File "d:\tool\python\38\lib\site-packages\flask\cli.py", line 236, in locate_app
__import__(module_name)
File "D:\flask_test.py", line 3, in <module>
app = Flask(__name__)
File "d:\tool\python\38\lib\site-packages\flask\app.py", line 559, in __init__
self.add_url_rule(
File "d:\tool\python\38\lib\site-packages\flask\app.py", line 67, in wrapper_func
return f(self, *args, **kwargs)
File "d:\tool\python\38\lib\site-packages\flask\app.py", line 1217, in add_url_rule
self.url_map.add(rule)
File "d:\tool\python\38\lib\site-packages\werkzeug\routing.py", line 1388, in add
rule.bind(self)
File "d:\tool\python\38\lib\site-packages\werkzeug\routing.py", line 730, in bind
self.compile()
File "d:\tool\python\38\lib\site-packages\werkzeug\routing.py", line 794, in compile
self._build = self._compile_builder(False).__get__(self, None)
File "d:\tool\python\38\lib\site-packages\werkzeug\routing.py", line 951, in _compile_builder
code = compile(module, "<werkzeug routing>", "exec")
TypeError: required field "type_ignores" missing from Module
这需要作为标准库中未记录且向后不兼容的API更改报告给CPython。
@asottile您有什么想法? 我不确定我们是否应该解决此问题,Python 3.8导致了一段时间后解决了随机问题。
看起来这是在CPython https://bugs.python.org/issue35894中报告的,解决方案是下游代码应添加if sys.version_info >= (3, 8)
。 :不开心:
resolution真是个古怪的解决方案-我将为此提供更便捷的解决方案!
感谢您快速解决此问题以及其他许多问题。 Python 3.8.0 final已发布。 我们可以获取Werkzeug 0.15.5版本吗?
有没有人解决此问题?
它已在后续版本中修复。 升级您的Werkzeug版本。
最有用的评论
它已在后续版本中修复。 升级您的Werkzeug版本。