我能够使用Visual Studio 2012的Python工具运行我的Google App Engine webapp2应用程序，按照这个教程操作后没有问题，甚至可以调试服务器初始化代码，但是当网站加载时，我无法使其在get或post方法处中断，类似于这个视频中展示的main()方法。当我暂停调试器时，它总是最终进入wsgi_server.py中的以下无限循环：
def _loop_forever(self):
while True:
self._select()
def _select(self):
with self._lock:
fds = self._file_descriptors
fd_to_callback = self._file_descriptor_to_callback
if fds:
if _HAS_POLL:
# With 100 file descriptors, it is approximately 5x slower to
# recreate and reinitialize the Poll object on every call to _select
# rather reuse one. But the absolute cost of contruction,
# initialization and calling poll(0) is ~25us so code simplicity
# wins.
poll = select.poll()
for fd in fds:
poll.register(fd, select.POLLIN)
ready_file_descriptors = [fd for fd, _ in poll.poll(1)]
else:
ready_file_descriptors, _, _ = select.select(fds, [], [], 1)
for fd in ready_file_descriptors:
fd_to_callback[fd]()
else:
# select([], [], [], 1) is not supported on Windows.
time.sleep(1)
在PTVS中，是否可以设置断点以在本地主机加载页面时触发Google App Engine webapp2应用程序？
编辑：使用cprcrack的设置，我成功运行了GAE，但在加载主页面时出现错误。
Traceback (most recent call last):
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 3003, in _HandleRequest
self._Dispatch(dispatcher, self.rfile, outfile, env_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 2862, in _Dispatch
base_env_dict=env_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 719, in Dispatch
base_env_dict=base_env_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 1797, in Dispatch
self._module_dict)
File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver.py", line 1648, in ExecuteCGI
app_log_handler = app_logging.AppLogsHandler()
File "C:\Python\lib\logging\__init__.py", line 660, in __init__
_addHandlerRef(self)
File "C:\Python\lib\logging\__init__.py", line 639, in _addHandlerRef
_releaseLock()
File "C:\Python\lib\logging\__init__.py", line 224, in _releaseLock
_lock.release()
File "C:\Python\lib\threading.py", line 138, in release
self.__count = count = self.__count - 1
File "C:\Python\lib\threading.py", line 138, in release
self.__count = count = self.__count - 1
File "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\Extensions\Microsoft\Python Tools for Visual Studio\2.0\visualstudio_py_debugger.py", line 557, in trace_func
return self._events[event](frame, arg)
File "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\Extensions\Microsoft\Python Tools for Visual Studio\2.0\visualstudio_py_debugger.py", line 650, in handle_line
if filename == frame.f_code.co_filename or (not bound and filename_is_same(filename, frame.f_code.co_filename)):
File "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\Extensions\Microsoft\Python Tools for Visual Studio\2.0\visualstudio_py_debugger.py", line 341, in filename_is_same
import ntpath
File "C:\Python\lib\ntpath.py", line 8, in <module>
import os
File "C:\Python\lib\os.py", line 120, in <module>
from os.path import (curdir, pardir, sep, pathsep, defpath, extsep, altsep,
ImportError: cannot import name curdir
这个错误是否是因为我需要回退到Python 2.5才能使用旧的dev_appserver？
old_dev_appserver.py。我会在有时间的时候按照你的建议尝试一些调整。 - 1''