Python – Error running flask on local GAE server [Errno 13]

Error running flask on local GAE server [Errno 13]… here is a solution to the problem.

Error running flask on local GAE server [Errno 13]

Try running Kamal Gill’s flask-appengine-template on the GAE development server on Windows. I get this error while trying to get the page. Tried reinstalling Python and App Engine.
A Google search could not find any similar issues. Help me, StackOverflow, you’re my only chance.

2012-06-18 19:36:29 Running command: "['C:\\Python27\\pythonw.exe', 'C:\\Program Files (x86)\\Google\\google_appengine\\dev_appserver.py', '--admin_console_server= ', '--port=8081', 'C:\\Users\\Roman Levin\\Documents\\webapps\\kamalgill-flask-appengine-template-c409e3c\\src']"
C:\Program Files (x86)\Google\google_appengine\google\appengine\api\search\search.py:232: UserWarning: DocumentOperationResult._code is deprecated. Use OperationResult._code instead.
  'Use OperationResult.%s instead.' % (name, name))
C:\Program Files (x86)\Google\google_appengine\google\appengine\api\search\search.py:232: UserWarning: DocumentOperationResult._CODES is deprecated. Use OperationResult._CODES instead.
  'Use OperationResult.%s instead.' % (name, name))
WARNING  2012-06-18 16:36:31,108 rdbms_mysqldb.py:74] The rdbms API is not available because the MySQLdb library could not be loaded.
WARNING  2012-06-18 16:36:31,325 datastore_file_stub.py:518] Could not read datastore data from c:\users\romanl~1\appdata\local\temp\dev_appserver.datastore
INFO     2012-06-18 16:36:31,421 dev_appserver_multiprocess.py:647] Running application dev~myflaskonappengineapp on port 8081: http://localhost:8081
INFO     2012-06-18 16:36:31,421 dev_appserver_multiprocess.py:649] Admin console is available at: http://localhost:8081/_ah/admin
ERROR    2012-06-18 16:39:41,960 wsgi.py:189] 
Traceback (most recent call last):
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\runtime\wsgi.py", line 187, in Handle
    handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\runtime\wsgi.py", line 225, in _LoadHandler
    handler = __import__(path[0])
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1858, in load_module
    return self. FindAndLoadModule(submodule, fullname, search_path)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1722, in FindAndLoadModule
    description)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1665, in LoadModuleRestricted
    description)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\application\__init__.py", line 11, in <module>
    import urls
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1858, in load_module
    return self. FindAndLoadModule(submodule, fullname, search_path)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1722, in FindAndLoadModule
    description)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1665, in LoadModuleRestricted
    description)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\application\urls.py", line 11, in <module>
    from application import views
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1858, in load_module
    return self. FindAndLoadModule(submodule, fullname, search_path)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1722, in FindAndLoadModule
    description)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1665, in LoadModuleRestricted
    description)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\application\views.py", line 20, in <module>
    from forms import ExampleForm
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1858, in load_module
    return self. FindAndLoadModule(submodule, fullname, search_path)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1722, in FindAndLoadModule
    description)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1665, in LoadModuleRestricted
    description)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\application\forms.py", line 11, in <module>
    from flaskext import wtf
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1858, in load_module
    return self. FindAndLoadModule(submodule, fullname, search_path)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1722, in FindAndLoadModule
    description)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1665, in LoadModuleRestricted
    description)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\flaskext\__init__.py", line 1, in <module>
    __import__('pkg_resources').declare_namespace(__name__)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1858, in load_module
    return self. FindAndLoadModule(submodule, fullname, search_path)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1722, in FindAndLoadModule
    description)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 676, in Decorate
    return func(self, *args, **kwargs)
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 1665, in LoadModuleRestricted
    description)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\pkg_resources.py", line 2646, in <module>
    working_set = WorkingSet()
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\pkg_resources.py", line 397, in __init__
    self.add_entry(entry)
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\pkg_resources.py", line 412, in add_entry
    for dist in find_distributions(entry, True):
  File "C:\Users\Roman Levin\Documents\webapps\kamalgill-flask-appengine-template-c409e3c\src\pkg_resources.py", line 1694, in find_on_path
    for entry in os.listdir(path_item):
  File "C:\Program Files (x86)\Google\google_appengine\google\appengine\tools\dev_appserver_import_hook.py", line 620, in __call__
    raise OSError(errno. EACCES, 'path not accessible', path)
OSError: [Errno 13] path not accessible: 'c:\\python27\\dlls'
INFO     2012-06-18 16:39:42,016 dev_appserver.py:2904] "GET / HTTP/1.1" 500 -

Solution

I’ve never used Kamal Gill’s repository, but I usually use blossom’s Flask GAE skeleton It’s easier to use. Just change the app identifier, point your Google App Engine to the gae folder, and you’re all set.

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