在Google Cloud上部署应用程序期间出现Nltk问题

问题描述

我试图在gcloud应用引擎上部署应用程序，当部署完成并且尝试浏览URL时，出现502服务器错误.日志显示nltk软件包有问题:

I tried to deploy my application on gcloud app engine, when the deployment finish and I tried to brows the URL, I got 502 server error. The log shows that there is problem with nltk package:

[31m>>> import nltk
   >>> nltk.download('punkt')
   [0m
   Searched in:
     - '/root/nltk_data'
     - '/usr/share/nltk_data'
     - '/usr/local/share/nltk_data'
     - '/usr/lib/nltk_data'
     - '/usr/local/lib/nltk_data'
     - '/env/nltk_data'
     - '/env/lib/nltk_data'
     - ''

我已经在我的app.yaml文件中添加了必要的硬件要求:

I have put the necessary hardware requirement on my app.yaml file :

service: vapi
runtime: python
env: flex
health_check:
    enable_health_check: True
    check_interval_sec: 5
    timeout_sec: 4
    unhealthy_threshold: 2
    healthy_threshold: 2
entrypoint: gunicorn -b :$PORT wsgi:app
runtime_config:
    python_version: 3.5
resources:
  cpu: 2
  memory_gb: 8
  disk_size_gb: 20

我试图将nltk软件包安装到上面日志中显示的搜索路径之一中.

I have tried to install the nltk packages into one of the search path shown in the log above.

另外，我还创建了App Engine配置文件:

also, I have created app engine configuration file:

# appengine_config.py
from google.appengine.ext import vendor

# Add any libraries install in the "lib" folder.
vendor.add(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'lib'))

有什么建议吗?

推荐答案

您正在将标准环境的文档与灵活环境的文档混在一起.

You're mixing up the documentation for the standard environment with the one for the flexible environment.

在lib目录中安装依赖项并使用appengine_config.py文件是特定于第一代标准环境.

Installing dependencies into the lib directory and using a appengine_config.py file is specific for the 1st generation standard environment.

对于灵活的环境，您可以使用requirements.txt文件指定python依赖项，请参见使用Python库:

For the flexible environment you specify your python dependencies using the requirements.txt file, see Using Python Libraries:

对于非python依赖项或不能pip安装的依赖项，可以使用自定义运行时，请参见

For non-python dependencies or those which aren't pip-installable you can use a custom runtime, see Up-to-date pip with AppEngine Python flex env?

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