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google-app-engine - Flask 不会重定向到 GAE 上带有斜杠的规范 URL

问题描述

我有一个简单的 Flask 应用程序。 在本地主机上，Flask 重定向到带有斜杠的规范 URL。所以如果我访问localhost:8080/test，它会带我去localhost:8080/test/

但是，当我部署到 google app engine时，我尝试***.appspot.com/test，它只是返回 404 错误。它不会重定向到带有斜杠的规范 URL。我真的无法弄清楚问题所在。我使用 gae-init https://github.com/gae-init/gae-init

这是我的 app.yaml 文件

service: default
instance_class: F1
runtime: python27
api_version: 1
threadsafe: true

builtins:
- appstats: on
- deferred: on
- remote_api: on

inbound_services:
- warmup

libraries:
- name: ssl
  version: latest

error_handlers:
- file: templates/error_static.html

handlers:
- url: /favicon.ico
  static_files: static/img/favicon.ico
  upload: static/img/favicon.ico

- url: /robots.txt
  static_files: static/robots.txt
  upload: static/robots.txt

- url: /p/(.*\.ttf)
  static_files: static/\1
  upload: static/(.*\.ttf)
  mime_type: font/ttf
  expiration: "365d"

- url: /p/(.*\.woff2)
  static_files: static/\1
  upload: static/(.*\.woff2)
  mime_type: font/woff2
  expiration: "365d"

- url: /p/
  static_dir: static/
  expiration: "365d"

- url: /.*
  script: main.app
  secure: always
  redirect_http_response_code: 301

skip_files:
- ^(.*/)?#.*#
- ^(.*/)?.*/RCS/.*
- ^(.*/)?.*\.bak$
- ^(.*/)?.*\.py[co]
- ^(.*/)?.*~
- ^(.*/)?Icon\r
- ^(.*/)?\..*
- ^(.*/)?app\.yaml
- ^(.*/)?app\.yml
- ^(.*/)?index\.yaml
- ^(.*/)?index\.yml
- ^lib/.*
- ^static/dev/.*
- ^static/ext/.*\.coffee
- ^static/ext/.*\.css
- ^static/ext/.*\.js
- ^static/ext/.*\.less
- ^static/ext/.*\.json
- ^static/src/.*

这是我处理测试的方式

@app.route('/test/')
@auth.login_required
def contact_list():
  contact_dbs, contact_cursor = model.Contact.get_dbs(
      user_key=auth.current_user_key(),
    )

  return flask.render_template(
      'contact_list.html',
      html_class='contact-list',
      title='Contact List',
      contact_dbs=contact_dbs,
      next_url=util.generate_next_url(contact_cursor),
    )


The console log is 
2018-06-14 02:45:09.388 JST
301 - Moved Permanently: https://ktest321986.appspot.com/contact (/base/data/home/apps/b~ktest321986/20180613t165904.410404733871213095/control/error.py:29)
2018-06-14 02:45:09.389 JST
301 Moved Permanently: None (/base/data/home/apps/b~ktest321986/20180613t165904.410404733871213095/control/error.py:31)
Traceback (most recent call last):
  File "lib.zip/flask/app.py", line 1813, in full_dispatch_request
    rv = self.dispatch_request()
  File "lib.zip/flask/app.py", line 1791, in dispatch_request
    self.raise_routing_exception(req)
  File "lib.zip/flask/app.py", line 1774, in raise_routing_exception
    raise request.routing_exception
RequestRedirect: 301 Moved Permanently: None

您可以在这里尝试：不起作用：https ://ktest321986.appspot.com/contact 工作：https ://ktest321986.appspot.com/contact/

标签： google-app-engineflask

解决方案

我不知道是什么问题。但是，当我从 Mac 部署项目时，问题就消失了。如果我从窗口 10 部署项目，问题就来了。太搞笑了！

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