【问题标题】:Error importing devserver module devserver.modules.sql: "cannot import name util"导入 devserver 模块 devserver.modules.sql 时出错:“无法导入名称 util”
【发布时间】:2020-01-19 08:03:52
【问题描述】:

刚从 django 1.8 升级到 1.9 并在迁移时出现此错误:

导入 devserver 模块 devserver.modules.sql 时出错:“无法导入名称 util”

虽然他们说这里是固定的: https://github.com/dcramer/django-devserver/issues/131


[localhost] local: python manage.py migrate
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/halit/project_folder/.venv/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 350, in execute_from_command_line
    utility.execute()
  File "/home/halit/project_folder/.venv/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 324, in execute
    django.setup()
  File "/home/halit/project_folder/.venv/local/lib/python2.7/site-packages/django/__init__.py", line 18, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/halit/project_folder/.venv/local/lib/python2.7/site-packages/django/apps/registry.py", line 108, in populate
    app_config.import_models(all_models)
  File "/home/halit/project_folder/.venv/local/lib/python2.7/site-packages/django/apps/config.py", line 202, in import_models
    self.models_module = import_module(models_module_name)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/home/halit/project_folder./venv/local/lib/python2.7/site-packages/devserver/models.py", line 40, in <module>
    load_modules()
  File "/home/halit/project_folder/.venv/local/lib/python2.7/site-packages/devserver/models.py", line 25, in load_modules
    raise exceptions.ImproperlyConfigured, 'Error importing devserver module %s: "%s"' % (name, e)
django.core.exceptions.ImproperlyConfigured: Error importing devserver module devserver.modules.sql: "cannot import name util"

Fatal error: local() encountered an error (return code 1) while executing 'python manage.py migrate'

Aborting.

【问题讨论】:

    标签: python django python-2.7 django-dev-server


    【解决方案1】:

    我遇到了同样的问题。编辑 usr/local/lib/python2.7/dist-packages/devserver/modules/sql.py 文件并将第 15 行的导入更改为:

    from django.db.backends import util

    from django.db.backends import utils

    似乎做到了。我不得不将文件中的所有引用从 util 更改为 utils

    【讨论】:

    • 感谢您的回答,但是,好吧...我不能只更改第三方应用程序(在这种情况下为 devserver)的模块,因为它无论如何都不会在服务器上工作。
    • 我认为你可以分叉 repo,然后将 pip 指向你在 github 中的版本?
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