由于引发Python错误，我无法启动Docker VM。
我尝试将Python版本从3.5切换到3.6到3.7。
我已直接连接到VM，并尝试直接从命令行运行命令(例如./manage.py makemigrations)，并收到相同的错误。 manage.py的内容在底部。
使用以下命令构建的docker虚拟机:
docker-compose pull
docker-compose build
docker-compose up
VM启动时，显示以下错误:
web_1 | ImportError: cannot import name 'format_lazy' from 'django.utils.text' (/usr/local/lib/python3.7/site-packages/django/utils/text.py)
完整跟踪如下:
web_1 | Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x7f9ba32c7b90>
web_1 | Traceback (most recent call last):
web_1 | File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 226, in wrapper
web_1 | fn(*args, **kwargs)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 113, in inner_run
web_1 | autoreload.raise_last_exception()
web_1 | File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 249, in raise_last_exception
web_1 | six.reraise(*_exception)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/utils/six.py", line 685, in reraise
web_1 | raise value.with_traceback(tb)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 226, in wrapper
web_1 | fn(*args, **kwargs)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/__init__.py", line 27, in setup
web_1 | apps.populate(settings.INSTALLED_APPS)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/apps/registry.py", line 108, in populate
web_1 | app_config.import_models(all_models)
web_1 | File "/usr/local/lib/python3.7/site-packages/django/apps/config.py", line 199, in import_models
web_1 | self.models_module = import_module(models_module_name)
web_1 | File "/usr/local/lib/python3.7/importlib/__init__.py", line 127, in import_module
web_1 | return _bootstrap._gcd_import(name[level:], package, level)
web_1 | File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
web_1 | File "<frozen importlib._bootstrap>", line 983, in _find_and_load
web_1 | File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
web_1 | File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
web_1 | File "<frozen importlib._bootstrap_external>", line 728, in exec_module
web_1 | File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
web_1 | File "/usr/local/lib/python3.7/site-packages/filer/models/__init__.py", line 5, in <module>
web_1 | from .imagemodels import * # noqa
web_1 | File "/usr/local/lib/python3.7/site-packages/filer/models/imagemodels.py", line 12, in <module>
web_1 | from .abstract import BaseImage
web_1 | File "/usr/local/lib/python3.7/site-packages/filer/models/abstract.py", line 12, in <module>
web_1 | from ..utils.compatibility import PILImage
web_1 | File "/usr/local/lib/python3.7/site-packages/filer/utils/compatibility.py", line 8, in <module>
web_1 | from django.utils.text import Truncator, format_lazy
web_1 | ImportError: cannot import name 'format_lazy' from 'django.utils.text' (/usr/local/lib/python3.7/site-packages/django/utils/text.py)
Manage.py:
#!/usr/bin/env python
import os
import sys
if __name__ == "__main__":
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "app.settings")
try:
from django.core.management import execute_from_command_line
except ImportError:
# The above import may fail for some other reason. Ensure that the
# issue is really that Django is missing to avoid masking other
# exceptions on Python 2.
try:
import django
except ImportError:
raise ImportError(
"Couldn't import Django. Are you sure it's installed and "
"available on your PYTHONPATH environment variable? Did you "
"forget to activate a virtual environment?"
)
raise
execute_from_command_line(sys.argv)
Dockerfile内容:
FROM python:3.7
ENV PYTHONUNBUFFERED 1
RUN mkdir /app
WORKDIR /app
ADD requirements.txt /app/
RUN pip install pip==9.0.1
RUN pip install -r requirements.txt
ADD . /app/
docker-compose.yml
version: '2'
services:
db:
image: postgres
web:
build: .
command: python manage.py runserver 0.0.0.0:8000
volumes:
- .:/app
ports:
- "8000:8000"
environment:
DATABASE_URL: postgres://app@postgres:5432/app
depends_on:
- db
最佳答案
在django.utils.text.format_lazy中添加了 Django 2.0 函数。
您应该从2.0升级到Django版本，或者将扩展降级到不依赖此功能的版本。
关于python - 无法启动Docker VM:ImportError:无法从 'format_lazy'导入名称 'django.utils.text'(Python错误)，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/59612390/