运行后出现问题:heroku运行python manage.py迁移
当我在heroku中部署django应用程序时,我运行:运行后出现问题:heroku运行python manage.py迁移,python,django,heroku,migrate,Python,Django,Heroku,Migrate,当我在heroku中部署django应用程序时,我运行: heroku run python3 manage.py migrate 我的控制台里有一个消息: File "manage.py", line 16 ) from exc ^ SyntaxError: invalid syntax 我的manage.py文件实际上是: #!~/.virtualenvs/djangodev/bin/python """
heroku run python3 manage.py migrate
我的控制台里有一个消息:
File "manage.py", line 16
) from exc
^
SyntaxError: invalid syntax
我的manage.py文件实际上是:
#!~/.virtualenvs/djangodev/bin/python
"""Django's command-line utility for administrative tasks."""
import os
import sys
def main():
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myApp3.settings')
try:
from django.core.management import execute_from_command_line
except ImportError as exc:
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?"
) from exc
execute_from_command_line(sys.argv)
if __name__ == '__main__':
main()
当我运行python=>python3时,将显示下一条消息:
Traceback (most recent call last):
File "manage.py", line 10, in main
from django.core.management import execute_from_command_line
ModuleNotFoundError: No module named 'django'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 21, in <module>
main()
File "manage.py", line 16, in main
) from exc
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?
回溯(最近一次呼叫最后一次):
文件“manage.py”,第10行,主
从django.core.management导入从命令行执行
ModuleNotFoundError:没有名为“django”的模块
上述异常是以下异常的直接原因:
回溯(最近一次呼叫最后一次):
文件“manage.py”,第21行,在
main()
文件“manage.py”,第16行,主
)来自exc
ImportError:无法导入Django。您确定PYTHONPATH环境变量已安装并可用吗?您是否忘记激活虚拟环境?
您需要先设置一个虚拟环境。然后在虚拟环境中安装django。您可以通过一个名为pipenv
的东西来实现这一点。您需要通过执行以下操作将其添加到项目中python安装pipenv
。然后通过执行pipenv install django
在该虚拟环境中安装python。django安装后,您就可以进行迁移了。实际上,我首先拥有了虚拟环境。