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File “＜frozen importlib._bootstrap＞“, line 219, in _call_with_frames_removed ValueError: source cod

2020年07月18日  | 移动技术网IT编程  | 我要评论

django的坑 inspectdb

问题:

学习github上大佬的python教程(42天)时遇到的问题

django中,为了创建models.py

python manage.py inspectdb > polls/models.py

python manage.py shell

执行这句后就出现了

Traceback (most recent call last):
  File "manage.py", line 20, in <module>
    main()
  File "manage.py", line 16, in main
    execute_from_command_line(sys.argv)
  File "C:\Users\gg\Desktop\Dive Into Python\.venv\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
    utility.execute()
  File "C:\Users\gg\Desktop\Dive Into Python\.venv\lib\site-packages\django\core\management\__init__.py", line 377, in execute
    django.setup()
  File "C:\Users\gg\Desktop\Dive Into Python\.venv\lib\site-packages\django\__init__.py", line 24, in setup     
    apps.populate(settings.INSTALLED_APPS)
  File "C:\Users\gg\Desktop\Dive Into Python\.venv\lib\site-packages\django\apps\registry.py", line 114, in populate
    app_config.import_models()
  File "C:\Users\gg\Desktop\Dive Into Python\.venv\lib\site-packages\django\apps\config.py", line 211, in import_models
    self.models_module = import_module(models_module_name)
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 674, in exec_module
  File "<frozen importlib._bootstrap_external>", line 781, in get_code
  File "<frozen importlib._bootstrap_external>", line 741, in source_to_code
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
ValueError: source code string cannot contain null bytes

ValueError: source code string cannot contain null bytes

排查结果:

python manage.py inspectdb > polls/models.py
生成出来的文件models.py的文件格式不是utf8导致

解决方法

使用 notepad++ 等编辑器打开 models.py 改成 utf8格式就行了

答案发现处:

StackOverflow

本文地址：https://blog.csdn.net/rhddlr/article/details/107396333

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