#!/usr/bin/env python
import os
import sys
if __name__ == "__main__":
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mypro.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)
-
os.environ
A mapping object representing the string environment.
For example, environ['HOME'] is the pathname of your home directory.
>>> import os
>>> os.environ['HOME']
'/home/alphacocoa'
-
dict.setdefault(key[, default])
Ifkeyis in the dictionary, return itsvalue. If not, insertkeywith a value ofdefaultand returndefault.defaultdefaults toNone.
>>> os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mypro.settings")
'mypro.settings'
>>> os.environ['DJANGO_SETTINGS_MODULE']
'mypro.settings'
>>> os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mypro")
'mypro.settings' ; If key is in the dictionary, return its value.
>>> os.environ['DJANGO_SETTINGS_MODULE']
'mypro.settings'
