To make all scripts relocatable.
The layout of my project is:
/some/path/myproject/
/some/path/myproject/some_script
/some/path/myproject/some_other_script
/some/path/myproject/set_paths.py
/some/path/myproject/setttings.py
/some/path/myproject/lib/ # some external libraries/apps checked in with my project.
/some/path/myproject/myapp/ # my apps etc.
This way myproject folder can be moved anywhere on the file system, and calling right path, settings.py is used.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | # content of set_paths.py:
import sys, os
import path # http://www.jorendorff.com/articles/python/path/
def set_paths(f):
p = path.path(f)
sys.path.append(str(p.parent.joinpath("..").abspath()))
sys.path.append(str(p.parent.parent.joinpath("lib/").abspath()))
os.environ["DJANGO_SETTINGS_MODULE"] = "myproject.settings"
# usage:
# contents of file "some_script":
#!/usr/bin/python
import set_paths
set_paths.set_paths(__file__) # this must be the first thing in the script.
from myproject.myapp.models import MyModel
print MyModel.objects.count() # whatever.
|
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