我正在准备部署具有以下布局的Python软件包:
MyPackage/
setup.py
MyPackage/
__init__.py
__main__.py
lib/
__init__.py
utils.py
db/
__init__.py
db1.py
db2.py
tasks/
__init__.py
something.py
setup.py
包含:
setup(name = MyPackage,
...
packages = find_packages(),
include_package_data = True,
entry_points = {"console_scripts" : [
"do_something = MyPackage.__main__:main"
]})
__main__.py
包含:
import tasks.something as something
something.my_function()
something
模块包含:
import db.db1 as db1
import db.db2 as db2
def my_function():
db1.this_func(...)
db2.that_func(...)
db1
包含:
import sqlalchemy
import lib.utils as utils
def this_func(...):
sqlalchemy.create_engine(...)
和db2
包含:
import sqlalchemy
import lib.utils as utils
def that_func(...):
sqlalchemy.create_engine(...)
[从已安装的site-packages
目录执行时运行,__main__.py
完成没有问题。如果我在交互式会话中执行import MyPackage.tasks.something as something
,则该模块也会有问题地导入。但是,当我运行console_scripts
脚本do_something
时,我收到了ModuleNotFound
的tasks
错误。
是什么导致我的控制台脚本无法找到子包?
提前感谢!
__ main __。py:
import tasks.something as something
# to:
import MyPackage.tasks.something as something
# or
from .tasks import something as something
__main__.py
中的导入语句是隐式相对的。将它们更改为绝对导入。console_scripts
入口点目标需要解析为MyPackage/__main__.py
应该定义可调用的main
。__main__.py
:from MyPackage.tasks import something
def main():
# command line arguments parsing and logging configuration goes here ..
something.my_function()
if __name__ == "__main__":
main()
类似地,您应该将db1
,db2
和something
中的导入语句更改为正确的相对导入:
from ..db import db1 from ..db import db2 from ..lib import utils
或者,使用绝对导入:
from MyPackage.db import db1 from MyPackage.db import db2 from MyPackage.lib import utils