pydoc.locate
从代码块或基本交互式 shell 调用时不会抛出错误。只有当我从 pycharm 中启动 IPython 控制台时,locate
如果提供不存在的模块作为参数,它会引发错误。
Python 代码:None
作为输出打印
import pydoc
def test_pydoc_locate():
print pydoc.locate('nonexistent.module.name')
if __name__ == "__main__":
test_pydoc_locate()
从 pycharm 运行 IPython
from pydoc import locate
imported_module = locate('nonexistent.module.name')
Traceback (most recent call last):
File "/home/testuser/anaconda/lib/python2.7/site-packages/IPython/core/interactiveshell.py", line 3035, in run_code
exec(code_obj, self.user_global_ns, self.user_ns)
File "<ipython-input-3-756f8a48c1ad>", line 1, in <module>
imported_module = locate('nonexistent.module.name')
File "/home/testuser/anaconda/lib/python2.7/pydoc.py", line 1517, in locate
nextmodule = safeimport(join(parts[:n+1], '.'), forceload)
File "/home/testuser/anaconda/lib/python2.7/pydoc.py", line 342, in safeimport
raise ErrorDuringImport(path, sys.exc_info())
ErrorDuringImport: problem in nonexistent - <type 'exceptions.ImportError'>: No module named nonexistent
从终端运行 python
>>> from pydoc import locate
>>> imported_module = locate('nonexistent.module.name')
>>> print imported_module
None
pycharm IDE 是否将某些东西设置为系统变量,以便能够locate
意识到存在导入错误?
如果有人可以测试和解释这种行为,我将不胜感激。
谢谢!