Python 使用imp动态导入模块
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Importing a module dynamically using imp
提问by Richard
I am trying to import a module from a different directory dynamically. I am following an answer from this question. I have a module named bar in a directory named foo. The main script will be running in the parent directory to foo.
我正在尝试从不同的目录动态导入模块。我正在关注这个问题的答案。我在名为 foo 的目录中有一个名为 bar 的模块。主脚本将在 foo 的父目录中运行。
Here is the code i have thus far in my test script (which is running in the parent directory to foo)
这是我迄今为止在我的测试脚本中的代码（它在父目录中运行到 foo）
#test.py
import imp
mod = imp.load_source("bar","./foo")
and code for bar.py
和 bar.py 的代码
#bar.py
class bar:
def __init__(self):
print "HELLO WORLD"
But when i run test.py I get this error:
但是当我运行 test.py 时，我收到此错误：
Traceback (most recent call last):
File "C:\Documents and Settings\user\Desktop\RBR\test.py", line 3, in <module>
mod = imp.load_source("bar","./foo")
IOError: [Errno 13] Permission denied
采纳答案by Lucas S.
imp.load_sourcerequires the pathname + file name of the module to import, you should change your source for the one below:
imp.load_source需要导入模块的路径名 + 文件名，您应该更改以下源代码：
mod = imp.load_source("bar","./foo/bar.py")
回答by Petriborg
Appears to be a simple pathing problem - check __file__or cwd... Maybe try an absolute file path first? - This imp examplemay help.
似乎是一个简单的路径问题 - 检查__file__或 cwd ... 也许先尝试绝对文件路径？- 这个小鬼例子可能会有所帮助。
