How to execute code string in Python?

Question

I know there is a question similar to it here but I am having a different problem.

I have some code files in a plugin but the plugin uses internal paths only the software knows, so I am not able to access that path to use it with execfile.

But there is an internal python function called readInternalFile (path), where I can use this internal path and it returns the contents of this file as a string.

So I thought then I could use the standard python function exec, but as soon as I do that, it complains about the very first line being '\r\n'.

How can I fix this? I print the type of the data readInternalFile returns, and it's str, so everything should be fine, right?

The code in the file works by itself and has no syntax errors, etc.

Answer 1

s1 = readInternalFile(path)
statements = s1.split("\r\n")
for stmt in statements:
    exec(stmt)

should work

>>> s1 = "a=32\r\nb=a+5\r\nprint b"
>>> statements = s1.split("\r\n")
>>> for stmt in statements:
...    exec(stmt)
...
37
>>>

or you can just replace the endlines with ";" like so

>>> s1 = "a=32\r\nb=a+5\r\nprint b"
>>> s2 = s1.replace("\r\n",";")
>>> exec(s2)
37

I should also mention that typically using exec is a bad idea...

also this will break if you switch your endline encoding....