NOTE: This error is almost always caused because the command does not exist, because the working directory does not exist, or from a windows-only bug. I found a particular easy way to get the idea of the root cause of: The problem of this error is, there is really little information in the error message … Read more
Use a trap! …then, whenever you create a temporary file: and $temp_foo will be deleted on exit, and the current line number will be printed. (set -e will likewise give you exit-on-error behavior, though it comes with serious caveats and weakens code’s predictability and portability). You can either let the trap call error for you (in which case it uses the default … Read more
adds all the names without leading underscores (or only the names defined in the modules __all__ attribute) in foo into your current module. In the above code with from socket import * you just want to catch timeout as you’ve pulled timeout into your current namespace. from socket import * pulls in the definitions of everything inside of socket but doesn’t add socket itself. Many people consider import * problematic and try … Read more
I’m not sure, but try like that :
Calling sys.exit with a string will work. The docs mention this use explicitly: In particular, sys.exit(“some error message”) is a quick way to exit a program when an error occurs.
I don’t see an array anywhere in your code, so that’s maybe why the try block isn’t catching anything (I assume there is an array in one of the called methods?). Also, you really, really shouldn’t allow your program to read outside the bounds of an array. That’s just bad design. That being said, here … Read more
You need to escape the “\” in the file path.