Core Python Programming, Second Edition

Chapter 14. Execution Environment

Chapter Topics

• Callable Objects

• Code Objects

• Statements and Built-in Functions

• Executing Other Programs

• Terminating Execution

• Miscellaneous Operating System Interface

• Related Modules

There are multiple ways in Python to run other pieces of code outside of the currently executing program, i.e., run an operating system command or another Python script, or execute a file on disk or across the network. It all depends on what you are trying to accomplish. Some specific execution scenarios could include:

• Remain executing within our current script

• Create and manage a subprocess

• Execute an external command or program

• Execute a command that requires input

• Invoke a command across the ...