Core Python Programming

Chapter 14. Execution Environment

Chapter Topics

• Callable Objects

• Code Objects

• Statements and Built-in Functions

• Executing Other Programs

• Restricted Execution

• Terminating Execution

• Related Modules

There are multiple ways in Python to run a command or execute a file on disk. It all depends on what you are trying to accomplish. There are many possible scenarios during execution:

• Remain executing within our current script

• Create and manage a subprocess

• Execute an external command or program

• Execute a command which requires input

• Invoke a command across the network

• Execute a command creating output which requires processing

• Execute another Python script

• Execute a command or program in a secure environment

• Execute a set of dynamically-generated Python statements ...