Setting a ClearCase View in Python

When working with ClearCase in Python, you may need to set a view to perform specific operations within a particular environment. This comprehensive guide will demonstrate how to accomplish this task using the Python programming language.

Various methods can effectively set a ClearCase view in Python. Utilizing the subprocess module is a common approach. However, alternative solutions exist to handle the complexities associated with spawned processes.

Option 1: Avoid Setting View

To avoid the complexities of spawning processes, it is recommended to directly work with the view using the cleartool startview command. By accessing the view tag using "/view/viewTag/aVob/...", you can execute commands within the desired view.

Option 2: Utilizing setview with Spawned Processes

If you prefer to use the setview command, you can create a Python script that invokes setview with the -exec parameter. This parameter specifies another Python script that will perform the desired operations while using the view set by the initial setview command.

Example Script

The following Python script demonstrates how to set a ClearCase view and perform an operation using a spawned process:

import subprocess
subprocess.call(["cleartool", "setview", "-exec", "python_script.py", "view_name"])

python_script.py

# This script would execute the commands you want to perform within the set view.

Note:

Setting a view can have implications for other processes running in the same environment. Therefore, it is essential to understand the implications of spawning processes and manage resources accordingly.