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TCP port monitoring utilities

Project description

portend

por·tend pôrˈtend/ verb

be a sign or warning that (something, especially something momentous or calamitous) is likely to happen.

Usage

Use portend to monitor TCP ports for bound or unbound states.

For example, to wait for a port to be occupied, timing out after 3 seconds:

portend.occupied('www.google.com', 80, timeout=3)

Or to wait for a port to be free, timing out after 5 seconds:

portend.free('::1', 80, timeout=5)

The portend may also be executed directly. If the function succeeds, it returns nothing and exits with a status of 0. If it fails, it prints a message and exits with a status of 1. For example:

python -m portend localhost:31923 free
(exits immediately)

python -m portend -t 1 localhost:31923 occupied
(one second passes)
Port 31923 not bound on localhost.

1.2

Only require pytest-runner when pytest is invoked.

1.1

Renamed functions:

  • wait_for_occupied_port: occupied

  • wait_for_free_port: free

The original names are kept as aliases for now.

Added execution support for the portend module. Invoke with python -m portend.

1.0

Initial release based on utilities in CherryPy 3.5.

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