Project Summary
Pexpect makes Python a better tool for controlling other applications.
Pexpect is a pure Python module for spawning child applications; controlling them; and responding to expected patterns in their output. Pexpect works like Don Libes' Expect. Pexpect allows your script to spawn a child application and control it as if a human were typing commands.
Pexpect can be used for automating interactive applications such as ssh, ftp, passwd, telnet, etc. It can be used to a automate setup scripts for duplicating software package installations on different servers. It can be used for automated software testing. Pexpect is in the spirit of Don Libes' Expect, but Pexpect is pure Python. Pexpect does not require TCL or Expect nor does it require C extension.
In a Nutshell, pexpect...
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took an estimated 2 years of effort (COCOMO model)
starting with its first commit in August, 2002
ending with its most recent commit over 13 years ago
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MIT License
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Project Security
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30 Day SummaryDec 20 2025 — Jan 19 2026
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12 Month SummaryJan 19 2025 — Jan 19 2026
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