PyArmor

What it is

PyArmor is a tool used to obfuscate Python scripts, allowing developers to bind obfuscated scripts to specific machines or set expiration dates. This helps in protecting the intellectual property of software and controlling its distribution.

PyArmor stands out as a robust, open-source solution for Python script protection, offering both machine binding and expiration features without requiring cloud services or additional fees.

When it fits — and when it doesn’t

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

1. 01

   Limited protection against determined reverse engineering

   Obfuscation can be reversed by experienced attackers, providing only a moderate level of security.

2. 02

   Performance overhead on obfuscated scripts

   The process of decrypting and executing the script at runtime can introduce significant performance penalties.

3. 03

   Complex setup for machine binding and expiration dates

   Configuring PyArmor to bind scripts to specific machines or set expiration dates requires detailed understanding and careful configuration, which can be error-prone.

4. 04

   Limited support for certain Python packages and environments

   PyArmor may not work seamlessly with all third-party libraries or virtual environments, leading to potential compatibility issues.

What it does well

• Obfuscates Python scripts to protect intellectual property.

• Binds obfuscated scripts to specific machines for security.

• Sets expiration dates on obfuscated scripts.

• Supports command-line interface and integration with build systems.

Pricing

Free tier

YesOpen source — free to use

Paid from

$0

Model

Flat rate

Enterprise plan

No

Pricing not independently confirmed — check the vendor’s page.