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A common runtime for AWS Python projects

Project description

AWS CRT Python


Python 3 bindings for the AWS Common Runtime.


This library is licensed under the Apache 2.0 License.

Minimum Requirements:

  • Python 3.7+


To install from pip:

python3 -m pip install awscrt

To install from Github:

git clone
cd aws-crt-python
git submodule update --init
python3 -m pip install .

To use from your Python application, declare awscrt as a dependency in your file.

Mac-Only TLS Behavior

Please note that on Mac, once a private key is used with a certificate, that certificate-key pair is imported into the Mac Keychain. All subsequent uses of that certificate will use the stored private key and ignore anything passed in programmatically. Beginning in v0.6.2, when a stored private key from the Keychain is used, the following will be logged at the "info" log level:

static: certificate has an existing certificate-key pair that was previously imported into the Keychain. Using key from Keychain instead of the one provided.

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