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improve python wrapper cmake flag instructions

release/4.3a0
John Lambert 2020-09-21 09:38:35 -04:00 committed by GitHub
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python/README.md
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@ -7,7 +7,10 @@ This is the Python wrapper around the GTSAM C++ library. We use our custom [wrap
## Requirements ## Requirements
- If you want to build the GTSAM python library for a specific python version (eg 3.6), - If you want to build the GTSAM python library for a specific python version (eg 3.6),
use the `-DGTSAM_PYTHON_VERSION=3.6` option when running `cmake` otherwise the default interpreter will be used. use the `-DGTSAM_PYTHON_VERSION=3.6` option when running `cmake` otherwise the default interpreter will be used. For example:
```bash
cmake .. -DGTSAM_BUILD_PYTHON=1 -DGTSAM_PYTHON_VERSION=3.6.10
```
- If the interpreter is inside an environment (such as an anaconda environment or virtualenv environment), - If the interpreter is inside an environment (such as an anaconda environment or virtualenv environment),
then the environment should be active while building GTSAM. then the environment should be active while building GTSAM.
- This wrapper needs `pyparsing(>=2.4.2)`, and `numpy(>=1.11.0)`. These can be installed as follows: - This wrapper needs `pyparsing(>=2.4.2)`, and `numpy(>=1.11.0)`. These can be installed as follows: