A python analysis framework for INTEGRAL-SPI
Project description
pyspi
A python analysis framework for INTEGRAL/SPI
PySPI
provides a plugin for 3ML for INTEGRAL/SPI data, which allows to analyze GRB data at the moment. In the future we plan to also add support for non transient sources.
Installation
Pip
PySPI
can be installed via pip.
pip install py-spi
Github
To install the latest release from Github run
git clone https://github.com/BjoernBiltzinger/pyspi.git
After that first install the packages from the requirement.txt file with
cd pyspi
pip install -r requirements.txt
Now you can install PySPI
with
python setup.py install
Additional Data Files
There are a few large data files for the background model and the response that are not included in the Github repository. To get these data files run and specify the path where this data folder should be stored on your local machine. Here you have to change the /path/to/internal/data with the path you want to use on your local computer.
wget https://grb.mpe.mpg.de/pyspi_datafolder && unzip pyspi_datafolder
mv data /path/to/internal/data && rm -f pyspi_datafolder
Environment Variables
Next you have to set two environment variable. One to define the path to the folder of the external data like the different SPI data files that will be downloaded by PySPI
and one to define the path to the internal data folder we downloaded earlier.
export PYSPI=/path/to/external/datafolder
export PYSPI_PACKAGE_DATA=/path/to/internal/data
You should add these two line to your bashrc (or similar) file to automatically set this variable in every new terminal.
Now we are ready to go.
Features
Please have a look at the documentation to check out the features PySPI
provides. There is also a full example, how to perform a spectral fit for the data for GRB120711A, as well as how to localize the GRB with PySPI
.
Contributing
Contributions to PySPI
are always welcome. They can come in the form of:
Issues
Please use the Github issue tracking system for any bugs, for questions, bug reports and or feature requests.
Add to Source Code
To directly contribute to the source code of PySPI
, please fork the Github repository, add the changes to one of the branches in your forked repository and then create a pull request to the master of the main repository from this branch. Code contribution is welcome for different topics:
Add Functionality
If PySPI
is missing some functionality that you need, you can either create an issue in the Github repository or add it to the code and create a pull request. Always make sure that the old tests do not break and adjust them if needed. Also please add tests and documentation for the new functionality in the pyspi/test folder. This ensures that the functionality will not get broken by future changes to the code and other people will know that this feature exists.
Code Improvement
You can also contribute code improvements, like making calculations faster or improve the style of the code. Please make sure that the results of the software do not change in this case.
Bug Fixes
Fixing bugs that you found or that are mentioned in one of the issues is also a good way to contribute to PySPI
. Please also make sure to add tests for your changes to check that the bug is gone and that the bug will not recur in future versions of the code.
Documentation
Additions or examples, tutorials, or better explanations are always welcome. To ensure that the documentation builds with the current version of the software, we are using jupytext to write the documentation in Markdown. These are automatically converted to and executed as jupyter notebooks when changes are pushed to Github.
Testing
If one wants to run the test suite, simply install pytest
and pytest-cov
, then run
pytest -v
in the top level directory.
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