xsec is a tool for fast evaluation of cross-sections, taking advantage of the power and flexibility of Gaussian process regression.
Home Page: https://github.com/jeriek/xsec
License: GNU General Public License v3.0
There seems to be a problem with using the pickled GPs in Python 3. I get the following error trying to run
Traceback (most recent call last):
File "/Users/ahye/Projects/gambit/xsecs/smoking/pyenv3/bin/xsec-test", line 44, in <module>
xsec.load_processes(processes)
File "/Users/ahye/Projects/gambit/xsecs/smoking/pyenv3/lib/python3.7/site-packages/xsec/gploader.py", line 391, in load_processes
process_xstype, energy
File "/Users/ahye/Projects/gambit/xsecs/smoking/pyenv3/lib/python3.7/site-packages/xsec/gploader.py", line 324, in load_single_process
gp_reco = reconstruct_gp(model_file)
File "/Users/ahye/Projects/gambit/xsecs/smoking/pyenv3/lib/python3.7/site-packages/xsec/gploader.py", line 216, in reconstruct_gp
gp_model = joblib.load(file_object)
File "/Users/ahye/Projects/gambit/xsecs/smoking/pyenv3/lib/python3.7/site-packages/joblib/numpy_pickle.py", line 575, in load
obj = _unpickle(fobj)
File "/Users/ahye/Projects/gambit/xsecs/smoking/pyenv3/lib/python3.7/site-packages/joblib/numpy_pickle.py", line 518, in _unpickle
raise new_exc
ValueError: You may be trying to read with python 3 a joblib pickle generated with python 2. This feature is not supported by joblib.
[@jeriek and I discussed this on email -- just registering an issue here to log it properly. Jeriek already has a fix ready.]
There seems to be a problem with shebang expansion and setuptools. Here's how I can reproduce it with a clean Python2.7 environment:
virtualenv myenvs27/xsec_test
source myenvs27/xsec_test/bin/activate
pip install xsec==1.0.1
xsec-download-gprocs -t gg
This produces a No such file or directory error because it is looking for the Python binary in the wrong path. (Looks like setuptools has expanded the shebang in the source code.)
[A second issue that @jeriek and I discussed via email. Just registering it here to log it properly. Jeriek has a fix ready.]
For Python3 there is an indirect dependency on the dill module, related to unpickling the trained GPs. Here's how to reproduce it from a clean Python3 environment:
python3 -m venv myenv3/xsec_test
source myenv3/xsec_test/bin/activate
pip install xsec==1.0.0
xsec-download-gprocs -t gg
xsec-test ./gprocs
This gives the following error:
Traceback (most recent call last):
File "/home/anders/myenv3/xsec_test/bin/xsec-test", line 44, in <module>
xsec.load_processes(processes)
File "/home/anders/myenv3/xsec_test/lib/python3.8/site-packages/xsec/gploader.py", line 390, in load_processes
PROCESS_DICT[process_xstype] = load_single_process(
File "/home/anders/myenv3/xsec_test/lib/python3.8/site-packages/xsec/gploader.py", line 324, in load_single_process
gp_reco = reconstruct_gp(model_file)
File "/home/anders/myenv3/xsec_test/lib/python3.8/site-packages/xsec/gploader.py", line 216, in reconstruct_gp
gp_model = joblib.load(file_object)
File "/home/anders/myenv3/xsec_test/lib/python3.8/site-packages/joblib/numpy_pickle.py", line 575, in load
obj = _unpickle(fobj)
File "/home/anders/myenv3/xsec_test/lib/python3.8/site-packages/joblib/numpy_pickle.py", line 504, in _unpickle
obj = unpickler.load()
File "/usr/lib/python3.8/pickle.py", line 1210, in load
dispatch[key[0]](self)
File "/usr/lib/python3.8/pickle.py", line 1526, in load_global
klass = self.find_class(module, name)
File "/usr/lib/python3.8/pickle.py", line 1577, in find_class
__import__(module, level=0)
ModuleNotFoundError: No module named 'dill'
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