https://ww8central.ww.uni-erlangen.de/ 2026-04-10T10:39:42+00:00 https://ww8central.ww.uni-erlangen.de/ https://ww8central.ww.uni-erlangen.de/_media/wiki/logo.png text/html 2022-05-18T09:28:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/best_practices?rev=1652866095&do=diff Best Practices (Python) Check if dictionary contains key, if not return default value # not so good if 'owner' in roledict: owner = roledict['owner'] else: owner = admin # just slightly better, still not good try: owner = roledict['owner'] except KeyError: owner = admin # better owner = roledict.get('owner', admin) text/html 2022-09-13T13:48:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/cluster?rev=1663076898&do=diff Python on FAU-Clusters At the moment (2022) the only supported way of running python on our FAU-Clusters is by using the anaconda module (python 3.9). module load python/3.9-anaconda conda create -n <environment_name> <packages> conda install <additional packages> text/html 2019-09-10T13:40:26+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/ides?rev=1568122826&do=diff IDEs and Editors PyCharm The most convenient editor. see PyCharm Spyder see Spyder text/html 2019-09-10T12:49:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/libsandtips?rev=1568119789&do=diff Libs and Tips Speeding up Numpy and Scipy with Intel MKL and OpenMP Test numpy and scipy >>> import Numpy >>> numpy.show_config() >>> numpy.test() >>> >>> import scipy >>> scipy.test() Which module is used? To determine which python module is used, the preinstalled, the owne (user lib) or something else. text/html 2014-08-12T14:37:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/matplotlib?rev=1407854258&do=diff Matplotlib Website www.http://matplotlib.org/ Version: 1.4 text/html 2022-07-26T13:46:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/numpy?rev=1658843170&do=diff NumPy Website <http://numpy.scipy.org> NumPy 1.11.2 NumExpr 2.6.1 optimized NUMPY (pip) With preloading flexiblas (wrapper for openblas) you can change the openblas (serial/parallel) during runtime. LD_PRELOAD=/lib64/libflexiblas.so.3.2 pip install --no-binary :numpy: numpy text/html 2015-01-28T09:17:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/shapely?rev=1422436677&do=diff Shapely Shapely (Python) <https://pypi.python.org/pypi/Shapely> Non optimized, minimal Build: Compiler gcc-4.9 requires: GEOS Install Set the correct library path export LD_LIBRARY_PATH=/usr/net/lib/geos-3.4.2-gcc4.9/lib/:$LD_LIBRARY_PATH install with correct compiler flags CFLAGS=`/usr/net/lib/geos-3.4.2-gcc4.9/bin/geos-config --cflags` LDFLAGS=`/usr/net/lib/geos-3.4.2-gcc4.9/bin/geos-config --clibs` pip install shapely text/html 2023-12-15T05:39:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/virtualenv-poetry?rev=1702618781&do=diff Virtual Python Environment with Poetry Online Documentation <https://python-poetry.org/> <https://python-poetry.org/docs/> (prefered) Introduction How to Create and Use Virtual Environments in Python With Poetry With ArjanCodes on YouTube Python virtual environments are the common way to install and collect all python packages required for a specific project. text/html 2026-02-06T12:12:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://ww8central.ww.uni-erlangen.de/programming/python/virtualenv?rev=1770379925&do=diff Virtual Python Environment Online Documentation Virtual environment wrapper (prefered) Python Virtual Environments Python virtual environments are the common way to install and collect all python packages required for a specific project. Setup The setup process for your personal virtual environment is also described in