If you have imported a Python library containing multiple modules, for example a folder called fibo_lib containting modules fibo.py and fibo2.py, and want to call the fibonacci function from the fibo. If you have imported a single Python module called fibo.py that contains a function called fibonacci, to call that function, your code will be as follows: import fibo The project deals with deadends, isolated articles, non-categorized articles, transitivity of the category tree, etc. To use the functions and methods your newly imported library offers in an Ignition script, you need to first import them: #import Hallo, my name is Anastasiya Lvova, Im 'duty' in Connectivity project.The essence of the 'Connectivity' project is to study and enhance the coherence of Wikipedia, or, in other words, to improve hypertext navigation between articles. Now you are ready to use the functionality of your newly imported library! Using the 3-rd party library you have imported On a standard Mac OS X installation, this will be /usr/local/ignition/user-lib/pylibĬopy the folder containing the library or the individual module file (. On a standard Linux installation, this will be /var/lib/ignition/user-lib/pylib On a standard Windows installation, this will be C:\Program Files\Inductive Automation\Ignition\user-lib\pylib On the computer where the Ignition Gateway is installed, navigate to the Inductive Automation\Ignition\user-lib\lib\pylib\ folder located inside the installation directory. The ModuleNotFoundError problem in Jupyter notebook You used pip install to install a library (example: pip install requests ) You try to import the library. This information can obtained from the library author / maintainer, and will typically be available on the Web site where library was downloaded from. The library is Python 2.5 compatible (*as of Ignition 7.8, Ignition uses Jython 2.5) To tell your system to find the default system python correctly (python 2, which is the default when you just call python ), try rewriting the symlink that routes the python command at a prompt to the original destination: sudo ln -s /usr/bin/python2.7 /usr/bin/python Hopefully that should allow it to find the python packages you installed. The library or module is not written in C and is not dependent on C / C-Python features This typically comes down to checking that: This is caused by the fact that the version of Python you’re running your script with is not configured to search for modules where you’ve installed them. Verifying CompatibilityĪs Ignition uses Jython (an implementation of the Python programming language designed to run on the Java platform), when looking for libraries to use with Ignition it is important to verify that the library is Jython-compatible. As of Ignition 7.7, it is possible to import 3-rd party Python libraries / modules for use in scripting inside Ignition.
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