EPCIS Python module for quickly developing EPCIS-enabled applications.
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Pronounced “EPC-Pie-Yes”: Open source components for the GS1 EPCIS standard
A foundational component of the QU4RTET open-source EPCIS platform.
For more info on this and other QU4RTET components, visit http://serial-lab.com
The main purpose of this library is to allow developers to quickly build systems that parse, generate and store EPCIS data quickly and efficiently with a clear and straight-forward pythonic API.
Python to EPCIS XML or JSON
Work with python classes that take the pain out of knowing the EPCIS protocol. Each class in the EPCPyYes package can be directly manipulated in python and then quickly rendered to EPCIS 1.2 compliant XML or JSON for any number of purposes. For example:
# for example, create an ObjectEvent oe = ObjectEvent(now, tzoffset, record_time=now, action=Action.add.value, epc_list=epcs, biz_step=BusinessSteps.commissioning.value, disposition=Disposition.encoded.value) # Create EPCIS 1.2 compliant XML print(oe.render()) # Render as JSON print(oe.render_json()) # Render as pretty printed JSON print(oe.render_pretty_json()
See our code-coverage and continuous integration builds for the coverage build artifacts and build/test results. You can download the code coverage build artifacts on the Pipelines Page. by clicking on the download button to the right of the build you are interested in.
The documentation to the EPCPyYes module can be found here:
The Jupyter notebook with running example code is included in the documentation and can be found here:
If you don’t have a notebook, you can view the Jupyter example documentation here: https://gitlab.com/serial-lab/EPCPyYes/blob/master/docs/events.md
Jinja2 Templates for Creating and Transforming EPCIS Docs and Events
The templates package contains Jinja2 templates for generating EPCIS documents from either discrete EPCIS classes defined in the core package or from collections of those classes- which allow for the creation of EPCISDocuments with multiple types of events. You can change the default behavior of any EPCIS class in the framework by passing in a different Jinja2 template when initializing the class- allowing EPCIS objects to be rendered into just about any native or custom format imaginable. Modifying the default Jinja2 environment can allow the entire package to utilize a different set of default templates altogether.
The core library consists of Python classes representing the key EPCIS events:
Quantity events, as they are being deprecated, are not supported right now If you’re interested in helping out with this please contact us.
Each of the classes in the core library are used throughout the package but can be useful to developers in building other applications outside of the scope of this package.
Utilities that help you:
- Quickly generate lists of SGTIN or SSCC URN values by a range of serial numbers.
- Quickly serialize python EPCIS classes into valid EPCIS XML and back.
- …and More.
CBV 1.2 Type Support and Utilities
Utilities that help with the generation of CBV compliant data and also give you code completion while developing CBV compliant EPCIS apps. We took out all the fishery stuff since there are only so many hours in the day. If anyone is interested in adding and/or supporting it please contact us.
from EPCPyYes.core.v1_2.CBV.dispositions import Disposition print(Disposition.commissioning.value) urn:epcglobal:cbv:bizstep:commissioning
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