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lightweight Extract-Transform-Load (ETL) framework for Python 3+

Project description

Ragnar Documentation Status

Ragnar is a lightweight Extract-Transform-Load (ETL) framework for Python 3.5+.


  • Keeps a functional programming philosophy.
  • Code reuse instead of “re-inventing the wheel” in each script.
  • Customizable for your organization’s particular tasks.


A pipeline that applies capital letters to the list and then filters through the one starting with “B”:

>>> from import Stream
>>> st = Stream(["apple", "banana", "cherry"])
>>> x: x.upper())
< object at 0x7fbe8e3509d0>
>>> st.filter(lambda x:x.startswith("B"))
< object at 0x7fbe8e3509d0>
>>> for row in st:
...     print(row)


0.1.0 (2019-04-11)

  • First release on PyPI.

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