for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
"""
ETLT
Copyright 2016 Set Based IT Consultancy
Licence MIT
import abc
import copy
class Writer:
Abstract classes which are used only once can usually be inlined into the class which already uses this abstract class.
Abstract parent class for writing rows to a destination.
# ------------------------------------------------------------------------------------------------------------------
def __init__(self):
Object constructor.
self._fields = []
The fields (or columns) that must be written to the destination.
:type list[str]:
@property
def fields(self):
Getter for fields.
:rtype: list[str]
return copy.copy(self._fields)
@fields.setter
def fields(self, fields):
Setter for fields.
:param list[str] fields: The fields (or columns) that must be written to the destination.
self._fields = fields
@abc.abstractmethod
def writerow(self, row):
Writes a row to the destination.
:param dict[str,T] row: The row.
:rtype: None
raise NotImplementedError()
def __enter__(self):
def __exit__(self, exc_type, exc_value, traceback):
# ----------------------------------------------------------------------------------------------------------------------
PyETLT /
etlt
Abstract classes which are used only once can usually be inlined into the class which already uses this abstract class.