Python-Design-Patterns template
template Model
Python-Design-Patterns template
# file: 'template.py'
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
An example of the Template pattern in Python
*TL;DR80
Defines the skeleton of a base algorithm, deferring definition of exact
steps to subclasses.
"""
def get_text():
return "plain-text"
def get_pdf():
return "pdf"
def get_csv():
return "csv"
def convert_to_text(data):
print("[CONVERT]")
return "{} as text".format(data)
def saver():
print("[SAVE]")
def template_function(getter, converter=False, to_save=False):
data = getter()
print("Got `{}`".format(data))
if len(data) <= 3 and converter:
data = converter(data)
else:
print("Skip conversion")
if to_save:
saver()
print("`{}` was processed".format(data))
if __name__ == "__main__":
template_function(get_text, to_save=True)
print("-" * 30)
template_function(get_pdf, converter=convert_to_text)
print("-" * 30)
template_function(get_csv, to_save=True)
### OUTPUT ###
# Got `plain-text`
# Skip conversion
# [SAVE]
# `plain-text` was processed
# ------------------------------
# Got `pdf`
# [CONVERT]
# `pdf as text` was processed
# ------------------------------
# Got `csv`
# Skip conversion
# [SAVE]
# `csv` was processed
template.py
