February 2018
Beginner to intermediate
364 pages
10h 32m
English
Content preview from Python Web Scraping Cookbook
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This write could have simply been handled using a function that wraps the code. This object will be reused throughout this chapter. We could use the duck-typing of python, or just a function, but the clarity of interfaces is easier. Speaking of that, the following is the definition of this interface:
""" Defines the interface for writing a blob of data to storage """from interface import Interfaceclass IBlobWriter(Interface): def write(self, filename, contents): pass
We will also see another implementation of this interface that lets us store files in S3. Through this type of implementation, through interface inheritance, we can easily substitute implementations.
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