July 2017
Beginner to intermediate
340 pages
7h 43m
English
Content preview from Python Microservices Development
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Templates
Sending back JSON or YAML documents is easy enough, since we're just serializing data. And most microservices produce machine-parseable data. But in some cases, we might need to create documents with some layout--whether it's an HTML page, or a PDF report, or an email.
For anything that's text-based, Flask integrates a template engine called Jinja (http://jinja.pocoo.org). The main reason Flask incorporates Jinja is to produce HTML documents, so you will find helpers like render_template, which generate responses by picking a Jinja template, and provide the output given some data.
But Jinja is not unique to HTML or other tag-based documents. It can create any document as long as it's text-based.
For example, if your microservice ...
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