33 lines
838 B
Python
33 lines
838 B
Python
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import json
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import jinja2
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# The Jinja2 environment
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_ENV = None
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def env_init(force: bool = False):
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'''
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Initialize the Jinja2 environment.
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@param force If true, force reload the environment.
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'''
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global _ENV
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if _ENV is None or force:
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# Use json.dumps as finalizer in order to preserve complex data structures
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_ENV = jinja2.Environment(finalize=json.dumps)
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return _ENV
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def render(template: str):
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'''
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Render the given string as a Jinja2 template.
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@param template The template string to render
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'''
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# Make sure the Jinaj2 environment is initialized
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env = env_init()
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# Create a Jinja2 template from the input string
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t = env.from_string(template)
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# Render the template and turn the JSON dump back into complex data structures
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return json.loads(t.render())
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