empy_interpreter_template_string_expansion_quickstart.py

1import em
2import io
3
4# The template string with EmPy markup (@ expressions)
5template = "Hello, @name! The square of @number is @(number * number)."
6
7# The data to be used in the template
8data = {
9    'name': 'World',
10    'number': 7
11}
12
13# Create a string buffer to hold the output
14output = io.StringIO()
15
16# Initialize the EmPy interpreter
17# globals=data provides the dictionary as the global namespace for the template
18interpreter = em.Interpreter(output=output, globals=data)
19
20# Process the template string
21interpreter.string(template)
22
23# Retrieve and print the result
24result = output.getvalue()
25print(result)
26
27# Shutdown the interpreter
28interpreter.shutdown()