Question

How to use string.Template (Template String) in Python

Answer 1

import string   

data = {'var': 'python'}     

t = string.Template("Variable: $var - ${var}")
print('Template: ', t.substitute(data))   



'''
run

Template:  Variable: python - python   

'''

 

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Answer 2

from string import Template

s = "Tom"

t = Template('Hi $name')

print(t.substitute(name = s))



'''
run

Hi Tom

'''

 

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Answer 3

import string     

data = {'s': 'python'}     
t = string.Template("$x")     
try:         
    print('substitute: ', t.substitute(data))     
except KeyError as err:
    print('ERROR:', str(err))     

print('safe_substitute:', t.safe_substitute(data))



'''
run

ERROR: 'x'
safe_substitute: $x

'''

 

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