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import unittest
import ast
import gast
import sys
def dump(node):
return gast.dump(node, show_empty=True)
class Python3_14TestCase(unittest.TestCase):
def __init__(self, *args, **kwargs):
unittest.TestCase.__init__(self, *args, **kwargs)
self.maxDiff = None
def test_template_string(self):
code = '''
food = "cheese"
string = f"Tasty {food}!"
template = t"Tasty {food}!"
'''
tree = gast.parse(code)
compile(gast.gast_to_ast(tree), '<test>', 'exec')
norm = (
"Module(body=["
"Assign(targets=[Name(id='food', ctx=Store(), annotation=None, type_comment=None)], "
"value=Constant(value='cheese', kind=None), type_comment=None), "
"Assign(targets=[Name(id='string', ctx=Store(), annotation=None, type_comment=None)], "
"value=JoinedStr(values=[Constant(value='Tasty ', kind=None), "
"FormattedValue(value=Name(id='food', ctx=Load(), annotation=None, type_comment=None), conversion=-1, format_spec=None), "
"Constant(value='!', kind=None)]), "
"type_comment=None), "
"Assign(targets=[Name(id='template', ctx=Store(), annotation=None, type_comment=None)], "
"value=TemplateStr(values=[Constant(value='Tasty ', kind=None), "
"Interpolation(value=Name(id='food', ctx=Load(), annotation=None, type_comment=None), str='food', conversion=-1, format_spec=None), "
"Constant(value='!', kind=None)]), "
"type_comment=None)"
"], type_ignores=[])")
self.assertEqual(dump(tree), norm)
if sys.version_info < (3, 14):
del Python3_14TestCase
if __name__ == '__main__':
unittest.main()
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