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- import re
- from macropy.core.macros import *
- from macropy.core.hquotes import macros, hq, u, ast_list
- macros = Macros()
- @macros.expr
- def s(tree, **kw):
- """Macro to easily interpolate values into string literals."""
- captured = []
- new_string = ""
- chunks = re.split("{(.*?)}", tree.s)
- for i in range(0, len(chunks)):
- if i % 2 == 0:
- new_string += chunks[i]
- else:
- new_string += "%s"
- captured += [chunks[i]]
- result = hq[u[new_string] % tuple(ast_list[map(parse_expr, captured)])]
- return result
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