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gh-134675: Add t-string prefixes to tokenizer module, lexical analysis doc, and add a test to make sure we catch this error in the future. (#134734)

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* Add t-string prefixes to _all_string_prefixes, and add a test to make sure we catch this error in the future.

* Update lexical analysis docs for t-string prefixes.
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Eric V. Smith 2025-05-26 13:49:39 -04:00 • committed by GitHub
parent c60f39ada6
commit 08c78e02fa
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3 changed files with 59 additions and 2 deletions
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Lib/tokenize.py
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@ -86,7 +86,7 @@ def _all_string_prefixes():
# The valid string prefixes. Only contain the lower case versions,
# and don't contain any permutations (include 'fr', but not
# 'rf'). The various permutations will be generated.
_valid_string_prefixes = ['b', 'r', 'u', 'f', 'br', 'fr']
_valid_string_prefixes = ['b', 'r', 'u', 'f', 't', 'br', 'fr', 'tr']
# if we add binary f-strings, add: ['fb', 'fbr']
result = {''}
for prefix in _valid_string_prefixes: