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Add \xHH Unicode escape code to basic strings #202

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Merged
hukkin merged 4 commits into from
Jan 10, 2026
+12 −5
Merged

Add \xHH Unicode escape code to basic strings #202

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0754e79
Add \xHH Unicode escape code to basic strings
hukkin Aug 5, 2022
d88684c
Merge branch 'master' into x-escape
hukkin Jan 10, 2026
e2b84f3
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jan 10, 2026
4068a18
Remove passing tests from xfail list
hukkin Jan 10, 2026
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2 changes: 2 additions & 0 deletions src/tomli/_parser.py
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Original file line number Diff line number Diff line change
Expand Up @@ -580,6 +580,8 @@ def parse_basic_str_escape(
pos += 1
pos = skip_chars(src, pos, TOML_WS_AND_NEWLINE)
return pos, ""
if escape_id == "\\x":
return parse_hex_char(src, pos, 2)
if escape_id == "\\u":
return parse_hex_char(src, pos, 4)
if escape_id == "\\U":
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8 changes: 6 additions & 2 deletions tests/data/valid/multiline-basic-str/replacements.json
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Original file line number Diff line number Diff line change
@@ -1,2 +1,6 @@
{"escape":
{"type":"string","value":"\u001B"}}
{
"escape": {"type":"string","value":"\u001B"},
"tab": {"type":"string","value":"\t"},
"upper-j": {"type":"string","value":"J"},
"upper-j-2": {"type":"string","value":"J"}
}
5 changes: 4 additions & 1 deletion tests/data/valid/multiline-basic-str/replacements.toml
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Original file line number Diff line number Diff line change
@@ -1 +1,4 @@
escape = "\e"
escape = "\e"
tab = "\x09"
upper-j = "\x4a"
upper-j-2 = "\x4A"
2 changes: 0 additions & 2 deletions tests/test_data.py
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Expand Up @@ -46,11 +46,9 @@ def test_valid(self):
# compatible with yet.
if valid.stem in {
"no-seconds",
"hex-escape",
"common-34",
"common-31",
"common-29",
"common-12",
}:
with self.assertRaises(tomllib.TOMLDecodeError):
tomllib.loads(toml_str)
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