python driver: preserve trailing quotes in agtype string values#2425
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@SAY-5 Please rebase :) |
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Rebased onto master. |
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@SAY-5 Can you address Copilot's comments above? Please address then in each comment :) It makes it easier to verify. |
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@jrgemignani Addressed all four Copilot comments in e265425: centralized the trim logic into _stripStringDelimiters and reused it in both visitStringValue/visitPair, removed the stray space before the comma, and reformatted the test docstring. Replied on each inline thread. |
str.strip('"') in visitStringValue() and visitPair() removes every '"'
on either side of the token, not just the outer delimiters, so a value
ending in an escaped quote (e.g. '"foo \"bar\""') loses its trailing
backslash-escaped '"' character. The Agtype grammar guarantees STRING
tokens always carry exactly one delimiter on each side, so slice with
[1:-1] to strip them precisely.
Fixes apache#2418
Signed-off-by: SAY-5 <saiasish.cnp@gmail.com>
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Rebased on current master. |
jrgemignani
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Jun 1, 2026
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Fixes #2418.
ResultVisitor.visitStringValue()andvisitPair()indrivers/python/age/builder.pyusestr.strip('"')to remove the surrounding delimiters from agtype STRING tokens.str.strip()removes all matching characters from both ends, so when a property value or object key starts or ends with an escaped quote the parser drops the data character along with the delimiter:"foo \"bar\""foo \"bar\"foo \"bar\"\"leading"\"leadingleading"trailing\""trailing\"trailing\The Agtype grammar (
drivers/Agtype.g4) guaranteesSTRING : '"' (ESC | SAFECODEPOINT)* '"', so the token always has exactly one"delimiter on each side. Slicing with[1:-1]removes them precisely without touching the body.Test added:
test_string_value_preserves_inner_quotescovers leading/trailing/embedded escaped quotes plus thevisitPair()path for object keys, and exercises the empty-string""edge case.