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gh-107625: configparser: Raise error if a missing value is continued (GH-107651)

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Co-authored-by: Éric <merwok@netwok.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
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Prince Roshan 2024-03-06 19:35:54 +05:30 • committed by GitHub
parent 27858e2a17
commit e800265aa1
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16
Lib/configparser.py
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@ -152,6 +152,7 @@ __all__ = ("NoSectionError", "DuplicateOptionError", "DuplicateSectionError",
"NoOptionError", "InterpolationError", "InterpolationDepthError",
"InterpolationMissingOptionError", "InterpolationSyntaxError",
"ParsingError", "MissingSectionHeaderError",
"MultilineContinuationError",
"ConfigParser", "RawConfigParser",
"Interpolation", "BasicInterpolation", "ExtendedInterpolation",
"SectionProxy", "ConverterMapping",
@ -322,6 +323,19 @@ class MissingSectionHeaderError(ParsingError):
self.args = (filename, lineno, line)
class MultilineContinuationError(ParsingError):
"""Raised when a key without value is followed by continuation line"""
def __init__(self, filename, lineno, line):
Error.__init__(
self,
"Key without value continued with an indented line.\n"
"file: %r, line: %d\n%r"
%(filename, lineno, line))
self.source = filename
self.lineno = lineno
self.line = line
self.args = (filename, lineno, line)
# Used in parser getters to indicate the default behaviour when a specific
# option is not found it to raise an exception. Created to enable `None` as
# a valid fallback value.
@ -987,6 +1001,8 @@ class RawConfigParser(MutableMapping):
cur_indent_level = first_nonspace.start() if first_nonspace else 0
if (cursect is not None and optname and
cur_indent_level > indent_level):
if cursect[optname] is None:
raise MultilineContinuationError(fpname, lineno, line)
cursect[optname].append(value)
# a section header or option header?
else: