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Silence Python invalid escape sequence warnings by turning some strings into raw strings #1

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Silence Python invalid escape sequence warnings by turning some strings into raw strings #1

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illwieckz
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Silence such kind of warnings:

site_init:132: SyntaxWarning: invalid escape sequence '\$'
scons: Reading SConscript files ...
native_client/SConstruct:3626: SyntaxWarning: invalid escape sequence '\c'
  COVERAGE_ANALYZER='$COVERAGE_ANALYZER_DIR\coverage_analyzer.exe',
native_client/tools/command_tester.py:359: SyntaxWarning: invalid escape sequence '\*'
  match = re.match('\*\* (Signal|Mach exception) (\d+) from '
native_client/src/trusted/service_runtime/build.scons:827: SyntaxWarning: invalid escape sequence '\['
  RE_IDENT = '^\[[0-9,:.]*\] (e_ident\+1 = ELF)$'

It makes it easier to read error logs by not being confused by such warning noise.

@illwieckz illwieckz changed the title Silence Python unknown escape sequence warnings by turning some strings into raw strings Silence Python invalid escape sequence warnings by turning some strings into raw strings Apr 7, 2025
slipher
slipher reviewed Apr 7, 2025
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site_scons/site_init.py
@@ -129,7 +129,7 @@ def BuildEnvironmentSConscripts(env):
else:
raise SCons.Errors.UserError(
'Bad location for a SConscript. "%s" is not under '
'\$TARGET_ROOT or \$MAIN_DIR' % c_script)
r'\$TARGET_ROOT or \$MAIN_DIR' % c_script)
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I believe in this one, the backslashes are actually not wanted in the output and should be removed instead.

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@illwieckz @slipher