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Nov 13, 2009, 4:02 AM
Post #1 of 2
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[issue7313] 2to3 fails when source file starts with BOM
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New submission from Gabriel Genellina <gagsl-py2 [at] yahoo>:
If the source file is encoded in UTF-8 with a BOM,
2to3 cannot parse it:
C:\APPS\python\trunk\PCbuild>.\python ..\Tools\scripts
\2to3 c:\temp\test_2to3.py
root: Generating grammar tables from C:\APPS\python
\trunk\lib\lib2to3\PatternGrammar.txt
root: Writing grammar tables to C:\APPS\python\trunk
\lib\lib2to3\PatternGrammar2.7.0.alpha.0.pickle
RefactoringTool: Skipping implicit fixer: buffer
RefactoringTool: Skipping implicit fixer: idioms
RefactoringTool: Skipping implicit fixer: set_literal
RefactoringTool: Skipping implicit fixer: ws_comma
RefactoringTool: Can't parse c:\temp\test_2to3.py:
ParseError: bad token: type=55, value=u'\ufeff',
context=(u'', (1, 0)
)
RefactoringTool: No files need to be modified.
RefactoringTool: There was 1 error:
RefactoringTool: Can't parse c:\temp\test_2to3.py:
ParseError: bad token: type=55, value=u'\ufeff',
context=(u'', (1, 0)
)
Tested with 3.1.1 and trunk.
----------
components: 2to3 (2.x to 3.0 conversion tool)
files: test_2to3_bom.py
messages: 95176
nosy: gagenellina
severity: normal
status: open
title: 2to3 fails when source file starts with BOM
type: behavior
versions: Python 2.6, Python 2.7, Python 3.1, Python 3.2
Added file: http://bugs.python.org/file15319/test_2to3_bom.py
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