New submission from Robert Kern <robert.k...@gmail.com>:
When a module inside a package imports StringIO from cStringIO, it should
change that to "from io import StringIO". However, if there is a module inside
the package named io.py, 2to3 changes it to "from .io import StringIO".
[bug23]$ tree
.
`-- package
|-- __init__.py
|-- helper.py
`-- io.py
1 directory, 3 files
[bug23]$ cat package/helper.py
from cStringIO import StringIO
[bug23]$ 2to3 package
RefactoringTool: Skipping implicit fixer: buffer
RefactoringTool: Skipping implicit fixer: idioms
RefactoringTool: Skipping implicit fixer: set_literal
RefactoringTool: Skipping implicit fixer: ws_comma
--- package/helper.py (original)
+++ package/helper.py (refactored)
@@ -1,1 +1,1 @@
-from cStringIO import StringIO
+from .io import StringIO
RefactoringTool: Files that need to be modified:
RefactoringTool: package/helper.py
----------
components: 2to3 (2.x to 3.0 conversion tool)
messages: 101636
nosy: Robert.Kern
severity: normal
status: open
title: 2to3 mishandles StringIO inside a package with an io.py module
versions: Python 2.6
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue8221>
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