Author: Armin Rigo <[email protected]>
Branch:
Changeset: r46543:1bf3577ff91b
Date: 2011-08-16 14:53 +0200
http://bitbucket.org/pypy/pypy/changeset/1bf3577ff91b/
Log: Add at least a warning in the doc. Thanks salmon on
https://bugs.pypy.org/issue768
diff --git a/pypy/doc/cpython_differences.rst b/pypy/doc/cpython_differences.rst
--- a/pypy/doc/cpython_differences.rst
+++ b/pypy/doc/cpython_differences.rst
@@ -88,6 +88,13 @@
_stackless
+ Note that only some of these modules are built-in in a typical
+ CPython installation, and the rest is from non built-in extension
+ modules. This means that e.g. ``import parser`` will, on CPython,
+ find a local file ``parser.py``, while ``import sys`` will not find a
+ local file ``sys.py``. In PyPy the difference does not exist: all
+ these modules are built-in.
+
* Supported by being rewritten in pure Python (possibly using ``ctypes``):
see the `lib_pypy/`_ directory. Examples of modules that we
support this way: ``ctypes``, ``cPickle``, ``cmath``, ``dbm``,
``datetime``...
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