[issue12715] Add symlink support to shutil functions

[Hynek Schlawack]

Hynek Schlawack <hs at ox.cx> added the comment:

What started as a 2 lines fix, grew to a patch of ~400 lines. :)

It's mostly tests though:

Lib/shutil.py           |  102 +++++++++++++++++++++++++++++----------
Lib/test/test_shutil.py |  220 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Misc/ACKS               |    1 +
3 files changed, 297 insertions(+), 26 deletions(-)

I've AFAIS implemented the desired behavior and hope for feedback/bug reports.

It's tested on Linux & FreeBSD 8.2 and applies cleanly against default/tip.

Please let me know if I've done something stupid.

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hgrepos: +63

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<http://bugs.python.org/issue12715>
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