Add symlink method to util.opener. Differences from os.symlink: - the symlink name is relative to the opener base directory - if a file with that name already exists, it's removed - if necessary, parent directories are created - if the system (OS or filesystem) doesn't support symlinks, a regular file is created. Its contents are the symlink target.

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adding a

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diff -r 107ba6f817b5 -r 310ce7989cdc a

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--- a/a	Thu Jan 01 00:00:01 1970 +0000

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+++ b/a	Thu Jan 01 00:00:02 1970 +0000

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@@ -1,2 +1,3 @@ confuse str.splitlines

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 confuse str.splitlines

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 embedded
newline

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+clean diff