provide a common method to check for RETR_DATA validity, first checking the expected len and then the actual data content; this way we get a failure on len mismatch rather than content mismatch (which is very long and unreadable)

it should on OpenIndiana.

beginning.

can be called again on the same open file).

return False when the event was set and cleared right after.

return False when the event was set and cleared right after.

and the source is a symlink, shutil.move() now recreates a symlink on the
destination instead of copying the file contents.
Patch by Jonathan Niehof and Hynek Schlawack.

On platforms that do not support (symbolic) links, tarfile offers a
work-around and extracts a link in an archive as the regular file the link is
pointing to. On other platforms, this code was accidentally executed even
after the link had been successfully extracted which failed due to the already
existing link.

On platforms that do not support (symbolic) links, tarfile offers a
work-around and extracts a link in an archive as the regular file the link is
pointing to. On other platforms, this code was accidentally executed even
after the link had been successfully extracted which failed due to the already
existing link.

(originally issue #13464: Add a readinto() method to http.client.HTTPResponse)