Issue 12139: ftplib - remove 'post CCC' test to fix various buildot failures due to dummy test server not properly handling SSL shutdown(), see http://bugs.python.org/msg139499

not needed.

file is not needed.

Remove also an unused variable (blank) in test_threading.

needed.

Remove also an unused variable (blank) in test_threading.

files from UTF-8 instead of the locale encoding if the encoding is not
specified. It now also opens XML files for the parser in binary mode instead of
the text mode to avoid encoding issues.

UTF-8 instead of the locale encoding if the encoding is not specified. It now
also opens XML files for the parser in binary mode instead of the text mode to
avoid encoding issues.

file anymore to avoid encoding issues (it used the locale encoding, whereas
UTF-8 should be).

Remove also an unused import (warnings).

avoid encoding issues (it used the locale encoding, whereas UTF-8 should be).

Remove also an unused import (warnings).

available, to read the Python script from the right encoding.

read the Python script from the right encoding.

to read the encoding cookie, instead of opening it in UTF-8.

encoding cookie, instead of opening it in UTF-8.

Copy sys.stderr before replacing it, instead of using sys.__stderr__

instead of open(os.devnull, 'w')

These are pointless because on error, all blocks will be finalized by
symtable_dealloc.

.truncate(0) doesn't rewind.

.truncate(0) doesn't rewind.

sys.stdout anymore

regrtest doesn't check that a test doesn't output anything anymore.

anymore

regrtest doesn't check that a test doesn't output anything anymore.

test

regrtest doesn't check that tests doesn't write something to stdout anymore.

Don't replace sys.stdout by the original sys.stdout to be able to capture the
output for regrtest -W.

regrtest doesn't check that tests doesn't write something to stdout anymore.

Don't replace sys.stdout by the original sys.stdout to be able to capture the
output for regrtest -W.

If verbose is False, the output is empty. Fix also a typo in a variable name.

If verbose is False, the output is empty. Fix also a typo in a variable name.

all calls

 * Don't force verbose to True with option -W
 * Rename rerun_failed variable to output_on_failure

 * Don't force verbose to True with option -W
 * Rename rerun_failed variable to output_on_failure

replaced by a io.StringIO object by regrtest (which has no file descriptor).

a io.StringIO object by regrtest (which has no file descriptor).

faulthandler.enable() requires that sys.stderr has a fileno() method.