On Thu, Sep 18, 2014 at 2:49 PM, Christian Heimes <christ...@python.org> wrote: > On 18.09.2014 21:23, Larry Martell wrote: >> On Thu, Sep 18, 2014 at 11:18 AM, Chris Angelico <ros...@gmail.com> wrote: >>> On Fri, Sep 19, 2014 at 3:07 AM, Steven D'Aprano >>> <steve+comp.lang.pyt...@pearwood.info> wrote: >>>> but I expect that's probably not where the problem lies. My *wild guess* is >>>> that your system updated SSL, and removed some underlying SHA-1 library >>>> needed by hashlib. SHA-1 is pretty old, and there is now a known attack on >>>> it, so some over-zealous security update may have removed it. >>> >>> Or, more likely, the actual code for sha1 is imported from somewhere >>> else, and *that* module is what's been shadowed. What happens if you >>> change directory to something with absolutely no .py files in it, then >>> start interactive Python and try importing hashlib? Maybe you have an >>> openssl.py or something. >> >> I still get the same error. > > The Python's implementation of SHA-1 either comes from _hashlib (which > wraps OpenSSL) or from _sha (which uses code from LibTomCrypt and > doesn't require external dependencies. Python 2.7 doesn't have a _sha > module if OpenSSL is available at compile time. > > Please try to import _hashlib and see what happens. On Linux: > >>>> import _hashlib >>>> _hashlib.__file__ > '/usr/lib/python2.7/lib-dynload/_hashlib.x86_64-linux-gnu.so' >>>> _hashlib.openssl_sha1() > <sha1 HASH object @ 0x7eff3e5a8300> >>>> _hashlib.openssl_sha1().hexdigest() > 'da39a3ee5e6b4b0d3255bfef95601890afd80709'
$ python Python 2.7.2 (default, Oct 11 2012, 20:14:37) [GCC 4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>> import _hashlib >>> _hashlib.__file__ '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_hashlib.so' >>> _hashlib.openssl_sha1() Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: unsupported hash type >>> _hashlib.openssl_sha1().hexdigest() Traceback (most recent call last): File "<stdin>", line 1, in <module> ValueError: unsupported hash type -- https://mail.python.org/mailman/listinfo/python-list
