At Thursday 18/1/2007 04:41, John Nagle wrote:
I've been running M2Crypto successfully using Python 2.4 on Windows 2000,
and now I'm trying to get it to work on Python 2.3.4 on Linux.
Attempting to initialize a context results in
Traceback (most recent call last):
File "/www/htdocs/sitetruth.com/cgi/ratingdetails.cgi", line 46, in ?
DetailsPageBuilder.detailspage(kdbfile,ktemplatefile,url) # check and
display domain or URL as web page
File "./sitetruth/DetailsPageBuilder.py", line 70, in detailspage
sitecert = InfoSSL2.Certificate(siteinfo, kverifylocations, verbose)
File "./sitetruth/InfoSSL2.py", line 147, in __init__
self.ctx = createsslcontext(trustedcafile, verbose) #
Generate general SSL
context
File "./sitetruth/InfoSSL2.py", line 40, in createsslcontext
ctx =
SSL.Context('sslv3')
# Create context with SSL params
File "/home/sitetruth/lib/python/M2Crypto/SSL/Context.py", line
43, in __init__
map()[long(self.ctx)] = self
ValueError: invalid literal for long(): _480e1008_p_SSL_CTX
On a previous version of M2Crypto that line said: map()[self.ctx] =
self, and that failed too ("unhashable object", I think).
I changed the class _ctxmap (the map() above returns an instance of
it) to use str(key) in the 3 places it was used. (That would be
equivalent to use str(self.ctx) everywhere, instead of long(self.ctx)
as your traceback is showing). All I can say is that no error
happened afterwards, but I don't know if that broke something. (and I
didn't care at the moment, I only needed a Zope instance running on
Windows with SSL for less than a week - and if it were "cheating SSL"
it was OK for me then)
which, when I look at the code and try some test cases, seems
legitimate. The cacheing code is trying to convert a reference to an
object (a C object, in fact) into a "long". Python 2.4 on Windows
will do that. Python 2.3.4 on Linux converts it to a string first,
gets "_480e1008_p_SSL_CTX", and then tries to convert that to an
integer, which fails.
So using str() appears, at least on the surface, to be reasonable.
But someone with more intimate knowledge of the library should
confirm that. I don't even understand what's the point for the
_ctxmap singleton - it's the same thing as a global dictionary, isn't it?
--
Gabriel Genellina
Softlab SRL
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