[Twisted-Python] installation help

Arie Lakeman arie.lakeman at gmail.com
Wed Feb 4 13:03:30 EST 2009

Firstly, I either use the built-in version of Idle on mac which is 2.5, or
I'm using ActivePython 2.6, I'm not familiar with binaries so to save time
this is what I used.  I then install the .dmg of twisted to a file I create
on my desktop, then go into sys.path and add /Users/username/Desktop, then
trying 'import twisted' I get the following error:

Traceback (most recent call last):
  File "<pyshell#3>", line 1, in <module>
    import twisted
  File "/Users/arielakeman/Desktop/twisted/__init__.py", line 11, in
    import rand, crypto, SSL, tsafe
ImportError: No module named OpenSSL.crypto

I looked for but could not find an install.py file, and reading the readme
which accompanies twisted under installation it simply says: 'see INSTALL'.
 I'm running Mac OS 10.5.6 and would massively appreciate any help getting
twisted working, be it binaries or dmg!



On Wed, Feb 4, 2009 at 2:56 PM, Jean-Paul Calderone <exarkun at divmod.com>wrote:

> On Wed, 4 Feb 2009 13:35:59 +0000, Arie Lakeman <arie.lakeman at gmail.com>
> wrote:
>> Hi,
>> I've taken an interest in event driven programming, I came across twisted
>> and liked the look of it, I've tried downloading the .dmg from
>> twistedmatrix/trac unfortunately after trying multiple installations
>> including direct installation to both the folder where python is found
>> (under system/frameworks...) and by changing the sys.path to another
>> directory I fail to be able to import twisted in the interactive prompt.
>>  I
>> have a hunch I may be missing OpenSSL (occassional errors) but I don't
>> know
>> enough about this (after googling) to be able to resolve this.
> I've never tried to install Twisted on OS X except by using setup.py to do
> a single-user installation.  However, I'm pretty sure that if you provide
> more details about how exactly the installation process fails you'll be
> more likely to get someone else who does have a clue to help you out.
> Be detailed in what steps you took and what the consequences were.  Where
> there are errors, include them verbatim.
> Jean-Paul
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