I'm totally confounded on this one. For some reason, when using
twistd, web2 cannot be found by the interpreter. (I'm running Twisted
SVN HEAD on pythonmac's Python 2.4 on Mac OS X.)
For example, I've got the following code in a file called twisted.py
from twisted.web2 import server, channel, static, wsgi
def handler(env, start_response):
pass
# This part gets run when you run this file via: "twistd -noy
modu/web/twisted.py"
root = wsgi.WSGIResource(handler)
site = server.Site(root)
# Start up the server
from twisted.application import service, strports
application = service.Application("web2")
s = strports.service('tcp:8888', channel.HTTPFactory(site))
s.setServiceParent(application)
When running it (with twistd -noy twisted.py), I get:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/Current/
bin/twistd", line 20, in ?
from twisted.scripts.twistd import run
File "/Users/phil/Desktop/twisted.py", line 1, in ?
from twisted.web2 import server, channel, static, wsgi
ImportError: No module named web2
This is a standard Twisted installation using `python setup.py
install`, and web2 is clearly in my site-packages directory:
optimus:~ phil$ ls -la /Library/Frameworks/Python.framework/
Versions/2.4/lib/python2.4/site-packages/twisted/web2
total 1272
drwxr-xr-x 54 root admin 1836 Jul 24 10:54 .
drwxr-xr-x 36 root admin 1224 Jul 24 10:54 ..
-rw-r--r-- 1 root admin 254 Jun 29 2006 __init__.py
-rw-r--r-- 1 root admin 371 Jul 24 10:54 __init__.pyc
...
...
Even stranger is that twistd doesn't seem to have any problems
finding/loading the web2 plugin
optimus:~ phil$ twistd
Usage: twistd [options]
...
...
...
Commands:
web2 An HTTP/1.1 web server that can serve from
a filesystem or
application resource.
...
...
...
And when running the exact interpreter path specified in twistd,
there are no problems either:
optimus:~ phil$ which twistd
/Library/Frameworks/Python.framework/Versions/Current/bin/twistd
optimus:~ phil$ head -n 1 /Library/Frameworks/Python.framework/
Versions/Current/bin/twistd
#!/Library/Frameworks/Python.framework/Versions/2.4/Resources/
Python.app/Contents/MacOS/Python
optimus:~ phil$ /Library/Frameworks/Python.framework/Versions/
2.4/Resources/Python.app/Contents/MacOS/Python
Python 2.4.3 (#1, Apr 7 2006, 10:54:33)
[GCC 4.0.1 (Apple Computer, Inc. build 5250)] on darwin
Type "help", "copyright", "credits" or "license" for more
information.
>>> from twisted.web2 import server
>>>
I had this same issue on my other development machine, also a Mac,
but I assumed it was some kind of configuration issue with that
machine in particular.
Has anyone had a similar experience? Any help in this matter would be
appreciated.
-phil
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