[albatross-users] problems with a RandomModularSessionApp
Tommy !!
the_edge2020 at hotmail.com
Fri Apr 11 04:12:44 EST 2003
Hi there,
I posted this bug to the object craft people a few days ago, haven't heard
back yet.
I do, however, have a solution.
This error _will_ occur with mod_python/albatross - most notably if you use
<al-a> tags in your templates.
To fix it simply replace the line (in apacheapp.py -> you'll have to get
your hands dirty with the albatross source code):
self.__req.connection.server.server_hostname
with:
self.__req.server.server_hostname
Refer to the mod_python Apache API docs to understand why this error occurs.
I'm too tired to explain just now :)
You will find a few other small bugs are also present. More on that later.
All the bugs I've come across so far can be resolved with small edits of the
albatross source code.
Long live OSS, eh?
Kind regards,
Tom Lee
>From: Chiron Consulting <chironsw at swbell.net>
>To: albatross-users at object-craft.com.au
>Subject: [albatross-users] problems with a RandomModularSessionApp
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>
>New to albatross, delighted with it so far, having a problem that I can't
>figure out. Checked the archive, and don't notice anybody else having it,
>so I thought I'd ask.
>
>1. Running apache 2.0.44, mod_python 3.0.3, python 2.2, and albatross 1.01
>... everything seems to run fine, examples all work
>
>2. I've got apache configured to handle any/all .html files in the
>documentroot directory using my mod_python handler. this worked fine.
>
>3. I built a trivial SimpleApp-based albatross program, which also works
>fine:
>
><code>
>
># myhandler.py
>from albatross import SimpleApp
>from albatross.apacheapp import Request
>
>class StartPage:
> def page_display(self, ctx):
> ctx.run_template('start')
>
># note: the start template is trivial, with no replaceable parms.
># i plugged those in, and it also works fine.
>
>class myApp(SimpleApp):
> def __init__(self):
> SimpleApp.__init__(self,
> base_url = 'myhandler.py',
> template_path = '/usr/local/apache/htdocs/templates',
> start_page = 'start',
> secret = '-=-secret-=-')
>
>app = myApp()
>app.register_page('start', StartPage())
>
>def handler(req):
> return app.run(Request(req))
>
></code>
>
>4. The 'start' template in the above example was a trivial html file, with
>no replaceable parms. I added replaceable parms, and implemented a
>page_enter() method for the StartPage class, and all went as expected.
>
>5. Here's where I start running into problems. I want to use the
>RandomModularSessionApp to build a more sophisticated app. Here's the
>mod_python handler code:
>
><code>
>
>from albatross import RandomModularSessionApp
>from albatross.apacheapp import Request
>
>class myApp(RandomModularSessionApp):
> def __init__(self):
> RandomModularSessionApp.__init__(self,
> base_url = 'myhandler.py',
> page_path = 'htdocs',
> start_page = 'start',
> secret = 'same-secret-as-always',
> session_appid = 'whatever')
>
>def handler(req):
> app = rpApp()
> return app.run(Request(req))
>
></code>
>
>and here's the module for the (still trivial) start page:
>
>def page_display(ctx):
> ctx.run_template('start')
>
>
>With the albatross session server running, an attempt to access this app at
>the URL "http://localhost/" generates the following traceback error:
>
>Template traceback (most recent call last):
>
>Traceback (most recent call last):
> File "/usr/local/lib/python2.2/site-packages/albatross/app.py", line
>143, in run
> self.load_page(ctx)
> File "/usr/local/lib/python2.2/site-packages/albatross/randompage.py",
>line 28, in load_page
> ctx.redirect(self.start_page())
> File "/usr/local/lib/python2.2/site-packages/albatross/app.py", line
>121, in redirect
> new_loc = self.redirect_url(loc)
> File "/usr/local/lib/python2.2/site-packages/albatross/app.py", line
>113, in redirect_url
> return urlparse.urlunparse(('http', self.request.get_servername(),
> File "/usr/local/lib/python2.2/site-packages/albatross/apacheapp.py",
>line 34, in get_servername
> return self.__req.connection.server.server_hostname
>AttributeError: server
>
>
>I have no idea what's going on here, or how to fix it. Any ideas?
>
>Thanks,
>
>Greg Goodman
>
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