At the moment, web2py will only work if mounted at root of the web
site. Thus, using Apache/mod_wsgi you can only say:
WSGIScriptAlias / /Users/grahamd/Testing/web2py/wsgihandler.py
You cannot say:
WSGIScriptAlias /subdir /Users/grahamd/Testing/web2py/wsgihandler.py
Since web2py seems to perform all URL construction for purposes of
links using URL, only one code change appears to be required in web2py
core to allow this to work. This is to the gluon.html.URL().
*** html.py.dist 2009-09-04 14:05:02.000000000 +1000
--- html.py 2009-09-04 14:06:48.000000000 +1000
***************
*** 182,188 ****
if vars:
other += '?%s' % urllib.urlencode(vars)
! url = '/%s/%s/%s%s' % (application, controller, function, other)
if regex_crlf.search(url):
raise SyntaxError, 'CRLF Injection Detected'
--- 182,192 ----
if vars:
other += '?%s' % urllib.urlencode(vars)
! if r and r.env.script_name:
! url = '%s/%s/%s/%s%s' % (r.env.script_name, application,
! controller, function, other)
! else:
! url = '/%s/%s/%s%s' % (application, controller, function,
other)
if regex_crlf.search(url):
raise SyntaxError, 'CRLF Injection Detected'
Alas, because this is needing to access SCRIPT_NAME from original WSGI
environment, for this to work properly will require that 'request'
also be supplied in all cases where URL is used for URL
reconstruction.
For example, currently the 'welcome/views/default/index.html' page
says:
{{extend 'layout.html'}}
{{try:}}{{=H2(message)}}{{except:}}{{=BEAUTIFY(response._vars)}}
{{pass}}
{{=P(A(T("click here for the administrative interface"), _href=URL
('admin','default','index')),_style="padding-top:1em;")}}
{{=P(A(T("click here for online examples"), _href=URL
('examples','default','index')))}}
This needs to be changed to:
{{extend 'layout.html'}}
{{try:}}{{=H2(message)}}{{except:}}{{=BEAUTIFY(response._vars)}}
{{pass}}
{{=P(A(T("click here for the administrative interface"), _href=URL
('admin','default','index', r=request)),_style="padding-top:1em;")}}
{{=P(A(T("click here for online examples"), _href=URL
('examples','default','index', r=request)))}}
This will ensure that URL() has access to request object and so is
able to insert into the URL the value of SCRIPT_NAME, representing the
mount point of the WSGI application.
I don't know enough about web2py to know if there are other situations
where it would also be required to pass request object to ensure this
is all done correctly. Internally I think the core code always passes
through request object, so problem is more likely to be HTML templates
for views.
Graham
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