Sorry for the subject ,it's difficult to describe.Here is the thing:
I have developed a python extension using c++ ,mainly for querying
stardict format dictionary. It works fine outside the web framework.
But problem occurs when I import it and use it within the web
framework. I have been on this for quite a long time without success.
I'm using apache 2.2.12 mod_wsgi 2.6 + web.py 0.33 on ubuntu 9.10,
here is the related code within the web framework:
class Query:
def GET(self,w):
if not w:
return 'query please'
userdata=web.input(w=w)
word=urllib.unquote_plus(web.utils.safestr(userdata.w)) #
sd=stardict.Stardict('/usr/share/dicts') #sd is a c++ object
wrapped in python
res_tuple=sd.fuzzySearch('zombie')
tmp_str=""
for re in res_tuple: #re also a c++ object wrapped
in
python
tmp_str+=re.bookname+" "+re.exp
return tmp_str # unexpectedly,tmp_str is still blank
it returns nothing to my browser without any error in the error.log.
while the following code returns desired result when executed in
command line or a python file.
sd=stardict.Stardict('/usr/share/dicts')
res_tuple=sd.fuzzySearch('zombie')
tmp_str=""
for re in res_tuple:
tmp_str+=re.bookname+" "+re.exp
print tmp_str
isn't it weird ?
the site is publicly unavailable now , more relating information is as
follows:
part of config file:
<Directory /someplace/>
Options Indexes FollowSymLinks MultiViews
AllowOverride None
Order allow,deny
allow from all
</Directory>
WSGIScriptAlias / /someplace/app.wsgi
<Directory "/usr/lib/cgi-bin">
AllowOverride None
Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
Order allow,deny
Allow from all
</Directory>
part of httpd.conf:
LoadModule wsgi_module /usr/lib/apache2/modules/mod_wsgi.so
WSGIRestrictStdin Off #neither works with or without
WSGIRestrictStdout Off #neither works with or without
for the c extension python module , it depends on glib2.0 (no md5 or
expat ) and was wrapped to python by swig.
I totally have no idea why it happens. I hope it is not because of
mod_wsgi or web.py ,otherwise I　have to do the nasty job of
transfering my application to other framework :(
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