some adhoc fixes for difficult strings

Qalbum.py

@@ -21,6 +21,7 @@ import urllib
 import shutil
 import csv
 import subprocess
+import string
 from math import ceil
 from datetime import datetime
 
@@ -168,7 +169,10 @@ def imagescript(path,list):
     times=getfiletimes(path,list)
     n=0
     for i in list:
+        try:
             desc=singlequotes.sub("\\'",unicode(descriptions[n],encoding="utf8").encode('ascii', 'xmlcharrefreplace'))
+        except:
+            desc=singlequotes.sub("\\'",filter(lambda x: x in string.printable, descriptions[n]).encode('ascii', 'xmlcharrefreplace'))
         strout+='imagelist.push("'+unicode(i,encoding="utf8").encode('ascii', 'xmlcharrefreplace')+'");'
         strout+='imagedesc.push(\''+desc+'\');\n'
         strout+='imagetime.push('+str(times[n])+');\n'
@@ -184,7 +188,11 @@ def imagelinks(path,list):
     n=0
     for i in list:
         nice=nicestring(i)
+        try:
             desc=doublequotes.sub('',unicode(descriptions[n],encoding="utf8").encode('ascii', 'xmlcharrefreplace'))
+        except:
+            desc=doublequotes.sub('',filter(lambda x: x in string.printable, descriptions[n]).encode('ascii', 'xmlcharrefreplace'))
+
         strout+='<span class="imagebox thumbbox" id="n'+str(n)+'"><a href="'+urllib.quote(i)+'"><img class="thumbimage" "title="'+desc+'" src="_tn/tn_'+urllib.quote(i)+'.jpg"><br/>'+unicode(nice,encoding="utf8").encode('ascii', 'xmlcharrefreplace')+'</a></span>'
         n+=1
     strout+='</noscript></div>'