covers for rideró

[wolnelektury.git] / src / catalogue / views.py

diff --git a/src/catalogue/views.py b/src/catalogue/views.py
index 6782e53..503b6f5 100644 (file)
--- a/src/catalogue/views.py
+++ b/src/catalogue/views.py
@@ -365,7 +365,14 @@ def _no_diacritics_regexp(query):
 
 def unicode_re_escape(query):
     """ Unicode-friendly version of re.escape """
-    return re.sub(r'(?u)(\W)', r'\\\1', query)
+    s = list(query)
+    for i, c in enumerate(query):
+        if re.match(r'(?u)(\W)', c) and re.match(r'[\x00-\x7e]', c):
+            if c == "\000":
+                s[i] = "\\000"
+            else:
+                s[i] = "\\" + c
+    return query[:0].join(s)
 
 
 def _word_starts_with(name, prefix):
@@ -621,6 +628,7 @@ class CustomPDFFormView(AjaxableFormView):
     form_class = forms.CustomPDFForm
     title = ugettext_lazy('Download custom PDF')
     submit = ugettext_lazy('Download')
+    template = 'catalogue/custom_pdf_form.html'
     honeypot = True
 
     def __call__(self, *args, **kwargs):
@@ -777,3 +785,12 @@ def collections(request):
         'objects': objects,
         'best': best,
     })
+
+
+def ridero_cover(request, slug):
+    from librarian.cover import DefaultEbookCover
+    wldoc = Book.objects.get(slug=slug).wldocument()
+    cover = DefaultEbookCover(wldoc.book_info, width=980, bleed=20, format='PNG')
+    response = HttpResponse(content_type="image/png")
+    cover.save(response)
+    return response