Fix #6757 (News Download of taz Digiabo fails)

resources/recipes/taz.recipe

@@ -8,8 +8,9 @@ __docformat__ = 'restructuredtext de'
 '''
 www.taz.de/digiabo
 '''
-import os, urllib2, zipfile, tempfile
+import os, urllib2, zipfile
 from calibre.web.feeds.news import BasicNewsRecipe
+from calibre.ptempfile import PersistentTemporaryFile
 
 class TazDigiabo(BasicNewsRecipe):
 
@@ -26,7 +27,6 @@ class TazDigiabo(BasicNewsRecipe):
     }
 
     def build_index(self):
-        if self.username is not None and self.password is not None:
         domain = "http://www.taz.de"
 
         url = domain + "/epub/"
@@ -46,11 +46,12 @@ class TazDigiabo(BasicNewsRecipe):
             raise ValueError('Failed to login, check your username and'
                     ' password')
 
-            tmp = tempfile.TemporaryFile()
+        tmp = PersistentTemporaryFile(suffix='.epub')
         self.report_progress(0,_('downloading epub'))
         tmp.write(f.read())
+        tmp.close()
 
-            zfile = zipfile.ZipFile(tmp, 'r')
+        zfile = zipfile.ZipFile(tmp.name, 'r')
         self.report_progress(0,_('extracting epub'))
 
         zfile.extractall(self.output_dir)
@@ -61,3 +62,4 @@ class TazDigiabo(BasicNewsRecipe):
         self.report_progress(1,_('epub downloaded and extracted'))
 
         return index
+

src/calibre/web/feeds/input.py

@@ -10,6 +10,7 @@ import os
 
 from calibre.customize.conversion import InputFormatPlugin, OptionRecommendation
 from calibre.constants import numeric_version
+from calibre import walk
 
 class RecipeDisabled(Exception):
     pass
@@ -111,6 +112,10 @@ class RecipeInput(InputFormatPlugin):
             if f.endswith('.opf'):
                 return os.path.abspath(f)
 
+        for f in walk('.'):
+            if f.endswith('.opf'):
+                return os.path.abspath(f)
+
     def postprocess_book(self, oeb, opts, log):
         if self.recipe_object is not None:
             self.recipe_object.postprocess_book(oeb, opts, log)