Simplify exception handling.

dosage

@@ -129,7 +129,7 @@ def displayHelp(comics):
     try:
         for scraperobj in getScrapers(comics):
             displayComicHelp(scraperobj)
-    except ValueError as msg:
+    except Exception as msg:
         out.error(msg)
         return 1
     return 0
@@ -157,7 +157,7 @@ def getComics(options):
     try:
         for scraperobj in getScrapers(options.comic, options.basepath, options.adult, options.multimatch):
             errors += getStrips(scraperobj, options)
-    except ValueError as msg:
+    except Exception as msg:
         out.error(msg)
         errors += 1
     finally:
@@ -185,7 +185,7 @@ def getStrips(scraperobj, options):
                 # stop when retrieval skipped an image for one comic strip
                 out.info("Stop retrieval because image file already exists")
                 break
-    except (ValueError, IOError) as msg:
+    except Exception as msg:
         out.error(msg)
         errors += 1
     return errors

dosagelib/comic.py

@@ -49,10 +49,7 @@ class ComicImage(object):
 
     def connect(self):
         """Connect to host and get meta information."""
-        try:
-            self.urlobj = getImageObject(self.url, self.referrer, self.session)
-        except IOError as msg:
-            raise IOError('error retrieving URL %s: %s' % (self.url, msg))
+        self.urlobj = getImageObject(self.url, self.referrer, self.session)
         content_type = unquote(self.urlobj.headers.get('content-type', 'application/octet-stream'))
         content_type = content_type.split(';', 1)[0]
         if '/' in content_type: