Change :cache mode behavior

Makes underlying code way cleaner

morss/crawler.py

@@ -203,7 +203,7 @@ class BaseCacheHandler(BaseHandler):
     handler_order = 499
 
     def __init__(self, force_min=None):
-        self.force_min = force_min # force_min (seconds) to bypass http headers, -1 forever, 0 never, -2 do nothing if not in cache, -3 is like -2 but raises an error
+        self.force_min = force_min # force_min (seconds) to bypass http headers, -1 forever, 0 never, -2 do nothing if not in cache
 
     def _load(self, url):
         out = list(self.load(url))
@@ -254,22 +254,17 @@ class BaseCacheHandler(BaseHandler):
         cache_age = time.time() - timestamp
 
         # list in a simple way what to do when
-        if self.force_min in (-2, -3):
+        if self.force_min == -2:
             if code is not None:
                 # already in cache, perfect, use cache
                 pass
 
             else:
-                # ok then...
-                if self.force_min == -2:
                 headers['morss'] = 'from_cache'
                 resp = addinfourl(BytesIO(), headers, req.get_full_url(), 409)
                 resp.msg = 'Conflict'
                 return resp
 
-                elif self.force_min == -3:
-                    raise NotInCache()
-
         elif code is None:
             # cache empty, refresh
             return None

morss/morss.py

@@ -272,19 +272,15 @@ def Fill(item, options, feedurl='/', fast=False):
 
     if fast:
         # super-fast mode
-        delay = -3
+        delay = -2
 
     try:
         con = custom_handler(('html', 'text/*'), delay).open(link, timeout=TIMEOUT)
         data = con.read()
 
-    except crawler.NotInCache:
-        log('skipped')
-        return False
-
     except (IOError, HTTPException) as e:
         log('http error')
-        return True
+        return False # let's just delete errors stuff when in cache mode
 
     contenttype = con.info().get('Content-Type', '').split(';')[0]
     if contenttype not in MIMETYPE['html'] and contenttype != 'text/plain':