[poringa] improvements and fixes

- add 'num' and 'count' metadata fields
- prevent crash for "private" posts
- prevent crash when there's no 'main-info'
- update tests

test/results/poringa.py

@@ -12,36 +12,43 @@ __tests__ = (
     "#url"     : "http://www.poringa.net/posts/imagenes/3051081/Turrita-alto-ojete.html",
     "#category": ("", "poringa", "post"),
     "#class"   : poringa.PoringaPostExtractor,
-    "#pattern" : r"http://www\.poringa\.net/posts/imagenes/3051081/[a-zA-Z0-9_-]+\.html",
+    "#count"   : 26,
 
-    "post_id" : "3051081",
-    "title"   : "turrita alto ojete...",
-    "user"    : "vipower1top",
+    "count"    : 26,
+    "num"      : range(1, 26),
+    "post_id"  : "3051081",
+    "title"    : "turrita alto ojete...",
+    "user"     : "vipower1top",
 },
 
 {
     "#url"     : "http://www.poringa.net/posts/imagenes/3095554/Otra-culona-de-instagram.html",
     "#category": ("", "poringa", "post"),
     "#class"   : poringa.PoringaPostExtractor,
-    "#pattern" : r"http://www\.poringa\.net/posts/imagenes/3095554/[a-zA-Z0-9_-]+\.html",
+    "#count"   : 15,
 
-    "post_id" : "3095554",
-    "title"   : "Otra culona de instagram",
-    "user"    : "Expectro007",
+    "count"    : 15,
+    "num"      : range(1, 15),
+    "post_id"  : "3095554",
+    "title"    : "Otra culona de instagram",
+    "user"     : "Expectro007",
 },
 
 {
     "#url"     : "http://www.poringa.net/Expectro007",
     "#category": ("", "poringa", "user"),
     "#class"   : poringa.PoringaUserExtractor,
-    "#pattern" : r"https?://img-[0-9]\.poringa\.net/poringa/img/[a-zA-Z0-9/{2}]{12}[a-zA-Z0-9-_]+/[a-zA-Z0-9-_]+\.jpg",
+    "#pattern" : r"https?://img-\d+\.poringa\.net/poringa/img/././././././Expectro007/\w{3}\.(jpg|png|gif)",
+    "#count"   : range(500, 600),
 },
 
 {
     "#url"     : "http://www.poringa.net/buscar/?&q=yuslopez",
     "#category": ("", "poringa", "search"),
     "#class"   : poringa.PoringaSearchExtractor,
-    "#pattern" : r"https?://img-[0-9]\.poringa\.net/poringa/img/[a-zA-Z0-9/{2}]{12}[a-zA-Z0-9-_]+/[a-zA-Z0-9-_]+\.jpg",
+    "#pattern" : r"https?://img-\d+\.poringa\.net/poringa/img/././././././\w+/\w{3}\.(jpg|png|gif)",
+    "#range"   : "1-50",
+    "#count"   : 50,
 },
 
 )