update for precise

The layout has changed for precise. Just update this to support
precise and not oneiric. We don't need to continue build those
diff --git a/crawler.py b/crawler.py
index e939518..4498885 100755
--- a/crawler.py
+++ b/crawler.py
@@ -13,23 +13,14 @@
         links = [] #return empty array
     return links
 
-def list_hwpacks(url):
-    hwpack_urls = []
+def list_hwpack(url):
+    ''' returns tuple of (buildate, url)
+    '''
     urls = list_links(url, r'<a\s*href=[\'|"](hwpack.*?\.tar\.gz)[\'"].*?>')
     for link in urls:
-        hwpack_urls.append('%s/%s' % (url,link))
-    return hwpack_urls
-
-def list_hwpack_builds(url, date):
-    url = "%s/%s" % (url,date)
-    links = list_links(url, r'<a\s*href=[\'|"](\d)\/[\'"].*?>')
-    builds = []
-    for link in sorted(links, reverse=True):
-        hwurl = "%s/%s/images/hwpack/" % (url, link)
-        hwpack = list_hwpacks(hwurl)
-        if len(hwpack) is 1:
-            builds.append(hwpack[0])
-    return builds
+        build_date = re.compile('_(\d+)-').findall(link)
+        return (build_date[0], '%s/%s' % (url,link))
+    return None
 
 def latest_hwpacks(url, limit=7):
     '''returns an array of tuples (build-date, hwpack url) like:
@@ -39,28 +30,17 @@
     links = list_links(url, r'<a\s*href=[\'|"](\d+)\/[\'"].*?>')[:limit]
     hwpacks = []
     for link in sorted(links, reverse=True):
-        builds = list_hwpack_builds(url, link)
-        if len(builds) > 0:
-            hwpacks.append((link,builds[0]))
+        build = list_hwpack('%s/%s'% (url, link))
+        if build is not None:
+            hwpacks.append(build)
     return hwpacks
 
 def list_rfs(url):
-    links = list_links(url, r'<a\s*href=[\'|"](linaro-.*?\.tar\.gz)[\'"].*?>')
+    links = list_links(url, r'<a\s*href=[\'|"](linaro-.*?\d+(?!config)\.tar\.gz)[\'"].*?>')
     if len(links) is 1:
         return "%s/%s" %(url,links[0])
     return None
 
-def list_rfs_builds(url, date):
-    url = "%s/%s" % (url,date)
-    links = list_links(url, r'<a\s*href=[\'|"](\d)\/[\'"].*?>')
-    builds = []
-    for link in sorted(links, reverse=True):
-        hwurl = "%s/%s/images/tar/" % (url, link)
-        rfs = list_rfs(hwurl)
-        if rfs is not None:
-            builds.append(rfs)
-    return builds
-
 def latest_rfs(url, limit=7):
     '''
     Returns a tuple of (builddate, url)
@@ -68,9 +48,9 @@
     # only analyze the last few builds
     links = list_links(url, r'<a\s*href=[\'|"](\d+)\/[\'"].*?>')[:limit]
     for link in sorted(links, reverse=True):
-        builds = list_rfs_builds(url, link)
-        if len(builds) > 0:
-            return (link, builds[0])
+        build = list_rfs('%s/%s' %(url, link))
+        if build is not None:
+            return (link, build)
 
     return None