work around unstable loc

2015-12-01 11:18:08 +01:00 · 2015-12-01 11:18:08 +01:00 · c630852e68
commit c630852e68
parent 0def130b4a
1 changed files with 11 additions and 3 deletions
--- a/oml/meta/loc.py
+++ b/oml/meta/loc.py
@ -37,12 +37,20 @@ def lookup(id):
    logger.debug('lookup %s', id)
    ns = '{http://www.loc.gov/mods/v3}'
    url = 'http://lccn.loc.gov/%s/mods' % id
-    data = read_url(url).decode('utf-8')
-    mods = ET.fromstring(data)
-
    info = {
        'lccn': [id]
    }
+    try:
+        data = read_url(url).decode('utf-8')
+        mods = ET.fromstring(data)
+    except:
+        try:
+            data = read_url(url, timeout=0).decode('utf-8')
+            mods = ET.fromstring(data)
+        except:
+            logger.debug('lookup for %s url: %s failed', id, url, exc_info=1)
+            return info
+
    title = mods.findall(ns + 'titleInfo')
    if not title:
        return {}