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Diffstat (limited to 'python/sandcrawler/ia.py')
| -rw-r--r-- | python/sandcrawler/ia.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/python/sandcrawler/ia.py b/python/sandcrawler/ia.py index db03a5d..27bbc34 100644 --- a/python/sandcrawler/ia.py +++ b/python/sandcrawler/ia.py @@ -131,7 +131,7 @@ class CdxApiClient: rows.append(row) return rows - def fetch(self, url, datetime, filter_status_code=None): + def fetch(self, url, datetime, filter_status_code=None, retry_sleep=None): """ Fetches a single CDX row by url/datetime. Raises a KeyError if not found, because we expect to be looking up a specific full record. @@ -150,9 +150,17 @@ class CdxApiClient: params['filter'] = "statuscode:{}".format(filter_status_code) resp = self._query_api(params) if not resp: + if retry_sleep: + print("CDX fetch failed; will sleep {}sec and try again".format(retry_sleep)) + time.sleep(retry_sleep) + return self.fetch(url, datetime, filter_status_code=filter_status_code, retry_sleep=None) raise KeyError("CDX url/datetime not found: {} {}".format(url, datetime)) row = resp[0] if not (row.url == url and row.datetime == datetime): + if retry_sleep: + print("CDX fetch failed; will sleep {}sec and try again".format(retry_sleep)) + time.sleep(retry_sleep) + return self.fetch(url, datetime, filter_status_code=filter_status_code, retry_sleep=None) raise KeyError("Didn't get exact CDX url/datetime match. url:{} dt:{} got:{}".format(url, datetime, row)) if filter_status_code: assert row.status_code == filter_status_code |