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get_replag() method for Site.

tags/v0.1^2
Ben Kurtovic 13 years ago
parent
commit
105a4eba8c
1 changed files with 13 additions and 0 deletions
  1. +13
    -0
      bot/wiki/site.py

+ 13
- 0
bot/wiki/site.py View File

@@ -39,6 +39,7 @@ class Site(object):
domain -- returns our web domain, like "en.wikipedia.org"
api_query -- does an API query with the given kwargs as params
sql_query -- does an SQL query and yields its results
get_replag -- returns the estimated database replication lag
namespace_id_to_name -- given a namespace ID, returns associated name(s)
namespace_name_to_id -- given a namespace name, returns associated id
get_page -- returns a Page object for the given title
@@ -521,6 +522,18 @@ class Site(object):
for result in cur:
yield result

def get_replag(self):
"""Return the estimated database replication lag in seconds.
Requires SQL access. This function only makes sense on a replicated
database (e.g. the Wikimedia Toolserver) and on a wiki that receives a
large number of edits (ideally, at least one per second), or the result
may be larger than expected.
"""
query = "SELECT NOW() - MAX(rev_timestamp) FROM revision"
result = list(self.sql_query(query))
return result[0][0]

def namespace_id_to_name(self, ns_id, all=False):
"""Given a namespace ID, returns associated namespace names.



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