Mercurial > hg

changeset 23816:34d4b58580d1

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setdiscovery: document '_takequicksample'
author Pierre-Yves David <pierre-yves.david@fb.com>
date Wed, 07 Jan 2015 20:44:20 -0800
parents 31e75a362d44
children 813aaaf2aff3
files mercurial/setdiscovery.py
diffstat 1 files changed, 8 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/setdiscovery.py	Tue Jan 06 17:07:44 2015 -0800
+++ b/mercurial/setdiscovery.py	Wed Jan 07 20:44:20 2015 -0800
@@ -95,6 +95,14 @@
     return always, set(), desiredlen
 
 def _takequicksample(dag, nodes, size):
+    """takes a quick sample of size <size>
+
+    It is meant for initial sampling and focuses on querying heads and close
+    ancestors of heads.
+
+    :dag: a dag object
+    :nodes: set of nodes to discover
+    :size: the maximum size of the sample"""
     sample = dag.headsetofconnecteds(nodes)
     if size <= len(sample):
         return _limitsample(sample, size)