new_contents: # stats - get stats on the given repo
  
  import sys
  import hglib
  
  # figure out what repo path to use
  repo = '.'
  if len(sys.argv) > 1:
      repo = sys.argv[1]
  
  # connect to hg
  client = hglib.open(repo)
  
  # gather some stats
  revs = int(client.tip().rev)
  files = len(list(client.manifest()))
  heads = len(client.heads())
  branches = len(client.branches())
  tags = len(client.tags()) - 1 # don't count tip
  
  authors = {}
  for e in client.log():
      authors[e.author] = True
  
  merges = 0
  for e in client.log(onlymerges=True):
      merges += 1
  
  print "%d revisions" % revs
  print "%d merges" % merges
  print "%d files" % files
  print "%d heads" % heads
  print "%d branches" % branches
  print "%d tags" % tags
  print "%d authors" % len(authors)
  
subject: add simple stat-gathering example