smaps: Add __getitem__ method

So that we can do:

  >>> import procfs
  >>> processes = procfs.pidstats()
  >>> sshd = processes.find_by_name("sshd")
  >>> print sshd_maps[0].perms
  >>> sshd_maps = procfs.smaps(sshd[0])
  >>> print sshd_maps[0].perms
  r-xp

I.e. access it like an array.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/procfs/procfs.py b/procfs/procfs.py
index 18761fb..dd9778d 100755
--- a/procfs/procfs.py
+++ b/procfs/procfs.py
@@ -777,6 +777,9 @@ class smaps:
 		self.entries.append(smaps_lib(lines))
 		return line
 
+	def __getitem__(self, index):
+		return self.entries[index]
+
 	def reload(self):
 		f = file("/proc/%d/smaps" % self.pid)
 		line = None