From 4ae6ad57a0f80143e3ded867c1fdd2264804a775 Mon Sep 17 00:00:00 2001
From: Kali Kaneko <kali@leap.se>
Date: Tue, 21 Jan 2014 19:22:09 -0400
Subject: memory store for append/fetch/copy

---
 src/leap/mail/size.py | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/leap/mail/size.py

(limited to 'src/leap/mail/size.py')

diff --git a/src/leap/mail/size.py b/src/leap/mail/size.py
new file mode 100644
index 0000000..4880d71
--- /dev/null
+++ b/src/leap/mail/size.py
@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+# size.py
+# Copyright (C) 2014 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+Recursively get size of objects.
+"""
+from gc import collect
+from itertools import chain
+from sys import getsizeof
+
+
+def _get_size(item, seen):
+    known_types = {dict: lambda d: chain.from_iterable(d.items())}
+    default_size = getsizeof(0)
+
+    def size_walk(item):
+        if id(item) in seen:
+            return 0
+        seen.add(id(item))
+        s = getsizeof(item, default_size)
+        for _type, fun in known_types.iteritems():
+            if isinstance(item, _type):
+                s += sum(map(size_walk, fun(item)))
+                break
+        return s
+
+    return size_walk(item)
+
+
+def get_size(item):
+    """
+    Return the cumulative size of a given object.
+
+    Currently it supports only dictionaries, and seemingly leaks
+    some memory, so use with care.
+
+    :param item: the item which size wants to be computed
+    """
+    seen = set()
+    size = _get_size(item, seen)
+    #print "len(seen) ", len(seen)
+    del seen
+    collect()
+    return size
-- 
cgit v1.2.3


From a7e0054b595822325f749b0b1df7d25cab4e6486 Mon Sep 17 00:00:00 2001
From: Kali Kaneko <kali@leap.se>
Date: Tue, 28 Jan 2014 18:39:59 -0400
Subject: docstring fixes

Also some fixes for None comparisons.
---
 src/leap/mail/size.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/leap/mail/size.py')

diff --git a/src/leap/mail/size.py b/src/leap/mail/size.py
index 4880d71..c9eaabd 100644
--- a/src/leap/mail/size.py
+++ b/src/leap/mail/size.py
@@ -48,10 +48,10 @@ def get_size(item):
     some memory, so use with care.
 
     :param item: the item which size wants to be computed
+    :rtype: int
     """
     seen = set()
     size = _get_size(item, seen)
-    #print "len(seen) ", len(seen)
     del seen
     collect()
     return size
-- 
cgit v1.2.3