From 13585d7682ef6351bfcd463cf1802bc8fbadaf43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Thu, 18 Aug 2016 23:32:00 +0700
Subject: [PATCH] [utils] Recognize lowercase units in parse_filesize

---
 test/test_utils.py  | 2 ++
 youtube_dl/utils.py | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/test/test_utils.py b/test/test_utils.py
index 74fcf91c0c..cb578cd536 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -817,7 +817,9 @@ def test_parse_filesize(self):
         self.assertEqual(parse_filesize('2 MiB'), 2097152)
         self.assertEqual(parse_filesize('5 GB'), 5000000000)
         self.assertEqual(parse_filesize('1.2Tb'), 1200000000000)
+        self.assertEqual(parse_filesize('1.2tb'), 1200000000000)
         self.assertEqual(parse_filesize('1,24 KB'), 1240)
+        self.assertEqual(parse_filesize('1,24 kb'), 1240)
 
     def test_parse_count(self):
         self.assertEqual(parse_count(None), None)
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index b3b687a314..35362e7674 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -1508,34 +1508,42 @@ def parse_filesize(s):
         'KB': 1000,
         'kB': 1024,
         'Kb': 1000,
+        'kb': 1000,
         'MiB': 1024 ** 2,
         'MB': 1000 ** 2,
         'mB': 1024 ** 2,
         'Mb': 1000 ** 2,
+        'mb': 1000 ** 2,
         'GiB': 1024 ** 3,
         'GB': 1000 ** 3,
         'gB': 1024 ** 3,
         'Gb': 1000 ** 3,
+        'gb': 1000 ** 3,
         'TiB': 1024 ** 4,
         'TB': 1000 ** 4,
         'tB': 1024 ** 4,
         'Tb': 1000 ** 4,
+        'tb': 1000 ** 4,
         'PiB': 1024 ** 5,
         'PB': 1000 ** 5,
         'pB': 1024 ** 5,
         'Pb': 1000 ** 5,
+        'pb': 1000 ** 5,
         'EiB': 1024 ** 6,
         'EB': 1000 ** 6,
         'eB': 1024 ** 6,
         'Eb': 1000 ** 6,
+        'eb': 1000 ** 6,
         'ZiB': 1024 ** 7,
         'ZB': 1000 ** 7,
         'zB': 1024 ** 7,
         'Zb': 1000 ** 7,
+        'zb': 1000 ** 7,
         'YiB': 1024 ** 8,
         'YB': 1000 ** 8,
         'yB': 1024 ** 8,
         'Yb': 1000 ** 8,
+        'yb': 1000 ** 8,
     }
 
     return lookup_unit_table(_UNIT_TABLE, s)