From 41e92ab685cbcf842d1c4f33b8b29f94193938ed Mon Sep 17 00:00:00 2001
From: Oleg Broytman <phd@phdru.name>
Date: Fri, 14 Mar 2014 01:29:06 +0400
Subject: [PATCH] Create the directory for the output files

Create the directory for the output files (-O) if it doesn't exits.
---
 ANNOUNCE           |  2 ++
 mimedecode.docbook |  4 ++--
 mimedecode.py      | 11 ++++++++++-
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/ANNOUNCE b/ANNOUNCE
index 201eccd..5bd1a55 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -38,6 +38,8 @@ headers/bodies/messages to files.
 
    Add option -O to set the destination directory for output files.
 
+   Create the directory for the output files (-O) if it doesn't exits.
+
    Fix a minor bug: if a multipart message (or a subpart) lacks any textual
 content - avoid putting an excessive newline.
 
diff --git a/mimedecode.docbook b/mimedecode.docbook
index 9acc320..58ca08d 100644
--- a/mimedecode.docbook
+++ b/mimedecode.docbook
@@ -468,8 +468,8 @@
       <term>-O dest_dir</term>
       <listitem>
          <para>
-           Set destination directory for the output files; the directory must
-           exist. Default is current directory.
+           Set destination directory for the output files; if the directory
+           doesn't exist it will be created. Default is current directory.
           </para>
       </listitem>
    </varlistentry>
diff --git a/mimedecode.py b/mimedecode.py
index 392e707..c1731d6 100755
--- a/mimedecode.py
+++ b/mimedecode.py
@@ -396,7 +396,16 @@ def decode_message(msg):
 
 
 def open_output_file(filename):
-    return open(os.path.join(g.destination_dir, filename), 'w')
+    fullpath = os.path.abspath(os.path.join(g.destination_dir, filename))
+    full_dir = os.path.dirname(fullpath)
+    create = not os.path.isdir(full_dir)
+    if create:
+        os.makedirs(full_dir)
+    try:
+        return open(fullpath, 'w')
+    except:
+        if create:
+            os.removedirs(full_dir)
 
 
 class GlobalOptions:
-- 
2.39.5