From 5048930f44e5cd8dbea81935b4a40abc3241a170 Mon Sep 17 00:00:00 2001
From: Louis <spalax@gresille.org>
Date: Fri, 4 Jul 2014 20:48:12 +0200
Subject: [PATCH] No error if files cannot be opened

---
 patacrep/index.py     | 4 +++-
 patacrep/templates.py | 4 +++-
 songbook              | 4 +++-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/patacrep/index.py b/patacrep/index.py
index b921a65d..27fa1eb1 100755
--- a/patacrep/index.py
+++ b/patacrep/index.py
@@ -40,12 +40,14 @@ def process_sxd(filename):
     Return an Index object.
     """
     data = []
+    index_file = None
     try:
         index_file = encoding.open_read(filename, 'r')
         for line in index_file:
             data.append(line.strip())
     finally:
-        index_file.close()
+        if index_file:
+            index_file.close()
 
     i = 1
     idx = Index(data[0])
diff --git a/patacrep/templates.py b/patacrep/templates.py
index 1030aaa1..1b2e7458 100755
--- a/patacrep/templates.py
+++ b/patacrep/templates.py
@@ -177,6 +177,7 @@ class TexRenderer(object):
         """
 
         subvariables = {}
+        template_file = None
         templatename = self.texenv.get_template(template).filename
         try:
             template_file = encoding.open_read(templatename, 'r')
@@ -200,7 +201,8 @@ class TexRenderer(object):
                                     )
                                 )
         finally:
-            template_file.close()
+            if template_file:
+                template_file.close()
 
         return (subvariables, subtemplates)
 
diff --git a/songbook b/songbook
index f9aee049..65adfbbf 100755
--- a/songbook
+++ b/songbook
@@ -101,6 +101,7 @@ def main():
 
     basename = os.path.basename(songbook_path)[:-3]
 
+    songbook_file = None
     try:
         songbook_file = encoding.open_read(songbook_path)
         songbook = json.load(songbook_file)
@@ -109,7 +110,8 @@ def main():
         LOGGER.error("Error while loading file '{}'.".format(songbook_path))
         sys.exit(1)
     finally:
-        songbook_file.close()
+        if songbook_file:
+            songbook_file.close()
 
     # Gathering datadirs
     datadirs = []