propagated exception

diff --git a/mp3tohtml/mp3tohtml.py b/mp3tohtml/mp3tohtml.py
index 5b96b90..1cd1004 100755 (executable)
--- a/mp3tohtml/mp3tohtml.py
+++ b/mp3tohtml/mp3tohtml.py
@@ -54,12 +54,12 @@ def copy_header(path):
         header = open(header_path, "r")
         for line in header:
             sys.stdout.write(line)
-    except IOError as err:
+        header.close()
+    except IOError as e:
         sys.stderr.write("Failed to read header file "
                          + header_path
-                         + ": " + err.strerror + "\n")
-        sys.exit(1)
-    header.close()
+                         + ": " + e.strerror + "\n")
+        raise
 
 def copy_footer(path):
     footer_path = path + "/footer.tpl"
@@ -67,12 +67,12 @@ def copy_footer(path):
         footer = open(footer_path, "r")
         for line in footer:
             sys.stdout.write(line)
-    except IOError as err:
+        footer.close()
+    except IOError as e:
         sys.stderr.write("Failed to read footer file "
                          + footer_path
-                         + ": " + err.strerror + "\n")
-        sys.exit(1)
-    footer.close()
+                         + ": " + e.strerror + "\n")
+        raise
 
 parser = argparse.ArgumentParser(description='Generate an HTML containing information about the MP3 files.')
 parser.add_argument('dir', help='The directory containing the MP3 files')