]> gitweb @ CieloNegro.org - youtube-dl.git/commitdiff
[utils] Improve prepend_extension
authorSergey M․ <dstftw@gmail.com>
Sat, 2 May 2015 17:06:01 +0000 (23:06 +0600)
committerSergey M․ <dstftw@gmail.com>
Sat, 2 May 2015 17:06:01 +0000 (23:06 +0600)
Now `ext` is appended to filename if real extension != expected extension.

youtube_dl/utils.py

index f07679c76458947569fb7c33dd16eead1324e48e..b3abfbc11b8ac5f9d036ad04800c820337252da8 100644 (file)
@@ -1349,9 +1349,12 @@ def parse_duration(s):
     return res
 
 
-def prepend_extension(filename, ext):
+def prepend_extension(filename, ext, expected_real_ext=None):
     name, real_ext = os.path.splitext(filename)
-    return '{0}.{1}{2}'.format(name, ext, real_ext)
+    return (
+        '{0}.{1}{2}'.format(name, ext, real_ext)
+        if not expected_real_ext or real_ext[1:] == expected_real_ext
+        else '{0}.{1}'.format(filename, ext))
 
 
 def check_executable(exe, args=[]):