diff options
Diffstat (limited to 'framework/backends')
| -rw-r--r-- | framework/backends/abstract.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/framework/backends/abstract.py b/framework/backends/abstract.py index c892995e3..4a87857d7 100644 --- a/framework/backends/abstract.py +++ b/framework/backends/abstract.py @@ -49,7 +49,12 @@ def write_compressed(filename): """ mode = compression.get_mode() if mode != 'none': - filename = '{}.{}'.format(filename, mode) + # if the suffix (final .xxx) is a knwon compression suffix + suffix = os.path.splitext(filename)[1] + if suffix in compression.COMPRESSION_SUFFIXES: + filename = '{}.{}'.format(os.path.splitext(filename)[0], mode) + else: + filename = '{}.{}'.format(filename, mode) with compression.COMPRESSORS[mode](filename) as f: yield f |