fixup! Issue #20 add support for tar files too

CHANGELOG.md

@@ -7,7 +7,7 @@
 - Replace `optparse` usage with `argparse`
   ([#10](https://github.com/soxofaan/duviz/issues/10))
 - Drop Python 3.5 support ([#27](https://github.com/soxofaan/duviz/issues/27))
-- New feature: size breakdown of ZIP files ([#20](https://github.com/soxofaan/duviz/issues/20))
+- New feature: size breakdown of ZIP and tar files ([#20](https://github.com/soxofaan/duviz/issues/20))
 
 
 ## [3.1.2] - 2022-12-09

README.rst

@@ -49,7 +49,7 @@ Features
 - Detects your terminal width for maximum visualization pleasure.
 - Not only supports "disk usage" based on file size,
   but also allows to count files (inode count mode)
-  or give a size breakdown of ZIP files.
+  or give a size breakdown of ZIP or tar files.
 - Option to use terminal colors for the boxes instead of ASCII art
 
 
@@ -95,8 +95,10 @@ If you specify one or more directories, it will render the usage of those direct
 
 Instead of size in bytes, you can also get inode usage: just use the option ``--inodes`` (or ``-i`` in short).
 
-If you directly pass ``duviz`` a ZIP file, it will visualize the size breakdown of the file tree in the ZIP file.
-By default, the compresses size will be visualized,
-but decompressed size can be shown with option ``--decompressed``.
+If you directly pass ``duviz`` a ZIP or tar file,
+it will visualize the size breakdown of the file tree in the ZIP/tar file.
+In case of ZIP files, the compressed size will be shown by default
+(option ``--unzip-size`` will toggle showing of decompressed size).
+For tar files, only the decompressed size is available.
 
 Run it with option ``--help`` for more options.

duviz.py

@@ -629,10 +629,9 @@ def main():
         help="Force ZIP-file handling of given paths (e.g. lacking a traditional `.zip` extension).",
     )
     cli.add_argument(
-        # TODO short option, "-d"?
-        "--decompressed",
+        "--unzip-size",
         action="store_true",
-        help="Use decompressed file size instead of compressed file size when processing an archive file (e.g. ZIP)",
+        help="Visualize decompressed file size instead of compressed file size for ZIP files.",
     )
     cli.add_argument(
         # TODO short option?
@@ -664,7 +663,7 @@ def main():
         if args.zip or (
             os.path.isfile(path) and os.path.splitext(path)[1].lower() == ".zip"
         ):
-            tree = ZipFileProcessor.from_zipfile(path, compressed=not args.decompressed)
+            tree = ZipFileProcessor.from_zipfile(path, compressed=not args.unzip_size)
             size_formatter = SIZE_FORMATTER_BYTES
         elif args.tar or (
             os.path.isfile(path)