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-rw-r--r--gnu/packages/python-compression.scm30
1 files changed, 30 insertions, 0 deletions
diff --git a/gnu/packages/python-compression.scm b/gnu/packages/python-compression.scm
index 8aa666cc25..999f989102 100644
--- a/gnu/packages/python-compression.scm
+++ b/gnu/packages/python-compression.scm
@@ -72,6 +72,36 @@ file-object abstraction, making it possible to use multiple files as if they
were a single file.")
(license license:lgpl2.1+)))
+(define-public python-pybcj
+ (package
+ (name "python-pybcj")
+ (version "1.0.1")
+ (source (origin
+ (method url-fetch)
+ (uri (pypi-uri "pybcj" version))
+ (sha256
+ (base32
+ "1hvm3c3mb20z25kmbzyyn6pr5inx50z0ignl8b0bggxaik82ws4b"))))
+ (build-system pyproject-build-system)
+ (propagated-inputs (list python-importlib-metadata))
+ (native-inputs
+ (list python-coverage
+ python-hypothesis
+ python-pytest
+ python-pytest-cov
+ python-setuptools-scm))
+ (home-page "https://codeberg.org/miurahr/pybcj")
+ (synopsis "BCJ filter library")
+ (description "In data compression, BCJ, short for Branch-Call-Jump, refers
+to a technique that improves the compression of machine code of executable
+binaries by replacing relative branch addresses with absolute ones. This
+allows a LZMA compressor to identify duplicate targets and archive higher
+compression rate. BCJ is used in the 7-zip compression utility as the default
+filter for executable binaries.
+
+pybcj provides Python bindings to a BCJ implementation in C.")
+ (license license:lgpl2.1+)))
+
(define-public python-bcj-cffi
(package
(name "python-bcj-cffi")