nixpkgs/pkgs/tools/backup/duplicity/default.nix
Profpatsch 3c03a98235 duplicity: use new b2sdk python package
The backblaze library moved into the b2sdk package.
If it’s not used, duplicity fails loading the b2:// backend.

> BackendException: B2 backend requires B2 Python SDK (pip install
  b2sdk)
2020-09-21 13:39:37 +02:00

122 lines
3.1 KiB
Nix

{ stdenv
, fetchpatch
, fetchurl
, pythonPackages
, librsync
, ncftp
, gnupg
, gnutar
, par2cmdline
, utillinux
, rsync
, backblaze-b2
, makeWrapper
, gettext
}:
let
inherit (stdenv.lib.versions) majorMinor splitVersion;
majorMinorPatch = v: builtins.concatStringsSep "." (stdenv.lib.take 3 (splitVersion v));
in
pythonPackages.buildPythonApplication rec {
pname = "duplicity";
version = "0.8.13";
src = fetchurl {
url = "https://code.launchpad.net/duplicity/${majorMinor version}-series/${majorMinorPatch version}/+download/duplicity-${version}.tar.gz";
sha256 = "0lflg1ay4q4w9qzpmh6y2hza4fc3ig12q44qkd80ks17hj21bxa6";
};
patches = [
# We use the tar binary on all platforms.
./gnutar-in-test.patch
# Our Python infrastructure runs test in installCheckPhase so we need
# to make the testing code stop assuming it is run from the source directory.
./use-installed-scripts-in-test.patch
] ++ stdenv.lib.optionals stdenv.isLinux [
./linux-disable-timezone-test.patch
];
nativeBuildInputs = [
makeWrapper
gettext
pythonPackages.wrapPython
];
buildInputs = [
librsync
];
propagatedBuildInputs = with pythonPackages; [
b2sdk
boto
cffi
cryptography
ecdsa
idna
pygobject3
fasteners
ipaddress
lockfile
paramiko
pyasn1
pycrypto
pydrive
future
] ++ stdenv.lib.optionals (!isPy3k) [
enum
];
checkInputs = [
gnupg # Add 'gpg' to PATH.
gnutar # Add 'tar' to PATH.
librsync # Add 'rdiff' to PATH.
par2cmdline # Add 'par2' to PATH.
] ++ stdenv.lib.optionals stdenv.isLinux [
utillinux # Add 'setsid' to PATH.
] ++ (with pythonPackages; [
lockfile
mock
pexpect
pytest
pytestrunner
]);
postInstall = ''
wrapProgram $out/bin/duplicity \
--prefix PATH : "${stdenv.lib.makeBinPath [ gnupg ncftp rsync ]}"
'';
preCheck = ''
wrapPythonProgramsIn "$PWD/testing/overrides/bin" "$pythonPath"
# Add 'duplicity' to PATH for tests.
# Normally, 'setup.py test' adds 'build/scripts-2.7/' to PATH before running
# tests. However, 'build/scripts-2.7/duplicity' is not wrapped, so its
# shebang is incorrect and it fails to run inside Nix' sandbox.
# In combination with use-installed-scripts-in-test.patch, make 'setup.py
# test' use the installed 'duplicity' instead.
PATH="$out/bin:$PATH"
# Don't run developer-only checks (pep8, etc.).
export RUN_CODE_TESTS=0
'' + stdenv.lib.optionalString stdenv.isDarwin ''
# Work around the following error when running tests:
# > Max open files of 256 is too low, should be >= 1024.
# > Use 'ulimit -n 1024' or higher to correct.
ulimit -n 1024
'';
# TODO: Fix test failures on macOS 10.13:
#
# > OSError: out of pty devices
doCheck = !stdenv.isDarwin;
meta = with stdenv.lib; {
description = "Encrypted bandwidth-efficient backup using the rsync algorithm";
homepage = "https://www.nongnu.org/duplicity";
license = licenses.gpl2Plus;
maintainers = with maintainers; [ peti ];
platforms = platforms.unix;
};
}