python3Packages.pykalman: init at 0.9.5
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pkgs/development/python-modules/pykalman/default.nix
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44
pkgs/development/python-modules/pykalman/default.nix
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{ lib
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, buildPythonPackage
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, fetchPypi
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, numpy
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, scipy
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, pytestCheckHook
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, nose
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}:
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buildPythonPackage rec {
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pname = "pykalman";
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version = "0.9.5";
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format = "setuptools";
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src = fetchPypi {
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inherit pname version;
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hash = "sha256-gWr0dyDZJKTGAW+nS54sjCEWWgjZFpPDIqF0Ho4H+zg=";
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};
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patches = [
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# https://github.com/pykalman/pykalman/issues/83
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./fix-masked-arrays-not-supported.patch
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# python 3.11 issues fix: https://github.com/pykalman/pykalman/pull/101
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./fix-p311-issues.patch
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];
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propagatedBuildInputs = [
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numpy
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scipy
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];
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nativeCheckInputs = [
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pytestCheckHook
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nose
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];
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pythonImportsCheck = [ "pykalman" ];
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meta = with lib; {
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description = "An implementation of the Kalman Filter, Kalman Smoother, and EM algorithm in Python";
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homepage = "https://github.com/pykalman/pykalman";
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license = licenses.bsd2;
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maintainers = with maintainers; [ mbalatsko ];
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};
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}
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@ -0,0 +1,14 @@
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--- a/pykalman/utils.py
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+++ b/pykalman/utils.py
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@@ -70,7 +70,10 @@
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cv_chol = linalg.cholesky(cv + min_covar * np.eye(n_dim),
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lower=True)
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cv_log_det = 2 * np.sum(np.log(np.diagonal(cv_chol)))
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- cv_sol = solve_triangular(cv_chol, (X - mu).T, lower=True).T
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+ try:
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+ cv_sol = solve_triangular(cv_chol, (X - mu).T, lower=True).T
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+ except ValueError:
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+ cv_sol = np.linalg.solve(cv_chol, (X - mu).T).T
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log_prob[:, c] = - .5 * (np.sum(cv_sol ** 2, axis=1) + \
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n_dim * np.log(2 * np.pi) + cv_log_det)
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@ -0,0 +1,13 @@
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--- a/pykalman/utils.py
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+++ b/pykalman/utils_copy.py
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@@ -40,6 +40,10 @@
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from scipy import linalg
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+# monkey patch
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+if not hasattr(inspect, 'getargspec'):
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+ inspect.getargspec = inspect.getfullargspec
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+
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def array1d(X, dtype=None, order=None):
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"""Returns at least 1-d array with data from X"""
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return np.asarray(np.atleast_1d(X), dtype=dtype, order=order)
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@ -9439,6 +9439,8 @@ self: super: with self; {
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pykaleidescape = callPackage ../development/python-modules/pykaleidescape { };
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pykalman = callPackage ../development/python-modules/pykalman { };
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pykdl = callPackage ../development/python-modules/pykdl { };
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pykdtree = callPackage ../development/python-modules/pykdtree {
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