trustregion

This package provides Python routines for solving the trust-region subproblem from nonlinear, nonconvex optimization. For more details on trust-region methods, see the book: A. R. Conn, N. I. M. Gould and Ph. L. Toint (2000), Trust-Region Methods, MPS-SIAM Series on Optimization.

The trust-region subproblem we solve is

min_{s in R^n}  g^T s + 0.5 s^T H s, subject to ||s||_2 <= delta (and sl <= s <= su)

Quick install

$ sudo apt-get install gfortran
$ pip install --user numpy
$ pip install --user trustregion

For more details, see below. Note that NumPy must be installed first, as it is used to compile the Fortran-linked modules.

Interface

The Python package trustregion provides one routine, solve, with interface:

import trustregion
s               = trustregion.solve(g, H, delta, sl=None, su=None, verbose_output=False)
s, gnew, crvmin = trustregion.solve(g, H, delta, sl=None, su=None, verbose_output=True)

where the inputs are

g, the gradient of the objective (as a 1D NumPy array)
H, the symmetric Hessian matrix of the objective (as a 2D square NumPy array) - this can be None if the model is linear
delta, the trust-region radius (non-negative float)
sl, the lower bounds on the step (as a 1D NumPy array) - this can be None if not present, but sl and su must either be both None or both set
su, the upper bounds on the step (as a 1D NumPy array) - this can be None if not present, but sl and su must either be both None or both set
verbose_output, a flag indicating which outputs to return.

The outputs are:

s, an approximate minimizer of the subproblem (as a 1D NumPy array)
gnew, the gradient of the objective at the solution s (i.e. gnew = g + H.dot(s))
crvmin, a float giving information about the curvature of the problem. If s is on the trust-region boundary (given by delta), then crvmin=0. If s is constrained in all directions by the box constraints, then crvmin=-1. Otherwise, crvmin>0 is the smallest curvature seen in the Hessian.

Example Usage

Examples for the use of trustregion.solve can be found in the examples directory on Github.

Algorithms

trustregion implements three different methods for solving the subproblem, based on the problem class (in Fortran 90, wrapped to Python):

trslin.f90 solves the linear objective case (where H=None or H=0), using Algorithm B.1 from: L. Roberts (2019), Derivative-Free Algorithms for Nonlinear Optimisation Problems, PhD Thesis, University of Oxford.
trsapp.f90 solves the quadratic case without box constraints. It is a minor modification of the routine of the same name in NEWUOA [M. J. D. Powell (2004), The NEWUOA software for unconstrained optimization without derivatives, technical report DAMTP 2004/NA05, University of Cambridge].
trsbox.f90 solves the quadratic case with box constraints. It is a minor modification of the routine of the same name in BOBYQA [M. J. D. Powell (2009), The BOBYQA algorithm for bound constrained optimization without derivatives, technical report DAMTP 2009/NA06, University of Cambridge].

In the linear case, an active-set method is used to solve the resulting convex problem. In the quadratic cases, a modification of the Steihaug-Toint/conjugate gradient method is used. For more details, see the relevant references above.

Requirements

trustregion requires the following software to be installed:

Fortran compiler (e.g. gfortran)
Python 3.8 or higher (http://www.python.org/)

Additionally, the following python packages should be installed (these will be installed automatically if using pip, see Installation using pip):

NumPy (http://www.numpy.org/)

Installation using pip

For easy installation, use pip:

$ pip install numpy
$ pip install trustregion

Note that NumPy should be installed before trustregion, as it is used to compile the Fortran modules.

If you do not have root privileges or you want to install trustregion for your private use, you can use:

$ pip install --user numpy
$ pip install --user trustregion

which will install trustregion in your home directory. Alternatively, you can use pip inside a virtual environment using Python’s virtual environments or the conda environment manager.

Note that if an older install of trustregion is present on your system you can use:

$ pip install --upgrade trustregion

to upgrade trustregion to the latest version.

Manual installation

Alternatively, you can download the source code from Github and unpack as follows:

$ git clone https://github.com/lindonroberts/trust-region
$ cd trust-region

To upgrade trustregion to the latest version, navigate to the top-level directory (i.e. the one containing setup.py) and rerun the installation using pip, as above:

$ git pull
$ pip install .

Testing

If you installed trustregion manually, you can test your installation by running:

$ pip install pytest
$ cd trustregion/tests
$ python -m pytest

Alternatively, the documentation provides some simple examples of how to run trustregion.

Uninstallation

If trustregion was installed using pip you can uninstall as follows:

$ pip uninstall trustregion

If trustregion was installed manually you have to remove the installed files by hand (located in your python site-packages directory).

Bugs

Please report any bugs using GitHub’s issue tracker.

License

This algorithm is released under the GNU GPL license.

Release files for trustregion 1.2.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for trustregion 1.2.2
File	Size	Uploaded
trustregion-1.2.2.tar.gz	37.6 kB	Oct 9, 2025	Details

Built distributions (wheels)

Table of built distributions (wheels) for trustregion 1.2.2
File	Interpreter	ABI	Platform	Reset
trustregion-1.2.2-cp314-cp314t-musllinux_1_2_x86_64.whl 55.3 kB Oct 9, 2025	CPython 3.14	CPython 3.14 free-threading	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.14	CPython 3.14 free-threading	Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64	Details
trustregion-1.2.2-cp314-cp314t-macosx_15_0_arm64.whl 821.1 kB Oct 9, 2025	CPython 3.14	CPython 3.14 free-threading	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp314-cp314-musllinux_1_2_x86_64.whl 54.5 kB Oct 9, 2025	CPython 3.14	CPython 3.14	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp314-cp314-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.14	CPython 3.14	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
trustregion-1.2.2-cp314-cp314-macosx_15_0_arm64.whl 820.5 kB Oct 9, 2025	CPython 3.14	CPython 3.14	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp313-cp313-musllinux_1_2_x86_64.whl 54.5 kB Oct 9, 2025	CPython 3.13	CPython 3.13	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.13	CPython 3.13	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
trustregion-1.2.2-cp313-cp313-macosx_15_0_arm64.whl 820.5 kB Oct 9, 2025	CPython 3.13	CPython 3.13	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp312-cp312-musllinux_1_2_x86_64.whl 54.5 kB Oct 9, 2025	CPython 3.12	CPython 3.12	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.12	CPython 3.12	Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64	Details
trustregion-1.2.2-cp312-cp312-macosx_15_0_arm64.whl 820.5 kB Oct 9, 2025	CPython 3.12	CPython 3.12	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp311-cp311-musllinux_1_2_x86_64.whl 54.3 kB Oct 9, 2025	CPython 3.11	CPython 3.11	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.11	CPython 3.11	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
trustregion-1.2.2-cp311-cp311-macosx_15_0_arm64.whl 820.4 kB Oct 9, 2025	CPython 3.11	CPython 3.11	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp310-cp310-musllinux_1_2_x86_64.whl 53.7 kB Oct 9, 2025	CPython 3.10	CPython 3.10	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.10	CPython 3.10	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
trustregion-1.2.2-cp310-cp310-macosx_15_0_arm64.whl 820.2 kB Oct 9, 2025	CPython 3.10	CPython 3.10	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp39-cp39-musllinux_1_2_x86_64.whl 53.8 kB Oct 9, 2025	CPython 3.9	CPython 3.9	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.9	CPython 3.9	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
trustregion-1.2.2-cp39-cp39-macosx_15_0_arm64.whl 820.2 kB Oct 9, 2025	CPython 3.9	CPython 3.9	macOS 15.0+ ARM64	Details
trustregion-1.2.2-cp38-cp38-musllinux_1_2_x86_64.whl 53.2 kB Oct 9, 2025	CPython 3.8	CPython 3.8	Linux musl 1.2+ x86-64	Details
trustregion-1.2.2-cp38-cp38-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl 1.1 MB Oct 9, 2025	CPython 3.8	CPython 3.8	Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64	Details
trustregion-1.2.2-cp38-cp38-macosx_15_0_arm64.whl 819.7 kB Oct 9, 2025	CPython 3.8	CPython 3.8	macOS 15.0+ ARM64	Details

Total release size: 15.6 MB

Release files / trustregion-1.2.2.tar.gz

Download URL	trustregion-1.2.2.tar.gz
Size	37.6 kB
Tags	Source
SHA-256 checksum How to use checksums	`4348c45ae9f5cd671a1476a061ed99e355373270f88cf388bd7f3b489f6c0023`
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Release files / trustregion-1.2.2-cp314-cp314t-musllinux_1_2_x86_64.whl

Download URL	trustregion-1.2.2-cp314-cp314t-musllinux_1_2_x86_64.whl
Size	55.3 kB
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Release files / trustregion-1.2.2-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

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Tags	CPython 3.14 CPython 3.14 free-threading Linux glibc 2.27+ x86-64 Linux glibc 2.28+ x86-64
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Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

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Download URL	trustregion-1.2.2-cp314-cp314t-macosx_15_0_arm64.whl
Size	821.1 kB
Tags	CPython 3.14 CPython 3.14 free-threading macOS 15.0+ ARM64
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Release files / trustregion-1.2.2-cp314-cp314-musllinux_1_2_x86_64.whl

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Size	820.5 kB
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Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

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Size	54.5 kB
Tags	CPython 3.13 Linux musl 1.2+ x86-64
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Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

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Release files / trustregion-1.2.2-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

Download URL	trustregion-1.2.2-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
Size	1.1 MB
Tags	CPython 3.13 Linux glibc 2.27+ x86-64 Linux glibc 2.28+ x86-64
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Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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SHA-256 checksum: 0785e3b7245b92e81365f358b935136ff1a185f6c451eb61629de7ffade6b014 Verifying attestations

Release files / trustregion-1.2.2-cp313-cp313-macosx_15_0_arm64.whl

Download URL	trustregion-1.2.2-cp313-cp313-macosx_15_0_arm64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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SHA-256 checksum: 79b1043355e0dd97e5738b05f7ef8b0af4e3ee8da873aae11409bbcbe6e0c18c Verifying attestations

Release files / trustregion-1.2.2-cp312-cp312-musllinux_1_2_x86_64.whl

Download URL	trustregion-1.2.2-cp312-cp312-musllinux_1_2_x86_64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
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Artifact

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Release files / trustregion-1.2.2-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

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Artifact

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Release files / trustregion-1.2.2-cp312-cp312-macosx_15_0_arm64.whl

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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

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Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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Release files / trustregion-1.2.2-cp311-cp311-musllinux_1_2_x86_64.whl

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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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Release files / trustregion-1.2.2-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

Download URL	trustregion-1.2.2-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

Subject: trustregion-1.2.2-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
SHA-256 checksum: 5dba4759018caab1a00ee2ecc212621e647e1eb20c5de672734da5d83ac65ecb Verifying attestations

Release files / trustregion-1.2.2-cp311-cp311-macosx_15_0_arm64.whl

Download URL	trustregion-1.2.2-cp311-cp311-macosx_15_0_arm64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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SHA-256 checksum: adc60860b232f83b59ff86cd3ac18808c1e2db57827ded7644ff075ba0bcdf13 Verifying attestations

Release files / trustregion-1.2.2-cp310-cp310-musllinux_1_2_x86_64.whl

Download URL	trustregion-1.2.2-cp310-cp310-musllinux_1_2_x86_64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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Release files / trustregion-1.2.2-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

Download URL	trustregion-1.2.2-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

Subject: trustregion-1.2.2-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
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Release files / trustregion-1.2.2-cp310-cp310-macosx_15_0_arm64.whl

Download URL	trustregion-1.2.2-cp310-cp310-macosx_15_0_arm64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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Release files / trustregion-1.2.2-cp39-cp39-musllinux_1_2_x86_64.whl

Download URL	trustregion-1.2.2-cp39-cp39-musllinux_1_2_x86_64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

Subject: trustregion-1.2.2-cp39-cp39-musllinux_1_2_x86_64.whl
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Release files / trustregion-1.2.2-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

Download URL	trustregion-1.2.2-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
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Tags	CPython 3.9 Linux glibc 2.27+ x86-64 Linux glibc 2.28+ x86-64
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

Subject: trustregion-1.2.2-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
SHA-256 checksum: 02273684a7a025c9db8c3f3e1d0e243a7fb781a46b8ba55132a368c8993da0a1 Verifying attestations

Release files / trustregion-1.2.2-cp39-cp39-macosx_15_0_arm64.whl

Download URL	trustregion-1.2.2-cp39-cp39-macosx_15_0_arm64.whl
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

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SHA-256 checksum: f72daa6570beb16f8a70f40ba20a509b0dbd9057d523adb20415581d68430de6 Verifying attestations

Release files / trustregion-1.2.2-cp38-cp38-musllinux_1_2_x86_64.whl

Download URL	trustregion-1.2.2-cp38-cp38-musllinux_1_2_x86_64.whl
Size	53.2 kB
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Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

Provenance

Identity

Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

Workflow

Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

Subject: trustregion-1.2.2-cp38-cp38-musllinux_1_2_x86_64.whl
SHA-256 checksum: fe1d527e9d96504cebd81b0c93e19095fbc25132223930abc71df25c1a25467c Verifying attestations

Release files / trustregion-1.2.2-cp38-cp38-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl

Download URL	trustregion-1.2.2-cp38-cp38-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
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Tags	CPython 3.8 Linux glibc 2.27+ x86-64 Linux glibc 2.28+ x86-64
SHA-256 checksum How to use checksums	`47077ce44df5ef1bafdcca4738e30a69c461347cdf4e9ef76d0107a2379ad0dd`
BLAKE2b-256 checksum How to use checksums	`d870b0811567c25f58a2dfc81f1279fbd55052267a7711f781bcd356774ff368`
Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

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Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

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Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

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Subject: trustregion-1.2.2-cp38-cp38-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
SHA-256 checksum: 47077ce44df5ef1bafdcca4738e30a69c461347cdf4e9ef76d0107a2379ad0dd Verifying attestations

Release files / trustregion-1.2.2-cp38-cp38-macosx_15_0_arm64.whl

Download URL	trustregion-1.2.2-cp38-cp38-macosx_15_0_arm64.whl
Size	819.7 kB
Tags	CPython 3.8 macOS 15.0+ ARM64
SHA-256 checksum How to use checksums	`473a41730fad45e69f530ac645549ea0ab43901cf6f167955a1953edc40d6ce6`
BLAKE2b-256 checksum How to use checksums	`f4502920cbace191a94dec16330250c19f5178ed8d2419790d30388742185ab4`
Upload date	Oct 9, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`twine/6.1.0 CPython/3.13.7`

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Publishing platform: GitHub Actions
Publishing repository: github.com/lindonroberts/trust-region
Publishing commit: github.com/lindonroberts/trust-region/tree/609811b9f9350f1feff011a6b5ab5539a5e2d278

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Publishing configuration: github.com/lindonroberts/trust-region/blob/609811b9f9350f1feff011a6b5ab5539a5e2d278/.github/workflows/upload_pypi.yml
Publishing logs: github.com/lindonroberts/trust-region/actions/runs/18375057858/attempts/1

Artifact

Subject: trustregion-1.2.2-cp38-cp38-macosx_15_0_arm64.whl
SHA-256 checksum: 473a41730fad45e69f530ac645549ea0ab43901cf6f167955a1953edc40d6ce6 Verifying attestations

Release history Release notifications | RSS feed

This release

1.2.2 This release

Oct 9, 2025 25 release files

1.2.1

May 31, 2024 28 release files

1.2

Jul 8, 2021 1 release file

1.1

Dec 5, 2019 1 release file

1.0

Dec 4, 2019 1 release file

trustregion 1.2.2

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Release files for trustregion 1.2.2

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Release files / trustregion-1.2.2.tar.gz

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Release files / trustregion-1.2.2-cp314-cp314t-musllinux_1_2_x86_64.whl

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Release files / trustregion-1.2.2-cp314-cp314t-macosx_15_0_arm64.whl

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