mip


Namemip JSON
Version 1.15.0 PyPI version JSON
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SummaryPython tools for Modeling and Solving Mixed-Integer Linear Programs (MIPs)
upload_time2023-01-04 13:51:46
maintainer
docs_urlNone
author
requires_python<3.12,>=3.7
licenseEclipse Public License - v 2.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT. 1. DEFINITIONS "Contribution" means: a) in the case of the initial Contributor, the initial content Distributed under this Agreement, and b) in the case of each subsequent Contributor: i) changes to the Program, and ii) additions to the Program; where such changes and/or additions to the Program originate from and are Distributed by that particular Contributor. A Contribution "originates" from a Contributor if it was added to the Program by such Contributor itself or anyone acting on such Contributor's behalf. Contributions do not include changes or additions to the Program that are not Modified Works. "Contributor" means any person or entity that Distributes the Program. 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COMMERCIAL DISTRIBUTION Commercial distributors of software may accept certain responsibilities with respect to end users, business partners and the like. While this license is intended to facilitate the commercial use of the Program, the Contributor who includes the Program in a commercial product offering should do so in a manner which does not create potential liability for other Contributors. Therefore, if a Contributor includes the Program in a commercial product offering, such Contributor ("Commercial Contributor") hereby agrees to defend and indemnify every other Contributor ("Indemnified Contributor") against any losses, damages and costs (collectively "Losses") arising from claims, lawsuits and other legal actions brought by a third party against the Indemnified Contributor to the extent caused by the acts or omissions of such Commercial Contributor in connection with its distribution of the Program in a commercial product offering. 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Everyone is permitted to copy and distribute copies of this Agreement, but in order to avoid inconsistency the Agreement is copyrighted and may only be modified in the following manner. The Agreement Steward reserves the right to publish new versions (including revisions) of this Agreement from time to time. No one other than the Agreement Steward has the right to modify this Agreement. The Eclipse Foundation is the initial Agreement Steward. The Eclipse Foundation may assign the responsibility to serve as the Agreement Steward to a suitable separate entity. Each new version of the Agreement will be given a distinguishing version number. The Program (including Contributions) may always be Distributed subject to the version of the Agreement under which it was received. In addition, after a new version of the Agreement is published, Contributor may elect to Distribute the Program (including its Contributions) under the new version. 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keywords optimization linear programming integer programming operations research
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            # Python MIP (Mixed-Integer Linear Programming) Tools

Package website: **http://python-mip.com**

Python MIP is a collection of Python tools for the modeling and solution
of Mixed-Integer Linear programs (MIPs). MIP syntax was inspired by
[Pulp](https://github.com/coin-or/pulp). Just like
[CyLP](https://github.com/coin-or/CyLP) it also provides access to
advanced solver features like cut generation, lazy constraints, MIPstarts
and solution Pools. Porting Pulp and Gurobi models should be quite easy.

Some of the main features of MIP are:

* high level modeling: write your MIP models in Python as easily as in
  high level languages such as
  [MathProg](https://en.wikibooks.org/wiki/GLPK/GMPL_(MathProg)): 
  operator overloading makes it easy to write linear expressions in Python;

* full featured:
    - cut generators and lazy constraints: work with strong formulations with a
    large number of constraints by generating only the required inequalities
    during the branch and cut search;
    - solution pool: query the elite set of solutions found during the search;
    - MIPStart: use a problem dependent heuristic to generate initial feasible
    solutions for the MIP search.

* fast: the Python MIP package calls directly the native dynamic loadable
  library of the installed solver using the modern python
  [CFFI](https://cffi.readthedocs.io) module; models
  are efficiently stored and optimized by the solver and MIP transparently
  handles all communication with your Python code; it is also compatible
  with the [Pypy](https://pypy.org/) just in time compiler, meaning that
  you can have a much better performance, up to 25 times faster for the 
  creation of large MIPs, than the official Gurobi python interface 
  which only runs on CPython;

* multi solver: Python MIP was written to be deeply integrated with the
  C libraries of the open-source COIN-OR Branch-&-Cut
  [CBC](https://projects.coin-or.org/Cbc) solver and the commercial solver
  [Gurobi](http://www.gurobi.com/); all details of communicating with 
  different solvers are handled by Python-MIP and you write only one
  solver independent code;

* written in modern [typed](https://docs.python.org/3/library/typing.html) Python 3 (requires Python 3.6 or newer).

## Examples

Many Python-MIP examples are documented at https://docs.python-mip.com/en/latest/examples.html 

The code of these examples and additional ones (published in tutorials) can be downloaded at https://github.com/coin-or/python-mip/tree/master/examples

## Documentation
 
The full Python-MIP documentation is available at
https://docs.python-mip.com/en/latest/

A PDF version is also available:
https://python-mip.readthedocs.io/_/downloads/en/latest/pdf/

## Mailing list

Questions, suggestions and feature request can be posted at [Discussions](https://github.com/coin-or/python-mip/discussions).
 
## Build status

[![Github Actions Status](https://github.com/coin-or/python-mip/workflows/CI/badge.svg?branch=master)](https://github.com/coin-or/python-mip/actions)
[![Current version](https://badge.fury.io/gh/coin-or%2Fpython-mip.svg)](https://github.com/coin-or/python-mip/releases)
[![Current total of lines](https://tokei.rs/b1/github/coin-or/python-mip?category=lines)](https://github.com/coin-or/python-mip)
[![License](https://img.shields.io/badge/license-EPL-blue.svg)](https://github.com/coin-or/python-mip/blob/master/LICENSE)


            

Raw data

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    "requires_python": "<3.12,>=3.7",
    "maintainer_email": "\"S. Heger\" <heger@m2p.net>",
    "keywords": "Optimization,Linear Programming,Integer Programming,Operations Research",
    "author": "",
    "author_email": "\"T.A.M. Toffolo\" <haroldo.santos@gmail.com>, \"H.G. Santos\" <tulio@toffolo.com.br>",
    "download_url": "https://files.pythonhosted.org/packages/30/84/41ebb2db20fbc199768c317ee8238d50b55fd6ffaa4c17e2cb94f0d03152/mip-1.15.0.tar.gz",
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    "description": "# Python MIP (Mixed-Integer Linear Programming) Tools\r\n\r\nPackage website: **http://python-mip.com**\r\n\r\nPython MIP is a collection of Python tools for the modeling and solution\r\nof Mixed-Integer Linear programs (MIPs). MIP syntax was inspired by\r\n[Pulp](https://github.com/coin-or/pulp). Just like\r\n[CyLP](https://github.com/coin-or/CyLP) it also provides access to\r\nadvanced solver features like cut generation, lazy constraints, MIPstarts\r\nand solution Pools. Porting Pulp and Gurobi models should be quite easy.\r\n\r\nSome of the main features of MIP are:\r\n\r\n* high level modeling: write your MIP models in Python as easily as in\r\n  high level languages such as\r\n  [MathProg](https://en.wikibooks.org/wiki/GLPK/GMPL_(MathProg)): \r\n  operator overloading makes it easy to write linear expressions in Python;\r\n\r\n* full featured:\r\n    - cut generators and lazy constraints: work with strong formulations with a\r\n    large number of constraints by generating only the required inequalities\r\n    during the branch and cut search;\r\n    - solution pool: query the elite set of solutions found during the search;\r\n    - MIPStart: use a problem dependent heuristic to generate initial feasible\r\n    solutions for the MIP search.\r\n\r\n* fast: the Python MIP package calls directly the native dynamic loadable\r\n  library of the installed solver using the modern python\r\n  [CFFI](https://cffi.readthedocs.io) module; models\r\n  are efficiently stored and optimized by the solver and MIP transparently\r\n  handles all communication with your Python code; it is also compatible\r\n  with the [Pypy](https://pypy.org/) just in time compiler, meaning that\r\n  you can have a much better performance, up to 25 times faster for the \r\n  creation of large MIPs, than the official Gurobi python interface \r\n  which only runs on CPython;\r\n\r\n* multi solver: Python MIP was written to be deeply integrated with the\r\n  C libraries of the open-source COIN-OR Branch-&-Cut\r\n  [CBC](https://projects.coin-or.org/Cbc) solver and the commercial solver\r\n  [Gurobi](http://www.gurobi.com/); all details of communicating with \r\n  different solvers are handled by Python-MIP and you write only one\r\n  solver independent code;\r\n\r\n* written in modern [typed](https://docs.python.org/3/library/typing.html) Python 3 (requires Python 3.6 or newer).\r\n\r\n## Examples\r\n\r\nMany Python-MIP examples are documented at https://docs.python-mip.com/en/latest/examples.html \r\n\r\nThe code of these examples and additional ones (published in tutorials) can be downloaded at https://github.com/coin-or/python-mip/tree/master/examples\r\n\r\n## Documentation\r\n \r\nThe full Python-MIP documentation is available at\r\nhttps://docs.python-mip.com/en/latest/\r\n\r\nA PDF version is also available:\r\nhttps://python-mip.readthedocs.io/_/downloads/en/latest/pdf/\r\n\r\n## Mailing list\r\n\r\nQuestions, suggestions and feature request can be posted at [Discussions](https://github.com/coin-or/python-mip/discussions).\r\n \r\n## Build status\r\n\r\n[![Github Actions Status](https://github.com/coin-or/python-mip/workflows/CI/badge.svg?branch=master)](https://github.com/coin-or/python-mip/actions)\r\n[![Current version](https://badge.fury.io/gh/coin-or%2Fpython-mip.svg)](https://github.com/coin-or/python-mip/releases)\r\n[![Current total of lines](https://tokei.rs/b1/github/coin-or/python-mip?category=lines)](https://github.com/coin-or/python-mip)\r\n[![License](https://img.shields.io/badge/license-EPL-blue.svg)](https://github.com/coin-or/python-mip/blob/master/LICENSE)\r\n\r\n",
    "bugtrack_url": null,
    "license": "Eclipse Public License - v 2.0  THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE (\"AGREEMENT\"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.  1. DEFINITIONS  \"Contribution\" means:  a) in the case of the initial Contributor, the initial content Distributed under this Agreement, and  b) in the case of each subsequent Contributor: i) changes to the Program, and ii) additions to the Program; where such changes and/or additions to the Program originate from and are Distributed by that particular Contributor. A Contribution \"originates\" from a Contributor if it was added to the Program by such Contributor itself or anyone acting on such Contributor's behalf. Contributions do not include changes or additions to the Program that are not Modified Works.  \"Contributor\" means any person or entity that Distributes the Program.  \"Licensed Patents\" mean patent claims licensable by a Contributor which are necessarily infringed by the use or sale of its Contribution alone or when combined with the Program.  \"Program\" means the Contributions Distributed in accordance with this Agreement.  \"Recipient\" means anyone who receives the Program under this Agreement or any Secondary License (as applicable), including Contributors.  \"Derivative Works\" shall mean any work, whether in Source Code or other form, that is based on (or derived from) the Program and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship.  \"Modified Works\" shall mean any work in Source Code or other form that results from an addition to, deletion from, or modification of the contents of the Program, including, for purposes of clarity any new file in Source Code form that contains any contents of the Program. Modified Works shall not include works that contain only declarations, interfaces, types, classes, structures, or files of the Program solely in each case in order to link to, bind by name, or subclass the Program or Modified Works thereof.  \"Distribute\" means the acts of a) distributing or b) making available in any manner that enables the transfer of a copy.  \"Source Code\" means the form of a Program preferred for making modifications, including but not limited to software source code, documentation source, and configuration files.  \"Secondary License\" means either the GNU General Public License, Version 2.0, or any later versions of that license, including any exceptions or additional permissions as identified by the initial Contributor.  2. GRANT OF RIGHTS  a) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, Distribute and sublicense the Contribution of such Contributor, if any, and such Derivative Works.  b) Subject to the terms of this Agreement, each Contributor hereby grants Recipient a non-exclusive, worldwide, royalty-free patent license under Licensed Patents to make, use, sell, offer to sell, import and otherwise transfer the Contribution of such Contributor, if any, in Source Code or other form. This patent license shall apply to the combination of the Contribution and the Program if, at the time the Contribution is added by the Contributor, such addition of the Contribution causes such combination to be covered by the Licensed Patents. The patent license shall not apply to any other combinations which include the Contribution. No hardware per se is licensed hereunder.  c) Recipient understands that although each Contributor grants the licenses to its Contributions set forth herein, no assurances are provided by any Contributor that the Program does not infringe the patent or other intellectual property rights of any other entity. Each Contributor disclaims any liability to Recipient for claims brought by any other entity based on infringement of intellectual property rights or otherwise. As a condition to exercising the rights and licenses granted hereunder, each Recipient hereby assumes sole responsibility to secure any other intellectual property rights needed, if any. For example, if a third party patent license is required to allow Recipient to Distribute the Program, it is Recipient's responsibility to acquire that license before distributing the Program.  d) Each Contributor represents that to its knowledge it has sufficient copyright rights in its Contribution, if any, to grant the copyright license set forth in this Agreement.  e) Notwithstanding the terms of any Secondary License, no Contributor makes additional grants to any Recipient (other than those set forth in this Agreement) as a result of such Recipient's receipt of the Program under the terms of a Secondary License (if permitted under the terms of Section 3).  3. REQUIREMENTS  3.1 If a Contributor Distributes the Program in any form, then:  a) the Program must also be made available as Source Code, in accordance with section 3.2, and the Contributor must accompany the Program with a statement that the Source Code for the Program is available under this Agreement, and informs Recipients how to obtain it in a reasonable manner on or through a medium customarily used for software exchange; and  b) the Contributor may Distribute the Program under a license different than this Agreement, provided that such license: i) effectively disclaims on behalf of all other Contributors all warranties and conditions, express and implied, including warranties or conditions of title and non-infringement, and implied warranties or conditions of merchantability and fitness for a particular purpose;  ii) effectively excludes on behalf of all other Contributors all liability for damages, including direct, indirect, special, incidental and consequential damages, such as lost profits;  iii) does not attempt to limit or alter the recipients' rights in the Source Code under section 3.2; and  iv) requires any subsequent distribution of the Program by any party to be under a license that satisfies the requirements of this section 3.  3.2 When the Program is Distributed as Source Code:  a) it must be made available under this Agreement, or if the Program (i) is combined with other material in a separate file or files made available under a Secondary License, and (ii) the initial Contributor attached to the Source Code the notice described in Exhibit A of this Agreement, then the Program may be made available under the terms of such Secondary Licenses, and  b) a copy of this Agreement must be included with each copy of the Program.  3.3 Contributors may not remove or alter any copyright, patent, trademark, attribution notices, disclaimers of warranty, or limitations of liability (\"notices\") contained within the Program from any copy of the Program which they Distribute, provided that Contributors may add their own appropriate notices.  4. COMMERCIAL DISTRIBUTION  Commercial distributors of software may accept certain responsibilities with respect to end users, business partners and the like. While this license is intended to facilitate the commercial use of the Program, the Contributor who includes the Program in a commercial product offering should do so in a manner which does not create potential liability for other Contributors. Therefore, if a Contributor includes the Program in a commercial product offering, such Contributor (\"Commercial Contributor\") hereby agrees to defend and indemnify every other Contributor (\"Indemnified Contributor\") against any losses, damages and costs (collectively \"Losses\") arising from claims, lawsuits and other legal actions brought by a third party against the Indemnified Contributor to the extent caused by the acts or omissions of such Commercial Contributor in connection with its distribution of the Program in a commercial product offering. The obligations in this section do not apply to any claims or Losses relating to any actual or alleged intellectual property infringement. In order to qualify, an Indemnified Contributor must: a) promptly notify the Commercial Contributor in writing of such claim, and b) allow the Commercial Contributor to control, and cooperate with the Commercial Contributor in, the defense and any related settlement negotiations. The Indemnified Contributor may participate in any such claim at its own expense.  For example, a Contributor might include the Program in a commercial product offering, Product X. That Contributor is then a Commercial Contributor. If that Commercial Contributor then makes performance claims, or offers warranties related to Product X, those performance claims and warranties are such Commercial Contributor's responsibility alone. Under this section, the Commercial Contributor would have to defend claims against the other Contributors related to those performance claims and warranties, and if a court requires any other Contributor to pay any damages as a result, the Commercial Contributor must pay those damages.  5. NO WARRANTY  EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT PERMITTED BY APPLICABLE LAW, THE PROGRAM IS PROVIDED ON AN \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is solely responsible for determining the appropriateness of using and distributing the Program and assumes all risks associated with its exercise of rights under this Agreement, including but not limited to the risks and costs of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment, and unavailability or interruption of operations.  6. DISCLAIMER OF LIABILITY  EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, AND TO THE EXTENT PERMITTED BY APPLICABLE LAW, NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.  7. GENERAL  If any provision of this Agreement is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this Agreement, and without further action by the parties hereto, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.  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