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Add extra args for includeconshdlr for new SCIP version (#785)
* Add extra args for includeconshdlr for new SCIP version * Relaxate error bounds on failing tests * Update integration-test.yml for SCIP 9.0 * Update integration-test.yml for SCIP 9.0 * Update the rest of the ci pipeline to 9.0.0 * Add noexcept to empty symmetry graph callbacks * Add changelog entry for symmetry graph callbacks --------- Co-authored-by: Julian Manns <manns@zib.de> Co-authored-by: Julian Manns <77634524+ju-manns@users.noreply.github.com> Co-authored-by: Mohammed Ghannam <mohammad.m.ghannam@gmail.com>
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‎.github/workflows/coverage.yml‎

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@@ -1,6 +1,6 @@
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name: Run tests with coverage
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env:
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version: 8.0.3
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version: 9.0.0
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on:
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push:
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- name: Install dependencies (SCIPOptSuite)
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run: |
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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- name: Setup python ${{ matrix.python-version }}
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uses: actions/setup-python@v4

‎.github/workflows/integration-test.yml‎

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name: Integration test
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env:
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version: 8.0.3
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version: 9.0.0
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# runs on branches and pull requests; doesn't run on tags.
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on:
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- name: Install dependencies (SCIPOptSuite)
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run: |
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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- name: Setup python ${{ matrix.python-version }}
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uses: actions/setup-python@v4

‎.github/workflows/test-release.yml‎

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name: TestPyPI release
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env:
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version: 8.0.3
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version: 9.0.0
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# runs only when a release is published, not on drafts
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- name: Install dependencies (SCIPOptSuite)
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run: |
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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- name: Setup python 3
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uses: actions/setup-python@v4

‎.github/workflows/update-packages-and-documentation.yml‎

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@@ -1,7 +1,7 @@
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name: Test and Release PyPI Package
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env:
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version: 8.0.3
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version: 9.0.0
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# runs only when a release is published, not on drafts
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- name: Install dependencies (SCIPOptSuite)
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run: |
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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- name: Setup python ${{ matrix.python-version }}
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uses: actions/setup-python@v4
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- name: Install dependencies (SCIPOptSuite)
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run: |
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wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu.deb
109+
wget --quiet --no-check-certificate https://github.com/scipopt/scip/releases/download/$(echo "v${{env.version}}" | tr -d '.')/SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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sudo apt-get update && sudo apt install -y ./SCIPOptSuite-${{ env.version }}-Linux-ubuntu20.deb
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- name: Setup python 3
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uses: actions/setup-python@v4

‎CHANGELOG.md‎

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- Added SCIP function addExprNonlinear
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- Add support for Cython 3
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- Added methods for getting the names of the current stage and of an event
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- Add support for SCIP symmetry graph callbacks in constraint handlers
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### Fixed
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- Fixed README links
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- Fixed outdated time.clock call in gcp.py

‎src/pyscipopt/conshdlr.pxi‎

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@@ -136,6 +136,14 @@ cdef class Conshdlr:
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'''calls diving solution enforcement callback of constraint handler, if it exists '''
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pass
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def consgetpermsymgraph(self):
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'''permutation symmetry detection graph getter callback, if it exists '''
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pass
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def consgetsignedpermsymgraph(self):
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'''signed permutation symmetry detection graph getter callback, if it exists '''
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pass
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# local helper functions for the interface
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cdef Conshdlr getPyConshdlr(SCIP_CONSHDLR* conshdlr):
@@ -452,3 +460,19 @@ cdef SCIP_RETCODE PyConsGetdivebdchgs (SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP
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success[0] = False
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infeasible[0] = False
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return SCIP_OKAY
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cdef SCIP_RETCODE PyConsGetPermSymGraph (SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP_CONS* cons, SYM_GRAPH* graph,
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SCIP_Bool* success) noexcept with gil:
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# TODO
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PyConshdlr = getPyConshdlr(conshdlr)
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PyConshdlr.consgetpermsymgraph()
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success[0] = False
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return SCIP_OKAY
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cdef SCIP_RETCODE PyConsGetSignedPermSymGraph (SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP_CONS* cons, SYM_GRAPH* graph,
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SCIP_Bool* success) noexcept with gil:
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# TODO
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PyConshdlr = getPyConshdlr(conshdlr)
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PyConshdlr.consgetsignedpermsymgraph()
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success[0] = False
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return SCIP_OKAY

‎src/pyscipopt/scip.pxd‎

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@@ -348,6 +348,9 @@ cdef extern from "scip/scip.h":
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ctypedef struct FILE:
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pass
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ctypedef struct SYM_GRAPH:
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pass
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ctypedef struct SCIP_READER:
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pass
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@@ -986,6 +989,8 @@ cdef extern from "scip/scip.h":
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SCIP_RETCODE (*consgetvars) (SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP_CONS* cons, SCIP_VAR** vars, int varssize, SCIP_Bool* success),
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SCIP_RETCODE (*consgetnvars) (SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP_CONS* cons, int* nvars, SCIP_Bool* success),
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SCIP_RETCODE (*consgetdivebdchgs) (SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP_DIVESET* diveset, SCIP_SOL* sol, SCIP_Bool* success, SCIP_Bool* infeasible),
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SCIP_RETCODE (*consgetpermsymgraph)(SCIP* scip, SCIP_CONSHDLR* conshdlr, SCIP_CONS* cons, SYM_GRAPH* graph, SCIP_Bool* success),
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SCIP_RETCODE (*consgetsignedpermsymgraph)(SCIP * scip, SCIP_CONSHDLR * conshdlr, SCIP_CONS * cons, SYM_GRAPH * graph, SCIP_Bool * success),
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SCIP_CONSHDLRDATA* conshdlrdata)
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SCIP_CONSHDLRDATA* SCIPconshdlrGetData(SCIP_CONSHDLR* conshdlr)
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SCIP_CONSHDLR* SCIPfindConshdlr(SCIP* scip, const char* name)

‎src/pyscipopt/scip.pxi‎

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@@ -3780,7 +3780,7 @@ cdef class Model:
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PyConsInitsol, PyConsExitsol, PyConsDelete, PyConsTrans, PyConsInitlp, PyConsSepalp, PyConsSepasol,
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PyConsEnfolp, PyConsEnforelax, PyConsEnfops, PyConsCheck, PyConsProp, PyConsPresol, PyConsResprop, PyConsLock,
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PyConsActive, PyConsDeactive, PyConsEnable, PyConsDisable, PyConsDelvars, PyConsPrint, PyConsCopy,
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PyConsParse, PyConsGetvars, PyConsGetnvars, PyConsGetdivebdchgs,
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PyConsParse, PyConsGetvars, PyConsGetnvars, PyConsGetdivebdchgs, PyConsGetPermSymGraph, PyConsGetSignedPermSymGraph,
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<SCIP_CONSHDLRDATA*>conshdlr))
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conshdlr.model = <Model>weakref.proxy(self)
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conshdlr.name = name

‎tests/test_nonlinear.py‎

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m.optimize()
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assert abs(m.getPrimalbound() - 1.6924910128) < 1.0e-6
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assert abs(m.getPrimalbound() - 1.6924910128) < 1.0e-3
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# test circle: find circle of smallest radius that encloses the given points
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def test_circle():
@@ -136,9 +136,9 @@ def test_circle():
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m.optimize()
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bestsol = m.getBestSol()
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assert abs(m.getSolVal(bestsol, r) - 5.2543) < 1.0e-3
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assert abs(m.getSolVal(bestsol, a) - 6.1230) < 1.0e-3
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assert abs(m.getSolVal(bestsol, b) - 5.4713) < 1.0e-3
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assert abs(m.getSolVal(bestsol, r) - 5.2543) < 1.0e-2
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assert abs(m.getSolVal(bestsol, a) - 6.1230) < 1.0e-2
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assert abs(m.getSolVal(bestsol, b) - 5.4713) < 1.0e-2
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# test gastrans: see example in <scip path>/examples/CallableLibrary/src/gastrans.c
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# of course there is a more pythonic/elegant way of implementing this, probably

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