easy_install installs an old version.

[kibaekkim]

I found easy_install installed 0.84, while the current version is 0.85. And, the 0.84 version is not working.

Coorection: The version 0.84 I referred was actually 0.8.4.

[tkralphs]

The latest release version is 0.8.4 (not 0.84). Incidentally, it looks like I never actually tagged 0.8.4 (at least in the version on Github). That should be what you get when you easy_install. There hasn't been a 0.85.0 release yet. I made some substantial changes in recent commits and need to make sure everything is in order before making a first release. It's pure Python, though, so it should work fine if you just clone the repo and do python setup.py install. If you were having trouble with 0.8, though, I doubt 0.85 will be much differents. Can you say what's not working with 0.8.4? When I released it, it seemed to be working.

There are some known issues with xdot and PyGtk on OS X and Linux, which I think will be difficult to resolve. I can give you some advice on that if you are running into those problems. I will try to update the README with some information about this now that you have reminded me of the problem.

[kibaekkim]

Thanks for the reply. You also answered the question I have (in mind) for xdot on OSX.

The version 0.8.4 I could install from easy_install or pip did not work for p0201_GLPK.vbc. So I cloned the master branch and was able to run and visualize on my OSX.

Then I wanted to make it pretty. Assuming that xdot would make the picture prettier, I have installed xdot via brew. Now I am getting this error, even after re-installing coinor.grumpy and xdot several times.

I hope this helps.

By the way, the version described in README of the master branch is 0.85.

Process:               Python [95577]
Path:                  /usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Identifier:            org.python.python
Version:               2.7.12 (2.7.12)
Code Type:             X86-64 (Native)
Parent Process:        bash [83111]
Responsible:           iTerm2 [268]
User ID:               501

Date/Time:             2016-12-02 11:26:36.009 -0600
OS Version:            Mac OS X 10.10.5 (14F2009)
Report Version:        11
Anonymous UUID:        6713AA5A-D296-6BCD-7FB6-57AB41A9A1B3

Sleep/Wake UUID:       2D1C73D3-8164-441B-B3CE-5F46083260A8

Time Awake Since Boot: 180000 seconds
Time Since Wake:       13000 seconds

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000008

VM Regions Near 0x8:
--> 
    __TEXT                 0000000103c79000-0000000103c7b000 [    8K] r-x/rwx SM=COW  /usr/local/Cellar/python/2.7.12_2/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   org.python.python             	0x000000010b6cdd35 PyImport_AddModule + 24
1   gurobipy.so                   	0x000000010b136967 __Pyx_FetchCommonType + 23
2   gurobipy.so                   	0x000000010b10c99b initgurobipy + 299

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0   libsystem_kernel.dylib        	0x00007fff939c5232 kevent64 + 10
1   libdispatch.dylib             	0x00007fff8d68926e _dispatch_mgr_thread + 52

Thread 2:
0   libsystem_kernel.dylib        	0x00007fff939c494a __workq_kernreturn + 10
1   libsystem_pthread.dylib       	0x00007fff86c093dd start_wqthread + 13

Thread 3:
0   libsystem_kernel.dylib        	0x00007fff939c494a __workq_kernreturn + 10
1   libsystem_pthread.dylib       	0x00007fff86c093dd start_wqthread + 13

Thread 4:
0   libsystem_kernel.dylib        	0x00007fff939c494a __workq_kernreturn + 10
1   libsystem_pthread.dylib       	0x00007fff86c093dd start_wqthread + 13

Thread 5:
0   libsystem_kernel.dylib        	0x00007fff939c494a __workq_kernreturn + 10
1   libsystem_pthread.dylib       	0x00007fff86c093dd start_wqthread + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x0000000000000000  rcx: 0x0000000000000001  rdx: 0x0000000000000003
  rdi: 0x000000010b22ff01  rsi: 0x0000000000000010  rbp: 0x00007fff5bf83c30  rsp: 0x00007fff5bf83c10
   r8: 0x000000010b78e030   r9: 0x000000010b790088  r10: 0x0000000000000000  r11: 0x00000000000880b9
  r12: 0x0000000000000002  r13: 0x00007fb951969e00  r14: 0x000000010b22ff01  r15: 0x00007fff748b9070
  rip: 0x000000010b6cdd35  rfl: 0x0000000000010206  cr2: 0x0000000000000008
  
Logical CPU:     2
Error Code:      0x00000004
Trap Number:     14


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    0x7fff8b980000 -     0x7fff8bc4fff3  com.apple.CoreImage (10.3.5) <0224F5A6-636A-374B-B46C-13E066596725> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/CoreImage.framework/Versions/A/CoreImage
    0x7fff8bc50000 -     0x7fff8bc57fff  com.apple.NetFS (6.0 - 4.0) <C263C8F8-F284-3101-AC82-A97A81716063> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
    0x7fff8bd84000 -     0x7fff8c09ffcf  com.apple.vImage (8.0 - 8.0) <1183FE6A-FDB6-3B3B-928D-50C7909F2308> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
    0x7fff8c1a1000 -     0x7fff8c1cefff  com.apple.CoreVideo (1.8 - 145.1) <18DB07E0-B927-3260-A234-636F298D1917> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
    0x7fff8c231000 -     0x7fff8c234fff  com.apple.IOSurface (97.4 - 97.4) <AE11CFBC-4D46-30F3-BEEC-4C8131079391> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
    0x7fff8c236000 -     0x7fff8c3e6ff3  com.apple.QuartzCore (1.10 - 361.19) <E59000AA-DC30-3F73-A103-0240576C9556> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
    0x7fff8c451000 -     0x7fff8c5b8ffb  com.apple.audio.toolbox.AudioToolbox (1.12 - 1.12) <5678FC94-456A-3F5F-BA9A-10EB6E462997> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7fff8c5f3000 -     0x7fff8c5f7fff  com.apple.CommonPanels (1.2.6 - 96) <F9ECC8AF-D9CA-3350-AFB4-5113A9B789A5> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
    0x7fff8d06e000 -     0x7fff8d373ff3  com.apple.HIToolbox (2.1.1 - 758.7) <B1188DED-5E71-3AB4-9E57-67F84C116ECE> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.framework/Versions/A/HIToolbox
    0x7fff8d374000 -     0x7fff8d38aff7  libsystem_asl.dylib (267) <F153AC5B-0542-356E-88C8-20A62CA704E2> /usr/lib/system/libsystem_asl.dylib
    0x7fff8d403000 -     0x7fff8d682ff7  com.apple.CoreData (111 - 526.3) <5A27E0D8-5E5A-335B-B3F6-2601C7B976FA> /System/Library/Frameworks/CoreData.framework/Versions/A/CoreData
    0x7fff8d683000 -     0x7fff8d6adff7  libdispatch.dylib (442.50.1) <A61E703C-784A-3698-B513-75DD12AAD6DC> /usr/lib/system/libdispatch.dylib
    0x7fff8d6c1000 -     0x7fff8d6c8ff7  libcompiler_rt.dylib (35) <BF8FC133-EE10-3DA6-9B90-92039E28678F> /usr/lib/system/libcompiler_rt.dylib
    0x7fff8d6d1000 -     0x7fff8d767ff7  com.apple.cloudkit.CloudKit (283.67.4 - 283.67.4) <EA6E4B2C-A3AA-3636-B9C3-F61D3EFFB82B> /System/Library/Frameworks/CloudKit.framework/Versions/A/CloudKit
    0x7fff8d768000 -     0x7fff8d78cff7  com.apple.Sharing (328.17 - 328.17) <AD5E243A-B79F-3D7B-800B-A2C99A1CFEF1> /System/Library/PrivateFrameworks/Sharing.framework/Versions/A/Sharing
    0x7fff8d78d000 -     0x7fff8d881ff7  libFontParser.dylib (134.10) <6CF434A2-91CA-3477-BDE2-124508EDA05D> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
    0x7fff8d91a000 -     0x7fff8d928ff7  com.apple.opengl (11.1.6 - 11.1.6) <DB9F2798-F31F-335E-90A9-992C3AA7ECA8> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
    0x7fff8d95b000 -     0x7fff8d968ff7  libbz2.1.0.dylib (36) <2DF83FBC-5C08-39E1-94F5-C28653791B5F> /usr/lib/libbz2.1.0.dylib
    0x7fff8da45000 -     0x7fff8da85ff7  libGLImage.dylib (11.1.6) <D6DDC014-2C74-34B3-970A-26F211FF76EF> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
    0x7fff8da86000 -     0x7fff8da88fff  libsystem_configuration.dylib (699.40.2) <56F94DCE-DBDE-3615-8F07-DE6270D9F8BE> /usr/lib/system/libsystem_configuration.dylib
    0x7fff8daa5000 -     0x7fff8db3aff7  com.apple.ColorSync (4.9.0 - 4.9.0) <9150C2B7-2E6E-3509-96EA-7B3F959F049E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ColorSync.framework/Versions/A/ColorSync
    0x7fff8db3b000 -     0x7fff8de6cfff  com.apple.Foundation (6.9 - 1154) <49EE64E1-9F53-35D1-A481-2EFE2789B254> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
    0x7fff8de73000 -     0x7fff8de77ff7  libGIF.dylib (1247) <5EA6D19A-9922-39F6-82DB-DE7A5B8860CF> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
    0x7fff8de97000 -     0x7fff8deb0ff7  com.apple.CFOpenDirectory (10.10 - 187) <F1805A0F-D5CC-35A8-9349-042D58D128B0> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
    0x7fff8deb4000 -     0x7fff8deb4ff7  libunc.dylib (29) <5676F7EA-C1DF-329F-B006-D2C3022B7D70> /usr/lib/system/libunc.dylib
    0x7fff8df15000 -     0x7fff8e007ff7  libiconv.2.dylib (42) <2A06D02F-8B76-3864-8D96-64EF5B40BC6C> /usr/lib/libiconv.2.dylib
    0x7fff8e03e000 -     0x7fff8e1ccfff  libBLAS.dylib (1128) <497912C1-A98E-3281-BED7-E9C751552F61> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
    0x7fff8e1cd000 -     0x7fff8e208fff  com.apple.QD (301 - 301) <C4D2AD03-B839-350A-AAF0-B4A08F8BED77> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
    0x7fff8e20c000 -     0x7fff8e226ff7  com.apple.Kerberos (3.0 - 1) <7760E0C2-A222-3709-B2A6-B692D900CEB1> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
    0x7fff8e227000 -     0x7fff8e296fff  com.apple.SearchKit (1.4.0 - 1.4.0) <80883BD1-C9BA-3794-A20E-476F94DD89A9> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
    0x7fff8e368000 -     0x7fff8e369ff7  com.apple.print.framework.Print (10.0 - 265) <3BC4FE7F-78A0-3E57-8F4C-520E7EFD36FA> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
    0x7fff8e9bc000 -     0x7fff8e9c0fff  libpam.2.dylib (20) <E805398D-9A92-31F8-8005-8DC188BD8B6E> /usr/lib/libpam.2.dylib
    0x7fff8e9c1000 -     0x7fff8ea10ff7  com.apple.opencl (2.4.2 - 2.4.2) <590504FA-E5D2-37C2-91A7-09F5F039F971> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
    0x7fff8ea11000 -     0x7fff8ea11ff7  libkeymgr.dylib (28) <77845842-DE70-3CC5-BD01-C3D14227CED5> /usr/lib/system/libkeymgr.dylib
    0x7fff8ebc7000 -     0x7fff8ebc7fff  com.apple.Accelerate (1.10 - Accelerate 1.10) <2C8AF258-4F11-3BEC-A826-22D7199B3975> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
    0x7fff8f466000 -     0x7fff8f4cdff7  com.apple.framework.CoreWiFi (3.0 - 300.4) <19269C1D-EB29-384A-83F3-7DDDEB7D9DAD> /System/Library/PrivateFrameworks/CoreWiFi.framework/Versions/A/CoreWiFi
    0x7fff8f4ce000 -     0x7fff8f508ffb  com.apple.DebugSymbols (115 - 115) <6F03761D-7C3A-3C80-8031-AA1C1AD7C706> /System/Library/PrivateFrameworks/DebugSymbols.framework/Versions/A/DebugSymbols
    0x7fff8f509000 -     0x7fff8f521ff7  libexpat.1.dylib (12) <C5FE8836-E277-3162-9D15-6735321CB2C6> /usr/lib/libexpat.1.dylib
    0x7fff8f522000 -     0x7fff8f56efff  com.apple.corelocation (1486.17 - 1615.24) <8825B3E2-E053-3E01-AE31-793443962D06> /System/Library/Frameworks/CoreLocation.framework/Versions/A/CoreLocation
    0x7fff8f57e000 -     0x7fff8f582fff  com.apple.TCC (1.0 - 1) <CCA42EE2-3400-3444-9486-BC454E60D944> /System/Library/PrivateFrameworks/TCC.framework/Versions/A/TCC
    0x7fff8f583000 -     0x7fff8f91bff7  com.apple.CoreFoundation (6.9 - 1153.18) <5C0892B8-9691-341F-9279-CA3A74D59AA0> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff8f91c000 -     0x7fff8f925fff  libGFXShared.dylib (11.1.6) <CB24B5DA-CB17-3A0B-94E1-5A58DADC3FBD> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
    0x7fff8f926000 -     0x7fff8f942fff  com.apple.GenerationalStorage (2.0 - 209.11) <9FF8DD11-25FB-3047-A5BF-9415339B3EEC> /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/GenerationalStorage
    0x7fff8f947000 -     0x7fff8fa77fff  com.apple.UIFoundation (1.0 - 1) <466BDFA8-0B9F-3AB0-989D-F9779422926A> /System/Library/PrivateFrameworks/UIFoundation.framework/Versions/A/UIFoundation
    0x7fff8faf9000 -     0x7fff8fb98e27  com.apple.AppleJPEG (1.0 - 1) <6627DDD9-A8FE-3968-B23A-B6A29AA3919A> /System/Library/PrivateFrameworks/AppleJPEG.framework/Versions/A/AppleJPEG
    0x7fff8fb99000 -     0x7fff8fb9fff7  libsystem_networkextension.dylib (167.40.3) <BA58B30B-8377-3B0A-8AE3-4F84021D9D4E> /usr/lib/system/libsystem_networkextension.dylib
    0x7fff8fc86000 -     0x7fff8fc89fff  com.apple.help (1.3.3 - 46) <CA4541F4-CEF5-355C-8F1F-EA65DC1B400F> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
    0x7fff8fd09000 -     0x7fff8fe2dff7  com.apple.LaunchServices (644.56 - 644.56) <20AABB1C-9319-3E4D-A024-51B0DD5FCD3B> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/LaunchServices
    0x7fff9016b000 -     0x7fff901d7ff3  com.apple.MMCS (1.3 - 327.5) <FC998246-ED60-334D-9E94-453F35EF9C78> /System/Library/PrivateFrameworks/MMCS.framework/Versions/A/MMCS
    0x7fff901d8000 -     0x7fff901f8ff7  com.apple.MultitouchSupport.framework (264.6 - 264.6) <1539F1F6-6334-37F3-9C52-02EFFBF4835D> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
    0x7fff9029e000 -     0x7fff9029ffff  libsystem_secinit.dylib (18) <581DAD0F-6B63-3A48-B63B-917AF799ABAA> /usr/lib/system/libsystem_secinit.dylib
    0x7fff90430000 -     0x7fff90481fff  com.apple.audio.CoreAudio (4.3.0 - 4.3.0) <8E6AE326-9F3E-3182-BD9E-FDF561211E2E> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
    0x7fff90f21000 -     0x7fff91197fff  com.apple.security (7.0 - 57031.40.8) <FB238FFF-AA3B-3AB3-80F8-2DA8D2ADA15A> /System/Library/Frameworks/Security.framework/Versions/A/Security
    0x7fff911a4000 -     0x7fff911a4fff  com.apple.Cocoa (6.8 - 21) <EAC0EA1E-3C62-3B28-A941-5D8B1E085FF8> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
    0x7fff911a5000 -     0x7fff91243fff  com.apple.Metadata (10.7.0 - 917.36) <00C4CB5D-E723-3612-84E0-439098392CDD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
    0x7fff91274000 -     0x7fff9127afff  libsystem_trace.dylib (72.20.1) <840F5301-B55A-3078-90B9-FEFFD6CD741A> /usr/lib/system/libsystem_trace.dylib
    0x7fff91287000 -     0x7fff912f3fff  com.apple.framework.CoreWLAN (5.0 - 500.35.2) <03697149-1CDD-32FF-B564-1C1EF5E9E5C3> /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLAN
    0x7fff912f4000 -     0x7fff913e5fff  libJP2.dylib (1247) <D74A8708-C27E-3D7C-89D0-BE999596E2B1> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJP2.dylib
    0x7fff913e6000 -     0x7fff91430fff  com.apple.HIServices (1.22 - 523) <99ADA325-53C8-368E-A5FA-3F913CD2245A> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
    0x7fff91431000 -     0x7fff91433fff  libCVMSPluginSupport.dylib (11.1.6) <F82BF8C4-12D3-3EAD-AEDE-533AC08AEB4A> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
    0x7fff91507000 -     0x7fff91511ff7  com.apple.NetAuth (5.2 - 5.2) <2BBD749A-8E18-35B8-8E48-A90347C1CCA7> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
    0x7fff91512000 -     0x7fff91517ffb  libheimdal-asn1.dylib (398.40.1) <7D2BE3DE-60F7-3A6E-A92E-DA0EF9D3417E> /usr/lib/libheimdal-asn1.dylib
    0x7fff91518000 -     0x7fff91519ff3  libSystem.B.dylib (1213) <4B24B5BE-45F2-355A-9A35-D438A516D140> /usr/lib/libSystem.B.dylib
    0x7fff9151a000 -     0x7fff91535ff7  libCRFSuite.dylib (34) <D64842BE-7BD4-3D0C-9842-1D202F7C2A51> /usr/lib/libCRFSuite.dylib
    0x7fff91634000 -     0x7fff9163cfff  libsystem_dnssd.dylib (576.50.2) <9EC5AF92-D0D2-3BDE-92B6-D3730D3865C8> /usr/lib/system/libsystem_dnssd.dylib
    0x7fff9163d000 -     0x7fff91970ff7  libmecabra.dylib (666.7) <0ED8AE5E-7A5B-34A6-A2EE-2B852E60E1E2> /usr/lib/libmecabra.dylib
    0x7fff91971000 -     0x7fff91971fff  com.apple.audio.units.AudioUnit (1.12 - 1.12) <E5335492-7EFE-31EA-BE72-4A9CEE68D58E> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
    0x7fff91972000 -     0x7fff91982ff7  libbsm.0.dylib (34) <A3A2E56C-2B65-37C7-B43A-A1F926E1A0BB> /usr/lib/libbsm.0.dylib
    0x7fff91983000 -     0x7fff9198efff  libcommonCrypto.dylib (60061.30.1) <E789748D-F9A7-3CFF-B317-90DF348B1E95> /usr/lib/system/libcommonCrypto.dylib
    0x7fff922e9000 -     0x7fff922ebff7  com.apple.securityhi (9.0 - 55006) <15D38919-9697-3E3A-BCB9-4E3271BC2C7E> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
    0x7fff92319000 -     0x7fff92341fff  libxpc.dylib (559.40.1) <5C829202-962E-3744-8B50-00D38CC88E84> /usr/lib/system/libxpc.dylib
    0x7fff92342000 -     0x7fff92454ff7  libvDSP.dylib (516) <151B3CCB-77D3-3715-A3D0-7C74CD5C7FFC> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvDSP.dylib
    0x7fff9245a000 -     0x7fff92469fff  com.apple.LangAnalysis (1.7.0 - 1.7.0) <D1E527E4-C561-352F-9457-E8C50232793C> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff92473000 -     0x7fff924d2fff  com.apple.AE (681.5 - 681.7) <2BF39455-1CDD-392C-824A-9972C6B1FB57> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
    0x7fff92530000 -     0x7fff925dffe7  libvMisc.dylib (516) <6739E390-46E7-3BFA-9B69-B278562326E6> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff9262f000 -     0x7fff92633fff  libCoreVMClient.dylib (79.1) <201EF6DF-5074-3CB7-A361-398CF957A264> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClient.dylib
    0x7fff9263a000 -     0x7fff92680ff7  libFontRegistry.dylib (134.1) <CE41D8C2-BEED-345C-BC4F-3775CC06C672> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontRegistry.dylib
    0x7fff92688000 -     0x7fff92700ff7  com.apple.SystemConfiguration (1.14.4 - 1.14) <3DFFD7F7-BD23-3F4C-A209-C4A0D99F6573> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
    0x7fff92701000 -     0x7fff929e8ffb  com.apple.CoreServices.CarbonCore (1108.6 - 1108.6) <8953580E-7857-33B2-AA64-98296830D3A8> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff939ad000 -     0x7fff939adfff  com.apple.CoreServices (62 - 62) <C69DA8A7-B536-34BF-A93F-1C170E2C6D58> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
    0x7fff939ae000 -     0x7fff939cbfff  libsystem_kernel.dylib (2782.50.9) <C09DE9E0-DFDC-345A-8CF7-97CCB62168A6> /usr/lib/system/libsystem_kernel.dylib
    0x7fff939cc000 -     0x7fff93a4afff  com.apple.CoreServices.OSServices (640.4 - 640.4) <9D175CD9-B27F-3529-8269-66D8AA83582E> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
    0x7fff93a4b000 -     0x7fff93a4efff  com.apple.xpc.ServiceManagement (1.0 - 1) <A95A15CD-3B21-3513-AFF8-1D7DE3DBFA12> /System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 1
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 12415290
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=219.2M resident=134.1M(61%) swapped_out_or_unallocated=85.0M(39%)
Writable regions: Total=78.3M written=12.4M(16%) resident=18.6M(24%) swapped_out=4K(0%) unallocated=59.7M(76%)
 
REGION TYPE                      VIRTUAL
===========                      =======
CG shared images                    144K
Dispatch continuations             16.0M
Kernel Alloc Once                     8K
MALLOC                             43.0M
MALLOC (admin)                       32K
STACK GUARD                        56.0M
Stack                              10.1M
VM_ALLOCATE                        8044K
__DATA                             17.5M
__IMAGE                             528K
__LINKEDIT                         76.3M
__TEXT                            142.9M
__UNICODE                           552K
mapped file                        51.1M
shared memory                         4K
===========                      =======
TOTAL                             422.1M

[tkralphs]

There are probably a couple of different things going on here. The crash is probably due to mixing libraries from Apple's Python and Homebrew's python. This is a recurrent problem that almost everyone who switches to homebrew seems to encounter. The Homebrew python path still includes the site-packages directory for Apple's python and it ends up pulling in libraries from the Apple Python site-package directory. If you grep the above error output and look for packages in /Library/Python/2.7/site-packages/, e.g.,

/Library/Python/2.7/site-packages/PIL/.dylibs/libjpeg.9.dylib

those are the problematic ones. I would suggest you just go ahead and delete everything in /Library/Python/2.7/site-packages/ (back it up to be sure). I think that will fix the problem (you may need to reinstall some of the packages under homebrew). Alternatively, you could install GrUMPy in a virtual environment using virtualenv with the --no-site-packages option, which I guess would also fix the problem.

It's hard to tell what the problem is with 0.8.4 on OS X without some more details. I don't think i changed anything that should make the difference between working and not working on OS X, but I guess it's good that you got it working with 0.85.

As for making the graphs prettier with xdot, this may not be quite what you expect. There are two different styles of tree pics you can get. One is the one you already got working, which is made with old-school gnuplot and pictures the nodes at the level of their bound. The other is the pretty tree pictures like this one, which are made using graphviz and then displayed using either pygame, xdot, or simply saved as files. Once you have a tree read in, you can produce either kind of image, but the commands for the two different image types are different, which goes back to the fact that GrUMPy is a merger of two separately developed projects. So just installing xdot and running p0201_GLPK.vbc won't change anything.

If you tell me what you want to do exactly, I can try to point you to some documentation.

[kibaekkim]

Thanks for the comments. I have (indirectly) resolved the issue.

Short: I made it work by removing /Library/Python/ and reinstalling python from brew.

Details: python installed by brew on my mac seems to read packages from both /Library/Python/2.7/site-packages/ and /usr/local/lib/python2.7/site-packages/. I also found multiple directories under /Library/Python/ (e.g., 2.5, 2.6, 2.7). I renamed /Library/Python/ to '/Library/Python_bak/and reinstallpython. To run grumpy, I needed to install pulpandpygame` from this clean version.

Prettier: I would like to generate a tree image like this. Here are the images for p0201_GLPK.vbc and p0201_SYMPHONY.vbc: p0201_GLPK.vbc.pdf and p0201_SYMPHONY.vbc.pdf. One is gray-colored, whereas the other is not.

More notes:

• Version 0.8.4 still does not work. For p0201_SYMPHONY.vbc, I am getting this:

Invalid line: 0.288516 branched 1 None M 7125.000000 11.368421 24 19000000 100000
Should match: <time> branched <node id> <parent id>
<branch direction> <lp bound>
<sum of integer infeasibilities> <number of integer
infeasibilities>

• Things under /Library/Python may not be necessary to run python.
• xdot seems to require python 3.0 (requirements). I could install xdot using pip, but I got this messsage:

Xdot is not installed. Display is set to off.

• pygame does not give me this pretty tree by default. It may require some parameter tunes.

Test script

from coinor.grumpy import BBTree
bt = BBTree()
file_ = open('../GrUMPy/src/grumpy/examples/p0201_SYMPHONY.vbc', 'r')
# file_ = open('../GrUMPy/src/grumpy/examples/p0201_GLPK.vbc', 'r')
for line in file_:
    bt.ProcessLine(line)

bt.set_display_mode('PIL')
bt.display()

[tkralphs]

Thanks for the comments. I have (indirectly) resolved the issue.

Short: I made it work by removing /Library/Python/ and reinstalling python from brew.

Details: python installed by brew on my mac seems to read packages from both /Library/Python/2.7/site-packages/ and /usr/local/lib/python2.7/site-packages/. I also found multiple directories under /Library/Python/ (e.g., 2.5, 2.6, 2.7). I renamed /Library/Python/ to '/Library/Python_bak/and reinstall python. To run grumpy, I needed to install pulp and pygame` from this clean version.

Yes, exactly, this is the conflict between packages meant to work with Apple's python and the homebrew version that I was referrring to. Just to clarify, you shouldn't need to install pulp and pygame for GrUMPy to work---they are only required for some optional things you might want to do with GrUMPy. That is why they are not listed as requirements in setup.py.

Prettier: I would like to generate a tree image like this. Here are the images for p0201_GLPK.vbc and p0201_SYMPHONY.vbc: p0201_GLPK.vbc.pdf and p0201_SYMPHONY.vbc.pdf. One is gray-colored, whereas the other is not.

The "pretty" trees are generated by populating a BBTree object with data coming from some external application (a solver, another Python script, etc.) and displaying it. Whether the nodes are colored or not, etc. is just a function of the application itself. The two trees you are pointed out above were generated for a particular application where we wanted greyscale coloring of the nodes to indicate certain properties. If you take a look at how the nodes are added to the tree in BranchAndBound.py, you should see how it works.

More notes:

Version 0.8.4 still does not work. For p0201_SYMPHONY.vbc, I am getting this:
Invalid line: 0.288516 branched 1 None M 7125.000000 11.368421 24 19000000 100000
Should match: branched

Ah, OK, this is useful to know I'm surprised because I'm sure this was working previously. I will look at it. In any case, I'll probably make a release of 0.85 in the near future and then it will be moot.

Things under /Library/Python may not be necessary to run python.

They are definitely not needed for homebrew python, but would be needed if you are using Apple's python. They just use different directories to store site-packages and the packages are not mutually compatible.

xdot seems to require python 3.0 (requirements). I could install xdot using pip, but I got this messsage:
Xdot is not installed. Display is set to off.

GrUMPy is implemented in Python 2. You can't import Python 3 packages in Python 2, so this is why xdot is not seen as installed. This must have changed recently, as xdot was previously working with Python 2. Hmm, I'll have to look into this, might be time to start porting all my projects to Python 3.

pygame does not give me this pretty tree by default. It may require some parameter tunes.

pygame just provides a way of displaying an image file. The image itself is generated independent of pygame. Whether it is "pretty" or not has to do with what display function is called and the data describing the tree, which comes from an external application.

Hope this helps clarify some things!

[tkralphs]

@kibaekkim I've updated the README now to indicate how to successfully get the current release of GrUMPy working with xdot on all platforms.