bugGNU Octave - Bugs: bug #58915, [octave forge] (symbolic) error

 
 

bug #58915: [octave forge] (symbolic) error

Submitter:  Francois Laisney <fl_163264>
Submitted:  Sat 08 Aug 2020 03:42:34 AM UTC
   
 
Category:  Octave Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Unexpected Error or Warning
Status:  Invalid / Not an Octave Bug Assigned to:  None
Originator Name:  FL Open/Closed:  * Closed
Release:  * 5.1.0 Operating System:  * Microsoft Windows
Fixed Release:  None Planned Release:  None
* Mandatory Fields

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Mon 10 Aug 2020 04:40:12 AM UTC, comment #1: 

Solution found:
the root of the problem is a question of security within Windows, that prevents the proper installation of the python link.

Solution:
1/ Download the latest symbolic-win-py-bundle (current version: symbolic-win-py-bundle-2.9.0.tag.gz)

note the path on which this file has been downloaded.

2/ Within Octave, in the top-left corner, on the "button line", enter that path in the "current path" box. Without setting the current path, one gets the error:
error: pkg: failed to read package symbolic-win-py-bundle-2.9.0.tag.gz
error: called from
    pkg at line 433 column 17

3/ give write permissions within Window:
If your installation directory was "C:\Octave\Octave-5.2.0" (typical default path for the octave-5.2.0_1-w64-installer.exe), then in Windows Explorer go to C:\Octave, select the directory "Octave-5.2.0", and right-click it (or Shift+F10), click properties (bottom of the context menu), and click the Security tab, click Edit button, then select the Users in the list of "Group or user names", and then give full permissions to it.

4/ Once the right directory is selected and proper permissions have been given, then run in Octave the install command:
pkg install symbolic-win-py-bundle-2.9.0.tag.gz

then no more problem...

Francois Laisney <fl_163264>
Sat 08 Aug 2020 03:42:34 AM UTC, original submission:  

after using the two commands:
pkg install -forge symbolic
pkg load symbolic

I got that error message:

syms x
Symbolic pkg v2.9.0: error: Cannot run the Python executable "python3"
    Try "sympref diagnose" for more information.
error: called from
    assert_have_python_and_sympy at line 61 column 7
    python_ipc_popen2 at line 79 column 5
    python_ipc_driver at line 62 column 15
    pycall_sympy__ at line 163 column 11
    valid_sym_assumptions at line 38 column 10
    assumptions at line 82 column 7
    syms at line 97 column 13

Francois Laisney <fl_163264>

 

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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2020-08-13 siko1056 SummarySymbolic error [octave forge] (symbolic) error
    2020-08-10 mtmiller StatusNone Invalid / Not an Octave Bug
        Open/ClosedOpen Closed

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