#10729: IPython.CrashHandler import error upon starting sage
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Reporter: jorges | Owner:
Type: defect | Status: new
Priority: major | Milestone:
Component: scripts | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by jorges):
I just found a workaround to this issue. It doesn't actually solve the
bug, but it might be usefull to someone experiencing this:
Citing [1]_: "In addition to the global site-packages paths, site is
responsible for adding the user-specific locations to the import path. The
user-specific paths are all based on the USER_BASE directory, which
usually located in a part of the filesystem owned (and writable) by the
current user. Inside the USER_BASE is a site-packages directory, with the
path accessible as USER_SITE. The USER_SITE path name is created using the
same platform-specific values..."
"The user base directory can be set through the PYTHONUSERBASE environment
variable, and has platform-specific defaults (~/Python$version/site-
packages for Windows and ~/.local for non-Windows)."
Setting PYTHONUSERBASE to a "dummy" location, i.e. an empty directory,
prevents python from loading the modules from, say, ~/.local/... which
conflict with sage's own.
.. [1] http://www.doughellmann.com/PyMOTW/site/#user-directories
The user base directory can be set through the PYTHONUSERBASE environment
variable, and has platform-specific defaults (~/Python$version/site-
packages for Windows and ~/.local for non-Windows).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10729#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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