#14187: Check that lazy imports are not resolved during startup
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Reporter: vbraun | Owner: tbd
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.8
Component: performance | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Nicolas M. Thiéry
Authors: Volker Braun | Merged in:
Dependencies: | Stopgaps:
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Description changed by vbraun:
Old description:
> Print a warning if, during startup, any lazy imports are being resolved.
> This beats the purpose of lazy imports so we should have a mechanism to
> prevent us from stepping into that trap. With the ticket:
> {{{
> ----------------------------------------------------------------------
> | Sage Version 5.8.beta1, Release Date: 2013-02-24 |
> | Type "notebook()" for the browser-based notebook interface. |
> | Type "help()" for help. |
> ----------------------------------------------------------------------
> **********************************************************************
> * *
> * Warning: this is a prerelease version, and it may be unstable. *
> * *
> **********************************************************************
> /home/vbraun/opt/sage-5.8.beta1/local/lib/python2.7/site-
> packages/sage/sets/non_negative_integers.py:83: UserWarning: resolving
> lazy import FacadeSets during startup
> Parent.__init__(self, facade = ZZ, category =
> InfiniteEnumeratedSets().or_subcategory(category) )
> sage:
> }}}
New description:
Print a warning if, during startup, any lazy imports are being resolved.
This beats the purpose of lazy imports so we should have a mechanism to
prevent us from stepping into that trap.
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14187#comment:10>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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