#14187: Check that lazy imports are not resolved during startup
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Reporter: vbraun | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.8
Component: performance | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Volker Braun | Merged in:
Dependencies: | Stopgaps:
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Changes (by {'newvalue': u'Volker Braun', 'oldvalue': ''}):
* type: PLEASE CHANGE => enhancement
* component: PLEASE CHANGE => performance
* author: => Volker Braun
Old description:
> With the ticket:
> {{{
>
> }}}
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. With the ticket:
{{{
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| Sage Version 5.8.beta1, Release Date: 2013-02-24 |
| Type "notebook()" for the browser-based notebook interface. |
| Type "help()" for help. |
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* *
* Warning: this is a prerelease version, and it may be unstable. *
* *
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/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:
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14187#comment:1>
Sage <http://www.sagemath.org>
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