#15779: Optional package database_sloane_oeis-2005-12.spkg is outdated
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Reporter: wluebbe | Owner:
Type: defect | Status: new
Priority: minor | Milestone: sage-6.1
Component: packages: | Keywords: optional database sloane
optional | Authors: Wilfried Luebbe
Merged in: | Report Upstream: N/A
Reviewers: | Branch:
Work issues: | Dependencies:
Commit: |
Stopgaps: |
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I guess the optional spkg {{{database_sloane_oeis-2005-12.spkg}}} could be
removed.
The package contains a {{{sloane-oeis.bz2}}} which expands to a 20.165.423
Bytes file {{{sloane-oeis}}}. This file has 113134 records (with no
obvious sort logic):
{{{
A000004
,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
A112316 ,0,0,0 ...
}}}
On the other hand the module {{{\src\sage\databases\sloane.py}}} downloads
a current file {{{http://oeis.org/stripped.gz}}} (17.971.650 Bytes).
This expands to a 45.252.744 Bytes file with 236976 records (including the
4 header records):
{{{
# OEIS Sequence Data (http://oeis.org/stripped.gz)
# Last Modified: February 2 08:48 UTC 2014
# Use of this content is governed by the
# OEIS End-User License: http://oeis.org/LICENSE
A000001
,1,1,1,2,1,2,1,5,2,2,1,5,1,2,1,14,1,5,1,5,2,2,1,15,2,2,5,4,1,4,1,51,1,2,1,14,1,2,2,14,1,6,1,4,2,2,1,52,2,5,1,5,1,15,2,13,2,2,1,13,1,2,4,267,1,4,1,5,1,4,1,50,1,2,3,4,1,6,1,52,15,2,1,15,1,2,1,12,1,10,1,4,2,
A000002 ...
}}}
sloane.py also downloads {{{http://oeis.org/names.gz}}} with
(8.330.058.251 Bytes (expanded 20.853.789 Bytes) and some same number of
records as strippd.gz:
{{{
# OEIS Sequence Names (http://oeis.org/names.gz)
# Last Modified: February 2 03:48 EST 2014
# Use of this content is governed by the
# OEIS End-User License: http://oeis.org/LICENSE
A000001 Number of groups of order n.
A000002 ...
}}}
{{{striped}}} contains more than double the number of sequence records
compared to {{{sloane-oeis}}}. Often the sequences have additional
elements. The new file may also contain corrected errors ...
--
Ticket URL: <http://trac.sagemath.org/ticket/15779>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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