CONTRIBUTING 000664 001750 001750 6146 12404711216 15107 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 NAME
CONTRIBUTING
DESCRIPTION
If you're reading this document, that means you might be thinking about
helping me out with this project. Thanks!
Here's some ways you could help out:
* Bug reports
Found a bug? Great! (Well, not so great I suppose.)
The place to report them is . Don't e-mail me
about it, as your e-mail is more than likely to get lost amongst the
spam.
An example script clearly demonstrating the bug (preferably written
using Test::More) would be greatly appreciated.
* Patches
If you've found a bug and written a fix for it, even better!
Generally speaking you should check out the latest copy of the code
from the source repository rather than using the CPAN distribution.
The file META.yml should contain a link to the source repository. If
not, then try or submit a bug report.
(As far as I'm concerned the lack of a link is a bug.) Many of my
distributions are also mirrored at .
To submit the patch, do a pull request on GitHub or Bitbucket, or
attach a diff file to a bug report. Unless otherwise stated, I'll
assume that your contributions are licensed under the same terms as
the rest of the project.
(If using git, feel free to work in a branch. For Mercurial, I'd
prefer bookmarks within the default branch.)
* Documentation
If there's anything unclear in the documentation, please submit this
as a bug report or patch as above.
Non-toy example scripts that I can bundle would also be appreciated.
* Translation
Translations of documentation would be welcome.
For translations of error messages and other strings embedded in the
code, check with me first. Sometimes the English strings may not in
a stable state, so it would be a waste of time translating them.
Coding Style
I tend to write using something approximating the Allman style, using
tabs for indentation and Unix-style line breaks.
*
*
I nominally encode all source files as UTF-8, though in practice most of
them use a 7-bit-safe ASCII-compatible subset of UTF-8.
AUTHOR
Toby Inkster .
COPYRIGHT AND LICENCE
Copyright (c) 2012-2014 by Toby Inkster.
CONTRIBUTING is available under three different licences permitting its
redistribution: the CC-BY-SA_UK-2.0 licence, plus the same licences as
Perl itself, which is distributed under the GNU General Public Licence
version 1, and the Artistic Licence.
This file is licensed under the Creative Commons Attribution-ShareAlike
2.0 UK: England & Wales License. To view a copy of this license, visit
.
This file is free software; you can redistribute it and/or modify it
under the same terms as the Perl 5 programming language system itself.
COPYRIGHT 000664 001750 001750 2146 12404711216 14544 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: RDF-Query-Client
Upstream-Contact: TOBYINK and Toby Inkster
Source: https://metacpan.org/release/RDF-Query-Client
Files: Changes
META.json
META.yml
dist.ini
doap.ttl
t/01basic.t
Copyright: Copyright 2014 Toby Inkster.
License: GPL-1.0+ or Artistic-1.0
Files: CONTRIBUTING
INSTALL
LICENSE
examples/example1.pl
Copyright: Unknown
License: Unknown
Files: COPYRIGHT
CREDITS
SIGNATURE
Copyright: None
License: public-domain
Files: README
lib/RDF/Query/Client.pm
Copyright: Copyright (C) 2009-2013 by Toby Inkster.
License: GPL-1.0+ or Artistic-1.0
Files: Makefile.PL
Copyright: Copyright 2013 Toby Inkster.
License: GPL-1.0+ or Artistic-1.0
License: Artistic-1.0
This software is Copyright (c) 2014 by the copyright holder(s).
This is free software, licensed under:
The Artistic License 1.0
License: GPL-1.0
This software is Copyright (c) 2014 by the copyright holder(s).
This is free software, licensed under:
The GNU General Public License, Version 1, February 1989
CREDITS 000664 001750 001750 240 12404711212 14236 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 Maintainer:
- TOBYINK
- Toby Inkster
Contributor:
- Jonas Smedegaard
- TOBYINK
Thanks:
-
Changes 000664 001750 001750 4404 12404711212 14537 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 RDF-Query-Client
================
Created: 2009-11-10
Home page:
Bug tracker:
Maintainer: Toby Inkster
0.114 2014-09-13
[ Test Suite ]
- Use Test::RequiresInternet.
[ Other ]
- Drop dependency on Role::Commons.
- General tidy up.
0.113 2014-09-10
[ Packaging ]
- Switch to Dist::Inkt.
0.112 2013-07-16
- Prefer SPARQL results in XML over JSON. (This partially rolls back a
change from 0.104.)
0.111 2013-07-02
[ Bug Fixes ]
- Stop bundling old version of Scalar::Util in 'inc'.
0.110 2012-03-13
[ Bug Fixes ]
- sparql.org changed some URIs, breaking our tests.
Fixes RT#75676.
0.109 2012-02-08
[ Bug Fixes ]
0.108 2012-02-08
- Updated: Stop using deprecated UNIVERSAL::AUTHORITY.
Jonas Smedegaard++
0.107 2011-12-03
[ Bug Fixes ]
- Update to newer Module::Package::RDF
0.106 2011-11-26
[ Packaging ]
- Module::Package::RDF
[ Other ]
- General tidy-up.
- Support 'Content-Type: application/sparql-(query|update)'.
- Support HTTP 'PATCH' method.
- Updated: use 5.010
0.105 2011-03-04
- Fix annoying warning message.
0.104 2011-02-23
- Accept (and prefer) JSON results format.
- Clean up media-type handling.
- Delegate media-type-to-parser mapping to RDF::Trine.
0.103 2010-07-08
[ Bug Fixes ]
- use Scalar::Util qw'blessed'
0.102 2010-07-07
[ Bug Fixes ]
- Construct HTTP::LRDD object just in time.
0.101 2010-07-03
[ Bug Fixes ]
- Possibly this will fix some cpan-tester fails, though I'm not entirely
sure.
0.100 2010-06-30
- Added: Automatic endpoint discovery.
0.05 2010-03-20
- Minor documentation improvements.
- Updated: Test script now checks HTTP connectivity to sparql.org before
using it for tests.
0.04 2010-01-27
- Updated: Use my new build system.
0.03 2009-12-07
- Makefile.PL compatibility with earlier Perl versions.
- Remove documentation for RDF::Query-compatible stub functions; issue
warnings when they're called.
0.02 2009-11-12
- Add security notes to documentation
- Added: Implement get() method
- Added: Support for HTTP Basic Auth
- lib/RDF/Query/Client.pm: use 5.006
0.01 2009-11-10
INSTALL 000664 001750 001750 1721 12404711210 14272 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 Installing RDF-Query-Client should be straightforward.
INSTALLATION WITH CPANMINUS
If you have cpanm, you only need one line:
% cpanm RDF::Query::Client
If you are installing into a system-wide directory, you may need to pass
the "-S" flag to cpanm, which uses sudo to install the module:
% cpanm -S RDF::Query::Client
INSTALLATION WITH THE CPAN SHELL
Alternatively, if your CPAN shell is set up, you should just be able to
do:
% cpan RDF::Query::Client
MANUAL INSTALLATION
As a last resort, you can manually install it. Download the tarball and
unpack it.
Consult the file META.json for a list of pre-requisites. Install these
first.
To build RDF-Query-Client:
% perl Makefile.PL
% make && make test
Then install it:
% make install
If you are installing into a system-wide directory, you may need to run:
% sudo make install
LICENSE 000664 001750 001750 43655 12404711211 14303 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 This software is copyright (c) 2014 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
Terms of the Perl programming language system itself
a) the GNU General Public License as published by the Free
Software Foundation; either version 1, or (at your option) any
later version, or
b) the "Artistic License"
--- The GNU General Public License, Version 1, February 1989 ---
This software is Copyright (c) 2014 by Toby Inkster.
This is free software, licensed under:
The GNU General Public License, Version 1, February 1989
GNU GENERAL PUBLIC LICENSE
Version 1, February 1989
Copyright (C) 1989 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The license agreements of most software companies try to keep users
at the mercy of those companies. By contrast, our General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. The
General Public License applies to the Free Software Foundation's
software and to any other program whose authors commit to using it.
You can use it for your programs, too.
When we speak of free software, we are referring to freedom, not
price. Specifically, the General Public License is designed to make
sure that you have the freedom to give away or sell copies of free
software, that you receive source code or can get it if you want it,
that you can change the software or use pieces of it in new free
programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of a such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must tell them their rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License Agreement applies to any program or other work which
contains a notice placed by the copyright holder saying it may be
distributed under the terms of this General Public License. The
"Program", below, refers to any such program or work, and a "work based
on the Program" means either the Program or any work containing the
Program or a portion of it, either verbatim or with modifications. Each
licensee is addressed as "you".
1. You may copy and distribute verbatim copies of the Program's source
code as you receive it, in any medium, provided that you conspicuously and
appropriately publish on each copy an appropriate copyright notice and
disclaimer of warranty; keep intact all the notices that refer to this
General Public License and to the absence of any warranty; and give any
other recipients of the Program a copy of this General Public License
along with the Program. You may charge a fee for the physical act of
transferring a copy.
2. You may modify your copy or copies of the Program or any portion of
it, and copy and distribute such modifications under the terms of Paragraph
1 above, provided that you also do the following:
a) cause the modified files to carry prominent notices stating that
you changed the files and the date of any change; and
b) cause the whole of any work that you distribute or publish, that
in whole or in part contains the Program or any part thereof, either
with or without modifications, to be licensed at no charge to all
third parties under the terms of this General Public License (except
that you may choose to grant warranty protection to some or all
third parties, at your option).
c) If the modified program normally reads commands interactively when
run, you must cause it, when started running for such interactive use
in the simplest and most usual way, to print or display an
announcement including an appropriate copyright notice and a notice
that there is no warranty (or else, saying that you provide a
warranty) and that users may redistribute the program under these
conditions, and telling the user how to view a copy of this General
Public License.
d) You may charge a fee for the physical act of transferring a
copy, and you may at your option offer warranty protection in
exchange for a fee.
Mere aggregation of another independent work with the Program (or its
derivative) on a volume of a storage or distribution medium does not bring
the other work under the scope of these terms.
3. You may copy and distribute the Program (or a portion or derivative of
it, under Paragraph 2) in object code or executable form under the terms of
Paragraphs 1 and 2 above provided that you also do one of the following:
a) accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of
Paragraphs 1 and 2 above; or,
b) accompany it with a written offer, valid for at least three
years, to give any third party free (except for a nominal charge
for the cost of distribution) a complete machine-readable copy of the
corresponding source code, to be distributed under the terms of
Paragraphs 1 and 2 above; or,
c) accompany it with the information you received as to where the
corresponding source code may be obtained. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form alone.)
Source code for a work means the preferred form of the work for making
modifications to it. For an executable file, complete source code means
all the source code for all modules it contains; but, as a special
exception, it need not include source code for modules which are standard
libraries that accompany the operating system on which the executable
file runs, or for standard header files or definitions files that
accompany that operating system.
4. You may not copy, modify, sublicense, distribute or transfer the
Program except as expressly provided under this General Public License.
Any attempt otherwise to copy, modify, sublicense, distribute or transfer
the Program is void, and will automatically terminate your rights to use
the Program under this License. However, parties who have received
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6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the original
licensor to copy, distribute or modify the Program subject to these
terms and conditions. You may not impose any further restrictions on the
recipients' exercise of the rights granted herein.
7. The Free Software Foundation may publish revised and/or new versions
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Each version is given a distinguishing version number. If the Program
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either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
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Foundation.
8. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
9. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
10. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
Appendix: How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to humanity, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest to
attach them to the start of each source file to most effectively convey
the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
Copyright (C) 19yy
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) 19xx name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the
appropriate parts of the General Public License. Of course, the
commands you use may be called something other than `show w' and `show
c'; they could even be mouse-clicks or menu items--whatever suits your
program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
program `Gnomovision' (a program to direct compilers to make passes
at assemblers) written by James Hacker.
, 1 April 1989
Ty Coon, President of Vice
That's all there is to it!
--- The Artistic License 1.0 ---
This software is Copyright (c) 2014 by Toby Inkster.
This is free software, licensed under:
The Artistic License 1.0
The Artistic License
Preamble
The intent of this document is to state the conditions under which a Package
may be copied, such that the Copyright Holder maintains some semblance of
artistic control over the development of the package, while giving the users of
the package the right to use and distribute the Package in a more-or-less
customary fashion, plus the right to make reasonable modifications.
Definitions:
- "Package" refers to the collection of files distributed by the Copyright
Holder, and derivatives of that collection of files created through
textual modification.
- "Standard Version" refers to such a Package if it has not been modified,
or has been modified in accordance with the wishes of the Copyright
Holder.
- "Copyright Holder" is whoever is named in the copyright or copyrights for
the package.
- "You" is you, if you're thinking about copying or distributing this Package.
- "Reasonable copying fee" is whatever you can justify on the basis of media
cost, duplication charges, time of people involved, and so on. (You will
not be required to justify it to the Copyright Holder, but only to the
computing community at large as a market that must bear the fee.)
- "Freely Available" means that no fee is charged for the item itself, though
there may be fees involved in handling the item. It also means that
recipients of the item may redistribute it under the same conditions they
received it.
1. You may make and give away verbatim copies of the source form of the
Standard Version of this Package without restriction, provided that you
duplicate all of the original copyright notices and associated disclaimers.
2. You may apply bug fixes, portability fixes and other modifications derived
from the Public Domain or from the Copyright Holder. A Package modified in such
a way shall still be considered the Standard Version.
3. You may otherwise modify your copy of this Package in any way, provided that
you insert a prominent notice in each changed file stating how and when you
changed that file, and provided that you do at least ONE of the following:
a) place your modifications in the Public Domain or otherwise make them
Freely Available, such as by posting said modifications to Usenet or an
equivalent medium, or placing the modifications on a major archive site
such as ftp.uu.net, or by allowing the Copyright Holder to include your
modifications in the Standard Version of the Package.
b) use the modified Package only within your corporation or organization.
c) rename any non-standard executables so the names do not conflict with
standard executables, which must also be provided, and provide a separate
manual page for each non-standard executable that clearly documents how it
differs from the Standard Version.
d) make other distribution arrangements with the Copyright Holder.
4. You may distribute the programs of this Package in object code or executable
form, provided that you do at least ONE of the following:
a) distribute a Standard Version of the executables and library files,
together with instructions (in the manual page or equivalent) on where to
get the Standard Version.
b) accompany the distribution with the machine-readable source of the Package
with your modifications.
c) accompany any non-standard executables with their corresponding Standard
Version executables, giving the non-standard executables non-standard
names, and clearly documenting the differences in manual pages (or
equivalent), together with instructions on where to get the Standard
Version.
d) make other distribution arrangements with the Copyright Holder.
5. You may charge a reasonable copying fee for any distribution of this
Package. You may charge any fee you choose for support of this Package. You
may not charge a fee for this Package itself. However, you may distribute this
Package in aggregate with other (possibly commercial) programs as part of a
larger (possibly commercial) software distribution provided that you do not
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6. The scripts and library files supplied as input to or produced as output
from the programs of this Package do not automatically fall under the copyright
of this Package, but belong to whomever generated them, and may be sold
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7. C or perl subroutines supplied by you and linked into this Package shall not
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8. The name of the Copyright Holder may not be used to endorse or promote
products derived from this software without specific prior written permission.
9. THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
The End
MANIFEST 000664 001750 001750 273 12404711216 14361 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 CONTRIBUTING
COPYRIGHT
CREDITS
Changes
INSTALL
LICENSE
MANIFEST
META.json
META.yml
Makefile.PL
README
SIGNATURE
dist.ini
doap.ttl
examples/example1.pl
lib/RDF/Query/Client.pm
t/01basic.t
META.json 000664 001750 001750 4151 12404711216 14670 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 {
"abstract" : "get data from W3C SPARQL Protocol 1.0 servers",
"author" : [
"Toby Inkster ",
"TOBYINK "
],
"dynamic_config" : 0,
"generated_by" : "Dist::Inkt::Profile::TOBYINK version 0.016, CPAN::Meta::Converter version 2.140640",
"keywords" : [
"HTTP",
"Protocol",
"Query",
"RDF",
"REST",
"SPARQL"
],
"license" : [
"perl_5"
],
"meta-spec" : {
"url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
"version" : "2"
},
"name" : "RDF-Query-Client",
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"directory" : [
"eg",
"examples",
"inc",
"t",
"xt"
]
},
"optional_features" : {},
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"requires" : {
"ExtUtils::MakeMaker" : "6.17"
}
},
"runtime" : {
"recommends" : {
"HTTP::LRDD" : "0"
},
"requires" : {
"HTTP::Request" : "0",
"LWP::UserAgent" : "0",
"RDF::Trine" : "0.133",
"URI::Escape" : "0",
"namespace::clean" : "0.20"
}
},
"test" : {
"requires" : {
"Test::More" : "0.61",
"Test::RequiresInternet" : "0"
}
}
},
"provides" : {
"RDF::Query::Client" : {
"file" : "lib/RDF/Query/Client.pm",
"version" : "0.114"
}
},
"release_status" : "stable",
"resources" : {
"X_identifier" : "http://purl.org/NET/cpan-uri/dist/RDF-Query-Client/project",
"bugtracker" : {
"web" : "http://rt.cpan.org/Dist/Display.html?Queue=RDF-Query-Client"
},
"homepage" : "https://metacpan.org/release/RDF-Query-Client",
"license" : [
"http://dev.perl.org/licenses/"
],
"repository" : {
"type" : "git",
"url" : "git://github.com/tobyink/p5-rdf-query-client.git",
"web" : "https://github.com/tobyink/p5-rdf-query-client"
}
},
"version" : "0.114",
"x_contributors" : [
"Jonas Smedegaard",
"TOBYINK"
]
}
META.yml 000664 001750 001750 2421 12404711216 14516 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 ---
abstract: 'get data from W3C SPARQL Protocol 1.0 servers'
author:
- 'Toby Inkster '
- 'TOBYINK '
build_requires:
Test::More: '0.61'
Test::RequiresInternet: '0'
configure_requires:
ExtUtils::MakeMaker: '6.17'
dynamic_config: 0
generated_by: 'Dist::Inkt::Profile::TOBYINK version 0.016, CPAN::Meta::Converter version 2.140640'
keywords:
- HTTP
- Protocol
- Query
- RDF
- REST
- SPARQL
license: perl
meta-spec:
url: http://module-build.sourceforge.net/META-spec-v1.4.html
version: '1.4'
name: RDF-Query-Client
no_index:
directory:
- eg
- examples
- inc
- t
- xt
optional_features: {}
provides:
RDF::Query::Client:
file: lib/RDF/Query/Client.pm
version: '0.114'
recommends:
HTTP::LRDD: '0'
requires:
HTTP::Request: '0'
LWP::UserAgent: '0'
RDF::Trine: '0.133'
URI::Escape: '0'
namespace::clean: '0.20'
resources:
X_identifier: http://purl.org/NET/cpan-uri/dist/RDF-Query-Client/project
bugtracker: http://rt.cpan.org/Dist/Display.html?Queue=RDF-Query-Client
homepage: https://metacpan.org/release/RDF-Query-Client
license: http://dev.perl.org/licenses/
repository: git://github.com/tobyink/p5-rdf-query-client.git
version: '0.114'
x_contributors:
- 'Jonas Smedegaard'
- TOBYINK
Makefile.PL 000664 001750 001750 12667 12404711216 15254 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 use strict;
use ExtUtils::MakeMaker 6.17;
my $EUMM = eval( $ExtUtils::MakeMaker::VERSION );
my $meta = {
"abstract" => "get data from W3C SPARQL Protocol 1.0 servers",
"author" => [
"Toby Inkster ",
"TOBYINK ",
],
"dynamic_config" => 0,
"generated_by" => "Dist::Inkt::Profile::TOBYINK version 0.016, CPAN::Meta::Converter version 2.140640",
"keywords" => ["HTTP", "Protocol", "Query", "RDF", "REST", "SPARQL"],
"license" => ["perl_5"],
"meta-spec" => {
url => "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
version => 2,
},
"name" => "RDF-Query-Client",
"no_index" => { directory => ["eg", "examples", "inc", "t", "xt"] },
"prereqs" => {
configure => { requires => { "ExtUtils::MakeMaker" => 6.17 } },
runtime => {
recommends => { "HTTP::LRDD" => 0 },
requires => {
"HTTP::Request" => 0,
"LWP::UserAgent" => 0,
"namespace::clean" => "0.20",
"RDF::Trine" => 0.133,
"URI::Escape" => 0,
},
},
test => {
requires => { "Test::More" => 0.61, "Test::RequiresInternet" => 0 },
},
},
"provides" => {
"RDF::Query::Client" => { file => "lib/RDF/Query/Client.pm", version => 0.114 },
},
"release_status" => "stable",
"resources" => {
bugtracker => {
web => "http://rt.cpan.org/Dist/Display.html?Queue=RDF-Query-Client",
},
homepage => "https://metacpan.org/release/RDF-Query-Client",
license => ["http://dev.perl.org/licenses/"],
repository => {
type => "git",
url => "git://github.com/tobyink/p5-rdf-query-client.git",
web => "https://github.com/tobyink/p5-rdf-query-client",
},
X_identifier => "http://purl.org/NET/cpan-uri/dist/RDF-Query-Client/project",
},
"version" => 0.114,
"x_contributors" => ["Jonas Smedegaard", "TOBYINK"],
};
my %dynamic_config;
my %WriteMakefileArgs = (
ABSTRACT => $meta->{abstract},
AUTHOR => ($EUMM >= 6.5702 ? $meta->{author} : $meta->{author}[0]),
DISTNAME => $meta->{name},
VERSION => $meta->{version},
EXE_FILES => [ map $_->{file}, values %{ $meta->{x_provides_scripts} || {} } ],
NAME => do { my $n = $meta->{name}; $n =~ s/-/::/g; $n },
test => { TESTS => "t/*.t" },
%dynamic_config,
);
$WriteMakefileArgs{LICENSE} = $meta->{license}[0] if $EUMM >= 6.3001;
sub deps
{
my %r;
for my $stage (@_)
{
for my $dep (keys %{$meta->{prereqs}{$stage}{requires}})
{
next if $dep eq 'perl';
my $ver = $meta->{prereqs}{$stage}{requires}{$dep};
$r{$dep} = $ver if !exists($r{$dep}) || $ver >= $r{$dep};
}
}
\%r;
}
my ($build_requires, $configure_requires, $runtime_requires, $test_requires);
if ($EUMM >= 6.6303)
{
$WriteMakefileArgs{BUILD_REQUIRES} ||= deps('build');
$WriteMakefileArgs{CONFIGURE_REQUIRES} ||= deps('configure');
$WriteMakefileArgs{TEST_REQUIRES} ||= deps('test');
$WriteMakefileArgs{PREREQ_PM} ||= deps('runtime');
}
elsif ($EUMM >= 6.5503)
{
$WriteMakefileArgs{BUILD_REQUIRES} ||= deps('build', 'test');
$WriteMakefileArgs{CONFIGURE_REQUIRES} ||= deps('configure');
$WriteMakefileArgs{PREREQ_PM} ||= deps('runtime');
}
elsif ($EUMM >= 6.52)
{
$WriteMakefileArgs{CONFIGURE_REQUIRES} ||= deps('configure');
$WriteMakefileArgs{PREREQ_PM} ||= deps('runtime', 'build', 'test');
}
else
{
$WriteMakefileArgs{PREREQ_PM} ||= deps('configure', 'build', 'test', 'runtime');
}
{
my ($minperl) = reverse sort(
grep defined && /^[0-9]+(\.[0-9]+)?$/,
map $meta->{prereqs}{$_}{requires}{perl},
qw( configure build runtime )
);
if (defined($minperl))
{
die "Installing $meta->{name} requires Perl >= $minperl"
unless $] >= $minperl;
$WriteMakefileArgs{MIN_PERL_VERSION} ||= $minperl
if $EUMM >= 6.48;
}
}
sub FixMakefile
{
return unless -d 'inc';
my $file = shift;
local *MAKEFILE;
open MAKEFILE, "< $file" or die "FixMakefile: Couldn't open $file: $!; bailing out";
my $makefile = do { local $/; };
close MAKEFILE or die $!;
$makefile =~ s/\b(test_harness\(\$\(TEST_VERBOSE\), )/$1'inc', /;
$makefile =~ s/( -I\$\(INST_ARCHLIB\))/ -Iinc$1/g;
$makefile =~ s/( "-I\$\(INST_LIB\)")/ "-Iinc"$1/g;
$makefile =~ s/^(FULLPERL = .*)/$1 "-Iinc"/m;
$makefile =~ s/^(PERL = .*)/$1 "-Iinc"/m;
open MAKEFILE, "> $file" or die "FixMakefile: Couldn't open $file: $!; bailing out";
print MAKEFILE $makefile or die $!;
close MAKEFILE or die $!;
}
my $mm = WriteMakefile(%WriteMakefileArgs);
FixMakefile($mm->{FIRST_MAKEFILE} || 'Makefile');
exit(0);
README 000664 001750 001750 10716 12404711210 14145 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 NAME
RDF::Query::Client - get data from W3C SPARQL Protocol 1.0 servers
SYNOPSIS
use RDF::Query::Client;
my $query = RDF::Query::Client
->new('SELECT DISTINCT ?s WHERE { ?s ?p ?o . }');
my $iterator = $query->execute('http://example.com/sparql');
while (my $row = $iterator->next) {
print $row->{s}->as_string;
}
DESCRIPTION
Constructor
`new ( $sparql, \%opts )`
Returns a new RDF::Query::Client object for the specified $sparql. The
object's interface is designed to be roughly compatible with
RDF::Query objects, though RDF::Query is not required by this module.
Options include:
UserAgent - an LWP::UserAgent to handle HTTP requests.
Unlike RDF::Query, where you get a choice of query language, the query
language for RDF::Query::Client is always 'sparql'.
RDF::TrineShortcuts offers a way to perform RDQL queries on remote
SPARQL stores though (by transforming RDQL to SPARQL).
Public Methods
`execute ( $endpoint, \%opts )`
$endpoint is a URI object or string containing the endpoint URI to be
queried.
Options include:
* UserAgent - an LWP::UserAgent to handle HTTP requests.
* QueryMethod - 'GET', 'POST', 'PATCH' or undef (automatic).
* QueryParameter - defaults to 'query'.
* AuthUsername - HTTP Basic authorization.
* AuthPassword - HTTP Basic authorization.
* Headers - additional headers to include (hashref).
* Parameters - additional GET/POST fields to include (hashref).
* ContentType - 'application/sparql-query',
'application/sparql-update' or 'application/x-www-form-urlencoded'
(default).
Returns undef on error; an RDF::Trine::Iterator if called in a scalar
context; an array obtained by calling `get_all` on the iterator if
called in list context.
`discover_execute( $resource_uri, \%opts )`
Experimental feature. Discovers a SPARQL endpoint relevant to
$resource_uri and then calls `$query->execute` against that. Uses an
LRDD-like method to discover the endpoint. If you're publishing data
and want people to be able to find your SPARQL endpoint automatically,
the easiest way is to include an Link header in HTTP responses:
Link: ; rel="http://ontologi.es/sparql#endpoint"
Change the URL in the angled brackets, but not the URL in the rel
string.
This feature requires the HTTP::LRDD package to be installed.
`get ( $endpoint, \%opts )`
Executes the query using the specified endpoint, and returns the first
matching row as a LIST of values. Takes the same arguments as
`execute`.
`as_sparql`
Returns the query as a string in the SPARQL syntax.
`useragent`
Returns the LWP::UserAgent object used for retrieving web content.
`http_response`
Returns the last HTTP Response the client experienced.
`error`
Returns the last error the client experienced.
Security
The `execute` and `get` methods allow AuthUsername and AuthPassword
options to be passed to them for HTTP Basic authentication. For more
complicated authentication (Digest, OAuth, Windows, etc), it is also
possible to pass these methods a customised LWP::UserAgent.
If you have the Crypt::SSLeay package installed, requests to HTTPS
endpoints should work. It's possible to specify a client X.509 certificate
(e.g. for WebID authentication) by setting particular environment
variables. See Crypt::SSLeay documentation for details.
BUGS
Probably.
Please report any you find here:
.
SEE ALSO
* RDF::Trine, RDF::Trine::Iterator
* RDF::Query
* LWP::UserAgent
*
*
*
AUTHOR
Toby Inkster,
COPYRIGHT AND LICENSE
Copyright (C) 2009-2013 by Toby Inkster
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
DISCLAIMER OF WARRANTIES
THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
SIGNATURE 000664 001750 001750 3134 12404711217 14534 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 This file contains message digests of all files listed in MANIFEST,
signed via the Module::Signature module, version 0.73.
To verify the content in this distribution, first make sure you have
Module::Signature installed, then type:
% cpansign -v
It will check each file's integrity, as well as the signature's
validity. If "==> Signature verified OK! <==" is not displayed,
the distribution may already have been compromised, and you should
not run its Makefile.PL or Build.PL.
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dist.ini 000664 001750 001750 101 12404711210 14654 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 ;;class='Dist::Inkt::Profile::TOBYINK'
;;name='RDF-Query-Client'
doap.ttl 000664 001750 001750 40324 12404711216 14741 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114 @prefix dc: .
@prefix doap: .
@prefix doap-bugs: .
@prefix doap-changeset: .
@prefix doap-deps: .
@prefix foaf: .
@prefix owl: .
@prefix rdfs: .
@prefix xsd: .
a doap:Project;
dc:contributor ;
doap-bugs:issue , ;
doap-deps:runtime-recommendation [ doap-deps:on "HTTP::LRDD"^^doap-deps:CpanId ];
doap-deps:runtime-requirement [ doap-deps:on "HTTP::Request"^^doap-deps:CpanId ], [ doap-deps:on "LWP::UserAgent"^^doap-deps:CpanId ], [ doap-deps:on "RDF::Trine 0.133"^^doap-deps:CpanId ], [ doap-deps:on "URI::Escape"^^doap-deps:CpanId ], [
doap-deps:on "namespace::clean 0.20"^^doap-deps:CpanId;
];
doap-deps:test-requirement [
doap-deps:on "Test::RequiresInternet"^^doap-deps:CpanId;
], [ doap-deps:on "Test::More 0.61"^^doap-deps:CpanId ];
doap:bug-database ;
doap:category [ rdfs:label "REST" ], [ rdfs:label "SPARQL" ], [ rdfs:label "RDF" ], [ rdfs:label "Query" ], [ rdfs:label "Protocol" ], [ rdfs:label "HTTP" ];
doap:created "2009-11-10"^^xsd:date;
doap:developer ;
doap:documenter ;
doap:download-page ;
doap:homepage ;
doap:license ;
doap:maintainer ;
doap:name "RDF-Query-Client";
doap:programming-language "Perl";
doap:release , , , , , , , , , , , , , , , , , , , ;
doap:repository [
a doap:GitRepository;
doap:browse ;
];
doap:shortdesc "get data from W3C SPARQL Protocol 1.0 servers"@en;
doap:tester .
a doap:Version;
dc:issued "2009-11-10"^^xsd:date;
doap:file-release ;
doap:revision "0.01"^^xsd:string;
rdfs:comment "Original version"@en.
a doap:Version;
dc:issued "2009-11-12"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Addition;
rdfs:label "Support for HTTP Basic Auth";
], [ rdfs:label "Add security notes to documentation" ], [
a doap-changeset:Addition;
rdfs:label "Implement get() method";
], [ rdfs:label "lib/RDF/Query/Client.pm: use 5.006" ];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.02"^^xsd:string.
a doap:Version;
dc:issued "2009-12-07"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
rdfs:label "Makefile.PL compatibility with earlier Perl versions.";
], [
rdfs:label "Remove documentation for RDF::Query-compatible stub functions; issue warnings when they're called.";
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.03"^^xsd:string.
a doap:Version;
dc:issued "2010-01-27"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Update;
rdfs:label "Use my new build system.";
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.04"^^xsd:string.
a doap:Version;
dc:issued "2010-03-20"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Update;
rdfs:label "Test script now checks HTTP connectivity to sparql.org before using it for tests.";
], [ rdfs:label "Minor documentation improvements." ];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.05"^^xsd:string.
a doap:Version;
dc:issued "2010-06-30"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Addition;
rdfs:label "Automatic endpoint discovery."@en;
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.100"^^xsd:string.
a doap:Version;
dc:issued "2010-07-03"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Bugfix;
rdfs:label "Possibly this will fix some cpan-tester fails, though I'm not entirely sure."@en;
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.101"^^xsd:string.
a doap:Version;
dc:issued "2010-07-07"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Bugfix;
rdfs:label "Construct HTTP::LRDD object just in time."@en;
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.102"^^xsd:string.
a doap:Version;
dc:issued "2010-07-08"^^xsd:date;
doap-changeset:changeset [
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a doap-changeset:Bugfix;
rdfs:label "use Scalar::Util qw'blessed'"@en;
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.103"^^xsd:string.
a doap:Version;
dc:issued "2011-02-23"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
rdfs:label "Accept (and prefer) JSON results format."@en;
], [ rdfs:label "Clean up media-type handling."@en ], [
rdfs:label "Delegate media-type-to-parser mapping to RDF::Trine."@en;
];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.104"^^xsd:string.
a doap:Version;
dc:issued "2011-03-04"^^xsd:date;
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doap-changeset:item [ rdfs:label "Fix annoying warning message."@en ];
doap-changeset:versus ;
];
doap:file-release ;
doap:revision "0.105"^^xsd:string.
a doap:Version;
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], [ rdfs:label "Support HTTP 'PATCH' method."@en ], [ rdfs:label "General tidy-up."@en ], [
a doap-changeset:Update;
rdfs:label "use 5.010"@en;
], [
a doap-changeset:Packaging;
rdfs:label "Module::Package::RDF"@en;
];
doap-changeset:versus ;
];
doap:file-release ;
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a doap:Version;
dc:issued "2011-12-03"^^xsd:date;
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];
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];
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a doap:Version;
dc:issued "2012-02-08"^^xsd:date;
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a doap-changeset:Update;
rdfs:label "Stop using deprecated UNIVERSAL::AUTHORITY."@en;
doap-changeset:blame [ foaf:name "Jonas Smedegaard" ];
];
doap-changeset:versus ;
];
doap:file-release ;
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a doap:Version;
dc:issued "2012-02-08"^^xsd:date;
doap-changeset:changeset [
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doap-changeset:versus ;
];
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a doap:Version;
dc:issued "2012-03-13"^^xsd:date;
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];
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];
doap:file-release ;
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dc:issued "2013-07-02"^^xsd:date;
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];
doap-changeset:versus ;
];
doap:file-release ;
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a doap:Version;
dc:issued "2013-07-16"^^xsd:date;
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a doap-changeset:Change;
rdfs:label "Prefer SPARQL results in XML over JSON. (This partially rolls back a change from 0.104.)"@en;
];
doap-changeset:versus ;
];
doap:file-release ;
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a doap:Version;
dc:identifier "RDF-Query-Client-0.113"^^xsd:string;
dc:issued "2014-09-10"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Packaging;
rdfs:label "Switch to Dist::Inkt.";
];
];
doap-changeset:released-by ;
doap:file-release ;
doap:revision "0.113"^^xsd:string.
a doap:Version;
dc:identifier "RDF-Query-Client-0.114"^^xsd:string;
dc:issued "2014-09-13"^^xsd:date;
doap-changeset:changeset [
doap-changeset:item [
a doap-changeset:Change;
rdfs:label "Drop dependency on Role::Commons.";
], [
a doap-changeset:Tests;
rdfs:label "Use Test::RequiresInternet.";
], [
a doap-changeset:Change;
rdfs:label "General tidy up.";
];
];
doap-changeset:released-by ;
doap:file-release ;
doap:revision "0.114"^^xsd:string.
a doap-bugs:Issue;
rdfs:label "accepted ContentType does not include sparql-results+xml";
dc:created "2012-02-01T16:52:08"^^xsd:dateTime;
dc:modified "2012-02-07T09:56:40"^^xsd:dateTime;
doap-bugs:assignee _:B1;
doap-bugs:id "74592"^^xsd:string;
doap-bugs:page ;
doap-bugs:reporter [
a foaf:Agent;
foaf:mbox ;
];
doap-bugs:status .
a doap-bugs:Issue;
rdfs:label "test failure due to change in sparql resource location";
dc:created "2012-03-10T19:30:54"^^xsd:dateTime;
dc:modified "2012-03-13T17:24:24"^^xsd:dateTime;
doap-bugs:assignee _:B1;
doap-bugs:id "75676"^^xsd:string;
doap-bugs:page ;
doap-bugs:reporter [
a foaf:Agent;
foaf:mbox ;
];
doap-bugs:status .
a foaf:Person;
foaf:homepage ;
foaf:mbox ;
foaf:name "Toby Inkster";
foaf:page ;
owl:sameAs .
_:B1
a foaf:Agent;
foaf:nick "TOBYINK".
example1.pl 000664 001750 001750 3064 12404711210 17132 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114/examples #!/usr/bin/perl
use strict;
use warnings;
use lib 'lib/';
use feature ":5.10";
use RDF::Query::Client;
use Data::Dumper;
my $sparql_ask
= "PREFIX dc: \n"
. "ASK WHERE { ?book dc:title ?title . }" ;
my $sparql_select
= "PREFIX dc: \n"
. "SELECT * WHERE { ?book dc:title ?title . } ORDER BY ?book" ;
my $sparql_construct
= "PREFIX dc: \n"
. "CONSTRUCT { ?book ?title . }\n"
. "WHERE { ?book dc:title ?title . }" ;
my $q_ask = new RDF::Query::Client($sparql_ask);
my $q_select = new RDF::Query::Client($sparql_select);
my $q_construct = new RDF::Query::Client($sparql_construct);
my $r_ask = $q_ask->execute('http://sparql.org/books')
or die $q_ask->error;
my $r_select = $q_select->execute('http://sparql.org/books')
or die $q_select->error;
my $r_construct = $q_construct->execute('http://sparql.org/books')
or die $q_construct->error;
say "ASK results in a boolean"
if $r_ask->is_boolean;
say $r_ask->get_boolean ? 'true' : 'false';
say "====";
say "SELECT results in bindings"
if $r_select->is_bindings;
while (my $row = $r_select->next)
{
foreach my $k (keys %$row)
{
my $v = $row->{$k};
say sprintf("%s=%s", $k, $v->as_string);
}
say "--";
}
say "====";
say "CONSTRUCT results in a graph"
if $r_construct->is_graph;
while (my $row = $r_construct->next)
{
say $row->as_string;
}
say "====";
say "Testing get()";
my @list = $q_select->get('http://sparql.org/books');
print Dumper(\@list);
say "====";
01basic.t 000664 001750 001750 3005 12404711210 15110 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114/t use LWP::UserAgent;
use Test::RequiresInternet 'sparql.org' => 80;
use Test::More tests => 5;
BEGIN { use_ok('RDF::Query::Client') };
SKIP:
{
my $response = LWP::UserAgent
-> new
-> get('http://sparql.org/books/sparql?query=SELECT+*+{$s+$p+$o}');
unless ($response->is_success)
{
diag $response->as_string;
skip "need network access and ability to connect to sparql.org", 4;
}
my $sparql_ask
= "PREFIX dc: \n"
. "ASK WHERE { ?book dc:title ?title . }" ;
my $sparql_select
= "PREFIX dc: \n"
. "SELECT * WHERE { ?book dc:title ?title . }" ;
my $sparql_construct
= "PREFIX dc: \n"
. "CONSTRUCT { ?book ?title . }\n"
. "WHERE { ?book dc:title ?title . }" ;
my $q_ask = new RDF::Query::Client($sparql_ask);
my $q_select = new RDF::Query::Client($sparql_select);
my $q_construct = new RDF::Query::Client($sparql_construct);
my $r_ask = $q_ask->execute('http://sparql.org/books/sparql');
my $r_select = $q_select->execute('http://sparql.org/books/sparql');
my $r_construct = $q_construct->execute('http://sparql.org/books/sparql');
ok($r_ask->is_boolean, "ASK results in a boolean");
ok($r_select->is_bindings, "SELECT results in bindings");
ok($r_construct->is_graph, "CONSTRUCT results in a graph");
ok($r_ask->get_boolean, "ASK results as expected");
diag("You can safely ignore warnings from DBD about tables being locked.\n");
}
Client.pm 000664 001750 001750 25652 12404711210 17334 0 ustar 00tai tai 000000 000000 RDF-Query-Client-0.114/lib/RDF/Query use 5.010;
use strict;
use warnings;
package RDF::Query::Client;
BEGIN {
$RDF::Query::Client::AUTHORITY = 'cpan:TOBYINK';
$RDF::Query::Client::VERSION = '0.114';
}
use Carp 0 qw/carp/;
use LWP::UserAgent 0 qw//;
use RDF::Trine 0.133 qw//;
use Scalar::Util 0 qw/blessed/;
use URI::Escape 0 qw/uri_escape/;
use namespace::clean;
sub new
{
my $class = shift;
my ($query, $opts) = @_;
bless {
query => $query ,
useragent => ($opts->{UserAgent} // undef) ,
results => [] ,
error => undef ,
}, $class;
}
sub execute
{
my $self = shift;
my ($endpoint, $opts) = @_;
my $ua = $opts->{UserAgent} // $self->useragent;
my $request = $self->_prepare_request($endpoint, $opts);
my $response = $ua->request($request);
push @{ $self->{results} }, { response => $response };
my $iterator = $self->_create_iterator($response);
return unless defined $iterator;
$self->{results}[-1]{iterator} = $iterator;
wantarray ? $iterator->get_all : $iterator;
}
our $LRDD;
sub discover_execute
{
my $self = shift;
my ($resource_uri, $opts) = @_;
unless ($LRDD)
{
no warnings;
eval 'use HTTP::LRDD;';
eval
{
$LRDD = HTTP::LRDD->new('http://ontologi.es/sparql#endpoint', 'http://ontologi.es/sparql#fingerpoint')
if HTTP::LRDD->can('new');
};
}
unless (blessed($LRDD) and $LRDD->isa('HTTP::LRDD'))
{
$self->{error} = "Need HTTP::LRDD to use the discover_execute feature.";
return;
}
my $endpoint = $LRDD->discover($resource_uri)
or return;
return $self->execute($endpoint, $opts);
}
sub get
{
my $self = shift;
my $stream = $self->execute(@_);
if (ref $stream)
{
if ($stream->is_bindings)
{
my $row = $stream->next;
return $stream->binding_values;
}
if ($stream->is_graph)
{
my $st = $stream->next;
return ($st->subject, $st->predicate, $st->object);
}
if ($stream->is_boolean)
{
my @rv;
push @rv, 1 if $stream->get_boolean;
return @rv;
}
}
return;
}
sub as_sparql
{
return (shift)->{query};
}
sub http_response
{
return (shift)->{results}[-1]{response};
}
sub error
{
return (shift)->{error};
}
sub prepare { carp "Method not implemented"; }
sub execute_plan { carp "Method not implemented"; }
sub execute_with_named_graphs { carp "Method not implemented"; }
sub aggregate { carp "Method not implemented"; }
sub pattern { carp "Method not implemented"; }
sub sse { carp "Method not implemented"; }
sub algebra_fixup { carp "Method not implemented"; }
sub add_function { carp "Method not implemented"; }
sub supported_extensions { carp "Method not implemented"; }
sub supported_functions { carp "Method not implemented"; }
sub add_computed_statement_generator { carp "Method not implemented"; }
sub get_computed_statement_generators { carp "Method not implemented"; }
sub net_filter_function { carp "Method not implemented"; }
sub add_hook_once { carp "Method not implemented"; }
sub add_hook { carp "Method not implemented"; }
sub parsed { carp "Method not implemented"; }
sub bridge { carp "Method not implemented"; }
sub log { carp "Method not implemented"; }
sub logger { carp "Method not implemented"; }
sub costmodel { carp "Method not implemented"; }
sub useragent
{
my $self = shift;
unless (defined $self->{useragent})
{
my $accept = join q{, } => (
'application/sparql-results+xml',
'application/sparql-results+json;q=0.9',
'application/rdf+xml',
'application/x-turtle',
'text/turtle',
);
my $agent = sprintf(
'%s/%s (%s) ',
__PACKAGE__,
__PACKAGE__->VERSION,
do { no strict "refs"; ${ref($self)."::AUTHORITY"} },
);
$self->{useragent} = LWP::UserAgent->new(
agent => $agent,
max_redirect => 2,
parse_head => 0,
protocols_allowed => [qw/http https/],
);
$self->{useragent}->default_header(Accept => $accept);
}
$self->{useragent};
}
sub _prepare_request
{
my $self = shift;
my ($endpoint, $opts) = @_;
my $method = uc($opts->{QueryMethod} // '');
if ($method !~ /^(get|post|patch)$/i)
{
$method = (length $self->{'query'} > 511) ? 'POST' : 'GET';
}
my $param = $opts->{QueryParameter} // 'query';
my $uri = '';
my $cnt = '';
if ($method eq 'GET')
{
$uri = $endpoint . ($endpoint =~ /\?/ ? '&' : '?');
$uri .= sprintf(
"%s=%s",
uri_escape($param),
uri_escape($self->{query})
);
if ($opts->{Parameters})
{
foreach my $field (keys %{$opts->{Parameters}})
{
$uri .= sprintf(
"&%s=%s",
uri_escape($field),
uri_escape($opts->{Parameters}->{$field}),
);
}
}
}
elsif ($method eq 'POST')
{
$uri = $endpoint;
$cnt = sprintf(
"%s=%s",
uri_escape($param),
uri_escape($self->{query})
);
if ($opts->{Parameters})
{
foreach my $field (keys %{$opts->{Parameters}})
{
$cnt .= sprintf(
"&%s=%s",
uri_escape($field),
uri_escape($opts->{Parameters}{$field}),
);
}
}
}
my $req = HTTP::Request->new($method => $uri);
my $type = $opts->{ContentType} // '';
if ($type =~ m{^application/sparql-query}i)
{
$req->content_type('application/sparql-query');
$req->content($self->{query});
}
elsif ($type =~ m{^application/sparql-update}i)
{
$req->content_type('application/sparql-update');
$req->content($self->{query});
}
else
{
$req->content_type('application/x-www-form-urlencoded');
$req->content($cnt);
}
$req->authorization_basic($opts->{AuthUsername}, $opts->{AuthPassword})
if defined $opts->{AuthUsername};
foreach my $k (keys %{$opts->{Headers}})
{
$req->header($k => $opts->{Headers}{$k});
}
$req;
}
sub _create_iterator
{
my $self = shift;
my ($response) = @_;
unless ($response->is_success)
{
$self->{error} = $response->message;
return;
}
if ($response->content_type =~ /sparql.results/)
{
local $@ = undef;
my $iterator = eval
{
if ($response->content_type =~ /json/)
{ RDF::Trine::Iterator->from_json($response->decoded_content); }
else
{ RDF::Trine::Iterator->from_string($response->decoded_content); }
};
return $iterator
if $iterator;
$self->{error} = $@;
return;
}
else
{
my $model;
eval
{
my $parser = RDF::Trine::Parser->parser_by_media_type($response->content_type);
my $tmp = RDF::Trine::Model->temporary_model;
$parser->parse_into_model($response->base, $response->decoded_content, $tmp);
$model = $tmp;
};
return $model->as_stream if defined $model;
$self->{error} = sprintf("Response of type '%s' could not be parsed.", $response->content_type);
return;
}
}
1;
__END__
=pod
=encoding utf8
=begin stopwords
'sparql'
application/sparql-query
application/sparql-update
application/x-www-form-urlencoded
rel
WebID
=end stopwords
=head1 NAME
RDF::Query::Client - get data from W3C SPARQL Protocol 1.0 servers
=head1 SYNOPSIS
use RDF::Query::Client;
my $query = RDF::Query::Client
->new('SELECT DISTINCT ?s WHERE { ?s ?p ?o . }');
my $iterator = $query->execute('http://example.com/sparql');
while (my $row = $iterator->next) {
print $row->{s}->as_string;
}
=head1 DESCRIPTION
=head2 Constructor
=over 4
=item C<< new ( $sparql, \%opts ) >>
Returns a new RDF::Query::Client object for the specified C<$sparql>.
The object's interface is designed to be roughly compatible with RDF::Query
objects, though RDF::Query is not required by this module.
Options include:
=over 4
=item B - an LWP::UserAgent to handle HTTP requests.
=back
Unlike RDF::Query, where you get a choice of query language, the query
language for RDF::Query::Client is always 'sparql'. RDF::TrineShortcuts offers
a way to perform RDQL queries on remote SPARQL stores though (by transforming
RDQL to SPARQL).
=back
=head2 Public Methods
=over 4
=item C<< execute ( $endpoint, \%opts ) >>
C<$endpoint> is a URI object or string containing the endpoint
URI to be queried.
Options include:
=over 4
=item * B - an LWP::UserAgent to handle HTTP requests.
=item * B - 'GET', 'POST', 'PATCH' or undef (automatic).
=item * B - defaults to 'query'.
=item * B - HTTP Basic authorization.
=item * B - HTTP Basic authorization.
=item * B - additional headers to include (hashref).
=item * B - additional GET/POST fields to include (hashref).
=item * B - 'application/sparql-query',
'application/sparql-update' or 'application/x-www-form-urlencoded' (default).
=back
Returns undef on error; an RDF::Trine::Iterator if called in a
scalar context; an array obtained by calling C on the
iterator if called in list context.
=item C<< discover_execute( $resource_uri, \%opts ) >>
Experimental feature. Discovers a SPARQL endpoint relevant to $resource_uri
and then calls C<< $query->execute >> against that. Uses an LRDD-like
method to discover the endpoint. If you're publishing data and want people
to be able to find your SPARQL endpoint automatically, the easiest way is to
include an Link header in HTTP responses:
Link: ; rel="http://ontologi.es/sparql#endpoint"
Change the URL in the angled brackets, but not the URL in the rel string.
This feature requires the HTTP::LRDD package to be installed.
=item C<< get ( $endpoint, \%opts ) >>
Executes the query using the specified endpoint, and returns the first
matching row as a LIST of values. Takes the same arguments as C.
=item C<< as_sparql >>
Returns the query as a string in the SPARQL syntax.
=item C<< useragent >>
Returns the LWP::UserAgent object used for retrieving web content.
=item C<< http_response >>
Returns the last HTTP Response the client experienced.
=item C<< error >>
Returns the last error the client experienced.
=back
=head2 Security
The C and C methods allow AuthUsername and
AuthPassword options to be passed to them for HTTP Basic authentication.
For more complicated authentication (Digest, OAuth, Windows, etc),
it is also possible to pass these methods a customised LWP::UserAgent.
If you have the Crypt::SSLeay package installed, requests to HTTPS
endpoints should work. It's possible to specify a client X.509
certificate (e.g. for WebID authentication) by setting particular
environment variables. See L documentation for details.
=head1 BUGS
Probably.
Please report any you find here:
L.
=head1 SEE ALSO
=over 4
=item * L, L
=item * L
=item * L
=item * L
=item * L
=item * L
=back
=head1 AUTHOR
Toby Inkster, Etobyink@cpan.orgE
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2009-2013 by Toby Inkster
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=head1 DISCLAIMER OF WARRANTIES
THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
=cut