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LWP-UserAgent-Throttled-0.06
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 / LWP::UserAgent::Throttled

NAME

LWP::UserAgent::Throttled - Throttle requests to a site

VERSION

Version 0.06

SYNOPSIS

Some sites with REST APIs, such as openstreetmap.org, will blacklist you if you do too many requests. LWP::UserAgent::Throttled is a sub-class of LWP::UserAgent.

    use LWP::UserAgent::Throttled;
    my $ua = LWP::UserAgent::Throttled->new();
    $ua->throttle({ 'www.example.com' => 5 });
    print $ua->get('http://www.example.com');
    sleep (2);
    print $ua->get('http://www.example.com');   # Will wait at least 3 seconds before the GET is sent

SUBROUTINES/METHODS

send_request

See LWP::UserAgent.

throttle

Get/set the number of seconds between each request for sites.

    my $ua = LWP::UserAgent::Throttled->new();
    $ua->throttle({ 'search.cpan.org' => 0.1, 'www.example.com' => 1 });
    print $ua->throttle('search.cpan.org'), "\n";    # prints 0.1
    print $ua->throttle('perl.org'), "\n";    # prints 0

AUTHOR

Nigel Horne, <njh at bandsman.co.uk>

BUGS

There is one global throttle level, so you can't have different levels for different sites.

SEE ALSO

LWP::UserAgent

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc LWP::UserAgent::Throttled

You can also look for information at:

LICENSE AND COPYRIGHT

Copyright 2017 Nigel Horne.

This program is released under the following licence: GPL2