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68 lines
2.0 KiB
Perl
68 lines
2.0 KiB
Perl
# File: Wolfram.pm
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#
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# Purpose: Query Wolfram|Alpha's Short Answers API.
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# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
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# SPDX-License-Identifier: MIT
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package PBot::Plugin::Wolfram;
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use parent 'PBot::Plugin::Base';
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use PBot::Imports;
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use LWP::UserAgent::Paranoid;
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use URI::Escape qw/uri_escape_utf8/;
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sub initialize {
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my ($self, %conf) = @_;
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# add default registry entry for `wolfram.appid`
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$self->{pbot}->{registry}->add_default('text', 'wolfram', 'appid', '');
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# make `wolfram.appid` registry entry private by default
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$self->{pbot}->{registry}->set_default('wolfram', 'appid', 'private', 1);
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# add wolfram command
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$self->{pbot}->{commands}->add(
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name => 'wolfram',
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help => 'Queries Wolfram|Alpha Short Answers API',
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subref => sub { $self->cmd_wolfram(@_) },
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);
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}
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sub unload {
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my ($self) = @_;
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$self->{pbot}->{commands}->remove('wolfram');
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}
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sub cmd_wolfram {
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my ($self, $context) = @_;
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return "Usage: wolfram <query>\n" if not length $context->{arguments};
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my $appid = $self->{pbot}->{registry}->get_value('wolfram', 'appid');
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if (not length $appid) {
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return "$context->{nick}: Registry item wolfram.appid is not set. See https://developer.wolframalpha.com/portal/myapps to get an appid.";
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}
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my $question = uri_escape_utf8 $context->{arguments};
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my $units = uri_escape_utf8 ($self->{pbot}->{users}->get_user_metadata($context->{from}, $context->{hostmask}, 'units') // 'metric');
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my $ua = LWP::UserAgent::Paranoid->new(agent => 'Mozilla/5.0', request_timeout => 10);
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my $response = $ua->get("https://api.wolframalpha.com/v1/result?appid=$appid&i=$question&units=$units&timeout=10");
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if ($response->is_success) {
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return "$context->{nick}: " . $response->decoded_content;
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}
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elsif ($response->code == 501) {
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return "$context->{nick}: I don't know what that means.";
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}
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else {
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return "$context->{nick}: Failed to query Wolfram|Alpha: " . $response->status_line;
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}
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}
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1;
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