/usr/share/perl5/Event/ExecFlow.pm is in libevent-execflow-perl 0.64-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | package Event::ExecFlow;
$VERSION = "0.64";
sub import {
my $class = shift;
my ($domain) = @_;
$domain ||= "event.execflow";
$Event::ExecFlow::locale_textdomain = $domain;
require Event::ExecFlow::Frontend;
require Event::ExecFlow::Callbacks;
require Event::ExecFlow::Job::Command;
require Event::ExecFlow::Job::Group;
require Event::ExecFlow::Job::Code;
1;
}
$Event::ExecFlow::DEBUG = 0;
1;
__END__
=head1 NAME
Event::ExecFlow - High level API for event-based execution flow control
=head1 NOTE
This is release has nearly no documentation yet.
If you're interested in the details please contact the author.
=head1 ABSTRACT
Event::ExecFlow provides a ligh level API for defining complex flow controls with asynchronous execution of external programs.
=head1 SYNOPSIS
use Event::ExecFlow;
my $job = Event::ExecFlow::Job::Group->new (
jobs => [
Event::ExecFlow::Job::Command->new (
name => "transcode",
title => "Transcoding DVD title to OGG",
command => "transcode -i /dev/dvd ...",
fetch_output => 1,
progress_max => 4711, # number of frames
progress_parser => sub {
my ($job, $buffer) = @_;
$job->set_progress_cnt($1) if $buffer =~ /\[\d+-(\d+)\]/;
#-- or simply write this:
#-- progress_parser => qr/\[\d+-(\d+)\]/,
},
),
Event::ExecFlow::Job::Code->new (
name => "checks",
title => "Do some checks",
depends_on => [ "transcode" ],
code => sub {
my ($job) = @_;
my $transcode = $job->get_group->get_job_by_name("transcode");
if ( $transcode->get_output !~ /.../ ) {
$job->set_error_message("XY check failed");
}
#-- this could be done easier as a post_callback added to
#-- the "transcode" job above, but it's nevertheless a good
#-- example for the 'Code' job type and shows how jobs can
#-- interfere with each other.
},
),
Event::ExecFlow::Job::Command->new (
title => "Muxing OGG file",
depends_on => [ "checks" ],
command => "ogmmerge ...",
no_progress => 1,
),
],
);
#-- this inherits from Event::ExecFlow::Frontend
my $frontend = Video::DVDRip::GUI::ExecFlow->new(...);
$frontend->start_job($job);
=head1 DESCRIPTION
Event::ExecFlow offers a high level API to declare jobs, which mainly execute external commands, parse their output to get progress or other status information, triggers actions when the command has been finished etc. Such jobs can be chained together in a recursive fashion to fulfill rather complex tasks which consist of many jobs.
Additionally it defines an extensible API for communication with the frontend application, which may be a written using Gtk2, Tk or Qt or is a simple text console program.
In case of Gtk2 a custom widget for displaying an Event::ExecFlow job plan, including progress updates, is shipped with the Gtk2::Ex::FormFactory package.
=head1 REQUIREMENTS
Event::ExecFlow requires the follwing Perl modules:
AnyEvent >= 0.04
Locale::TextDomain
Test::More
=head1 INSTALLATION
You get the latest installation tarballs and online documentation
at this location:
http://www.exit1.org/Event-ExecFlow/
If your system meets the requirements mentioned above, installation
is just:
perl Makefile.PL
make test
make install
=head1 AUTHORS
Jörn Reder <joern at zyn dot de>
=head1 COPYRIGHT AND LICENSE
Copyright 2005-2006 by Jörn Reder.
This library is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.
=cut
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