Redefined import method and EXPORT not working

Anonymous Monk has asked for the wisdom of the Perl Monks concerning the following question:

I redefined the import method of a module

package M1;
use parent qw(Exporter);
our @EXPORT;
sub func{print "Hello"}
sub import{print "Imported";@EXPORT=qw(func)}
1;
[download]

And EXPORT is not working

perl -I. -le 'use M1;func()'
Imported
Undefined subroutine &main::func called at -e line 1.
[download]

But when I don't redefine import function, EXPORT works fine

package M1;
use parent qw(Exporter);
our @EXPORT;
sub func{print "Hello"}
#sub import{print "Imported";@EXPORT=qw(func)}
1;
[download]

perl -I. -le 'use M1;func()'
Hello
[download]

How can I get both redefining import and EXPORT to work?

Comment on Redefined import method and EXPORT not working Select or Download Code

Replies are listed 'Best First'.
Re: Redefined import method and EXPORT not working by Corion (Patriarch) on Dec 22, 2014 at 08:11 UTC
`@EXPORT` is not magical. It's just a variable. All the magic must happen in `import`. The easiest approach would be to use `Exporter::import`, and stash that away and at the end, pass control to it: `use vars qw(@EXPORT $orig_import); use Exporter 'import'; sub my_import { print "Imported\n"; goto &$orig_import; }; BEGIN { # Install our own import routine over import: $orig_import= \&import; *import= \&my_import; };` [download]	[reply] [d/l] [select]
Re^2: Redefined import method and EXPORT not working by tobyink (Canon) on Dec 22, 2014 at 11:03 UTC
That seems like an over-complicated way of doing: `use Exporter (); sub import { print "Imported\n"; goto \&Exporter::import; }` [download] toby döt ink	[reply] [d/l]
Re^3: Redefined import method and EXPORT not working by Anonymous Monk on Jan 10, 2017 at 16:01 UTC
Great!	[reply]
Re^2: Redefined import method and EXPORT not working by Anonymous Monk on Dec 22, 2014 at 09:44 UTC
That worked `package M1; use parent qw(Exporter); @EXPORT=qw(func); sub func{print "Hello"} sub import{ print "Imported"; print @_; M1->export_to_level(1,@_)} 1;` [download] `perl -I. -we 'use M1 qw(func);func()'` [download]	[reply] [d/l] [select]
Re^3: Redefined import method and EXPORT not working by Corion (Patriarch) on Dec 22, 2014 at 14:10 UTC
Please, don't inherit from Exporter. Just use `use Exporter 'import';`. Inheritance as a way of getting access to methods of a module is not what I consider a clean approach.	[reply] [d/l]