Well today’s blog was suppose to be me looking at some of the MooseXs I reviewed the other day. However I seems that Moose has moved quite foreword since the last time I did a new install and it seems I was getting 'Class::MOP::load_class is deprecated' in almost every thing I wanted to play with.
Well had a quick look at my Moose version was quite out of date. I had 2.06 or alike and I see now there is a shiny new 2.2009 release that is less than a month old so in that goes.
Well with the regular rigamarole I tried to reinstall my Moose and it crashed then my Padre stopped working. So I am thinking it is going to be one of those days where not much get accomplished.
Have you ever grabbed an Int and thought, "Boy! I sure would enjoy having an .even method on it!" Before you beg the core developers on IRC to add it to Perl 6, let's review some user-space recourse available to you.
My Grandpa Left Me a Fortune
One way to go is to define your own custom Int-like class that knows how to perform the .even method. You don't have to reinvent the wheel, just inherit from the Int type. You can mix and match core Perl 6 types and roles any way that pleases you.
This year, Austrian and Swiss Perl Monger groups join forces to host the
first Alpine Perl Workshop, taking place at the University of
Innsbruck on 2nd and 3rd September 2016 (that’s a week after
YAPC::Europe). Attendance is free, though we do offer a voluntary
business tariff (90€).
We are currently looking for Sponsors and Speakers.
Please contact us if you like to volunteer with the website design.
Call for Papers
We are looking for talks about Perl 5, Perl 6, CPAN, other Perl-related
topics, not-so-much-Perl-related topics and other interesting stuff. We
offer 20 and 40 minutes slots, but prefer two shorter talks to one long.
There will also be lightning talks (5 minutes).
Talks can be in English or German, preferably in the language you feel
more comfortable in. As we expect some guests who might not speak
German, it would be a good idea to provide English slides if you plan to
speak German. But please consider that the majority of attendees will be
German speakers (if we consider schwiizerdütsch, tirolerisch and even
wienerisch as German..)
Please submit your talks via the website. Deadline for talk
submission is 31st July 2016.
So yesterday I muddled myself up quite well, so It took a little time to see if I could come up with a solution. Thinking that someone else might have had the same problem I did a troll of Map of CPAN looking for a MooseX that might help me out.
Now I was looking at briefly at one point of using a delegated object but the problems with that is I contaminated my parent object with unneeded code and I would also have to iterate all the way though my attributes, never a good practice.
The QA Hackathon gathers various major contributors to the core infrastructure of the Perl language and the CPAN. People who have immense responsibility and whose contributions fuel our work and our businesses.
The QAH is a good opportunity for these contributors to discuss important topics, reach solutions or make decisions on how to move forward, and to hack on all the core infrastructure.
I was invited to this QAH hoping I will be able to contribute. While I finally got to see a lot of people I missed and had the pleasure of meeting people I've always wished, I also tried to work on several things, all described in the results page. I'd like to get into a bit of details regarding the work I did. Let's hope it was useful enough to justify my attendance.
Besides thanking the sponsors, I also want to have a dedicated entry to say a big Thank You to the organizers. Neil Bowers, JJ, and Barbie. It was an incredible experience, well organized, nice city, and especially a nice hotel which although it could not provide "the real Wall" at least tried very hard to surround me with little Perl history hints:
I'm looking forward to whatever Sawyer device they will invent after his 16th Perl release in a row. :-)
Another big Thank You to the Wendy for the support with fresh and healthy food. And also for the less healthy and chocolate stuff :-). And another big Thank You to all the other great attendees there - it is always a pleasure to spend the time with you all.
So lets see how I am going to move those annoying 'sub SQL' that I have in my DA::View and DA::Element packages out of them and into my LSDs.
So going blindly where I have gone before though the I might Role for the Element class in DA::LSD::SQL and see what I can come up with. So I duly added this
I am migrating a couple of my domains from mandrill to sparkpost
Net::SMTP by default uses SSLv3 which is not allowed by many providers due to the poodle vulnerability . I had a problem with sparkpost API and had to use Net::SMTPS which is a wrapper for Net::SMTP and you can specify the SSL version.
In Perl 5, I always appreciated the convenience of constructs like these two:
my @things = $text =~ /thing/g;
my %things = $text =~ /(key)...(value)/g;
You take some nice, predictable text, pop a regex next to it, and BOOM! You get
a nice list of things or a pretty hash. Magical!
There are some similarities to this construct in Perl 6, but if you're a new
programmer, with Perl 5 background, there might be some confusion. First,
using several captures doesn't result in nice hashes right off the bat. Second,
you don't get strings, you get Match objects.
While Matches are fine, let's look at a tool more suited for the job:
The comb
Plain 'Ol Characters
You can use comb as a subroutine or as a method. In its basic form, comb
simply breaks up strings into characters:
Now in my last post I left off with a bit of a code mess. Roles bleeding code into each other and my API in a dreadful state.
Well on thing I have seen before in non moose apps was use something called 'Class::Rebless' to rip the 'DA::LSDs' from my DA class but that is sort of an abuse of that code as it really is just for renaming name-space and I am not sure it will do what I want.
I had a look about the Moose::MOP class and found something called 'rebless_instance' which should take my original class, in this case DA with one or more LSD roles back to just a DA class.
Seems like a good idea but I think I would be opening myself up to a whole new slew of problems as I would only have a base object perhaps with it attributes in place and any other roles I may want removed.
If you ever wanted to test your CPAN modules on Windows systems without having an own Windows system setup, then you should take a look at AppVeyor. Basically it's something like travis-ci, but just running on Windows. Configuration happens in a YAML file named appveyor.yml.
A sample appveyor.yml file for testing CPAN distributions may look like this:
schmorp recently complained about a maintainer fail in Math::BigFloat, and since this is not an isolated incident of the last years, I try to give a summary of all the maintainer fails
of important modules lately, as I happen to fix them privately.
Problems in core ext/ and dist/ modules, maintained by p5p:
These are all doomed modules, as p5p refuses to take bug and security
reports, and most of them are not maintained and fixed and improved in
cperl only.
Math::BigFloat
Maintained by p5p, responsible: pjacklam
regression in blsflt (left shift) and refusal to fix it, lack of
understanding of float math.
fixed in cperl only. in cperl we also heavily modernized all the
bigint/bignum/bigrat/Big::* modules to use typed signatures.
there were several podcheck fails, which were promptly fixed. so they do
react fast, their only problem is the lack of understanding.
Back in the fall of 2013 I began working on a project called C::Blocks. After
some very long detours the project is finally coming to fruition. I recently
took it for a spin on a benchmark from the benchmarksgame. The results? Let's
just say I was very surprised.
This year at the Perl QA Hackathon I had three topics: benchmark update Perl until 5.24, enable CPAN test reporting on L4Linux, release a Net::SSH::Perl v2 to CPAN.
Part 3 - Net::SSH::Perl
I am co-maintaining Net::SSH::Perl, though usually I just apply patches that come up on RT or github.
Some months ago Lance Kinley implemented modern ciphers like AES, more key exchange algorithms, etc. on github - however he started from a CPAN .tgz snapshot. With the help of E. Choroba I got Lance's history rebased to my repository. However, I was short on time and wanted to do release polishing during the hackathon, and so I did.
The only trouble I had was that another patch from Brad Lhotsky which I merged earlier did conflict with Lance's changes in a way that I could solve in a git way but some tests kept failing and I did not understand why.
To be sure to not screw things up I had to give up merging and only released Lance's extensions to CPAN as a new major release v2.01.
As a side effect I also uploaded another new module from Lance, Crypt::OpenBSD::Blowfish, to CPAN.
If you are a user of Net::SSH::Perl please test if it works.
In some code I’m working on, I use a module which exposes a whole bunch of package variables as part of its public interface. It does not export them, however. I could refer to them directly by prefixing them all with Some::Module::, but that would be ugly and verbose. It’s also unsafe – the vars stricture will not help you catch typos if you use fully qualified names.
The obvious solution would be to emulate what exporting does:
This year was my first Perl Quality Assurance Hackathon, and even then I could only make 2 of the 4 days. I now wish I'd been to everyone ever, and for the full time!
I've been working on the MetaCPAN project for over 4 years, taking on the puppet master/sysadmin/development VM builder type role, even though that's not really my day job. So after all this time to actually meet Olaf Alders and the recently joined Mickey was a great pleasure:
