> Installing
> Python, Python Parser, and Plucker Desktop may be cumbersome for the tech
> staff and IMHO prone to more things going wrong.
> Jpluck only requires the latest version of Java
Of course, that is your opinion, but I am going to have to spend time to put in
a few comments.
In both cases, there is a script and a VM to read it, and either would require
the suitable VM (Java or Python) to be installed, and of a high enough version.
In an uncoupled solution as the Plucker package, you can use whatever parser
needed, python, a java one, a perl one, or a C++ one with no VM or scripts at
all needed to be installed. And has been discussed on plucker-team, the Linux
will in the future have a single package installer for convenience, so with
regards to items to install, that is not an item really. Furthermore, since
python is Free and unencumbered, the relevant parts can be cut up and packaged
all-in- one, as is done on MSW, so that there is just a single set up click
wizard without worrying about tracking down virtual machines.
The Plucker python parser (and some of the others), have a multi-year history
behind them of removing bugs and optimizations for distribution, vastly
decreasing the number of errors in a deployment.
The caveat I guess would be compilations on obtuse platforms, but the original
poster mentioned that the end users were having too much compexity in setting
up an AvantGo channel, it is unlikely to be their task to compile things or use
commandlines at all. Just want the simple installer, which we provide. If he is
distributing to rare low percentage platforms outside Posix/OSX/Microsoft that
would be better fit for a pure interpreted language solution like Java or
other.
With regard to choice of languages in general, the Plucker project because of
its goals, is unencumbered by the non-Free languages. While Delphi/Kylix, QT,
Java, or .NET are able to make applications that run across some different
OS's, they are all non-Free and coupled with their own set of license
restrictions on use or distribution (and QT won't work with the Free compilers
on Windows). Each of these have a single company at the helm holding the reins
that can step and decide to induce a fee at any time for further development,
or change their license agreement for futre versions, as they control what
happens at the top level. Especially relevant since that is what AvantGo also
did: take in people for free and then decide later to chage the rules of what
they control (in their case a few-thousand fee for >8 users). Ditto for UniSys
and GIF format. It is not that the holding company is inherently evil, it is
that their shareholders want money, and the company then bows to that pressure
when things get rough. And Sun's current situation isn't that sunny: I don't
know how long they are going to maintain their current path without going to
the more dire ways of making money from the things that they control.
Best wishes,
Robert
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