[BangPypers] Suggestion for GUI

Pradeep Gowda pradeep at btbytes.com
Mon Jan 10 07:05:57 CET 2011


On Mon, Jan 10, 2011 at 12:26 AM, Narendra Sisodiya
<narendra at narendrasisodiya.com> wrote:
> On Mon, Jan 10, 2011 at 10:38 AM, Pradeep Gowda <pradeep at btbytes.com> wrote:
>
>> On Sun, Jan 9, 2011 at 11:39 PM, Narendra Sisodiya
>> <narendra at narendrasisodiya.com> wrote:
>> > On Mon, Jan 10, 2011 at 7:55 AM, Pradeep Gowda <pradeep at btbytes.com>
>> wrote:
>> >
>> >> On Sun, Jan 9, 2011 at 6:22 PM, Narendra Sisodiya
>> >> <narendra at narendrasisodiya.com> wrote:
>> >> > On Mon, Jan 10, 2011 at 3:54 AM, Vivek Khurana <
>> hiddenharmony at gmail.com
>> >> >wrote:
>> >> >
>> >> >> On Mon, Jan 10, 2011 at 3:44 AM, Narendra Sisodiya
>> >> >> <narendra at narendrasisodiya.com> wrote:
>> >> >> > At the same time, I do not want to use any restricted Libraries..
>> Can
>> >> >> > somebody explain license of PyQT ?
>> >> >> >
>> >> >>
>> >>
>> http://www.riverbankcomputing.co.uk/static/Docs/PyQt4/pyqt4ref.html#licenseAll
>> >> >> > I want my code to be GPLv3.
>> >> >> >
>> >> >>
>> >> >>  If you want the code to be in GPL, then where is the
>> problem/confusion
>> >> ?
>> >> >>
>> >> >
>> >> > Ok, So why that commercial license they have listed, for what purpose
>> one
>> >> > should need that license..?
>> >> > I mean, I can code using PyQT and give to my customer and he can
>> install
>> >> all
>> >> > the needed libraries..
>> >>
>> >> 1. Some companies don't want anything associated with with Free
>> >> software, they would rather
>> >> pay money to keep their entire software stack "clean".
>> >>
>> >> 2. Allows Riverbank to make money from users who want to ship closed
>> >> source software developed
>> >> using PyQt.
>> >>
>> >
>> >
>> > That's exactly I want to understand. Let take a fictitious example
>> > I purchased a book on PyQt. I wrote an excellent close software which is
>> > based on PyQt. I am start selling this proprietary software in market.
>> > people started purchasing this software from my website. They download
>> PyQT.
>> > and they run my close software.
>> > Now in this process, neither I no my customer paid any money to PyQT. So
>> > this is OK or me or my customer are making copyright infringement.
>> > I want to understand the benefit/advantage of buying commercial license
>> for
>> > PyQT.
>>
>> If I understand the GPL correctly, the situation you are describing is
>> in violation
>> of the GPL terms because your code depends on PyQt code to run.
>>
>
> I am just typing some random string , it comes out to be a PyQT code. some
> fellows are interested to buy it, I never tested using PyQT  nor i am giving
> them suggestion to install PyQT. Client are doing by their own. How come I
> am making any violation ....

Ah, yes. The "I was just carrying an open knife and pointing in random
directions, but people
keep giving me money. What did I do wrong?" argument.

If you are serious doing professional software development, it's worth
your time to
understand how copyright and licensing works.

Good luck.


More information about the BangPypers mailing list