make much more sense, just to say in my word web2py is a house that may have many windows and each window can be packaged into smaller components like window glass, lock and frame etc?
On Tue, Aug 9, 2011 at 10:52 AM, Massimo Di Pierro < massimo.dipie...@gmail.com> wrote: > It is ok and I understand the confusion. > > web2py is an application from the point of view of a developer. It > serves the purpose of developing web applications and it is required > for those we applications to run. Yet web2py is not an application > from the point of view of the end user. > > The end user may see a Blog, a CMS, an E-Store, etc. If they are > written with web2py we call them "apps". > > One web2py can run many "apps" (which you can think of as many we > sites). They are all distinct they just share one web server and a > common set of libraries. There is only one web2.py but many > index.html. > > All the apps are equivalent in the sense that the are distinct and > none of them is privileged. > > Some times two apps (for example a Blog and CMS) may need to share > some functionality that is not provided by the web2py libraries (for > example a something that allows users to comment on a Blog entry or a > CMS entry). This thing would be a component. Because apps are > separated, a component is something that you write once and "copy" > into multiple apps. It is a piece of code designed to be re-usable but > not shared. Each app must have its own copy of the component so that > you can customize it. Different apps may ship with different versions > of the component and they should not conflict. > > A plugin is a subset of an "app". It could be the files which define a > component. It could be the files with define the layout of pages. It > could be the files which defined the database tables. Any subset of an > app is a plugin. This concept allows you to packages the subset and > ship it separately from an app. > > Here is a practical example: > > - This is one web2py (one web server, one python running) > http://web2py.com/demo_admin/default/site > - It runs three apps: > http://web2py.com/demo_app1/default/index > http://web2py.com/demo_app2/default/index > http://web2py.com/demo_app3/default/index > - Here are two plugins demo_app1 > http://web2py.com//demo_admin/default/design/demo_app1#plugins > > I hope this makes some sense. > > Massimo > > > > > > > > > > > On Aug 9, 10:31 am, Furqan Rauf <sfar.fur...@gmail.com> wrote: > > just following this conversation, is it normal for a newb, to not > understand > > what are you guys talking about? and to my understanding you are saying > that > > web2py is an app itself and all we do create different components and > deploy > > it. and we assign one component as primary or how does this work i mean > lets > > say i created a web application that is using that calculator so I will > just > > install that plugin in my web2py and which ever view I want to use i will > > use that load command? > > > > I am sorry for sounding stupid. > > > > thanks > > > > On Tue, Aug 9, 2011 at 9:56 AM, Gour-Gadadhara Dasa <g...@atmarama.net > >wrote: > > > > > > > > > > > > > > > > > > > > > On Tue, 9 Aug 2011 07:38:50 -0700 (PDT) > > > Massimo Di Pierro > > > <massimo.dipie...@gmail.com> wrote: > > > > > > Some plugins define components (plugin_wiki does) and some do not. > > > > > Interesting... > > > > > > A component is a set of models/views/controller designed to work > > > > together. > > > > For example consider a web2py file "controllers/plugin_calculator.py" > > > > which contains > > > > > > def adder(): > > > > form = > SQLFORM.factory(Field('a','integer'),Field('b','integer')) > > > > c = (form.vars.a+form.vars.b) if form.accepts(request) else > '...' > > > > return DIV(form,'result=',c) > > > > > > The file is the plugin. The function is the component. It is a > > > > component because anywhere in your app you can do: > > > > > > {{=LOAD('plugin_calculator','adder',ajax=True)}} > > > > > > and embed the component into any page. > > > > > Thanks a lot for illustration. > > > > > > Typically components are more complex but are used and packaged in > the > > > same > > > > way. > > > > > Ahh...I believe I got it..There are "Component plugins' are plugins > that > > > define > > > components." and that makes difference between 'just plugin'. I'm > anxious > > > to > > > see new version of paper book to buy it asap!! > > > > > Web2py is so well-designed that I'm really impressed. ;) > > > > > Sincerely, > > > Gour > > > > > -- > > > “In the material world, conceptions of good and bad are > > > all mental speculations…” (Sri Caitanya Mahaprabhu) > > > > >http://atmarama.net| Hlapicina (Croatia) | GPG: 52B5C810 > > > > -- > > *-Furqan Rauf* > > *Do you love your creator? Love your fellow-beings first. -Prophet > Muhammad > > * > > *http://www.amway.com/furqanrauf* -- *-Furqan Rauf* *Do you love your creator? Love your fellow-beings first. -Prophet Muhammad * *http://www.amway.com/furqanrauf*
