Re: [pygtk] python modules/classes best practices?
On 01/30/2011 11:53 PM, Robert Park wrote: [...] but now that the other classes are in other files, the module _itself_ is providing the same encapsulation that the class was giving me, and is thus redundant. In this perspective, you are using classes as mere namespaces of your functions and variables. As I said, if you do not exploit hierarchies and relations (and you don't as you have no inheritance and no polymorphism) there is very little difference between module and class levels (IMO there are some disadvantages with modules, see below). My point with that example was not that the second version was better, but that they were so similar that it proves that the module itself is good enough and that I don't actually benefit from having this particular class inside a module. If you don't see advantages with classes, let's stay with benefits of having only modules. Do you see any that are not syntactic like number of dots between IDs and 'self' appearing as first formal param? Indeed if your application code fits into a thousand of LOC, you can choose whatever style you like, either having everything pushed into one module or split into classes/packages/modules, no really matters. Ok, but I am not arguing against all classes, just the class that represents the graphical interface that the user interacts with. Then I guess your GUI is necessarily very small. I cannot imagine a large GUI all fitted into a module, and even within one single class. How do you separate the GUI logics and the presentation layers? Can you split the GUI into (interconnected, still decoupled) pieces? ( someone calls them components.) If you have components, you can reuse/factorize code in different parts of a single application, or you can rearrange the GUI for another application. have a handful of classes that represent various kinds of data that my application uses, and that makes great sense because each class can be instantiated multiple times and each instance represents something meaningful. Typically the top-level logics, controller and presentation of the GUI is instantiated only once, but this does not mean that it is not meaningful. Again, classes are not supposed to be instantiated multiple times. However, if your application is intended to grow up, if you need contracts (interfaces) to agree with other programmers, if you need to Ok, but how does having module top-level functions instead of class instance methods (for a class that can only be instantiated once) make any difference? In principle no, in practice it largely helps. I think it is trivial to say that the introduction of OOP did not change the software, as you can do whatever with a procedural-paradigm, as well as you can do OOP with a non-OOP language. OOPs is only for reducing (hopefully) costs of software. Can you explain how module-globals make code less portable? Is there a platform on which Python doesn't support module globals? I'm genuinely curious. Mmm, 'portability' was a bad term I chose, as it can create misunderstandings I am sorry about that. I probably had to talk about 'reuse'. Extending my objections, what if you wanted to have: - threads involved - unittests of some parts - code generated by metaclasses at compile time - refactoring needs, e.g. you want to move your code (or part of it) in a different possibly larger place. If you have poor locality of your code, you'll get into troubles. Using module-level variables does not help with locality. My two cents, r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
Re: [pygtk] python modules/classes best practices?
Hi, On Sat, 2011-01-29 at 23:22 -0700, Robert Park wrote: [...] But I just can't shake this feeling that having a class to represent just the GUI when it's already inside of a module is somehow redundant. There will only ever be one instance of that class. What good is that? The fact that classes can be instantiated multiple times is not the (only) reason for having classes. Inheritance and polymorphism give the real sense to OOP - IMO - and having information hidden into hierarchies and relations make the design easy to understand, extend, maintain, etc. I could just ditch the class and have all the class methods be top-level module function definitions, and then I could rename main.py into appname.py, and in my runner script, change this code: from appname.main import AppName AppName().main() into this: from appname import appname appname.main() Frankly I cannot see a substantial difference in terms of quality. (Can you measure the quality from the number of keystrokes?) Indeed if your application code fits into a thousand of LOC, you can choose whatever style you like, either having everything pushed into one module or split into classes/packages/modules, no really matters. However, if your application is intended to grow up, if you need contracts (interfaces) to agree with other programmers, if you need to decompose the application into hierarchies of functional modules, you will very quickly end up floundering into a spaghetti nightmare if you don't organize your code base accordingly. python-gtkmvc http://sourceforge.net/apps/trac/pygtkmvc/wiki may be overkilling for toys and small applications, but drives/allows you to split the logics and presentation layers, and to split the views and the models into hierarchies of classes - the opposite direction you seemed to be exploring. Another reason why I care about this issue is that method invocations are slower when there's a period in the name, so eg calling self.foobar() is by definition slower than simply calling foobar(), so there's a minor speed boost to be had by ditching the class and replacing it with all module-global functions. In python, generally, these optimizations are not very meaningful. Your may be trying to reduce complexity of your algorithms, but one further level of indirection and similar details make no actual difference. Much more important is how your code looks like (do you really exploit the language, or do you write your code like e.g. in java?), and how your code is organized. My personal way for evaluating python code I write and read, is wonder if I can understand what a function does without worrying about the details of the implementation. If not convinced, there is certainly a better approach to make it better (shorter, more elegant, more readable). One thing I changed recently that got me thinking about this is that I changed GtkBuilder from being an instance variable to a top-level module variable. Sometimes I use aliases like you, especially in loops where it makes sense, but only if the alias is kept local and close to the place where it is used. However, introducing aliases makes the code harder to understand, and if the alias is global to the module (like in your example) the code is less portable/usable prone to errors. r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
[pygtk] [ANNOUNCE] python-gtkmvc 1.99.1
could cause the wrong methods to be called on all but the last instance created. This did not affect programs that only use the built-in list type. - Mutable instances that used to be assigned to properties would notify of their changes even after being replaced in the model. - No more errors from static container adapters you didn't create. - Multiple concurrent iterators on views no longer steal each other widgets. Many thanks to Christian Spoer for narrowing down a bug and to Tobias Weber for joining the team. -- Roberto Cavada PA HREF=http://pygtkmvc.sourceforge.net;pygtkmvc 1.99.1/A - Pygtk MVC is a thin, multiplatform framework that helps to design and develop GUI applications based on the PyGTK toolkit. (30-Dec-10) ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
Re: [pygtk] Splitting things up
Il 06/28/2010 10:54 AM, Elver Loho ha scritto: Is there a good design solution for splitting the window controller into multiple chunks? You may have a look to gtkmvc: http://sourceforge.net/apps/trac/pygtkmvc/wiki ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
Re: [pygtk] ANN: PyGUI 2.1
Greg Ewing wrote: What is the general feeling out there? About the announcements policy, I wonder what is the difference with other projects which use or extend pygtk. I suspect the difference is that pygui is perceived like a potential competitor of pygtk, so announcements about it are told to be not welcomed (especially if you also state that pygtk sucks :) If my feeling is correct, then I cannot go along with the policy of not allowing announcements of such projects - simply because it is not clear to me where the line separating pygtk users and pygtk competitors can be collocated. Furthermore, I do think that competitors should be welcomed as they may contribute to improve the quality of pygtk itself. Finally, let me say that if you think pygtk could be improved (to put it in polite terms), you have to justify your statement, or else they have no meaning at all. Notice that a true analysis may give a sense to your project as well. r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
Re: [pygtk] Install pyGtk on Solaris 10
David Miller wrote: configure:20521: gcc -o conftest -g -O2 -mt -I/usr/include/gtk-2.0 [...] cc1: error: invalid option `t' I guess that option -mt is interpreted as: -m -t (as -m does not take any argument). Is 'gcc' *gnu* gcc, or what else? r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
Re: [pygtk] automagical glade
Chris Camacho wrote: All widgets are mapped to a user interface object via their glade id and so they can be accessed like this... ui.entry1.set_text(hello world) Actually i like the idea. I think I'll consider it for the View part of gtkmvc, instead of having view['entry1'].set_text having view.entry1.set_text is much better. Thanks, r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
[pygtk] [ANNOUNCE] python-gtkmvc 1.99.0
Version 1.99.0 of pygtkmvc has been released. Project homepage: http://apps.sourceforge.net/trac/pygtkmvc/wiki Download: http://sourceforge.net/projects/pygtkmvc/ == About pygtkmvc == pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application, from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. The framework has been designed to be: * Essential and small, it does only what it was designed for. * Not an external dependency for your application: it fits in 80KB and can be released along with it. * Easy to understand and to use; fully documented. * Portable: straightly runs under many platforms. License: LGPL About release 1.99.0 Released version 1.99.0 This is a major release that breaks backward compatibility with the 1.2 family. Also, this version is not stable yet, as there might be some changes in the forthcoming releases toward version 2.0.0. * New features Features 1 and 2 cause this version to be no backward compatible. 1. View's constructor no longer takes a controller. 2. Controller's constructor takes a view. This allows (together with 1.) to have multiple controllers controlling a shared view, making possible to decompose controllers (see the website for details) 3. Support for SQLObject (support for SQLAlchemy delayed to 1.99.1) 4. Support for custom observable properties in Models. Now it is possible to define observable properties whose values are stored outside the model, in a DB, a file, a network, etc. 5. New syntax for defining observable properties. Now class attributes are used as in common ORMs. 6. Explicit declaration of observing methods into observer through decorators. 7. Views have attributes 'glade' and 'top' to simplify their construction. 8. gtkmvc has now its own logging system that users can set when required. Previous naive prints have been removed. * Documentation 1. New website 2. New Quick Start Guide * Refactoring, Bug fixes 1. Improved performances 2. Cleaned up View construction, that is now much more simple 3. Fixed a row of minor bugs Thanks to those who provided feedback and bug reports. In particular, to: Henrik Bohre henrik TOD bohre TA gmail TOD com Joel Cross Alessandro Dentella sandro TA e-den TOD it Christopher Groskopf cgroskop TA calpoly TOD edu -- Roberto Cavada roboogle TA gmail TOD com PA HREF=http://pygtkmvc.sourceforge.net;pygtkmvc 1.99.0/A - Pygtk MVC is a thin, multiplatform framework that helps to design and develop GUI applications based on the PyGTK toolkit. (01-Apr-09) ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
Re: [pygtk] Hi, all! I'm new to the list. How can I create please a frontend for a TUI command?
Néstor Amigo Cairo wrote: Ok! I have tested this, and it only works at the end of the execution of the command, There is a problem in the way you create your watcher's callback. You have to use a function, a method or a lambda. Try with this version of 'do_format'. It will also handle pipe error conditions. #--- def do_format(self, widget, textbuffer): def watcher(source, condition, buf): if condition == gobject.IO_IN: buf.insert(buf.get_end_iter(), source.readline()) return True # keep it watching # error condition buf.insert(buf.get_end_iter(), process died\n) return False # stop watching proc = subprocess.Popen((./prueba.sh), shell=False, stdout=subprocess.PIPE, ) gobject.io_add_watch(proc.stdout, gobject.IO_IN | gobject.IO_ERR | gobject.IO_HUP, watcher, textbuffer) return #--- Hope that helps. r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://faq.pygtk.org/
[pygtk] [ANNOUNCE] pygtkmvc release 1.2.2
Version 1.2.2 of pygtkmvc has been released. Project homepage: http://pygtkmvc.sourceforge.net Download: http://sourceforge.net/projects/pygtkmvc/ == About pygtkmvc == pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application, from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. The framework has been designed to be: * Essential and small, it does only what it was designed for. * Not an external dependency for your application: it fits in 80KB and can be released along with it. * Easy to understand and to use; fully documented. * Portable: straightly runs under many platforms. License: LGPL === About release 1.2.2 === This is a minor release that fixes two major bugs about adapters. A few new examples about adapters have been also added. Thanks to Alessandro Dentella sandro TA e-den TOD it for reporting both bugs. -- Roberto Cavada roboogle TA gmail TOD com ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] Installing PyGTK on solaris 8
Shalom Kramer wrote: *** The test program failed to compile or link. See the file config.log for the *** exact error that occurred . This usually means GLIB is incorrectly installe Have you followed the suggestion? r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Mailing list of gtkmvc
Hi all, my apologies to whom may be not interested in the following. gtkmvc - MVC and Observer patterns for pygtk (http://pygtkmvc.sourceforge.net/index.php) has today a user mailing list by popular demand. The idea is to have a shared discussion area for all users, to collect feedback and issues from all interested users in order to prepare next releases. New family 2.x is close to be released and will provide support for the integration with ORMS like SQLObject on the Model side. On the View side adding support for UIManager and Builder is under evaluation. To subscribe simply go to https://lists.sourceforge.net/lists/listinfo/pygtkmvc-users Hope you all will join. Cheers, r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] Installing PyGTK on solaris 8
Shalom Kramer wrote: Yes, the file indicates that there is a problem with compiling GTK programs, not that I can understand why. If you wish to get any help here, you should post the (selected) contextualized error message you get from configure, in config.log. (You are not requested to report the reasons for a problem, but you are expected to report at least the symptoms.) r. ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] ANNOUNCE: pygtkmvc-1.2.1 has been released
Version 1.2.1 of pygtkmvc has been released. Project homepage: http://pygtkmvc.sourceforge.net Download: http://sourceforge.net/projects/pygtkmvc/ == About pygtkmvc == pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application, from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. The framework has been designed to be: * Essential and small, it does only what it was designed for. * Not an external dependency for your application: it fits in 80KB and can be released along with it. * Easy to understand and to use; fully documented. * Portable: straightly runs under many platforms. License: LGPL === About release 1.2.1 === This is a minor release that fixes a bug. Thanks to Roman Dobosz gryf TA elysium TOD pl for catching it. With respect to version 1.0.1, new version 1.2 provides: * New features: - Added adapters, new entities that largely simplify and reduce costs and development efforts. Adapters handles autonomous coordination between properties into models and widgets into views. Roughly speaking, an adapter keeps aligned some part of the model and a widget in a transparent and still customizable way. - Added script gtkmvc-progen that aids developers in generating gtkmvc-based projects from scratch. gtkmvc-progen can be run in both batch and GUI modalities. For example: $ gtkmvc-progen name=myproj author=Wil Shakespeare gui=no ... generates project myproj in batch mode. See the user manual for a full list of available options. * Other changes - Spurious value changes in observable properties are no longer notified by default. A new optional parameter of class Observer allows for a backward-compatible semantics. - Widgets search into Views has been optimized. - Bug fixes and optimizations. o Undefined handlers for custom widgets are correctly managed. Thanks to Allan Douglas zalguod TA users TOD sourceforge TOD net for providing a working patch. o Fixed a subtle bug in the observer pattern implementation. o A few other minor fixes and optimizations. -- Roberto Cavada roboogle TA gmail TOD com ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] ANNOUNCE: pygtkmvc-1.2.0 has been released
Version 1.2.0 of pygtkmvc has been released. Project homepage: http://pygtkmvc.sourceforge.net Download: http://sourceforge.net/projects/pygtkmvc/ == About pygtkmvc == pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application, from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. Features The framework has been designed to be: * Essential and small, it does only what it was designed for. * Not an external dependency for your application: it fits in 80KB and can be released along with it. * Easy to understand and to use; fully documented. * Portable: straightly runs under many platforms. === About release 1.2.0 === This is a major release that brings some important new features and a few bug fixes. * New features: - Added adapters, new entities that largely simplify and reduce costs and development efforts. Adapters handles autonomous coordination between properties into models and widgets into views. Roughly speaking, an adapter keeps aligned some part of the model and a widget in a transparent and still customizable way. - Added script gtkmvc-progen that aids developers in generating gtkmvc-based projects from scratch. gtkmvc-progen can be run in both batch and GUI modalities. For example: $ gtkmvc-progen name=myproj author=Wil Shakespeare gui=no ... generates project myproj in batch mode. See the user manual for a full list of available options. * Other changes - Spurious value changes in observable properties are no longer notified by default. A new optional parameter of class Observer allows for a backward-compatible semantics. - Widgets search into Views has been optimized. - Bug fixes and optimizations. o Undefined handlers for custom widgets are correctly managed. Thanks to Allan Douglas zalguod at users.sourceforge.net for providing a working patch. o Fixed a subtle bug in the observer pattern implementation. o A few other minor fixes and optimizations. -- Roberto Cavada roboogle AT gmail.com ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] ANNOUNCE: pygtkmvc-1.0.1 has been released
Version 1.0.1 of pygtkmvc has been released. pygtkmvc can be download from the project homepage: http://pygtkmvc.sourceforge.net == About pygtkmvc == pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application, from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. Features The framework has been designed to be: * Essential and small, it does only what it was designed for. * Not an external dependency for your application: it fits in 80KB and can be released along with it. * Easy to understand and to use; fully documented. * Portable: straightly runs under many platforms. === About release 1.0.1 === This is a minor release that mainly features a few bug fixes. * New features: - Custom widgets into glade file are now supported by views. * Bug fixes: - Fixed access to properties in multi-threading models. - Fixed a bug in the observable properties registration mechanism. * Many thanks to: - Guillaume Libersat glibersat AT linux62.org for providing a patch that enable reading custom widgets from glade files. - Phillip Calvin phillipc AT toasterlogic.com and Andreas Poisel ap AT automatisch.cc for reporting bugs. - Jeffrey Barish jeff_barish AT earthlink.net for providing feedback. - Kartik Mistry kartik.mistry AT gmail.com for his work on Debian package. -- ITC - dall'1 marzo 2007 Fondazione Bruno Kessler ITC - since 1 March 2007 Fondazione Bruno Kessler -- ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] Gnome-CRITICAL message
Pascal Duchatelle wrote: I get the following messages (which I do not understand) : (essai.py:3486): Gnome-CRITICAL **: gnome_program_get_app_id: assertion Is there any possibility that a glade file refers to any gnome widget, or the project type is gnome when you do not have gnome installed? r. -- ITC - dall'1 marzo 2007 Fondazione Bruno Kessler ITC - since 1 March 2007 Fondazione Bruno Kessler -- ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] [ANN] pygtkmvc version 1.0.0 has been released
Hi all, I'm proud to announce that the first stable release 1.0.0 of pygtkmvc has been released. ** pygtkmvc version 1.0.0 ** pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. ** Features ** The framework has been designed to be: - Essential and small, it does only what it was designed for. - Not an external dependency for your application: it fits in 80KB and can be released along with it. - Easy to understand and to use; fully documented. - Portable: straightly runs under many platforms. Version 1.0.0 is the first stable release. Main features are: - Observer pattern supports pythonian containers and user-defined classes. - Support for multi-threading in models. - Support for gtk models like TreeModel and TextBuffer. - Bug fixes. - Documentation and several examples are provided. ** Get it! ** Latest version and information can be found at the project home page: http://pygtkmvc.sourceforge.net License is LGPL. ** Credits ** Many thanks to: - Baruch Even baruch _AT_ ev-en.org for providing useful feedback and a pretty example. - Johannes Jordens j.jordens _AT_ ucl.ac.uk and Robert Jordens jordens _AT_ debian.org for depeloping and maintaining Debian packages. -- Roberto Cavada ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] [ANN] pygtkmvc version 1.0.0 has been released
Hi all, I'm proud to announce that the first stable release 1.0.0 of pygtkmvc has been released. ** pygtkmvc version 1.0.0 ** pygtkmvc is a fully Python-based implementation of the Model-View-Controller (MVC) and Observer patterns for the PyGTK2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating semantics and data of the application from their representation. The Observer pattern helps to weaken dependencies among parts that should be separated, but need to be connected each other. pygtkmvc provides a powerful and still simple infrastructure to help designing and implement GUI applications based on the MVC and Observer patterns. ** Features ** The framework has been designed to be: - Essential and small, it does only what it was designed for. - Not an external dependency for your application: it fits in 80KB and can be released along with it. - Easy to understand and to use; fully documented. - Portable: straightly runs under many platforms. Version 1.0.0 is the first stable release. Main features are: - Observer pattern supports pythonian containers and user-defined classes. - Support for multi-threading in models. - Support for gtk models like TreeModel and TextBuffer. - Bug fixes. - Documentation and several examples are provided. ** Get it! ** Latest version and information can be found at the project home page: http://pygtkmvc.sourceforge.net License is LGPL. ** Credits ** Many thanks to: - Baruch Even baruch _AT_ ev-en.org for providing useful feedback and a pretty example. - Johannes Jordens j.jordens _AT_ ucl.ac.uk and Robert Jordens jordens _AT_ debian.org for depeloping and maintaining Debian packages. -- Roberto Cavada ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Treeview space between columns
(I apologie if you receive multiple copies of this message) Hi, I noticed that there is always a space around columns in treeviews, even when both the style properties 'GtkTreeView::vertical-separator' and 'GtkTreeView::horizontal-separator' are set to 0. E.g. look at the screenshot at http://sra.itc.it/people/cavada/images/Screenshot-window1.png In the example, columns 0 is text, and columns 1 and 2 are filled by a rectangular (red) image that is intended to fulfill the cell. However, as you can see there is a 1-pixel space all around each cell. What I'd like to implement is a treeview showing waveforms. The columns data are images that must stay attached each other in a row, without any space between them. When composed appropriately, a row of images would appear as a waveform. Did you happen to know whether it is possible to remove the space around the columns? Many thanks, rob ___ pygtk mailing list pygtk@daa.com.au http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] Simple TreeView API
On Wed, 2004-10-06 at 23:10 +1300, John C Barstow wrote: ANY feedback would be helpful I have no technical feedback to provide, actually. Anyway, I want to stress that those who I talk about pygtk will always complain about the convolution of tree/list widgets it provides. Powerful, elegant, clever and whatever, but too complicated to begin with. One would expect to see an abstraction layer *within* pygtk, that's the point as for me. rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] gtkmvc (was: pygtk + glade: code decomposition best practices?)
On Thu, 2004-09-30 at 13:51 -0400, Brett Viren wrote: I want it to trigger an XML-RPC call to set the something parameter on the server. I've implemented MyModel.__setattr__() to do this interception and from there pass the call along to the parent by calling Model.__setattr__(). This seems to work, but is it the best way? For example, in the end my __setattr__ will have a big list of if blocks, one for each intercepted property which isn't so pretty. It is not obvious to decide here. You might think to keep your solution, maximizing locality of the handling code, that is not necessarily a bad idea. From one hand, the code might become bigger and bigger, but the locality of the comunication with the server might improve code inspection, bug fixing, commitment of new code, etc. From the other hand, there is the necessity of catching modification on the server's data. How the view/controller pair would be notified of this modification? What happens whether other data that depend on the changed one must be updated? In my opinion everytime you have mutual dependencies between data, bidirectional data flows, and need for separation of model and data representation, you might think to consider the use of mvc and observer patterns. I am not sure gtkmvc would capture all requirements in your case, since it forces you to put notification about observable properties in separate class methods. Actually, if you were able to adapt the metaclass that generates the code that implements the observer pattern, you might think to make the model comunicate with the server via RPC for free, since the comunication code would be generated as well. This would be possible only if the function that maps model's data to server's data were injective. Under the necessary condition, it is a matter of deriving a new metaclass from the one that gtkmvc.model.Model currently uses. Feel free to ask for further details, maybe out of this list since I think this is going OT. rob -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 328 Fax: +39 0461 302 040 _/ _/_/ [EMAIL PROTECTED] http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] pygtk + glade: code decomposition best practices?
On Thu, 2004-09-30 at 13:18 +0300, Ruslan wrote: I would like to ask people using pygtk + glade to share their approach on code decomposition. I use a mvc+observer pattern from my gtkmvc (see http://sra.itc.it/people/cavada/mvc). Each pair controller+view can be associated to a separate glade file, or to a set of subtrees of one or more glade trees. In my opinion this approach helps a lot in separating the different parts of a GUI. The model(s) can also be splitted, so obtaining good a separation of the application logic as well. rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] ANNOUNCE: PyScintilla-1.99.4 released
On Fri, 2004-08-20 at 15:17 -0300, Christian Robottom Reis wrote: On Wed, Aug 18, 2004 at 04:05:29PM +0200, Roberto Cavada wrote: What is new --- With respect to previous versions, PyScintilla-1.99.4: - is a stand-alone module, no longer based on GtkScintilla. This is excellent news. Does it implement all the syntax highlighting in itself then? All lexers should be embedded in the scintilla's library. Actually their are both on my linux box, and on the binary distribution I prepared for MS Windows. Underneath there is a short example of syntax hl + folding. A screenshot of the running example can be found at: http://sra.itc.it/people/cavada/images/Screenshot-Syntax_hl.png Most of the code deals with the setting of properties and colours. rob # -- CODE STARTS HERE -- # import gtk import scintilla def set_syntax_hl(sci): sci.SetLexer(scintilla.SCLEX_PYTHON) # sets attributes: sci.SetKeyWords(0, return for while class def import self \ pass try except finally) fore_cols = ((scintilla.SCE_P_COMMENTLINE, 0xa0), (scintilla.SCE_P_TRIPLEDOUBLE, 0xA05080), (scintilla.SCE_P_STRING, 0xA000A0), (scintilla.SCE_P_CLASSNAME, 0x008cdc), (scintilla.SCE_P_DEFNAME, 0x007000), (scintilla.SCE_P_WORD, 0xA0)) for fore in fore_cols: sci.StyleSetFore(*fore) # other settings: sci.StyleSetSize(scintilla.SCE_P_TRIPLEDOUBLE, 9) sci.StyleSetBold(scintilla.SCE_P_DEFNAME, 1) sci.StyleSetBold(scintilla.SCE_P_WORD, 2) sci.StyleSetUnderline(scintilla.SCE_P_WORD, 1) sci.StyleSetFont(scintilla.SCE_P_WORD, !courier) sci.StyleSetSize(scintilla.SCE_P_WORD, 10) return def set_folding(sci): sci.SetProperty(fold, 1) sci.SetMarginWidthN(2, 20) sci.SetMarginMaskN(2, scintilla.SC_MASK_FOLDERS) sci.SetMarginSensitiveN(2, 1) sci.SetFoldFlags(16) sci.SetIndentationGuides(1) sci.SetTabIndents(1) sci.SetIndent(3) mdefs = ((scintilla.SC_MARKNUM_FOLDER, scintilla.SC_MARK_PLUS), (scintilla.SC_MARKNUM_FOLDEROPEN, scintilla.SC_MARK_MINUS), (scintilla.SC_MARKNUM_FOLDERSUB, scintilla.SC_MARK_EMPTY), (scintilla.SC_MARKNUM_FOLDERTAIL, scintilla.SC_MARK_EMPTY), (scintilla.SC_MARKNUM_FOLDEREND, scintilla.SC_MARK_EMPTY), (scintilla.SC_MARKNUM_FOLDERMIDTAIL, scintilla. SC_MARK_EMPTY), (scintilla.SC_MARKNUM_FOLDEROPENMID, scintilla. SC_MARK_EMPTY)) for mdef in mdefs: sci.MarkerDefine(*mdef) return def margin_click(sci, modifiers, position, margin): Callback from signal MarginClick if margin == 2: line = sci.LineFromPosition(position) sci.ToggleFold(line) pass return def main(): w = gtk.Window() w.set_size_request(200,300) s = scintilla.Scintilla() w.add(s) set_syntax_hl(s) set_folding(s) s.connect(MarginClick, margin_click) w.connect(destroy, gtk.mainquit) w.show_all() gtk.mainloop() return if __name__ == __main__: main() # -- CODE ENDS HERE -- # ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] ANNOUNCE: PyScintilla-1.99.4 released
I am very happy to announce a new release of PyScintilla, version 1.99.4. What is PyScintilla --- PyScintilla is a Python wrapper for Scintilla, a powerful text editing component. PyScintilla is based on PyGTK-2. What is new --- With respect to previous versions, PyScintilla-1.99.4: - is a stand-alone module, no longer based on GtkScintilla. - provides an installer for Windows' users What is still missing - To reach version 2.0, PyScintilla still needs: - Testing - Documentation - Examples - Implementation for methods AddStyledText, FindText, FormatRange, GetStyledText, and GetTextRange - Decision about names of methods, signals and constants. Download PyScintilla can be reached at this URL: http://sra.itc.it/people/cavada/PyScintilla2.html -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 328 Fax: +39 0461 302 040 _/ _/_/ [EMAIL PROTECTED] http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] [ANN] Released gtkmvc version 0.9.1
MVC Framework version 0.9.1 released. MVC is an implementation of the Model-View-Controller and Observer patterns for the Pygtk2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. This is a minor release, that adds a tutorial that should help users to quickly understand whether gtkmvc can fit their needs or not. Latest version and information can be found at this URL: http://sra.itc.it/people/cavada/mvc/index.html The tutorial can be reached at: http://sra.itc.it/people/cavada/mvc/docs/tutorial/html/tutorial.html Regards, Roberto -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 328 Fax: +39 0461 302 040 _/ _/_/ [EMAIL PROTECTED] http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] [ANN] MVC-0.3.0 released
Hi all, thanks for the feedback. Links should be working now. On Thu, 2004-01-15 at 09:29, Ionutz Borcoman wrote: 1. Put somewhere a 'road-map' of the project. Yes, I agree. Project is tagged 0.3.0 just for missing stuff like this. Let me make it clearer. As for our project's needs, features are mature enough. As you said, what is still missing is: - packaging issues - installation - webpage (with working links!) Thanks you very much for the code you supplied. I will integrate it in the next coming release. Depending on the feedback I'll receive, next release could be tagged 1.0 rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] [ANN] MVC-0.3.0 released
On Thu, 2004-01-15 at 09:49, Roberto Cavada wrote: Thanks you very much for the code you supplied. I will integrate it in the next coming release. I released version 0.9.0. What's new: - changed the module name from 'mvc' to 'gtkmvc' - integrated setup.py for installation - restructured the package - changed version to 0.9.0 to make people feeling more confident of it ;) No, really what was missing was the setup process. I thank again Ionutz for his support in that sense. Furthermore, what still misses to make it a final release is: 1. some feedback from other real testbeds 2. complete doc of source code rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] [ANN] MVC-0.3.0 released
MVC Framework version 0.3.0 released. MVC is an implementation of the Model-View-Controller and Observer patterns for the Pygtk2 toolkit. MVC is a pattern that can be successfully used to design and develop well structured GUI applications. The MVC pattern basically helps in separating sematics and data of the application, from their representation. The Observer pattern is also embedded here. This pattern allows making separated parts independent, but still connected each other. About this implementation: - easy to understand and to use - makes code extremely easy to write and read - fully documented - straightly runs under many platforms (unixes, windows, solaris, etc.) - essential, it does only what it was designed for Latest version and information can be found at this URL: http://sra.itc.it/people/cavada/mvc/index.html Rob -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 328 Fax: +39 0461 302 040 _/ _/_/ [EMAIL PROTECTED] http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] ANN: mvc 0.2.1 released
A simple Model-View-Controller framework for pygtk2. Also, implements the Observer pattern. With respect to the previous version, this version provides: 1. Observable properties are simple python class' properties (via metaclasses) 2. Every class can be an Observer for a model 3. Up-to-date docs and a simple example The latest version can be found here: http://sra.itc.it/people/cavada/dload/mvc-0.2.1.tar.gz rob -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 328 Fax: +39 0461 302 040 _/ _/_/ cavada#irst.itc.it http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] [ANN] PyScintilla2 version 1.99.2 released
Hi all PyGTK list members, PyScintilla2-1.99.2 has been released. You can find second released version of PyScintilla2 at http://sra.itc.it/people/cavada/PyScintilla2.html. License is LGPL. Best regards, rob --- What's new? These (mandatory) methods were missing in first version 1.99.1: get_text, get_sel_text, get_line, get_cur_line What's that? Scintilla is a powerful, multi-platform, general purpose editing widget, developed by Neil Hodgson. Michele Campeotto realized a binding for pygtk-0.6.5, named PyGtkScintilla. Since there was not support for GTK2, I developed PyScintilla2 from scratch, by using GtkScintilla2. GtkScintilla2 is a Scintilla widget for GTK2, developed and maintained by Dennis J Houy [EMAIL PROTECTED]. -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 321 Fax: +39 0461 302 040 _/ _/_/ [EMAIL PROTECTED] http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] [ANN] PyScintilla2 version 1.99.1 released
Hi all PyGTK list members, PyScintilla2 is the Scintilla binding for pygtk-2.0. This is a beta, so if you find problems, or if you can provide useful feedback, please do not hesitate to contact me. You can find PyScintilla2 at http://sra.itc.it/people/cavada/PyScintilla2.html. License is LGPL. Best regards, rob --- What's that? Scintilla is a powerful, multi-platform, general purpose editing widget, developed by Neil Hodgson. Michele Campeotto realized a binding for pygtk-0.6.5, named PyGtkScintilla. Since there was not support for GTK2, I developed PyScintilla2 from scratch, by using GtkScintilla2. GtkScintilla2 is a Scintilla widget for GTK2, developed and maintained by Dennis J Houy [EMAIL PROTECTED]. -- _/_/_/ _/_/_/ Roberto Cavada _/ _/ _/ITC-irst http://www.irst.itc.it _/ _/ _/Automated Reasoning Systems - Formal Methods Group /_/_/ _/Via Sommarive, 18 - 38050 Povo (TN) - Italy _/ _/ Tel: +39 0461 314 321 Fax: +39 0461 302 040 _/ _/_/ [EMAIL PROTECTED] http://sra.itc.it/people/cavada ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] PyScintilla wrapper [WAS: Porting of wrapper from pygtk1 to pygtk2]
Roberto Cavada wrote: I am currently trying to port the python wrapper for a gtk widget (gtkscintilla2). I got it! As soon as I get the time to provide some missing code, as well as configuration/building stuff, I'll release PyScintilla-1.99.0. rob -- (What follows a report that might be useful in the future for other users. Also, contains suggestion about possible improvement of codegen). Generated code imports from gtk the widget base class, for Scintilla the gtk.Frame type: _PyGtkFrame_Type = (PyTypeObject *)PyDict_GetItemString(moddict, Frame); Where 'moddict' is of course the gtk module. Notice that this function does not raise an exception if the given key is not found in the dictionary. In this case returned value is simply NULL. * My claim here is that codegen should generate code to check the returned value, and if this is NULL, to raise an exception. * Returned value is used when registering the widget class, as base type: pygobject_register_class(d, GtkScintilla, GTK_TYPE_SCINTILLA, PyGtkScintilla_Type, Py_BuildValue((O), PyGtkFrame_Type)); Again, notice that Py_BuildValue assumes that if the given object is NULL, an error occurred before it is called, so the corresponding exception has been already handled. Python documentation states that in this case it returns NULL, without raising an exception. Moreover, if there are not previously set exceptions, it sets PyExc_SystemError. IN CONCLUSION: If - as happened in my case - someone specifies a wrong name for the base class type in the override file, the resulting (wrong) behaviour can be really hard to understand. To complete the report, this was the wrong line in the scintilla.override file: import gtk.GtkFrame as PyGtkFrame_Type The fixed version is obviously: import gtk.Frame as PyGtkFrame_Type rob -- -- Roberto Cavada ITC-irst Institute for Scientific and Technological Research Automated Reasoning Systems - Formal Methods Group Via Sommarive, 18 - 38050 Povo (TN) - Italy Tel: +39 0461 314 321 Fax: +39 0461 302 040 [EMAIL PROTECTED] http://sra.itc.it/people/cavada/ -- ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Porting of wrapper from pygtk1 to pygtk2
Hi all,
I am currently trying to port the python wrapper for a gtk widget
(gtkscintilla2).
*** SOME CONTEXT:
Original wrapper works with pygtk1 (say 'W1').
Since the gtk widget is now available for gtk2, I am trying to modify
W1 in order to make it working with pygtk2 (say 'W2').
I have to say I am not sure about the result, since I am not as much
familiar with pygtk c-side as I'd like, and in general with gtk. In
particular in W1 I found many references to functions PyGtk_{New, Get,
Type}, defined by pygtk.h.
In W2 pygtk.h does no longer export like that functions. Instead,
pygobject.h exports similar functions, and I tried to guess the
matching as follows (don't know if this is correct):
#define PyGtk_New pygobject_new
#define PyGtk_Get pygobject_get
#define PyGtk_Type PyGPointer_Type
*** THE PROBLEM:
W2 initialization code simply calls init_pygtk().
After initialization, every time W2's code calls PyGtk_New
(=pygobject_new) a segfault occurs.
Don't know if I provided information enough, but can someone
understand what am I missing?
More in general, there exist documents or tutorials that explain how
to build pygtk wrappers for gtk widgets?
Thank you,
roberto
--
--
Roberto Cavada
ITC-irst Institute for Scientific and Technological Research
Automated Reasoning Systems - Formal Methods Group
Via Sommarive, 18 - 38050 Povo (TN) - Italy
Tel: +39 0461 314 321 Fax: +39 0461 302 040
[EMAIL PROTECTED] http://sra.itc.it/people/cavada/
--
___
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Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Cannot find get_state() in pygtk2
I need to retrieve sensitive state of a widget. FAQ states I can use the get_state() method, but unfortunately I could not find any trace about that method, in my pygtk installation. import gtk w = gtk.Window() w.get_state() Traceback (most recent call last): File stdin, line 1, in ? AttributeError: 'gtk.Window' object has no attribute 'get_state' Probably this is due to my configuration, pygtk is 1.99.14. About get_state(), code generator produces only the following warning during the building phase. This does not seem connected to the problem, though: Could not write method GdkEvent.get_state: No ArgType for GdkModifierType* Sorry to bother you all with that, but maybe you can figure out what happens here. rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Pythonian class instances inside a TreeModel
Hi, the GTK+ FAQ states that user-defined data can be stored inside a GtkTreeModel via a hidden column. How can I associate each row in the TreeModel with a user-defined python class instance? If I use an hidden column in the model, what's the type for that column? Thanks, rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] A Model-View-Controller implementation for pygtk2
Hi all, at http://sra.itc.it/people/cavada/dload/mvc.tar.bz2 can be found an implementation of the MVC pattern for pygtk2. I hope can be particularly useful when developing GTK based GUIs with pygtk and glade. For middle-size and large applications, the result is a more rational, structured domain separation. Also, reuse allows a more rapid prototyping of small and dummy applications. The key idea is (of course) to be able to separate the state of the application (the Model) and the representation for parts ot that state (the View). One or more glade files can be associated with a View, as well as widget hierarchies manually built by developers. In our implementation Model and View do not know each other. In the middle, one or more Controllers are located, which handle signals fired by Views, and notifications of state changes fired by Models. In that sense our implementation is different from classic MVC pattern, but we think it is better integrated with the GTK toolkit. This MVC implementation is an important basement for gNuSMV, the GUI for the Open Source Model Checker NuSMV we are developing. As you can guess (look at the version number 0.1.0! ) it is still an early version. The supplied archive contains the pattern implementation, an example of implementation, and a short document which describes the idea and the architecture. License is LGPL. In the immediate future we will extend it with: - Multithreading support for models. - A better observable properties support. We welcome feedback! rob -- Roberto Cavada ITC-irst Institute for Scientific and Technological Research Automated Reasoning Systems - Formal Methods Group Via Sommarive, 18 - 38050 Povo (TN) - Italy Tel: +39 0461 314 321 Fax: +39 0461 302 040 [EMAIL PROTECTED] http://sra.itc.it/people/cavada/ -- ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
Re: [pygtk] Frozen pygtk code
On Tuesday 03 December 2002 11:49, Christian Reis wrote: Has someone ever tried to freeze pygtk code Never did it. Do you mean for Win32, or using the freeze tools that come with Python source? Second one. We're developing a GUI application (http://nusmv.irst.itc.it/gnusmv), fully based on python and gtk, both for win32 and unixes. Since pygtk2, gtk2, glade, etc., are not installed (or easily installable) on most of current unix distributions, currently the installation phase could be really bother and complex for the user. We assume that distributing frozen code could simplify several dependencies... rob ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Frozen pygtk code
Has someone ever tried to freeze pygtk code, in order to produce a more easily distributable code? rob -- Roberto Cavada ITC-irst Institute for Scientific and Technological Research Automated Reasoning Systems - Formal Methods Group Via Sommarive, 18 - 38050 Povo (TN) - Italy Tel: +39 0461 314 321 Fax: +39 0461 302 040 [EMAIL PROTECTED] http://sra.itc.it/people/cavada/ -- ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
[pygtk] Problem using python2.2
Hi all, this scribble.py example (in pygtk-1.99.10/examples/simple dir) does not work if I invoke the python2.2.[01] interpreter (see error report below.) The same example can be loaded if the python interpreter is version 2.1, but it does not work anyway: only an empty window with a button in the bottom appears. GTK is 2.0.5 and pygtk is 1.99.10. In general 'GtkWindow' is a bad name for the python version 2.2. rob - %pwd [...]/pygtk-1.99.10/examples/simple %python2.2 scribble.py Traceback (most recent call last): File .//scribble.py, line 79, in ? main() File .//scribble.py, line 47, in main win = GtkWindow() NameError: global name 'GtkWindow' is not defined ___ pygtk mailing list [EMAIL PROTECTED] http://www.daa.com.au/mailman/listinfo/pygtk Read the PyGTK FAQ: http://www.async.com.br/faq/pygtk/
