bwaha wrote:
> I'd appreciate some experience from the gurus out there to help me
> understand how to implement MVC design in python code.
>
I'm neither a guru nor an expert, have never used wxpython, and am not
qualified to advise on MVC!! But until someone more qualified arrives
here's some code from a relative newbie.
It's maybe not of any use in itself, but hopefully it won't lead you
astray either.
Hope it helps.
Gerard
######## Model ########
class Study(object):
def __init__(self, name, file):
self.name = name
self.file = file
class Project(object):
def __init__(self, name):
self.name = name
self.studies = []
######## End Model ########
######## View ########
class TreeViewNode(object):
children = []
tag = "NODE"
class StudyNode(TreeViewNode):
def __init__(self, study):
self.tag = study.name
self.file = study.file
self.children = None
class ProjectNode(TreeViewNode):
def __init__(self, project):
self.tag = project.name
for study in project.studies:
self.children.append( StudyNode(study) )
class ProjectTreeView(TreeViewNode):
def __init__(self):
self.tag = "All Projects"
def add_node(self, node):
assert isinstance( node, ProjectNode )
self.children.append(node)
######## End View ########
data='''
BEGIN PROJECT "mpi6_0"
STUDY "Cyc0302_0" cyc0302_beanoz_x1.sdy
STUDY "Cyc0305_0" cyc0305_beanoz_x1.sdy
STUDY "Cyc0308_0" cyc0308_beanoz_x1.sdy
STUDY "Cyc0311_0" cyc0311_beanoz_x1.sdy
STUDY "Cyc0314_0" cyc0314_beanoz_x1.sdy
END PROJECT
BEGIN PROJECT "mpi6_1"
STUDY "Cyc0302_1" cyc0302_beanoz_x1.sdy
STUDY "Cyc0305_1" cyc0305_beanoz_x1.sdy
STUDY "Cyc0308_1" cyc0308_beanoz_x1.sdy
STUDY "Cyc0311_1" cyc0311_beanoz_x1.sdy
STUDY "Cyc0314_1" cyc0314_beanoz_x1.sdy
END PROJECT
'''
if __name__ == '__main__':
import StringIO
src = StringIO.StringIO(data)
projects = []
for line in src:
parts = line.split(' ')
begin = parts[0] == 'BEGIN'
studyline = parts[0] == 'STUDY'
end = parts[0] == 'END'
if begin == True:
project = Project( parts[2][1:-1] )
elif studyline == True:
project.studies.append( Study(parts[1][1:-1], parts[2]) )
elif end == True:
projects.append( project )
for proj in projects:
print 'PROJECT: ', proj.name
for study in proj.studies:
print '---- ', study.name
MyTreeView = ProjectTreeView()
for proj in projects:
MyTreeView.add_node( ProjectNode(proj) )
print MyTreeView
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