def build_classes(self):
"""
Build defined types classes and put them
into meta.models module.
"""
# NOTE: trying to import MetaType on the top of the file doesn't work
from meta.models import MetaType, BaseType
#mtypeObjects = MetaTypeModel.objects.all()
mtypeObjects = MetaType.objects.filter(syncready=True)
for metatype in mtypeObjects:
fields = metatype.field_set.all()
def mod_unicode(self):
string = ""
for f in self._meta.local_fields:
string += "%s " % getattr(self, f.name)
return string
# __module__ param is required by the django model meta class
dct = {
'__module__': 'meta.models',
'__unicode__': mod_unicode
}
for field in fields:
cls = Fields().get_class_by_name(field.ftype)
properties = Fields.get_properties_assoc(field)
if len(properties) == 0:
# TODO: Should never go here. We must always have needed params when build a field.
if issubclass(cls, Fields().get_class_by_name('CharField')):
obj = cls(max_length = 255)
elif issubclass(cls, Fields().get_class_by_name('DecimalField')):
obj = cls(max_digits = 20, decimal_places = 4)
else:
obj = cls()
else:
#print properties
obj = cls(**properties) # unpack properties
dct[field.name] = obj
if metatype.extend is None:
# define the new type
obj = type(str(metatype.name), (BaseType,), dct)
else:
cls = self.get_class(metatype.extend.name)
# TODO: cls could not exist here becouse it is not
# built still.
# TODO: check for valid class names. It seems that
# extending from objects with spaces into class name
# I have problems
obj = type(str(metatype.name), (cls,), dct)
if metatype.name_plural != "":
obj._meta.verbose_name_plural = metatype.name_plural
try:
# build a more confortable admin site here inspecting
# for fields and adding them to Admin list_display
lst =[]
i = 0
MAX_FIELDS = 5
father = metatype.extend
while father:
inherited_fields = father.field_set.all()
for field in inherited_fields:
lst.append(field.name)
i += 1
if i == MAX_FIELDS: break
father = father.extend
#all_fields += inherited_fields
if i < MAX_FIELDS:
for field in fields:
lst.append(field.name)
i += 1
if i == MAX_FIELDS: break
class ObjAdmin(admin.ModelAdmin):
list_display = lst
admin.site.register(obj, ObjAdmin)
except AlreadyRegistered:
pass
self.add_model(obj)
# create tables if not already exists
self.sync_models()
def build_classes(self):
"""
Build defined types classes and put them
into meta.models module.
Return True if at least a class was builded
"""
# NOTE: trying to import MetaType on the top of the file doesn't work
from meta.models import MetaType, BaseType, META_OBJECTS_LABEL
from meta.admin import BaseTypeAdmin
# is the function redurn value.
# will be true if at least an object will be builded
class_builded = False
#mtypeObjects = MetaTypeModel.objects.all()
mtypeObjects = MetaType.objects.filter(syncready=True)
for metatype in mtypeObjects:
# don't rebuild the model if is already registred
if metatype.name in self.__metaClasses.keys(): continue
class_builded = True
fields = metatype.field_set.all()
def mod_unicode(self):
cls_name = self._meta.object_name
mtype = MetaType.objects.get(name=cls_name)
tmp = mtype.field_set.filter(is_preview=True)
preview_fields_objects = []
# TODO: find a way to use DateTime and Date in previews
exclude_list = ["ManyToManyField", "FileField", "DateTimeField", "DateField"]
for f in tmp:
if not f.ftype in exclude_list:
preview_fields_objects.append(f)
preview_fields = [f.name for f in preview_fields_objects]
string = ""
string = " | ".join([getattr(self, f.name) for f.name in preview_fields])
return string
class ModMeta:
app_label = META_OBJECTS_LABEL
# __module__ param is required by the django model meta class
dct = {
'__module__': 'meta.models',
'__unicode__': mod_unicode,
'Meta': ModMeta
}
for field in fields:
cls = Fields.get_class_by_name(field.ftype)
properties = Fields.get_properties_assoc(field)
if len(properties) == 0:
# TODO: Should never go here. We must always have needed params when build a field.
if issubclass(cls, Fields.get_class_by_name('CharField')):
obj = cls(max_length = 255)
elif issubclass(cls, Fields.get_class_by_name('DecimalField')):
obj = cls(max_digits = 20, decimal_places = 4)
elif issubclass(cls, Fields.get_class_by_name('FileField')):
obj = cls(upload_to='uploads')
else:
obj = cls()
else:
#print properties
obj = cls(**properties) # unpack properties
# use str here to force conversion from unicode
dct[str(field.name)] = obj
if metatype.extend is None:
# define the new type
obj = type(str(metatype.name), (BaseType,), dct)
else:
cls = self.get_class(metatype.extend.name)
# TODO: cls could not exist here becouse it is not
# built still.
# TODO: check for valid class names. It seems that
# extending from objects with spaces into class name
# I have problems
obj = type(str(metatype.name), (cls,), dct)
if metatype.name_plural != "":
obj._meta.verbose_name_plural = metatype.name_plural
try:
# build a more confortable admin site here inspecting
# for fields and adding them to Admin list_display
lst =[]
i = 0
MAX_FIELDS = 5
father = metatype.extend
while father:
inherited_fields = father.field_set.all()
for field in inherited_fields:
lst.append(field.name)
i += 1
if i == MAX_FIELDS: break
father = father.extend
#all_fields += inherited_fields
if i < MAX_FIELDS:
for field in fields:
# ManyToManyFields are not supported by list_display in
# admin and TextFields are generally too large to
# fit preview
if (field.ftype != "ManyToManyField") and \
(field.ftype != "TextField"):
lst.append(field.name)
i += 1
if i == MAX_FIELDS: break
class ObjAdmin(BaseTypeAdmin):
list_display = lst + BaseTypeAdmin.list_display
admin.site.register(obj, ObjAdmin)
except AlreadyRegistered:
pass
# self.add_model(obj)
# create tables if not already exists
self.sync_models()
return class_builded
