def run_query(self, query):
res, last_model = query()
results = []
for obj_src, join_index, tree in res:
model = None
for obj, src in obj_src:
if obj is not None:
model = obj.__class__
if hasattr(model, '_deferred') and model._deferred:
model = model.__base__
break
if model is not None:
model_name = model_registry.get_name(model)
else:
model_name = None
d = {'model': model_name,
'join_index': join_index,
'objects': [(obj.pk, src) if obj is not None else (None, src) for obj, src in obj_src],
'tree': tree
}
results.append(d)
if last_model is not None:
last_model = model_registry.get_name(last_model)
return dict(last_model=last_model, results=results, computed_on=datetime.now())
def model_to_dict(cls):
model_name = model_registry.get_name(cls)
d = dict(model=model_name, relationships=[])
for f in dir(cls):
if model_registry.get_manager(model_name).is_rel_allowed(f):
d['relationships'].append(f)
return d
def object_to_dict(obj):
d = {}
for f in obj._meta.fields:
d[f.column] = getattr(obj, f.column)
if not type(
d[f.column]) in (long, int, float, bool, types.NoneType):
d[f.column] = unicode(d[f.column])
if type(f) == ForeignKey:
v = getattr(obj, f.name)
if v is not None:
model_name = model_registry.get_name(v.__class__)
d[f.column] = {
'model': model_name,
'id': v.pk,
'__str__': str(v)
}
try:
d[f.column]['url'] = model_registry.get_manager(
model_name).url_of(v)
except:
pass
if 'id' not in d:
pk = obj.pk
if not type(pk) in (long, int, float, bool, types.NoneType):
d['id'] = unicode(pk)
else:
d['id'] = pk
return d
def model_to_dict(cls):
model_name = model_registry.get_name(cls)
d = dict(model=model_name, relationships=[])
for f in dir(cls):
if model_registry.get_manager(model_name).is_rel_allowed(f):
d['relationships'].append(f)
return d
def object_to_dict(obj):
d = {}
for f in obj._meta.fields:
d[f.column] = getattr(obj, f.column)
if not type(d[f.column]) in (long, int, float, bool, types.NoneType):
d[f.column] = unicode(d[f.column])
if type(f) == ForeignKey:
v = getattr(obj, f.name)
if v is not None:
model_name = model_registry.get_name(v.__class__)
d[f.column] = {
'model': model_name,
'id': v.pk,
'__str__': str(v)
}
try:
d[f.column]['url'] = model_registry.get_manager(model_name).url_of(v)
except:
pass
if 'id' not in d:
pk = obj.pk
if not type(pk) in (long, int, float, bool, types.NoneType):
d['id'] = unicode(pk)
else:
d['id'] = pk
return d
def run_query(self, query):
res, last_model = query()
results = []
for obj_src, join_index, tree in res:
model = None
for obj, src in obj_src:
if obj is not None:
model = obj.__class__
if hasattr(model, '_deferred') and model._deferred:
model = model.__base__
break
if model is not None:
model_name = model_registry.get_name(model)
else:
model_name = None
d = {
'model':
model_name,
'join_index':
join_index,
'objects': [(obj.pk, src) if obj is not None else (None, src)
for obj, src in obj_src],
'tree':
tree
}
results.append(d)
if last_model is not None:
last_model = model_registry.get_name(last_model)
return dict(last_model=last_model,
results=results,
computed_on=datetime.now())
def objects_to_dict(objects, ignore_excludes=False, follow_fk=True):
if len(objects) == 0:
return dict(fields=[], objects=[])
fields = []
fk = []
is_model = True
add_pk = False
obj = objects[0]
model_name = model_registry.get_name(obj.__class__)
if ignore_excludes is True:
excludes = []
else:
excludes = model_registry.get_manager(model_name).field_excludes
if hasattr(obj, '_meta'):
for f in obj._meta.fields:
if f.column not in excludes:
fields.append(f.column)
fk.append(f.name if type(f) == ForeignKey else None)
if 'id' not in fields:
fields.append('pk')
fk.append(None)
add_pk = True
else:
is_model = False
for f in obj.fields():
fields.append(f)
fk.append(None)
packed = []
urls = []
for obj in objects:
obj_url = model_registry.get_manager(model_name).url_of(obj)
values = []
for column, fk_name in zip(fields, fk):
if is_model:
value = getattr(obj, column)
else:
value = obj.get(column)
if type(value) is Decimal:
value = float(value)
elif not type(value) in (long, int, float, bool,
types.NoneType):
value = unicode(value)
if fk_name is not None and follow_fk is True:
v = getattr(obj, fk_name)
if v is not None:
fk_model_name = model_registry.get_name(v.__class__)
fk_url = None
try:
fk_url = model_registry.get_manager(
fk_model_name).url_of(v)
except:
fk_url = None
value = (fk_model_name, v.pk, str(v), fk_url)
values.append(value)
urls.append(obj_url)
packed.append(values)
if add_pk is True:
assert fields[-1] == 'pk'
fields[-1] = 'id'
return dict(fields=fields, objects=packed, urls=urls)
def objects_to_dict(objects, ignore_excludes=False, follow_fk=True):
if len(objects) == 0:
return dict(fields=[], objects=[])
fields = []
fk = []
is_model = True
add_pk = False
obj = objects[0]
model_name = model_registry.get_name(obj.__class__)
if ignore_excludes is True:
excludes = []
else:
excludes = model_registry.get_manager(model_name).field_excludes
if hasattr(obj, '_meta'):
for f in obj._meta.fields:
if f.column not in excludes:
fields.append(f.column)
fk.append(f.name if type(f) == ForeignKey else None)
if 'id' not in fields:
fields.append('pk')
fk.append(None)
add_pk = True
else:
is_model = False
for f in obj.fields():
fields.append(f)
fk.append(None)
packed = []
urls = []
for obj in objects:
obj_url = model_registry.get_manager(model_name).url_of(obj)
values = []
for column, fk_name in zip(fields, fk):
if is_model:
value = getattr(obj, column)
else:
value = obj.get(column)
if type(value) is Decimal:
value = float(value)
elif not type(value) in (long, int, float, bool, types.NoneType):
value = unicode(value)
if fk_name is not None and follow_fk is True:
v = getattr(obj, fk_name)
if v is not None:
fk_model_name = model_registry.get_name(v.__class__)
fk_url = None
try:
fk_url = model_registry.get_manager(fk_model_name).url_of(v)
except:
fk_url = None
value = (fk_model_name, v.pk, str(v), fk_url)
values.append(value)
urls.append(obj_url)
packed.append(values)
if add_pk is True:
assert fields[-1] == 'pk'
fields[-1] = 'id'
return dict(fields=fields, objects=packed, urls=urls)
