dal_helpers Namespace Reference
Functions | |
| get_attribute_info (o) | |
| Dal helpers. | |
| get_relation_info (o) | |
| get_attribute_list (o) | |
| get_relation_list (o) | |
| get_superclass_list (o) | |
| get_subclass_list (o) | |
| compare_dal_obj (a, b) | |
| find_related (dal_obj, set dal_group) | |
| find_duplicates (Iterable collection) | |
Detailed Description
Function Documentation
◆ compare_dal_obj()
| dal_helpers.compare_dal_obj | ( | a, | |
| b ) |
Compare two dal objects by content
Definition at line 24 of file dal_helpers.py.
24def compare_dal_obj(a, b):
25 """Compare two dal objects by content"""
26
27 # TODO: add a check on a and b being dal objects
28 # There is no base class for dal objects in python, but dal objects have _shcema__objects.
29
30
31 if a.className() != b.className():
32 return False
33
34 attrs = get_attribute_list(a)
35 rels = get_relation_list(a)
36
37 a_attrs = {x:getattr(a, x) for x in attrs}
38 b_attrs = {x:getattr(b, x) for x in attrs}
39
40 a_rels = {x:getattr(a, x) for x in rels}
41 b_rels = {x:getattr(b, x) for x in rels}
42
43
44 return (a_attrs == b_attrs) and (a_rels == b_rels)
45
46
47#---------------
◆ find_duplicates()
| dal_helpers.find_duplicates | ( | Iterable | collection | ) |
Find duplicated dal objects in a collection by comparing objects attributes and relationships
Definition at line 74 of file dal_helpers.py.
74def find_duplicates( collection: Iterable ):
75 """
76 Find duplicated dal objects in a collection by comparing objects attributes and relationships
77 """
78
79 n_items = len(collection)
80 duplicates = set()
81 for i in range(n_items):
82 for j in range(i+1, n_items):
83 if compare_dal_obj(collection[i], collection[j]):
84 duplicates.add(collection[i])
85 duplicates.add(collection[j])
86
87 return duplicates
88
◆ find_related()
| dal_helpers.find_related | ( | dal_obj, | |
| set | dal_group ) |
Definition at line 48 of file dal_helpers.py.
48def find_related(dal_obj, dal_group: set):
49
50
51 rels = get_relation_list(dal_obj)
52
53 rel_objs = set()
54 for rel in rels:
55 rel_val = getattr(dal_obj, rel)
56
57 if rel_val is None:
58 continue
59
60 rel_objs.update(rel_val if isinstance(rel_val,list) else [rel_val])
61
62 # Isolate relationship objects that are not in the dal_group yet
63 new_rel_objs = rel_objs - dal_group
64
65 # Safely add the new object to the group
66 dal_group.update(rel_objs)
67 for o in new_rel_objs:
68 if o is None:
69 continue
70
71 find_related(o, dal_group)
72
◆ get_attribute_info()
| dal_helpers.get_attribute_info | ( | o | ) |
Dal helpers.
Definition at line 6 of file dal_helpers.py.
6def get_attribute_info(o):
7 return o.__schema__['attribute']
8
◆ get_attribute_list()
| dal_helpers.get_attribute_list | ( | o | ) |
Definition at line 12 of file dal_helpers.py.
12def get_attribute_list(o):
13 return list(get_attribute_info(o))
14
◆ get_relation_info()
| dal_helpers.get_relation_info | ( | o | ) |
Definition at line 9 of file dal_helpers.py.
9def get_relation_info(o):
10 return o.__schema__['relation']
11
◆ get_relation_list()
| dal_helpers.get_relation_list | ( | o | ) |
Definition at line 15 of file dal_helpers.py.
15def get_relation_list(o):
16 return list(get_relation_info(o))
17
◆ get_subclass_list()
| dal_helpers.get_subclass_list | ( | o | ) |
Definition at line 21 of file dal_helpers.py.
21def get_subclass_list(o):
22 return o.__schema__['subclass']
23
◆ get_superclass_list()
| dal_helpers.get_superclass_list | ( | o | ) |
Definition at line 18 of file dal_helpers.py.
18def get_superclass_list(o):
19 return o.__schema__['superclass']
20
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