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More work on #1523 (natural ordering for interfaces)

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This commit is contained in:
Jeremy Stretch
2017-09-22 16:18:43 -04:00
parent d7b0ba57e0
commit a010f7439d
2 changed files with 29 additions and 21 deletions
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42
netbox/dcim/models.py
View File

@ -661,28 +661,32 @@ class InterfaceQuerySet(models.QuerySet):
"""
sql_col = '{}.name'.format(self.model._meta.db_table)
ordering = {
IFACE_ORDERING_POSITION: ('_slot', '_subslot', '_position', '_subposition', '_channel', '_vc', '_type', 'name'),
IFACE_ORDERING_NAME: ('_type', '_slot', '_subslot', '_position', '_subposition', '_channel', '_vc', 'name'),
IFACE_ORDERING_POSITION: (
'_slot', '_subslot', '_position', '_subposition', '_channel', '_vc', '_type', '_id', 'name',
),
IFACE_ORDERING_NAME: (
'_type', '_slot', '_subslot', '_position', '_subposition', '_channel', '_vc', '_id', 'name',
),
}[method]
TYPE_RE = r"SUBSTRING({} FROM '^([^0-9]+)')"
ID_RE = r"CAST(SUBSTRING({} FROM '^(?:[^0-9]+)([0-9]+)$') AS integer)"
SLOT_RE = r"CAST(SUBSTRING({} FROM '^(?:[^0-9]+)([0-9]+)\/') AS integer)"
SUBSLOT_RE = r"CAST(SUBSTRING({} FROM '^(?:[^0-9]+)(?:[0-9]+\/)([0-9]+)') AS integer)"
POSITION_RE = r"CAST(SUBSTRING({} FROM '^(?:[^0-9]+)(?:[0-9]+\/){{2}}([0-9]+)') AS integer)"
SUBPOSITION_RE = r"CAST(SUBSTRING({} FROM '^(?:[^0-9]+)(?:[0-9]+\/){{3}}([0-9]+)') AS integer)"
CHANNEL_RE = r"COALESCE(CAST(SUBSTRING({} FROM ':([0-9]+)(\.[0-9]+)?$') AS integer), 0)"
VC_RE = r"COALESCE(CAST(SUBSTRING({} FROM '\.([0-9]+)$') AS integer), 0)"
fields = {
'_type': RawSQL(r"SUBSTRING({} FROM '^([^0-9]+)')".format(sql_col), []),
'_slot': RawSQL(r"CAST(SUBSTRING({} FROM '^(?:[^0-9]+)([0-9]+)') AS integer)".format(sql_col), []),
'_subslot': RawSQL(
r"COALESCE(CAST(SUBSTRING({} FROM '^(?:[^0-9]+)(?:[0-9]+)\/([0-9]+)') AS integer), 0)".format(
sql_col), []
),
'_position': RawSQL(
r"COALESCE(CAST(SUBSTRING({} FROM '^(?:[^0-9]+)(?:[0-9]+\/){{2}}([0-9]+)') AS integer), 0)".format(
sql_col), []
),
'_subposition': RawSQL(
r"COALESCE(CAST(SUBSTRING({} FROM '^(?:[^0-9]+)(?:[0-9]+\/){{3}}([0-9]+)') AS integer), 0)".format(
sql_col), []
),
'_channel': RawSQL(
r"COALESCE(CAST(SUBSTRING({} FROM ':([0-9]+)(\.[0-9]+)?$') AS integer), 0)".format(sql_col), []),
'_vc': RawSQL(r"COALESCE(CAST(SUBSTRING({} FROM '\.([0-9]+)$') AS integer), 0)".format(sql_col), []),
'_type': RawSQL(TYPE_RE.format(sql_col), []),
'_id': RawSQL(ID_RE.format(sql_col), []),
'_slot': RawSQL(SLOT_RE.format(sql_col), []),
'_subslot': RawSQL(SUBSLOT_RE.format(sql_col), []),
'_position': RawSQL(POSITION_RE.format(sql_col), []),
'_subposition': RawSQL(SUBPOSITION_RE.format(sql_col), []),
'_channel': RawSQL(CHANNEL_RE.format(sql_col), []),
'_vc': RawSQL(VC_RE.format(sql_col), []),
}
return self.annotate(**fields).order_by(*ordering)

8
netbox/dcim/tests/test_models.py
View File

@ -159,10 +159,14 @@ class InterfaceTestCase(TestCase):
device=device1,
name='Ethernet1/3/2/1'
)
interface6 = Interface.objects.create(
device=device1,
name='Loopback1'
)
self.assertEqual(
list(Interface.objects.all().order_naturally()),
[interface1, interface5, interface4, interface3, interface2]
[interface1, interface5, interface4, interface3, interface2, interface6]
)
def test_interface_order_natural_subinterfaces(self):
@ -201,5 +205,5 @@ class InterfaceTestCase(TestCase):
)
self.assertEqual(
list(Interface.objects.all().order_naturally()),
[interface6, interface4, interface3, interface5, interface2, interface1]
[interface4, interface3, interface5, interface2, interface1, interface6]
)